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xfs: Changes for 4.6-rc1 

Change summary:
 o error propagation for direct IO failures fixes for both XFS and ext4
 o new quota interfaces and XFS implementation for iterating all the quota IDs
   in the filesystem
 o locking fixes for real-time device extent allocation
 o reduction of duplicate information in the xfs and vfs inode, saving roughly
   100 bytes of memory per cached inode.
 o buffer flag cleanup
 o rework of the writepage code to use the generic write clustering mechanisms
 o several fixes for inode flag based DAX enablement
 o rework of remount option parsing
 o compile time verification of on-disk format structure sizes
 o delayed allocation reservation overrun fixes
 o lots of little error handling fixes
 o small memory leak fixes
 o enable xfsaild freezing again
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Merge tag 'xfs-for-linus-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs

Pull xfs updates from Dave Chinner:
 "There's quite a lot in this request, and there's some cross-over with
  ext4, dax and quota code due to the nature of the changes being made.

  As for the rest of the XFS changes, there are lots of little things
  all over the place, which add up to a lot of changes in the end.

  The major changes are that we've reduced the size of the struct
  xfs_inode by ~100 bytes (gives an inode cache footprint reduction of
  >10%), the writepage code now only does a single set of mapping tree
  lockups so uses less CPU, delayed allocation reservations won't
  overrun under random write loads anymore, and we added compile time
  verification for on-disk structure sizes so we find out when a commit
  or platform/compiler change breaks the on disk structure as early as
  possible.

  Change summary:

   - error propagation for direct IO failures fixes for both XFS and
     ext4
   - new quota interfaces and XFS implementation for iterating all the
     quota IDs in the filesystem
   - locking fixes for real-time device extent allocation
   - reduction of duplicate information in the xfs and vfs inode, saving
     roughly 100 bytes of memory per cached inode.
   - buffer flag cleanup
   - rework of the writepage code to use the generic write clustering
     mechanisms
   - several fixes for inode flag based DAX enablement
   - rework of remount option parsing
   - compile time verification of on-disk format structure sizes
   - delayed allocation reservation overrun fixes
   - lots of little error handling fixes
   - small memory leak fixes
   - enable xfsaild freezing again"

* tag 'xfs-for-linus-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs: (66 commits)
  xfs: always set rvalp in xfs_dir2_node_trim_free
  xfs: ensure committed is initialized in xfs_trans_roll
  xfs: borrow indirect blocks from freed extent when available
  xfs: refactor delalloc indlen reservation split into helper
  xfs: update freeblocks counter after extent deletion
  xfs: debug mode forced buffered write failure
  xfs: remove impossible condition
  xfs: check sizes of XFS on-disk structures at compile time
  xfs: ioends require logically contiguous file offsets
  xfs: use named array initializers for log item dumping
  xfs: fix computation of inode btree maxlevels
  xfs: reinitialise per-AG structures if geometry changes during recovery
  xfs: remove xfs_trans_get_block_res
  xfs: fix up inode32/64 (re)mount handling
  xfs: fix format specifier , should be %llx and not %llu
  xfs: sanitize remount options
  xfs: convert mount option parsing to tokens
  xfs: fix two memory leaks in xfs_attr_list.c error paths
  xfs: XFS_DIFLAG2_DAX limited by PAGE_SIZE
  xfs: dynamically switch modes when XFS_DIFLAG2_DAX is set/cleared
  ...
This commit is contained in:
Linus Torvalds 2016-03-21 11:53:05 -07:00
parent d407574e79 2cdb958aba
commit 53d2e6976b
70 changed files with 2203 additions and 1598 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
fs/dax.c
View File

@ -286,8 +286,13 @@ ssize_t dax_do_io(struct kiocb *iocb, struct inode *inode,
if ((flags & DIO_LOCKING) && iov_iter_rw(iter) == READ)
inode_unlock(inode);
if ((retval > 0) && end_io)
end_io(iocb, pos, retval, bh.b_private);
if (end_io) {
int err;
err = end_io(iocb, pos, retval, bh.b_private);
if (err)
retval = err;
}
if (!(flags & DIO_SKIP_DIO_COUNT))
inode_dio_end(inode);

9
fs/direct-io.c
View File

@ -253,8 +253,13 @@ static ssize_t dio_complete(struct dio *dio, loff_t offset, ssize_t ret,
if (ret == 0)
ret = transferred;
if (dio->end_io && dio->result)
dio->end_io(dio->iocb, offset, transferred, dio->private);
if (dio->end_io) {
int err;
err = dio->end_io(dio->iocb, offset, ret, dio->private);
if (err)
ret = err;
}
if (!(dio->flags & DIO_SKIP_DIO_COUNT))
inode_dio_end(dio->inode);

30
fs/ext4/ext4.h
View File

@ -1511,15 +1511,6 @@ static inline int ext4_valid_inum(struct super_block *sb, unsigned long ino)
ino <= le32_to_cpu(EXT4_SB(sb)->s_es->s_inodes_count));
}
static inline void ext4_set_io_unwritten_flag(struct inode *inode,
struct ext4_io_end *io_end)
{
if (!(io_end->flag & EXT4_IO_END_UNWRITTEN)) {
io_end->flag |= EXT4_IO_END_UNWRITTEN;
atomic_inc(&EXT4_I(inode)->i_unwritten);
}
}
/*
* Inode dynamic state flags
*/
@ -3293,6 +3284,27 @@ extern wait_queue_head_t ext4__ioend_wq[EXT4_WQ_HASH_SZ];
extern int ext4_resize_begin(struct super_block *sb);
extern void ext4_resize_end(struct super_block *sb);
static inline void ext4_set_io_unwritten_flag(struct inode *inode,
struct ext4_io_end *io_end)
{
if (!(io_end->flag & EXT4_IO_END_UNWRITTEN)) {
io_end->flag |= EXT4_IO_END_UNWRITTEN;
atomic_inc(&EXT4_I(inode)->i_unwritten);
}
}
static inline void ext4_clear_io_unwritten_flag(ext4_io_end_t *io_end)
{
struct inode *inode = io_end->inode;
if (io_end->flag & EXT4_IO_END_UNWRITTEN) {
io_end->flag &= ~EXT4_IO_END_UNWRITTEN;
/* Wake up anyone waiting on unwritten extent conversion */
if (atomic_dec_and_test(&EXT4_I(inode)->i_unwritten))
wake_up_all(ext4_ioend_wq(inode));
}
}
#endif /* __KERNEL__ */
#define EFSBADCRC EBADMSG /* Bad CRC detected */

14
fs/ext4/inode.c
View File

@ -3289,22 +3289,32 @@ out:
}
#endif
static void ext4_end_io_dio(struct kiocb *iocb, loff_t offset,
static int ext4_end_io_dio(struct kiocb *iocb, loff_t offset,
ssize_t size, void *private)
{
ext4_io_end_t *io_end = private;
/* if not async direct IO just return */
if (!io_end)
return;
return 0;
ext_debug("ext4_end_io_dio(): io_end 0x%p "
"for inode %lu, iocb 0x%p, offset %llu, size %zd\n",
io_end, io_end->inode->i_ino, iocb, offset, size);
/*
* Error during AIO DIO. We cannot convert unwritten extents as the
* data was not written. Just clear the unwritten flag and drop io_end.
*/
if (size <= 0) {
ext4_clear_io_unwritten_flag(io_end);
size = 0;
}
io_end->offset = offset;
io_end->size = size;
ext4_put_io_end(io_end);
return 0;
}
/*

10
fs/ext4/page-io.c
View File

@ -136,16 +136,6 @@ static void ext4_release_io_end(ext4_io_end_t *io_end)
kmem_cache_free(io_end_cachep, io_end);
}
static void ext4_clear_io_unwritten_flag(ext4_io_end_t *io_end)
{
struct inode *inode = io_end->inode;
io_end->flag &= ~EXT4_IO_END_UNWRITTEN;
/* Wake up anyone waiting on unwritten extent conversion */
if (atomic_dec_and_test(&EXT4_I(inode)->i_unwritten))
wake_up_all(ext4_ioend_wq(inode));
}
/*
* Check a range of space and convert unwritten extents to written. Note that
* we are protected from truncate touching same part of extent tree by the

7
fs/ocfs2/aops.c
View File

@ -620,7 +620,7 @@ bail:
* particularly interested in the aio/dio case. We use the rw_lock DLM lock
* to protect io on one node from truncation on another.
*/
static void ocfs2_dio_end_io(struct kiocb *iocb,
static int ocfs2_dio_end_io(struct kiocb *iocb,
loff_t offset,
ssize_t bytes,
void *private)
@ -628,6 +628,9 @@ static void ocfs2_dio_end_io(struct kiocb *iocb,
struct inode *inode = file_inode(iocb->ki_filp);
int level;
if (bytes <= 0)
return 0;
/* this io's submitter should not have unlocked this before we could */
BUG_ON(!ocfs2_iocb_is_rw_locked(iocb));
@ -644,6 +647,8 @@ static void ocfs2_dio_end_io(struct kiocb *iocb,
level = ocfs2_iocb_rw_locked_level(iocb);
ocfs2_rw_unlock(inode, level);
}
return 0;
}
static int ocfs2_releasepage(struct page *page, gfp_t wait)

66
fs/quota/quota.c
View File

@ -79,7 +79,7 @@ unsigned int qtype_enforce_flag(int type)
return 0;
}
static int quota_quotaon(struct super_block *sb, int type, int cmd, qid_t id,
static int quota_quotaon(struct super_block *sb, int type, qid_t id,
struct path *path)
{
if (!sb->s_qcop->quota_on && !sb->s_qcop->quota_enable)
@ -222,6 +222,34 @@ static int quota_getquota(struct super_block *sb, int type, qid_t id,
return 0;
}
/*
* Return quota for next active quota >= this id, if any exists,
* otherwise return -ESRCH via ->get_nextdqblk
*/
static int quota_getnextquota(struct super_block *sb, int type, qid_t id,
void __user *addr)
{
struct kqid qid;
struct qc_dqblk fdq;
struct if_nextdqblk idq;
int ret;
if (!sb->s_qcop->get_nextdqblk)
return -ENOSYS;
qid = make_kqid(current_user_ns(), type, id);
if (!qid_valid(qid))
return -EINVAL;
ret = sb->s_qcop->get_nextdqblk(sb, &qid, &fdq);
if (ret)
return ret;
/* struct if_nextdqblk is a superset of struct if_dqblk */
copy_to_if_dqblk((struct if_dqblk *)&idq, &fdq);
idq.dqb_id = from_kqid(current_user_ns(), qid);
if (copy_to_user(addr, &idq, sizeof(idq)))
return -EFAULT;
return 0;
}
static void copy_from_if_dqblk(struct qc_dqblk *dst, struct if_dqblk *src)
{
dst->d_spc_hardlimit = qbtos(src->dqb_bhardlimit);
@ -625,6 +653,34 @@ static int quota_getxquota(struct super_block *sb, int type, qid_t id,
return ret;
}
/*
* Return quota for next active quota >= this id, if any exists,
* otherwise return -ESRCH via ->get_nextdqblk.
*/
static int quota_getnextxquota(struct super_block *sb, int type, qid_t id,
void __user *addr)
{
struct fs_disk_quota fdq;
struct qc_dqblk qdq;
struct kqid qid;
qid_t id_out;
int ret;
if (!sb->s_qcop->get_nextdqblk)
return -ENOSYS;
qid = make_kqid(current_user_ns(), type, id);
if (!qid_valid(qid))
return -EINVAL;
ret = sb->s_qcop->get_nextdqblk(sb, &qid, &qdq);
if (ret)
return ret;
id_out = from_kqid(current_user_ns(), qid);
copy_to_xfs_dqblk(&fdq, &qdq, type, id_out);
if (copy_to_user(addr, &fdq, sizeof(fdq)))
return -EFAULT;
return ret;
}
static int quota_rmxquota(struct super_block *sb, void __user *addr)
{
__u32 flags;
@ -659,7 +715,7 @@ static int do_quotactl(struct super_block *sb, int type, int cmd, qid_t id,
switch (cmd) {
case Q_QUOTAON:
return quota_quotaon(sb, type, cmd, id, path);
return quota_quotaon(sb, type, id, path);
case Q_QUOTAOFF:
return quota_quotaoff(sb, type);
case Q_GETFMT:
@ -670,6 +726,8 @@ static int do_quotactl(struct super_block *sb, int type, int cmd, qid_t id,
return quota_setinfo(sb, type, addr);
case Q_GETQUOTA:
return quota_getquota(sb, type, id, addr);
case Q_GETNEXTQUOTA:
return quota_getnextquota(sb, type, id, addr);
case Q_SETQUOTA:
return quota_setquota(sb, type, id, addr);
case Q_SYNC:
@ -690,6 +748,8 @@ static int do_quotactl(struct super_block *sb, int type, int cmd, qid_t id,
return quota_setxquota(sb, type, id, addr);
case Q_XGETQUOTA:
return quota_getxquota(sb, type, id, addr);
case Q_XGETNEXTQUOTA:
return quota_getnextxquota(sb, type, id, addr);
case Q_XQUOTASYNC:
if (sb->s_flags & MS_RDONLY)
return -EROFS;
@ -708,10 +768,12 @@ static int quotactl_cmd_write(int cmd)
switch (cmd) {
case Q_GETFMT:
case Q_GETINFO:
case Q_GETNEXTQUOTA:
case Q_SYNC:
case Q_XGETQSTAT:
case Q_XGETQSTATV:
case Q_XGETQUOTA:
case Q_XGETNEXTQUOTA:
case Q_XQUOTASYNC:
return 0;
}

2
fs/xfs/libxfs/xfs_alloc_btree.c
View File

@ -118,8 +118,6 @@ xfs_allocbt_free_block(
xfs_extent_busy_insert(cur->bc_tp, be32_to_cpu(agf->agf_seqno), bno, 1,
XFS_EXTENT_BUSY_SKIP_DISCARD);
xfs_trans_agbtree_delta(cur->bc_tp, -1);
xfs_trans_binval(cur->bc_tp, bp);
return 0;
}

16
fs/xfs/libxfs/xfs_attr_sf.h
View File

@ -24,22 +24,6 @@
* Small attribute lists are packed as tightly as possible so as
* to fit into the literal area of the inode.
*/
/*
* Entries are packed toward the top as tight as possible.
*/
typedef struct xfs_attr_shortform {
struct xfs_attr_sf_hdr { /* constant-structure header block */
__be16 totsize; /* total bytes in shortform list */
__u8 count; /* count of active entries */
} hdr;
struct xfs_attr_sf_entry {
__uint8_t namelen; /* actual length of name (no NULL) */
__uint8_t valuelen; /* actual length of value (no NULL) */
__uint8_t flags; /* flags bits (see xfs_attr_leaf.h) */
__uint8_t nameval[1]; /* name & value bytes concatenated */
} list[1]; /* variable sized array */
} xfs_attr_shortform_t;
typedef struct xfs_attr_sf_hdr xfs_attr_sf_hdr_t;
typedef struct xfs_attr_sf_entry xfs_attr_sf_entry_t;

174
fs/xfs/libxfs/xfs_bmap.c
View File

@ -477,10 +477,7 @@ xfs_bmap_check_leaf_extents(
}
block = XFS_BUF_TO_BLOCK(bp);
}
if (bp_release) {
bp_release = 0;
xfs_trans_brelse(NULL, bp);
}
return;
error0:
@ -912,7 +909,7 @@ xfs_bmap_local_to_extents(
* We don't want to deal with the case of keeping inode data inline yet.
* So sending the data fork of a regular inode is invalid.
*/
ASSERT(!(S_ISREG(ip->i_d.di_mode) && whichfork == XFS_DATA_FORK));
ASSERT(!(S_ISREG(VFS_I(ip)->i_mode) && whichfork == XFS_DATA_FORK));
ifp = XFS_IFORK_PTR(ip, whichfork);
ASSERT(XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_LOCAL);
@ -1079,7 +1076,7 @@ xfs_bmap_add_attrfork_local(
if (ip->i_df.if_bytes <= XFS_IFORK_DSIZE(ip))
return 0;
if (S_ISDIR(ip->i_d.di_mode)) {
if (S_ISDIR(VFS_I(ip)->i_mode)) {
memset(&dargs, 0, sizeof(dargs));
dargs.geo = ip->i_mount->m_dir_geo;
dargs.dp = ip;
@ -1091,7 +1088,7 @@ xfs_bmap_add_attrfork_local(
return xfs_dir2_sf_to_block(&dargs);
}
if (S_ISLNK(ip->i_d.di_mode))
if (S_ISLNK(VFS_I(ip)->i_mode))
return xfs_bmap_local_to_extents(tp, ip, firstblock, 1,
flags, XFS_DATA_FORK,
xfs_symlink_local_to_remote);
@ -4720,6 +4717,66 @@ error0:
return error;
}
/*
* When a delalloc extent is split (e.g., due to a hole punch), the original
* indlen reservation must be shared across the two new extents that are left
* behind.
*
* Given the original reservation and the worst case indlen for the two new
* extents (as calculated by xfs_bmap_worst_indlen()), split the original
* reservation fairly across the two new extents. If necessary, steal available
* blocks from a deleted extent to make up a reservation deficiency (e.g., if
* ores == 1). The number of stolen blocks is returned. The availability and
* subsequent accounting of stolen blocks is the responsibility of the caller.
*/
static xfs_filblks_t
xfs_bmap_split_indlen(
xfs_filblks_t ores, /* original res. */
xfs_filblks_t *indlen1, /* ext1 worst indlen */
xfs_filblks_t *indlen2, /* ext2 worst indlen */
xfs_filblks_t avail) /* stealable blocks */
{
xfs_filblks_t len1 = *indlen1;
xfs_filblks_t len2 = *indlen2;
xfs_filblks_t nres = len1 + len2; /* new total res. */
xfs_filblks_t stolen = 0;
/*
* Steal as many blocks as we can to try and satisfy the worst case
* indlen for both new extents.
*/
while (nres > ores && avail) {
nres--;
avail--;
stolen++;
}
/*
* The only blocks available are those reserved for the original
* extent and what we can steal from the extent being removed.
* If this still isn't enough to satisfy the combined
* requirements for the two new extents, skim blocks off of each
* of the new reservations until they match what is available.
*/
while (nres > ores) {
if (len1) {
len1--;
nres--;
}
if (nres == ores)
break;
if (len2) {
len2--;
nres--;
}
}
*indlen1 = len1;
*indlen2 = len2;
return stolen;
}
/*
* Called by xfs_bmapi to update file extent records and the btree
* after removing space (or undoing a delayed allocation).
@ -4984,28 +5041,29 @@ xfs_bmap_del_extent(
XFS_IFORK_NEXT_SET(ip, whichfork,
XFS_IFORK_NEXTENTS(ip, whichfork) + 1);
} else {
xfs_filblks_t stolen;
ASSERT(whichfork == XFS_DATA_FORK);
temp = xfs_bmap_worst_indlen(ip, temp);
/*
* Distribute the original indlen reservation across the
* two new extents. Steal blocks from the deleted extent
* if necessary. Stealing blocks simply fudges the
* fdblocks accounting in xfs_bunmapi().
*/
temp = xfs_bmap_worst_indlen(ip, got.br_blockcount);
temp2 = xfs_bmap_worst_indlen(ip, new.br_blockcount);
stolen = xfs_bmap_split_indlen(da_old, &temp, &temp2,
del->br_blockcount);
da_new = temp + temp2 - stolen;
del->br_blockcount -= stolen;
/*
* Set the reservation for each extent. Warn if either
* is zero as this can lead to delalloc problems.
*/
WARN_ON_ONCE(!temp || !temp2);
xfs_bmbt_set_startblock(ep, nullstartblock((int)temp));
temp2 = xfs_bmap_worst_indlen(ip, temp2);
new.br_startblock = nullstartblock((int)temp2);
da_new = temp + temp2;
while (da_new > da_old) {
if (temp) {
temp--;
da_new--;
xfs_bmbt_set_startblock(ep,
nullstartblock((int)temp));
}
if (da_new == da_old)
break;
if (temp2) {
temp2--;
da_new--;
new.br_startblock =
nullstartblock((int)temp2);
}
}
}
trace_xfs_bmap_post_update(ip, *idx, state, _THIS_IP_);
xfs_iext_insert(ip, *idx + 1, 1, &new, state);
@ -5210,7 +5268,7 @@ xfs_bunmapi(
* This is better than zeroing it.
*/
ASSERT(del.br_state == XFS_EXT_NORM);
ASSERT(xfs_trans_get_block_res(tp) > 0);
ASSERT(tp->t_blk_res > 0);
/*
* If this spans a realtime extent boundary,
* chop it back to the start of the one we end at.
@ -5241,7 +5299,7 @@ xfs_bunmapi(
del.br_startblock += mod;
} else if ((del.br_startoff == start &&
(del.br_state == XFS_EXT_UNWRITTEN ||
xfs_trans_get_block_res(tp) == 0)) ||
tp->t_blk_res == 0)) ||
!xfs_sb_version_hasextflgbit(&mp->m_sb)) {
/*
* Can't make it unwritten. There isn't
@ -5296,31 +5354,7 @@ xfs_bunmapi(
goto nodelete;
}
}
if (wasdel) {
ASSERT(startblockval(del.br_startblock) > 0);
/* Update realtime/data freespace, unreserve quota */
if (isrt) {
xfs_filblks_t rtexts;
rtexts = XFS_FSB_TO_B(mp, del.br_blockcount);
do_div(rtexts, mp->m_sb.sb_rextsize);
xfs_mod_frextents(mp, (int64_t)rtexts);
(void)xfs_trans_reserve_quota_nblks(NULL,
ip, -((long)del.br_blockcount), 0,
XFS_QMOPT_RES_RTBLKS);
} else {
xfs_mod_fdblocks(mp, (int64_t)del.br_blockcount,
false);
(void)xfs_trans_reserve_quota_nblks(NULL,
ip, -((long)del.br_blockcount), 0,
XFS_QMOPT_RES_REGBLKS);
}
ip->i_delayed_blks -= del.br_blockcount;
if (cur)
cur->bc_private.b.flags |=
XFS_BTCUR_BPRV_WASDEL;
} else if (cur)
cur->bc_private.b.flags &= ~XFS_BTCUR_BPRV_WASDEL;
/*
* If it's the case where the directory code is running
* with no block reservation, and the deleted block is in
@ -5332,7 +5366,7 @@ xfs_bunmapi(
* conversion to btree format, since the transaction
* will be dirty.
*/
if (!wasdel && xfs_trans_get_block_res(tp) == 0 &&
if (!wasdel && tp->t_blk_res == 0 &&
XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_EXTENTS &&
XFS_IFORK_NEXTENTS(ip, whichfork) >= /* Note the >= */
XFS_IFORK_MAXEXT(ip, whichfork) &&
@ -5342,11 +5376,45 @@ xfs_bunmapi(
error = -ENOSPC;
goto error0;
}
/*
* Unreserve quota and update realtime free space, if
* appropriate. If delayed allocation, update the inode delalloc
* counter now and wait to update the sb counters as
* xfs_bmap_del_extent() might need to borrow some blocks.
*/
if (wasdel) {
ASSERT(startblockval(del.br_startblock) > 0);
if (isrt) {
xfs_filblks_t rtexts;
rtexts = XFS_FSB_TO_B(mp, del.br_blockcount);
do_div(rtexts, mp->m_sb.sb_rextsize);
xfs_mod_frextents(mp, (int64_t)rtexts);
(void)xfs_trans_reserve_quota_nblks(NULL,
ip, -((long)del.br_blockcount), 0,
XFS_QMOPT_RES_RTBLKS);
} else {
(void)xfs_trans_reserve_quota_nblks(NULL,
ip, -((long)del.br_blockcount), 0,
XFS_QMOPT_RES_REGBLKS);
}
ip->i_delayed_blks -= del.br_blockcount;
if (cur)
cur->bc_private.b.flags |=
XFS_BTCUR_BPRV_WASDEL;
} else if (cur)
cur->bc_private.b.flags &= ~XFS_BTCUR_BPRV_WASDEL;
error = xfs_bmap_del_extent(ip, tp, &lastx, flist, cur, &del,
&tmp_logflags, whichfork);
logflags |= tmp_logflags;
if (error)
goto error0;
if (!isrt && wasdel)
xfs_mod_fdblocks(mp, (int64_t)del.br_blockcount, false);
bno = del.br_startoff - 1;
nodelete:
/*

5
fs/xfs/libxfs/xfs_bmap_btree.c
View File

@ -461,7 +461,7 @@ xfs_bmbt_alloc_block(
* reservation amount is insufficient then we may fail a
* block allocation here and corrupt the filesystem.
*/
args.minleft = xfs_trans_get_block_res(args.tp);
args.minleft = args.tp->t_blk_res;
} else if (cur->bc_private.b.flist->xbf_low) {
args.type = XFS_ALLOCTYPE_START_BNO;
} else {
@ -470,7 +470,7 @@ xfs_bmbt_alloc_block(
args.minlen = args.maxlen = args.prod = 1;
args.wasdel = cur->bc_private.b.flags & XFS_BTCUR_BPRV_WASDEL;
if (!args.wasdel && xfs_trans_get_block_res(args.tp) == 0) {
if (!args.wasdel && args.tp->t_blk_res == 0) {
error = -ENOSPC;
goto error0;
}
@ -531,7 +531,6 @@ xfs_bmbt_free_block(
xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
xfs_trans_mod_dquot_byino(tp, ip, XFS_TRANS_DQ_BCOUNT, -1L);
xfs_trans_binval(tp, bp);
return 0;
}

32
fs/xfs/libxfs/xfs_btree.c
View File

@ -294,6 +294,21 @@ xfs_btree_sblock_verify_crc(
return true;
}
static int
xfs_btree_free_block(
struct xfs_btree_cur *cur,
struct xfs_buf *bp)
{
int error;
error = cur->bc_ops->free_block(cur, bp);
if (!error) {
xfs_trans_binval(cur->bc_tp, bp);
XFS_BTREE_STATS_INC(cur, free);
}
return error;
}
/*
* Delete the btree cursor.
*/
@ -3209,6 +3224,7 @@ xfs_btree_kill_iroot(
int level;
int index;
int numrecs;
int error;
#ifdef DEBUG
union xfs_btree_ptr ptr;
int i;
@ -3272,8 +3288,6 @@ xfs_btree_kill_iroot(
cpp = xfs_btree_ptr_addr(cur, 1, cblock);
#ifdef DEBUG
for (i = 0; i < numrecs; i++) {
int error;
error = xfs_btree_check_ptr(cur, cpp, i, level - 1);
if (error) {
XFS_BTREE_TRACE_CURSOR(cur, XBT_ERROR);
@ -3283,8 +3297,11 @@ xfs_btree_kill_iroot(
#endif
xfs_btree_copy_ptrs(cur, pp, cpp, numrecs);
cur->bc_ops->free_block(cur, cbp);
XFS_BTREE_STATS_INC(cur, free);
error = xfs_btree_free_block(cur, cbp);
if (error) {
XFS_BTREE_TRACE_CURSOR(cur, XBT_ERROR);
return error;
}
cur->bc_bufs[level - 1] = NULL;
be16_add_cpu(&block->bb_level, -1);
@ -3317,14 +3334,12 @@ xfs_btree_kill_root(
*/
cur->bc_ops->set_root(cur, newroot, -1);
error = cur->bc_ops->free_block(cur, bp);
error = xfs_btree_free_block(cur, bp);
if (error) {
XFS_BTREE_TRACE_CURSOR(cur, XBT_ERROR);
return error;
}
XFS_BTREE_STATS_INC(cur, free);
cur->bc_bufs[level] = NULL;
cur->bc_ra[level] = 0;
cur->bc_nlevels--;
@ -3830,10 +3845,9 @@ xfs_btree_delrec(
}
/* Free the deleted block. */
error = cur->bc_ops->free_block(cur, rbp);
error = xfs_btree_free_block(cur, rbp);
if (error)
goto error0;
XFS_BTREE_STATS_INC(cur, free);
/*
* If we joined with the left neighbor, set the buffer in the

16
fs/xfs/libxfs/xfs_da_format.h
View File

@ -641,6 +641,22 @@ xfs_dir2_block_leaf_p(struct xfs_dir2_block_tail *btp)
*/
#define XFS_ATTR_LEAF_MAPSIZE 3 /* how many freespace slots */
/*
* Entries are packed toward the top as tight as possible.
*/
typedef struct xfs_attr_shortform {
struct xfs_attr_sf_hdr { /* constant-structure header block */
__be16 totsize; /* total bytes in shortform list */
__u8 count; /* count of active entries */
} hdr;
struct xfs_attr_sf_entry {
__uint8_t namelen; /* actual length of name (no NULL) */
__uint8_t valuelen; /* actual length of value (no NULL) */
__uint8_t flags; /* flags bits (see xfs_attr_leaf.h) */
__uint8_t nameval[1]; /* name & value bytes concatenated */
} list[1]; /* variable sized array */
} xfs_attr_shortform_t;
typedef struct xfs_attr_leaf_map { /* RLE map of free bytes */
__be16 base; /* base of free region */
__be16 size; /* length of free region */

12
fs/xfs/libxfs/xfs_dir2.c
View File

@ -176,7 +176,7 @@ xfs_dir_isempty(
{
xfs_dir2_sf_hdr_t *sfp;
ASSERT(S_ISDIR(dp->i_d.di_mode));
ASSERT(S_ISDIR(VFS_I(dp)->i_mode));
if (dp->i_d.di_size == 0) /* might happen during shutdown. */
return 1;
if (dp->i_d.di_size > XFS_IFORK_DSIZE(dp))
@ -231,7 +231,7 @@ xfs_dir_init(
struct xfs_da_args *args;
int error;
ASSERT(S_ISDIR(dp->i_d.di_mode));
ASSERT(S_ISDIR(VFS_I(dp)->i_mode));
error = xfs_dir_ino_validate(tp->t_mountp, pdp->i_ino);
if (error)
return error;
@ -266,7 +266,7 @@ xfs_dir_createname(
int rval;
int v; /* type-checking value */
ASSERT(S_ISDIR(dp->i_d.di_mode));
ASSERT(S_ISDIR(VFS_I(dp)->i_mode));
if (inum) {
rval = xfs_dir_ino_validate(tp->t_mountp, inum);
if (rval)
@ -364,7 +364,7 @@ xfs_dir_lookup(
int v; /* type-checking value */
int lock_mode;
ASSERT(S_ISDIR(dp->i_d.di_mode));
ASSERT(S_ISDIR(VFS_I(dp)->i_mode));
XFS_STATS_INC(dp->i_mount, xs_dir_lookup);
/*
@ -443,7 +443,7 @@ xfs_dir_removename(
int rval;
int v; /* type-checking value */
ASSERT(S_ISDIR(dp->i_d.di_mode));
ASSERT(S_ISDIR(VFS_I(dp)->i_mode));
XFS_STATS_INC(dp->i_mount, xs_dir_remove);
args = kmem_zalloc(sizeof(*args), KM_SLEEP | KM_NOFS);
@ -505,7 +505,7 @@ xfs_dir_replace(
int rval;
int v; /* type-checking value */
ASSERT(S_ISDIR(dp->i_d.di_mode));
ASSERT(S_ISDIR(VFS_I(dp)->i_mode));
rval = xfs_dir_ino_validate(tp->t_mountp, inum);
if (rval)

4
fs/xfs/libxfs/xfs_dir2_node.c
View File

@ -2235,6 +2235,9 @@ xfs_dir2_node_trim_free(
dp = args->dp;
tp = args->trans;
*rvalp = 0;
/*
* Read the freespace block.
*/
@ -2255,7 +2258,6 @@ xfs_dir2_node_trim_free(
*/
if (freehdr.nused > 0) {
xfs_trans_brelse(tp, bp);
*rvalp = 0;
return 0;
}
/*

4
fs/xfs/libxfs/xfs_ialloc.c
View File

@ -2403,8 +2403,8 @@ xfs_ialloc_compute_maxlevels(
maxleafents = (1LL << XFS_INO_AGINO_BITS(mp)) >>
XFS_INODES_PER_CHUNK_LOG;
minleafrecs = mp->m_alloc_mnr[0];
minnoderecs = mp->m_alloc_mnr[1];
minleafrecs = mp->m_inobt_mnr[0];
minnoderecs = mp->m_inobt_mnr[1];
maxblocks = (maxleafents + minleafrecs - 1) / minleafrecs;
for (level = 1; maxblocks > 1; level++)
maxblocks = (maxblocks + minnoderecs - 1) / minnoderecs;

12
fs/xfs/libxfs/xfs_ialloc_btree.c
View File

@ -125,16 +125,8 @@ xfs_inobt_free_block(
struct xfs_btree_cur *cur,
struct xfs_buf *bp)
{
xfs_fsblock_t fsbno;
int error;
fsbno = XFS_DADDR_TO_FSB(cur->bc_mp, XFS_BUF_ADDR(bp));
error = xfs_free_extent(cur->bc_tp, fsbno, 1);
if (error)
return error;
xfs_trans_binval(cur->bc_tp, bp);
return error;
return xfs_free_extent(cur->bc_tp,
XFS_DADDR_TO_FSB(cur->bc_mp, XFS_BUF_ADDR(bp)), 1);
}
STATIC int

170
fs/xfs/libxfs/xfs_inode_buf.c
View File

@ -195,28 +195,50 @@ xfs_imap_to_bp(
}
void
xfs_dinode_from_disk(
xfs_icdinode_t *to,
xfs_dinode_t *from)
xfs_inode_from_disk(
struct xfs_inode *ip,
struct xfs_dinode *from)
{
to->di_magic = be16_to_cpu(from->di_magic);
to->di_mode = be16_to_cpu(from->di_mode);
to->di_version = from ->di_version;
struct xfs_icdinode *to = &ip->i_d;
struct inode *inode = VFS_I(ip);
/*
* Convert v1 inodes immediately to v2 inode format as this is the
* minimum inode version format we support in the rest of the code.
*/
to->di_version = from->di_version;
if (to->di_version == 1) {
set_nlink(inode, be16_to_cpu(from->di_onlink));
to->di_projid_lo = 0;
to->di_projid_hi = 0;
to->di_version = 2;
} else {
set_nlink(inode, be32_to_cpu(from->di_nlink));
to->di_projid_lo = be16_to_cpu(from->di_projid_lo);
to->di_projid_hi = be16_to_cpu(from->di_projid_hi);
}
to->di_format = from->di_format;
to->di_onlink = be16_to_cpu(from->di_onlink);
to->di_uid = be32_to_cpu(from->di_uid);
to->di_gid = be32_to_cpu(from->di_gid);
to->di_nlink = be32_to_cpu(from->di_nlink);
to->di_projid_lo = be16_to_cpu(from->di_projid_lo);
to->di_projid_hi = be16_to_cpu(from->di_projid_hi);
memcpy(to->di_pad, from->di_pad, sizeof(to->di_pad));
to->di_flushiter = be16_to_cpu(from->di_flushiter);
to->di_atime.t_sec = be32_to_cpu(from->di_atime.t_sec);
to->di_atime.t_nsec = be32_to_cpu(from->di_atime.t_nsec);
to->di_mtime.t_sec = be32_to_cpu(from->di_mtime.t_sec);
to->di_mtime.t_nsec = be32_to_cpu(from->di_mtime.t_nsec);
to->di_ctime.t_sec = be32_to_cpu(from->di_ctime.t_sec);
to->di_ctime.t_nsec = be32_to_cpu(from->di_ctime.t_nsec);
/*
* Time is signed, so need to convert to signed 32 bit before
* storing in inode timestamp which may be 64 bit. Otherwise
* a time before epoch is converted to a time long after epoch
* on 64 bit systems.
*/
inode->i_atime.tv_sec = (int)be32_to_cpu(from->di_atime.t_sec);
inode->i_atime.tv_nsec = (int)be32_to_cpu(from->di_atime.t_nsec);
inode->i_mtime.tv_sec = (int)be32_to_cpu(from->di_mtime.t_sec);
inode->i_mtime.tv_nsec = (int)be32_to_cpu(from->di_mtime.t_nsec);
inode->i_ctime.tv_sec = (int)be32_to_cpu(from->di_ctime.t_sec);
inode->i_ctime.tv_nsec = (int)be32_to_cpu(from->di_ctime.t_nsec);
inode->i_generation = be32_to_cpu(from->di_gen);
inode->i_mode = be16_to_cpu(from->di_mode);
to->di_size = be64_to_cpu(from->di_size);
to->di_nblocks = be64_to_cpu(from->di_nblocks);
to->di_extsize = be32_to_cpu(from->di_extsize);
@ -227,42 +249,96 @@ xfs_dinode_from_disk(
to->di_dmevmask = be32_to_cpu(from->di_dmevmask);
to->di_dmstate = be16_to_cpu(from->di_dmstate);
to->di_flags = be16_to_cpu(from->di_flags);
to->di_gen = be32_to_cpu(from->di_gen);
if (to->di_version == 3) {
to->di_changecount = be64_to_cpu(from->di_changecount);
inode->i_version = be64_to_cpu(from->di_changecount);
to->di_crtime.t_sec = be32_to_cpu(from->di_crtime.t_sec);
to->di_crtime.t_nsec = be32_to_cpu(from->di_crtime.t_nsec);
to->di_flags2 = be64_to_cpu(from->di_flags2);
to->di_ino = be64_to_cpu(from->di_ino);
to->di_lsn = be64_to_cpu(from->di_lsn);
memcpy(to->di_pad2, from->di_pad2, sizeof(to->di_pad2));
uuid_copy(&to->di_uuid, &from->di_uuid);
}
}
void
xfs_dinode_to_disk(
xfs_dinode_t *to,
xfs_icdinode_t *from)
xfs_inode_to_disk(
struct xfs_inode *ip,
struct xfs_dinode *to,
xfs_lsn_t lsn)
{
struct xfs_icdinode *from = &ip->i_d;
struct inode *inode = VFS_I(ip);
to->di_magic = cpu_to_be16(XFS_DINODE_MAGIC);
to->di_onlink = 0;
to->di_version = from->di_version;
to->di_format = from->di_format;
to->di_uid = cpu_to_be32(from->di_uid);
to->di_gid = cpu_to_be32(from->di_gid);
to->di_projid_lo = cpu_to_be16(from->di_projid_lo);
to->di_projid_hi = cpu_to_be16(from->di_projid_hi);
memset(to->di_pad, 0, sizeof(to->di_pad));
to->di_atime.t_sec = cpu_to_be32(inode->i_atime.tv_sec);
to->di_atime.t_nsec = cpu_to_be32(inode->i_atime.tv_nsec);
to->di_mtime.t_sec = cpu_to_be32(inode->i_mtime.tv_sec);
to->di_mtime.t_nsec = cpu_to_be32(inode->i_mtime.tv_nsec);
to->di_ctime.t_sec = cpu_to_be32(inode->i_ctime.tv_sec);
to->di_ctime.t_nsec = cpu_to_be32(inode->i_ctime.tv_nsec);
to->di_nlink = cpu_to_be32(inode->i_nlink);
to->di_gen = cpu_to_be32(inode->i_generation);
to->di_mode = cpu_to_be16(inode->i_mode);
to->di_size = cpu_to_be64(from->di_size);
to->di_nblocks = cpu_to_be64(from->di_nblocks);
to->di_extsize = cpu_to_be32(from->di_extsize);
to->di_nextents = cpu_to_be32(from->di_nextents);
to->di_anextents = cpu_to_be16(from->di_anextents);
to->di_forkoff = from->di_forkoff;
to->di_aformat = from->di_aformat;
to->di_dmevmask = cpu_to_be32(from->di_dmevmask);
to->di_dmstate = cpu_to_be16(from->di_dmstate);
to->di_flags = cpu_to_be16(from->di_flags);
if (from->di_version == 3) {
to->di_changecount = cpu_to_be64(inode->i_version);
to->di_crtime.t_sec = cpu_to_be32(from->di_crtime.t_sec);
to->di_crtime.t_nsec = cpu_to_be32(from->di_crtime.t_nsec);
to->di_flags2 = cpu_to_be64(from->di_flags2);
to->di_ino = cpu_to_be64(ip->i_ino);
to->di_lsn = cpu_to_be64(lsn);
memset(to->di_pad2, 0, sizeof(to->di_pad2));
uuid_copy(&to->di_uuid, &ip->i_mount->m_sb.sb_meta_uuid);
to->di_flushiter = 0;
} else {
to->di_flushiter = cpu_to_be16(from->di_flushiter);
}
}
void
xfs_log_dinode_to_disk(
struct xfs_log_dinode *from,
struct xfs_dinode *to)
{
to->di_magic = cpu_to_be16(from->di_magic);
to->di_mode = cpu_to_be16(from->di_mode);
to->di_version = from ->di_version;
to->di_version = from->di_version;
to->di_format = from->di_format;
to->di_onlink = cpu_to_be16(from->di_onlink);
to->di_onlink = 0;
to->di_uid = cpu_to_be32(from->di_uid);
to->di_gid = cpu_to_be32(from->di_gid);
to->di_nlink = cpu_to_be32(from->di_nlink);
to->di_projid_lo = cpu_to_be16(from->di_projid_lo);
to->di_projid_hi = cpu_to_be16(from->di_projid_hi);
memcpy(to->di_pad, from->di_pad, sizeof(to->di_pad));
to->di_atime.t_sec = cpu_to_be32(from->di_atime.t_sec);
to->di_atime.t_nsec = cpu_to_be32(from->di_atime.t_nsec);
to->di_mtime.t_sec = cpu_to_be32(from->di_mtime.t_sec);
to->di_mtime.t_nsec = cpu_to_be32(from->di_mtime.t_nsec);
to->di_ctime.t_sec = cpu_to_be32(from->di_ctime.t_sec);
to->di_ctime.t_nsec = cpu_to_be32(from->di_ctime.t_nsec);
to->di_size = cpu_to_be64(from->di_size);
to->di_nblocks = cpu_to_be64(from->di_nblocks);
to->di_extsize = cpu_to_be32(from->di_extsize);
@ -367,13 +443,10 @@ xfs_iread(
!(mp->m_flags & XFS_MOUNT_IKEEP)) {
/* initialise the on-disk inode core */
memset(&ip->i_d, 0, sizeof(ip->i_d));
ip->i_d.di_magic = XFS_DINODE_MAGIC;
ip->i_d.di_gen = prandom_u32();
if (xfs_sb_version_hascrc(&mp->m_sb)) {
VFS_I(ip)->i_generation = prandom_u32();
if (xfs_sb_version_hascrc(&mp->m_sb))
ip->i_d.di_version = 3;
ip->i_d.di_ino = ip->i_ino;
uuid_copy(&ip->i_d.di_uuid, &mp->m_sb.sb_meta_uuid);
} else
else
ip->i_d.di_version = 2;
return 0;
}
@ -403,7 +476,7 @@ xfs_iread(
* Otherwise, just get the truly permanent information.
*/
if (dip->di_mode) {
xfs_dinode_from_disk(&ip->i_d, dip);
xfs_inode_from_disk(ip, dip);
error = xfs_iformat_fork(ip, dip);
if (error) {
#ifdef DEBUG
@ -417,16 +490,10 @@ xfs_iread(
* Partial initialisation of the in-core inode. Just the bits
* that xfs_ialloc won't overwrite or relies on being correct.
*/
ip->i_d.di_magic = be16_to_cpu(dip->di_magic);
ip->i_d.di_version = dip->di_version;
ip->i_d.di_gen = be32_to_cpu(dip->di_gen);
VFS_I(ip)->i_generation = be32_to_cpu(dip->di_gen);
ip->i_d.di_flushiter = be16_to_cpu(dip->di_flushiter);
if (dip->di_version == 3) {
ip->i_d.di_ino = be64_to_cpu(dip->di_ino);
uuid_copy(&ip->i_d.di_uuid, &dip->di_uuid);
}
/*
* Make sure to pull in the mode here as well in
* case the inode is released without being used.
@ -434,25 +501,10 @@ xfs_iread(
* the inode is already free and not try to mess
* with the uninitialized part of it.
*/
ip->i_d.di_mode = 0;
}
/*
* Automatically convert version 1 inode formats in memory to version 2
* inode format. If the inode is modified, it will get logged and
* rewritten as a version 2 inode. We can do this because we set the
* superblock feature bit for v2 inodes unconditionally during mount
* and it means the reast of the code can assume the inode version is 2
* or higher.
*/
if (ip->i_d.di_version == 1) {
ip->i_d.di_version = 2;
memset(&(ip->i_d.di_pad[0]), 0, sizeof(ip->i_d.di_pad));
ip->i_d.di_nlink = ip->i_d.di_onlink;
ip->i_d.di_onlink = 0;
xfs_set_projid(ip, 0);
VFS_I(ip)->i_mode = 0;
}
ASSERT(ip->i_d.di_version >= 2);
ip->i_delayed_blks = 0;
/*

38
fs/xfs/libxfs/xfs_inode_buf.h
View File

@ -20,7 +20,36 @@
struct xfs_inode;
struct xfs_dinode;
struct xfs_icdinode;
/*
* In memory representation of the XFS inode. This is held in the in-core struct
* xfs_inode and represents the current on disk values but the structure is not
* in on-disk format. That is, this structure is always translated to on-disk
* format specific structures at the appropriate time.
*/
struct xfs_icdinode {
__int8_t di_version; /* inode version */
__int8_t di_format; /* format of di_c data */
__uint16_t di_flushiter; /* incremented on flush */
__uint32_t di_uid; /* owner's user id */
__uint32_t di_gid; /* owner's group id */
__uint16_t di_projid_lo; /* lower part of owner's project id */
__uint16_t di_projid_hi; /* higher part of owner's project id */
xfs_fsize_t di_size; /* number of bytes in file */
xfs_rfsblock_t di_nblocks; /* # of direct & btree blocks used */
xfs_extlen_t di_extsize; /* basic/minimum extent size for file */
xfs_extnum_t di_nextents; /* number of extents in data fork */
xfs_aextnum_t di_anextents; /* number of extents in attribute fork*/
__uint8_t di_forkoff; /* attr fork offs, <<3 for 64b align */
__int8_t di_aformat; /* format of attr fork's data */
__uint32_t di_dmevmask; /* DMIG event mask */
__uint16_t di_dmstate; /* DMIG state info */
__uint16_t di_flags; /* random flags, XFS_DIFLAG_... */
__uint64_t di_flags2; /* more random flags */
xfs_ictimestamp_t di_crtime; /* time created */
};
/*
* Inode location information. Stored in the inode and passed to
@ -38,8 +67,11 @@ int xfs_imap_to_bp(struct xfs_mount *, struct xfs_trans *,
int xfs_iread(struct xfs_mount *, struct xfs_trans *,
struct xfs_inode *, uint);
void xfs_dinode_calc_crc(struct xfs_mount *, struct xfs_dinode *);
void xfs_dinode_to_disk(struct xfs_dinode *to, struct xfs_icdinode *from);
void xfs_dinode_from_disk(struct xfs_icdinode *to, struct xfs_dinode *from);
void xfs_inode_to_disk(struct xfs_inode *ip, struct xfs_dinode *to,
xfs_lsn_t lsn);
void xfs_inode_from_disk(struct xfs_inode *ip, struct xfs_dinode *from);
void xfs_log_dinode_to_disk(struct xfs_log_dinode *from,
struct xfs_dinode *to);
#if defined(DEBUG)
void xfs_inobp_check(struct xfs_mount *, struct xfs_buf *);

3
fs/xfs/libxfs/xfs_inode_fork.c
View File

@ -31,6 +31,7 @@
#include "xfs_error.h"
#include "xfs_trace.h"
#include "xfs_attr_sf.h"
#include "xfs_da_format.h"
kmem_zone_t *xfs_ifork_zone;
@ -120,7 +121,7 @@ xfs_iformat_fork(
return -EFSCORRUPTED;
}
switch (ip->i_d.di_mode & S_IFMT) {
switch (VFS_I(ip)->i_mode & S_IFMT) {
case S_IFIFO:
case S_IFCHR:
case S_IFBLK:

19
fs/xfs/libxfs/xfs_log_format.h
View File

@ -290,6 +290,7 @@ typedef struct xfs_inode_log_format_64 {
__int32_t ilf_boffset; /* off of inode in buffer */
} xfs_inode_log_format_64_t;
/*
* Flags for xfs_trans_log_inode flags field.
*/
@ -360,15 +361,15 @@ typedef struct xfs_ictimestamp {
} xfs_ictimestamp_t;
/*
* NOTE: This structure must be kept identical to struct xfs_dinode
* except for the endianness annotations.
* Define the format of the inode core that is logged. This structure must be
* kept identical to struct xfs_dinode except for the endianness annotations.
*/
typedef struct xfs_icdinode {
struct xfs_log_dinode {
__uint16_t di_magic; /* inode magic # = XFS_DINODE_MAGIC */
__uint16_t di_mode; /* mode and type of file */
__int8_t di_version; /* inode version */
__int8_t di_format; /* format of di_c data */
__uint16_t di_onlink; /* old number of links to file */
__uint8_t di_pad3[2]; /* unused in v2/3 inodes */
__uint32_t di_uid; /* owner's user id */
__uint32_t di_gid; /* owner's group id */
__uint32_t di_nlink; /* number of links to file */
@ -407,13 +408,13 @@ typedef struct xfs_icdinode {
uuid_t di_uuid; /* UUID of the filesystem */
/* structure must be padded to 64 bit alignment */
} xfs_icdinode_t;
};
static inline uint xfs_icdinode_size(int version)
static inline uint xfs_log_dinode_size(int version)
{
if (version == 3)
return sizeof(struct xfs_icdinode);
return offsetof(struct xfs_icdinode, di_next_unlinked);
return sizeof(struct xfs_log_dinode);
return offsetof(struct xfs_log_dinode, di_next_unlinked);
}
/*
@ -495,6 +496,8 @@ enum xfs_blft {
XFS_BLFT_ATTR_LEAF_BUF,
XFS_BLFT_ATTR_RMT_BUF,
XFS_BLFT_SB_BUF,
XFS_BLFT_RTBITMAP_BUF,
XFS_BLFT_RTSUMMARY_BUF,
XFS_BLFT_MAX_BUF = (1 << XFS_BLFT_BITS),
};

3
fs/xfs/libxfs/xfs_quota_defs.h
View File

@ -37,7 +37,7 @@ typedef __uint16_t xfs_qwarncnt_t;
#define XFS_DQ_PROJ 0x0002 /* project quota */
#define XFS_DQ_GROUP 0x0004 /* a group quota */
#define XFS_DQ_DIRTY 0x0008 /* dquot is dirty */
#define XFS_DQ_FREEING 0x0010 /* dquot is beeing torn down */
#define XFS_DQ_FREEING 0x0010 /* dquot is being torn down */
#define XFS_DQ_ALLTYPES (XFS_DQ_USER|XFS_DQ_PROJ|XFS_DQ_GROUP)
@ -116,6 +116,7 @@ typedef __uint16_t xfs_qwarncnt_t;
#define XFS_QMOPT_DQREPAIR 0x0001000 /* repair dquot if damaged */
#define XFS_QMOPT_GQUOTA 0x0002000 /* group dquot requested */
#define XFS_QMOPT_ENOSPC 0x0004000 /* enospc instead of edquot (prj) */
#define XFS_QMOPT_DQNEXT 0x0008000 /* return next dquot >= this ID */
/*
* flags to xfs_trans_mod_dquot to indicate which field needs to be

32
fs/xfs/libxfs/xfs_rtbitmap.c
View File

@ -41,6 +41,31 @@
* Realtime allocator bitmap functions shared with userspace.
*/
/*
* Real time buffers need verifiers to avoid runtime warnings during IO.
* We don't have anything to verify, however, so these are just dummy
* operations.
*/
static void
xfs_rtbuf_verify_read(
struct xfs_buf *bp)
{
return;
}
static void
xfs_rtbuf_verify_write(
struct xfs_buf *bp)
{
return;
}
const struct xfs_buf_ops xfs_rtbuf_ops = {
.name = "rtbuf",
.verify_read = xfs_rtbuf_verify_read,
.verify_write = xfs_rtbuf_verify_write,
};
/*
* Get a buffer for the bitmap or summary file block specified.
* The buffer is returned read and locked.
@ -68,9 +93,12 @@ xfs_rtbuf_get(
ASSERT(map.br_startblock != NULLFSBLOCK);
error = xfs_trans_read_buf(mp, tp, mp->m_ddev_targp,
XFS_FSB_TO_DADDR(mp, map.br_startblock),
mp->m_bsize, 0, &bp, NULL);
mp->m_bsize, 0, &bp, &xfs_rtbuf_ops);
if (error)
return error;
xfs_trans_buf_set_type(tp, bp, issum ? XFS_BLFT_RTSUMMARY_BUF
: XFS_BLFT_RTBITMAP_BUF);
*bpp = bp;
return 0;
}
@ -983,7 +1011,7 @@ xfs_rtfree_extent(
mp->m_sb.sb_rextents) {
if (!(mp->m_rbmip->i_d.di_flags & XFS_DIFLAG_NEWRTBM))
mp->m_rbmip->i_d.di_flags |= XFS_DIFLAG_NEWRTBM;
*(__uint64_t *)&mp->m_rbmip->i_d.di_atime = 0;
*(__uint64_t *)&VFS_I(mp->m_rbmip)->i_atime = 0;
xfs_trans_log_inode(tp, mp->m_rbmip, XFS_ILOG_CORE);
}
return 0;

1
fs/xfs/libxfs/xfs_sb.h
View File

@ -27,7 +27,6 @@ extern struct xfs_perag *xfs_perag_get_tag(struct xfs_mount *, xfs_agnumber_t,
extern void xfs_perag_put(struct xfs_perag *pag);
extern int xfs_initialize_perag_data(struct xfs_mount *, xfs_agnumber_t);
extern void xfs_sb_calc_crc(struct xfs_buf *bp);
extern void xfs_log_sb(struct xfs_trans *tp);
extern int xfs_sync_sb(struct xfs_mount *mp, bool wait);
extern void xfs_sb_mount_common(struct xfs_mount *mp, struct xfs_sb *sbp);

1
fs/xfs/libxfs/xfs_shared.h
View File

@ -53,6 +53,7 @@ extern const struct xfs_buf_ops xfs_dquot_buf_ra_ops;
extern const struct xfs_buf_ops xfs_sb_buf_ops;
extern const struct xfs_buf_ops xfs_sb_quiet_buf_ops;
extern const struct xfs_buf_ops xfs_symlink_buf_ops;
extern const struct xfs_buf_ops xfs_rtbuf_ops;
/*
* Transaction types. Used to distinguish types of buffers. These never reach

1024
fs/xfs/xfs_aops.c
View File

File diff suppressed because it is too large Load Diff

4
fs/xfs/xfs_aops.h
View File

@ -24,12 +24,14 @@ extern mempool_t *xfs_ioend_pool;
* Types of I/O for bmap clustering and I/O completion tracking.
*/
enum {
XFS_IO_INVALID, /* initial state */
XFS_IO_DELALLOC, /* covers delalloc region */
XFS_IO_UNWRITTEN, /* covers allocated but uninitialized data */
XFS_IO_OVERWRITE, /* covers already allocated extent */
};
#define XFS_IO_TYPES \
{ XFS_IO_INVALID, "invalid" }, \
{ XFS_IO_DELALLOC, "delalloc" }, \
{ XFS_IO_UNWRITTEN, "unwritten" }, \
{ XFS_IO_OVERWRITE, "overwrite" }
@ -39,7 +41,7 @@ enum {
* It can manage several multi-page bio's at once.
*/
typedef struct xfs_ioend {
struct xfs_ioend *io_list; /* next ioend in chain */
struct list_head io_list; /* next ioend in chain */
unsigned int io_type; /* delalloc / unwritten */
int io_error; /* I/O error code */
atomic_t io_remaining; /* hold count */

19
fs/xfs/xfs_attr_list.c
View File

@ -202,8 +202,10 @@ xfs_attr_shortform_list(xfs_attr_list_context_t *context)
sbp->namelen,
sbp->valuelen,
&sbp->name[sbp->namelen]);
if (error)
if (error) {
kmem_free(sbuf);
return error;
}
if (context->seen_enough)
break;
cursor->offset++;
@ -454,14 +456,13 @@ xfs_attr3_leaf_list_int(
args.rmtblkcnt = xfs_attr3_rmt_blocks(
args.dp->i_mount, valuelen);
retval = xfs_attr_rmtval_get(&args);
if (retval)
return retval;
retval = context->put_listent(context,
entry->flags,
name_rmt->name,
(int)name_rmt->namelen,
valuelen,
args.value);
if (!retval)
retval = context->put_listent(context,
entry->flags,
name_rmt->name,
(int)name_rmt->namelen,
valuelen,
args.value);
kmem_free(args.value);
} else {
retval = context->put_listent(context,

8
fs/xfs/xfs_bmap_util.c
View File

@ -203,10 +203,12 @@ xfs_bmap_rtalloc(
ralen = MAXEXTLEN / mp->m_sb.sb_rextsize;
/*
* Lock out other modifications to the RT bitmap inode.
* Lock out modifications to both the RT bitmap and summary inodes
*/
xfs_ilock(mp->m_rbmip, XFS_ILOCK_EXCL);
xfs_trans_ijoin(ap->tp, mp->m_rbmip, XFS_ILOCK_EXCL);
xfs_ilock(mp->m_rsumip, XFS_ILOCK_EXCL);
xfs_trans_ijoin(ap->tp, mp->m_rsumip, XFS_ILOCK_EXCL);
/*
* If it's an allocation to an empty file at offset 0,
@ -822,7 +824,7 @@ bool
xfs_can_free_eofblocks(struct xfs_inode *ip, bool force)
{
/* prealloc/delalloc exists only on regular files */
if (!S_ISREG(ip->i_d.di_mode))
if (!S_ISREG(VFS_I(ip)->i_mode))
return false;
/*
@ -1727,7 +1729,7 @@ xfs_swap_extents(
xfs_lock_two_inodes(ip, tip, XFS_MMAPLOCK_EXCL);
/* Verify that both files have the same format */
if ((ip->i_d.di_mode & S_IFMT) != (tip->i_d.di_mode & S_IFMT)) {
if ((VFS_I(ip)->i_mode & S_IFMT) != (VFS_I(tip)->i_mode & S_IFMT)) {
error = -EINVAL;
goto out_unlock;
}

2
fs/xfs/xfs_buf.c
View File

@ -650,7 +650,7 @@ xfs_buf_read_map(
if (bp) {
trace_xfs_buf_read(bp, flags, _RET_IP_);
if (!XFS_BUF_ISDONE(bp)) {
if (!(bp->b_flags & XBF_DONE)) {
XFS_STATS_INC(target->bt_mount, xb_get_read);
bp->b_ops = ops;
_xfs_buf_read(bp, flags);

26
fs/xfs/xfs_buf.h
View File

@ -302,6 +302,7 @@ extern void xfs_buf_iomove(xfs_buf_t *, size_t, size_t, void *,
/* Buffer Utility Routines */
extern void *xfs_buf_offset(struct xfs_buf *, size_t);
extern void xfs_buf_stale(struct xfs_buf *bp);
/* Delayed Write Buffer Routines */
extern bool xfs_buf_delwri_queue(struct xfs_buf *, struct list_head *);
@ -312,31 +313,6 @@ extern int xfs_buf_delwri_submit_nowait(struct list_head *);
extern int xfs_buf_init(void);
extern void xfs_buf_terminate(void);
#define XFS_BUF_ZEROFLAGS(bp) \
((bp)->b_flags &= ~(XBF_READ|XBF_WRITE|XBF_ASYNC| \
XBF_SYNCIO|XBF_FUA|XBF_FLUSH| \
XBF_WRITE_FAIL))
void xfs_buf_stale(struct xfs_buf *bp);
#define XFS_BUF_UNSTALE(bp) ((bp)->b_flags &= ~XBF_STALE)
#define XFS_BUF_ISSTALE(bp) ((bp)->b_flags & XBF_STALE)
#define XFS_BUF_DONE(bp) ((bp)->b_flags |= XBF_DONE)
#define XFS_BUF_UNDONE(bp) ((bp)->b_flags &= ~XBF_DONE)
#define XFS_BUF_ISDONE(bp) ((bp)->b_flags & XBF_DONE)
#define XFS_BUF_ASYNC(bp) ((bp)->b_flags |= XBF_ASYNC)
#define XFS_BUF_UNASYNC(bp) ((bp)->b_flags &= ~XBF_ASYNC)
#define XFS_BUF_ISASYNC(bp) ((bp)->b_flags & XBF_ASYNC)
#define XFS_BUF_READ(bp) ((bp)->b_flags |= XBF_READ)
#define XFS_BUF_UNREAD(bp) ((bp)->b_flags &= ~XBF_READ)
#define XFS_BUF_ISREAD(bp) ((bp)->b_flags & XBF_READ)
#define XFS_BUF_WRITE(bp) ((bp)->b_flags |= XBF_WRITE)
#define XFS_BUF_UNWRITE(bp) ((bp)->b_flags &= ~XBF_WRITE)
#define XFS_BUF_ISWRITE(bp) ((bp)->b_flags & XBF_WRITE)
/*
* These macros use the IO block map rather than b_bn. b_bn is now really
* just for the buffer cache index for cached buffers. As IO does not use b_bn

10
fs/xfs/xfs_buf_item.c
View File

@ -431,7 +431,7 @@ xfs_buf_item_unpin(
if (freed && stale) {
ASSERT(bip->bli_flags & XFS_BLI_STALE);
ASSERT(xfs_buf_islocked(bp));
ASSERT(XFS_BUF_ISSTALE(bp));
ASSERT(bp->b_flags & XBF_STALE);
ASSERT(bip->__bli_format.blf_flags & XFS_BLF_CANCEL);
trace_xfs_buf_item_unpin_stale(bip);
@ -493,7 +493,7 @@ xfs_buf_item_unpin(
xfs_buf_hold(bp);
bp->b_flags |= XBF_ASYNC;
xfs_buf_ioerror(bp, -EIO);
XFS_BUF_UNDONE(bp);
bp->b_flags &= ~XBF_DONE;
xfs_buf_stale(bp);
xfs_buf_ioend(bp);
}
@ -1067,7 +1067,7 @@ xfs_buf_iodone_callbacks(
*/
if (XFS_FORCED_SHUTDOWN(mp)) {
xfs_buf_stale(bp);
XFS_BUF_DONE(bp);
bp->b_flags |= XBF_DONE;
trace_xfs_buf_item_iodone(bp, _RET_IP_);
goto do_callbacks;
}
@ -1090,7 +1090,7 @@ xfs_buf_iodone_callbacks(
* errors tend to affect the whole device and a failing log write
* will make us give up. But we really ought to do better here.
*/
if (XFS_BUF_ISASYNC(bp)) {
if (bp->b_flags & XBF_ASYNC) {
ASSERT(bp->b_iodone != NULL);
trace_xfs_buf_item_iodone_async(bp, _RET_IP_);
@ -1113,7 +1113,7 @@ xfs_buf_iodone_callbacks(
* sure to return the error to the caller of xfs_bwrite().
*/
xfs_buf_stale(bp);
XFS_BUF_DONE(bp);
bp->b_flags |= XBF_DONE;
trace_xfs_buf_error_relse(bp, _RET_IP_);

2
fs/xfs/xfs_dir2_readdir.c
View File

@ -665,7 +665,7 @@ xfs_readdir(
if (XFS_FORCED_SHUTDOWN(dp->i_mount))
return -EIO;
ASSERT(S_ISDIR(dp->i_d.di_mode));
ASSERT(S_ISDIR(VFS_I(dp)->i_mode));
XFS_STATS_INC(dp->i_mount, xs_dir_getdents);
args.dp = dp;

2
fs/xfs/xfs_discard.c
View File

@ -227,7 +227,7 @@ xfs_discard_extents(
GFP_NOFS, 0);
if (error && error != -EOPNOTSUPP) {
xfs_info(mp,
"discard failed for extent [0x%llu,%u], error %d",
"discard failed for extent [0x%llx,%u], error %d",
(unsigned long long)busyp->bno,
busyp->length,
error);

129
fs/xfs/xfs_dquot.c
View File

@ -92,26 +92,28 @@ xfs_qm_adjust_dqlimits(
{
struct xfs_quotainfo *q = mp->m_quotainfo;
struct xfs_disk_dquot *d = &dq->q_core;
struct xfs_def_quota *defq;
int prealloc = 0;
ASSERT(d->d_id);
defq = xfs_get_defquota(dq, q);
if (q->qi_bsoftlimit && !d->d_blk_softlimit) {
d->d_blk_softlimit = cpu_to_be64(q->qi_bsoftlimit);
if (defq->bsoftlimit && !d->d_blk_softlimit) {
d->d_blk_softlimit = cpu_to_be64(defq->bsoftlimit);
prealloc = 1;
}
if (q->qi_bhardlimit && !d->d_blk_hardlimit) {
d->d_blk_hardlimit = cpu_to_be64(q->qi_bhardlimit);
if (defq->bhardlimit && !d->d_blk_hardlimit) {
d->d_blk_hardlimit = cpu_to_be64(defq->bhardlimit);
prealloc = 1;
}
if (q->qi_isoftlimit && !d->d_ino_softlimit)
d->d_ino_softlimit = cpu_to_be64(q->qi_isoftlimit);
if (q->qi_ihardlimit && !d->d_ino_hardlimit)
d->d_ino_hardlimit = cpu_to_be64(q->qi_ihardlimit);
if (q->qi_rtbsoftlimit && !d->d_rtb_softlimit)
d->d_rtb_softlimit = cpu_to_be64(q->qi_rtbsoftlimit);
if (q->qi_rtbhardlimit && !d->d_rtb_hardlimit)
d->d_rtb_hardlimit = cpu_to_be64(q->qi_rtbhardlimit);
if (defq->isoftlimit && !d->d_ino_softlimit)
d->d_ino_softlimit = cpu_to_be64(defq->isoftlimit);
if (defq->ihardlimit && !d->d_ino_hardlimit)
d->d_ino_hardlimit = cpu_to_be64(defq->ihardlimit);
if (defq->rtbsoftlimit && !d->d_rtb_softlimit)
d->d_rtb_softlimit = cpu_to_be64(defq->rtbsoftlimit);
if (defq->rtbhardlimit && !d->d_rtb_hardlimit)
d->d_rtb_hardlimit = cpu_to_be64(defq->rtbhardlimit);
if (prealloc)
xfs_dquot_set_prealloc_limits(dq);
@ -232,7 +234,8 @@ xfs_qm_init_dquot_blk(
{
struct xfs_quotainfo *q = mp->m_quotainfo;
xfs_dqblk_t *d;
int curid, i;
xfs_dqid_t curid;
int i;
ASSERT(tp);
ASSERT(xfs_buf_islocked(bp));
@ -243,7 +246,6 @@ xfs_qm_init_dquot_blk(
* ID of the first dquot in the block - id's are zero based.
*/
curid = id - (id % q->qi_dqperchunk);
ASSERT(curid >= 0);
memset(d, 0, BBTOB(q->qi_dqchunklen));
for (i = 0; i < q->qi_dqperchunk; i++, d++, curid++) {
d->dd_diskdq.d_magic = cpu_to_be16(XFS_DQUOT_MAGIC);
@ -464,12 +466,13 @@ xfs_qm_dqtobp(
struct xfs_bmbt_irec map;
int nmaps = 1, error;
struct xfs_buf *bp;
struct xfs_inode *quotip = xfs_dq_to_quota_inode(dqp);
struct xfs_inode *quotip;
struct xfs_mount *mp = dqp->q_mount;
xfs_dqid_t id = be32_to_cpu(dqp->q_core.d_id);
struct xfs_trans *tp = (tpp ? *tpp : NULL);
uint lock_mode;
quotip = xfs_quota_inode(dqp->q_mount, dqp->dq_flags);
dqp->q_fileoffset = (xfs_fileoff_t)id / mp->m_quotainfo->qi_dqperchunk;
lock_mode = xfs_ilock_data_map_shared(quotip);
@ -684,6 +687,56 @@ error0:
return error;
}
/*
* Advance to the next id in the current chunk, or if at the
* end of the chunk, skip ahead to first id in next allocated chunk
* using the SEEK_DATA interface.
*/
int
xfs_dq_get_next_id(
xfs_mount_t *mp,
uint type,
xfs_dqid_t *id,
loff_t eof)
{
struct xfs_inode *quotip;
xfs_fsblock_t start;
loff_t offset;
uint lock;
xfs_dqid_t next_id;
int error = 0;
/* Simple advance */
next_id = *id + 1;
/* If new ID is within the current chunk, advancing it sufficed */
if (next_id % mp->m_quotainfo->qi_dqperchunk) {
*id = next_id;
return 0;
}
/* Nope, next_id is now past the current chunk, so find the next one */
start = (xfs_fsblock_t)next_id / mp->m_quotainfo->qi_dqperchunk;
quotip = xfs_quota_inode(mp, type);
lock = xfs_ilock_data_map_shared(quotip);
offset = __xfs_seek_hole_data(VFS_I(quotip), XFS_FSB_TO_B(mp, start),
eof, SEEK_DATA);
if (offset < 0)
error = offset;
xfs_iunlock(quotip, lock);
/* -ENXIO is essentially "no more data" */
if (error)
return (error == -ENXIO ? -ENOENT: error);
/* Convert next data offset back to a quota id */
*id = XFS_B_TO_FSB(mp, offset) * mp->m_quotainfo->qi_dqperchunk;
return 0;
}
/*
* Given the file system, inode OR id, and type (UDQUOT/GDQUOT), return a
* a locked dquot, doing an allocation (if requested) as needed.
@ -704,6 +757,7 @@ xfs_qm_dqget(
struct xfs_quotainfo *qi = mp->m_quotainfo;
struct radix_tree_root *tree = xfs_dquot_tree(qi, type);
struct xfs_dquot *dqp;
loff_t eof = 0;
int error;
ASSERT(XFS_IS_QUOTA_RUNNING(mp));
@ -731,6 +785,21 @@ xfs_qm_dqget(
}
#endif
/* Get the end of the quota file if we need it */
if (flags & XFS_QMOPT_DQNEXT) {
struct xfs_inode *quotip;
xfs_fileoff_t last;
uint lock_mode;
quotip = xfs_quota_inode(mp, type);
lock_mode = xfs_ilock_data_map_shared(quotip);
error = xfs_bmap_last_offset(quotip, &last, XFS_DATA_FORK);
xfs_iunlock(quotip, lock_mode);
if (error)
return error;
eof = XFS_FSB_TO_B(mp, last);
}
restart:
mutex_lock(&qi->qi_tree_lock);
dqp = radix_tree_lookup(tree, id);
@ -744,6 +813,18 @@ restart:
goto restart;
}
/* uninit / unused quota found in radix tree, keep looking */
if (flags & XFS_QMOPT_DQNEXT) {
if (XFS_IS_DQUOT_UNINITIALIZED(dqp)) {
xfs_dqunlock(dqp);
mutex_unlock(&qi->qi_tree_lock);
error = xfs_dq_get_next_id(mp, type, &id, eof);
if (error)
return error;
goto restart;
}
}
dqp->q_nrefs++;
mutex_unlock(&qi->qi_tree_lock);
@ -770,6 +851,13 @@ restart:
if (ip)
xfs_ilock(ip, XFS_ILOCK_EXCL);
/* If we are asked to find next active id, keep looking */
if (error == -ENOENT && (flags & XFS_QMOPT_DQNEXT)) {
error = xfs_dq_get_next_id(mp, type, &id, eof);
if (!error)
goto restart;
}
if (error)
return error;
@ -820,6 +908,17 @@ restart:
qi->qi_dquots++;
mutex_unlock(&qi->qi_tree_lock);
/* If we are asked to find next active id, keep looking */
if (flags & XFS_QMOPT_DQNEXT) {
if (XFS_IS_DQUOT_UNINITIALIZED(dqp)) {
xfs_qm_dqput(dqp);
error = xfs_dq_get_next_id(mp, type, &id, eof);
if (error)
return error;
goto restart;
}
}
dqret:
ASSERT((ip == NULL) || xfs_isilocked(ip, XFS_ILOCK_EXCL));
trace_xfs_dqget_miss(dqp);

2
fs/xfs/xfs_export.c
View File

@ -152,7 +152,7 @@ xfs_nfs_get_inode(
return ERR_PTR(error);
}
if (ip->i_d.di_gen != generation) {
if (VFS_I(ip)->i_generation != generation) {
IRELE(ip);
return ERR_PTR(-ESTALE);
}

88
fs/xfs/xfs_file.c
View File

@ -156,9 +156,9 @@ xfs_update_prealloc_flags(
xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL);
if (!(flags & XFS_PREALLOC_INVISIBLE)) {
ip->i_d.di_mode &= ~S_ISUID;
if (ip->i_d.di_mode & S_IXGRP)
ip->i_d.di_mode &= ~S_ISGID;
VFS_I(ip)->i_mode &= ~S_ISUID;
if (VFS_I(ip)->i_mode & S_IXGRP)
VFS_I(ip)->i_mode &= ~S_ISGID;
xfs_trans_ichgtime(tp, ip, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG);
}
@ -1337,31 +1337,31 @@ out:
return found;
}
STATIC loff_t
xfs_seek_hole_data(
struct file *file,
/*
* caller must lock inode with xfs_ilock_data_map_shared,
* can we craft an appropriate ASSERT?
*
* end is because the VFS-level lseek interface is defined such that any
* offset past i_size shall return -ENXIO, but we use this for quota code
* which does not maintain i_size, and we want to SEEK_DATA past i_size.
*/
loff_t
__xfs_seek_hole_data(
struct inode *inode,
loff_t start,
loff_t end,
int whence)
{
struct inode *inode = file->f_mapping->host;
struct xfs_inode *ip = XFS_I(inode);
struct xfs_mount *mp = ip->i_mount;
loff_t uninitialized_var(offset);
xfs_fsize_t isize;
xfs_fileoff_t fsbno;
xfs_filblks_t end;
uint lock;
xfs_filblks_t lastbno;
int error;
if (XFS_FORCED_SHUTDOWN(mp))
return -EIO;
lock = xfs_ilock_data_map_shared(ip);
isize = i_size_read(inode);
if (start >= isize) {
if (start >= end) {
error = -ENXIO;
goto out_unlock;
goto out_error;
}
/*
@ -1369,22 +1369,22 @@ xfs_seek_hole_data(
* by fsbno to the end block of the file.
*/
fsbno = XFS_B_TO_FSBT(mp, start);
end = XFS_B_TO_FSB(mp, isize);
lastbno = XFS_B_TO_FSB(mp, end);
for (;;) {
struct xfs_bmbt_irec map[2];
int nmap = 2;
unsigned int i;
error = xfs_bmapi_read(ip, fsbno, end - fsbno, map, &nmap,
error = xfs_bmapi_read(ip, fsbno, lastbno - fsbno, map, &nmap,
XFS_BMAPI_ENTIRE);
if (error)
goto out_unlock;
goto out_error;
/* No extents at given offset, must be beyond EOF */
if (nmap == 0) {
error = -ENXIO;
goto out_unlock;
goto out_error;
}
for (i = 0; i < nmap; i++) {
@ -1426,7 +1426,7 @@ xfs_seek_hole_data(
* hole at the end of any file).
*/
if (whence == SEEK_HOLE) {
offset = isize;
offset = end;
break;
}
/*
@ -1434,7 +1434,7 @@ xfs_seek_hole_data(
*/
ASSERT(whence == SEEK_DATA);
error = -ENXIO;
goto out_unlock;
goto out_error;
}
ASSERT(i > 1);
@ -1445,14 +1445,14 @@ xfs_seek_hole_data(
*/
fsbno = map[i - 1].br_startoff + map[i - 1].br_blockcount;
start = XFS_FSB_TO_B(mp, fsbno);
if (start >= isize) {
if (start >= end) {
if (whence == SEEK_HOLE) {
offset = isize;
offset = end;
break;
}
ASSERT(whence == SEEK_DATA);
error = -ENXIO;
goto out_unlock;
goto out_error;
}
}
@ -1464,7 +1464,39 @@ out:
* situation in particular.
*/
if (whence == SEEK_HOLE)
offset = min_t(loff_t, offset, isize);
offset = min_t(loff_t, offset, end);
return offset;
out_error:
return error;
}
STATIC loff_t
xfs_seek_hole_data(
struct file *file,
loff_t start,
int whence)
{
struct inode *inode = file->f_mapping->host;
struct xfs_inode *ip = XFS_I(inode);
struct xfs_mount *mp = ip->i_mount;
uint lock;
loff_t offset, end;
int error = 0;
if (XFS_FORCED_SHUTDOWN(mp))
return -EIO;
lock = xfs_ilock_data_map_shared(ip);
end = i_size_read(inode);
offset = __xfs_seek_hole_data(inode, start, end, whence);
if (offset < 0) {
error = offset;
goto out_unlock;
}
offset = vfs_setpos(file, offset, inode->i_sb->s_maxbytes);
out_unlock:

4
fs/xfs/xfs_filestream.c
View File

@ -151,7 +151,7 @@ xfs_filestream_pick_ag(
xfs_agnumber_t ag, max_ag = NULLAGNUMBER;
int err, trylock, nscan;
ASSERT(S_ISDIR(ip->i_d.di_mode));
ASSERT(S_ISDIR(VFS_I(ip)->i_mode));
/* 2% of an AG's blocks must be free for it to be chosen. */
minfree = mp->m_sb.sb_agblocks / 50;
@ -319,7 +319,7 @@ xfs_filestream_lookup_ag(
xfs_agnumber_t startag, ag = NULLAGNUMBER;
struct xfs_mru_cache_elem *mru;
ASSERT(S_ISREG(ip->i_d.di_mode));
ASSERT(S_ISREG(VFS_I(ip)->i_mode));
pip = xfs_filestream_get_parent(ip);
if (!pip)

1
fs/xfs/xfs_fsops.h
View File

@ -25,6 +25,5 @@ extern int xfs_fs_counts(xfs_mount_t *mp, xfs_fsop_counts_t *cnt);
extern int xfs_reserve_blocks(xfs_mount_t *mp, __uint64_t *inval,
xfs_fsop_resblks_t *outval);
extern int xfs_fs_goingdown(xfs_mount_t *mp, __uint32_t inflags);
extern int xfs_fs_log_dummy(struct xfs_mount *mp);
#endif /* __XFS_FSOPS_H__ */

43
fs/xfs/xfs_icache.c
View File

@ -63,6 +63,9 @@ xfs_inode_alloc(
return NULL;
}
/* VFS doesn't initialise i_mode! */
VFS_I(ip)->i_mode = 0;
XFS_STATS_INC(mp, vn_active);
ASSERT(atomic_read(&ip->i_pincount) == 0);
ASSERT(!spin_is_locked(&ip->i_flags_lock));
@ -79,7 +82,7 @@ xfs_inode_alloc(
memset(&ip->i_df, 0, sizeof(xfs_ifork_t));
ip->i_flags = 0;
ip->i_delayed_blks = 0;
memset(&ip->i_d, 0, sizeof(xfs_icdinode_t));
memset(&ip->i_d, 0, sizeof(ip->i_d));
return ip;
}
@ -98,7 +101,7 @@ void
xfs_inode_free(
struct xfs_inode *ip)
{
switch (ip->i_d.di_mode & S_IFMT) {
switch (VFS_I(ip)->i_mode & S_IFMT) {
case S_IFREG:
case S_IFDIR:
case S_IFLNK:
@ -134,6 +137,34 @@ xfs_inode_free(
call_rcu(&VFS_I(ip)->i_rcu, xfs_inode_free_callback);
}
/*
* When we recycle a reclaimable inode, we need to re-initialise the VFS inode
* part of the structure. This is made more complex by the fact we store
* information about the on-disk values in the VFS inode and so we can't just
* overwrite the values unconditionally. Hence we save the parameters we
* need to retain across reinitialisation, and rewrite them into the VFS inode
* after reinitialisation even if it fails.
*/
static int
xfs_reinit_inode(
struct xfs_mount *mp,
struct inode *inode)
{
int error;
uint32_t nlink = inode->i_nlink;
uint32_t generation = inode->i_generation;
uint64_t version = inode->i_version;
umode_t mode = inode->i_mode;
error = inode_init_always(mp->m_super, inode);
set_nlink(inode, nlink);
inode->i_generation = generation;
inode->i_version = version;
inode->i_mode = mode;
return error;
}
/*
* Check the validity of the inode we just found it the cache
*/
@ -185,7 +216,7 @@ xfs_iget_cache_hit(
/*
* If lookup is racing with unlink return an error immediately.
*/
if (ip->i_d.di_mode == 0 && !(flags & XFS_IGET_CREATE)) {
if (VFS_I(ip)->i_mode == 0 && !(flags & XFS_IGET_CREATE)) {
error = -ENOENT;
goto out_error;
}
@ -208,7 +239,7 @@ xfs_iget_cache_hit(
spin_unlock(&ip->i_flags_lock);
rcu_read_unlock();
error = inode_init_always(mp->m_super, inode);
error = xfs_reinit_inode(mp, inode);
if (error) {
/*
* Re-initializing the inode failed, and we are in deep
@ -295,7 +326,7 @@ xfs_iget_cache_miss(
trace_xfs_iget_miss(ip);
if ((ip->i_d.di_mode == 0) && !(flags & XFS_IGET_CREATE)) {
if ((VFS_I(ip)->i_mode == 0) && !(flags & XFS_IGET_CREATE)) {
error = -ENOENT;
goto out_destroy;
}
@ -444,7 +475,7 @@ again:
* If we have a real type for an on-disk inode, we can setup the inode
* now. If it's a new inode being created, xfs_ialloc will handle it.
*/
if (xfs_iflags_test(ip, XFS_INEW) && ip->i_d.di_mode != 0)
if (xfs_iflags_test(ip, XFS_INEW) && VFS_I(ip)->i_mode != 0)
xfs_setup_existing_inode(ip);
return 0;

174
fs/xfs/xfs_inode.c
View File

@ -57,9 +57,9 @@ kmem_zone_t *xfs_inode_zone;
*/
#define XFS_ITRUNC_MAX_EXTENTS 2
STATIC int xfs_iflush_int(xfs_inode_t *, xfs_buf_t *);
STATIC int xfs_iunlink_remove(xfs_trans_t *, xfs_inode_t *);
STATIC int xfs_iflush_int(struct xfs_inode *, struct xfs_buf *);
STATIC int xfs_iunlink(struct xfs_trans *, struct xfs_inode *);
STATIC int xfs_iunlink_remove(struct xfs_trans *, struct xfs_inode *);
/*
* helper function to extract extent size hint from inode
@ -766,6 +766,7 @@ xfs_ialloc(
uint flags;
int error;
struct timespec tv;
struct inode *inode;
/*
* Call the space management code to pick
@ -791,6 +792,7 @@ xfs_ialloc(
if (error)
return error;
ASSERT(ip != NULL);
inode = VFS_I(ip);
/*
* We always convert v1 inodes to v2 now - we only support filesystems
@ -800,20 +802,16 @@ xfs_ialloc(
if (ip->i_d.di_version == 1)
ip->i_d.di_version = 2;
ip->i_d.di_mode = mode;
ip->i_d.di_onlink = 0;
ip->i_d.di_nlink = nlink;
ASSERT(ip->i_d.di_nlink == nlink);
inode->i_mode = mode;
set_nlink(inode, nlink);
ip->i_d.di_uid = xfs_kuid_to_uid(current_fsuid());
ip->i_d.di_gid = xfs_kgid_to_gid(current_fsgid());
xfs_set_projid(ip, prid);
memset(&(ip->i_d.di_pad[0]), 0, sizeof(ip->i_d.di_pad));
if (pip && XFS_INHERIT_GID(pip)) {
ip->i_d.di_gid = pip->i_d.di_gid;
if ((pip->i_d.di_mode & S_ISGID) && S_ISDIR(mode)) {
ip->i_d.di_mode |= S_ISGID;
}
if ((VFS_I(pip)->i_mode & S_ISGID) && S_ISDIR(mode))
inode->i_mode |= S_ISGID;
}
/*
@ -822,38 +820,29 @@ xfs_ialloc(
* (and only if the irix_sgid_inherit compatibility variable is set).
*/
if ((irix_sgid_inherit) &&
(ip->i_d.di_mode & S_ISGID) &&
(!in_group_p(xfs_gid_to_kgid(ip->i_d.di_gid)))) {
ip->i_d.di_mode &= ~S_ISGID;
}
(inode->i_mode & S_ISGID) &&
(!in_group_p(xfs_gid_to_kgid(ip->i_d.di_gid))))
inode->i_mode &= ~S_ISGID;
ip->i_d.di_size = 0;
ip->i_d.di_nextents = 0;
ASSERT(ip->i_d.di_nblocks == 0);
tv = current_fs_time(mp->m_super);
ip->i_d.di_mtime.t_sec = (__int32_t)tv.tv_sec;
ip->i_d.di_mtime.t_nsec = (__int32_t)tv.tv_nsec;
ip->i_d.di_atime = ip->i_d.di_mtime;
ip->i_d.di_ctime = ip->i_d.di_mtime;
inode->i_mtime = tv;
inode->i_atime = tv;
inode->i_ctime = tv;
/*
* di_gen will have been taken care of in xfs_iread.
*/
ip->i_d.di_extsize = 0;
ip->i_d.di_dmevmask = 0;
ip->i_d.di_dmstate = 0;
ip->i_d.di_flags = 0;
if (ip->i_d.di_version == 3) {
ASSERT(ip->i_d.di_ino == ino);
ASSERT(uuid_equal(&ip->i_d.di_uuid, &mp->m_sb.sb_meta_uuid));
ip->i_d.di_crc = 0;
ip->i_d.di_changecount = 1;
ip->i_d.di_lsn = 0;
inode->i_version = 1;
ip->i_d.di_flags2 = 0;
memset(&(ip->i_d.di_pad2[0]), 0, sizeof(ip->i_d.di_pad2));
ip->i_d.di_crtime = ip->i_d.di_mtime;
ip->i_d.di_crtime.t_sec = (__int32_t)tv.tv_sec;
ip->i_d.di_crtime.t_nsec = (__int32_t)tv.tv_nsec;
}
@ -1092,35 +1081,24 @@ xfs_dir_ialloc(
}
/*
* Decrement the link count on an inode & log the change.
* If this causes the link count to go to zero, initiate the
* logging activity required to truncate a file.
* Decrement the link count on an inode & log the change. If this causes the
* link count to go to zero, move the inode to AGI unlinked list so that it can
* be freed when the last active reference goes away via xfs_inactive().
*/
int /* error */
xfs_droplink(
xfs_trans_t *tp,
xfs_inode_t *ip)
{
int error;
xfs_trans_ichgtime(tp, ip, XFS_ICHGTIME_CHG);
ASSERT (ip->i_d.di_nlink > 0);
ip->i_d.di_nlink--;
drop_nlink(VFS_I(ip));
xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
error = 0;
if (ip->i_d.di_nlink == 0) {
/*
* We're dropping the last link to this file.
* Move the on-disk inode to the AGI unlinked list.
* From xfs_inactive() we will pull the inode from
* the list and free it.
*/
error = xfs_iunlink(tp, ip);
}
return error;
if (VFS_I(ip)->i_nlink)
return 0;
return xfs_iunlink(tp, ip);
}
/*
@ -1134,8 +1112,6 @@ xfs_bumplink(
xfs_trans_ichgtime(tp, ip, XFS_ICHGTIME_CHG);
ASSERT(ip->i_d.di_version > 1);
ASSERT(ip->i_d.di_nlink > 0 || (VFS_I(ip)->i_state & I_LINKABLE));
ip->i_d.di_nlink++;
inc_nlink(VFS_I(ip));
xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
return 0;
@ -1393,7 +1369,6 @@ xfs_create_tmpfile(
*/
xfs_qm_vop_create_dqattach(tp, ip, udqp, gdqp, pdqp);
ip->i_d.di_nlink--;
error = xfs_iunlink(tp, ip);
if (error)
goto out_trans_cancel;
@ -1444,7 +1419,7 @@ xfs_link(
trace_xfs_link(tdp, target_name);
ASSERT(!S_ISDIR(sip->i_d.di_mode));
ASSERT(!S_ISDIR(VFS_I(sip)->i_mode));
if (XFS_FORCED_SHUTDOWN(mp))
return -EIO;
@ -1492,7 +1467,10 @@ xfs_link(
xfs_bmap_init(&free_list, &first_block);
if (sip->i_d.di_nlink == 0) {
/*
* Handle initial link state of O_TMPFILE inode
*/
if (VFS_I(sip)->i_nlink == 0) {
error = xfs_iunlink_remove(tp, sip);
if (error)
goto error_return;
@ -1648,7 +1626,7 @@ xfs_release(
xfs_mount_t *mp = ip->i_mount;
int error;
if (!S_ISREG(ip->i_d.di_mode) || (ip->i_d.di_mode == 0))
if (!S_ISREG(VFS_I(ip)->i_mode) || (VFS_I(ip)->i_mode == 0))
return 0;
/* If this is a read-only mount, don't do this (would generate I/O) */
@ -1679,7 +1657,7 @@ xfs_release(
}
}
if (ip->i_d.di_nlink == 0)
if (VFS_I(ip)->i_nlink == 0)
return 0;
if (xfs_can_free_eofblocks(ip, false)) {
@ -1883,7 +1861,7 @@ xfs_inactive(
* If the inode is already free, then there can be nothing
* to clean up here.
*/
if (ip->i_d.di_mode == 0) {
if (VFS_I(ip)->i_mode == 0) {
ASSERT(ip->i_df.if_real_bytes == 0);
ASSERT(ip->i_df.if_broot_bytes == 0);
return;
@ -1895,7 +1873,7 @@ xfs_inactive(
if (mp->m_flags & XFS_MOUNT_RDONLY)
return;
if (ip->i_d.di_nlink != 0) {
if (VFS_I(ip)->i_nlink != 0) {
/*
* force is true because we are evicting an inode from the
* cache. Post-eof blocks must be freed, lest we end up with
@ -1907,7 +1885,7 @@ xfs_inactive(
return;
}
if (S_ISREG(ip->i_d.di_mode) &&
if (S_ISREG(VFS_I(ip)->i_mode) &&
(ip->i_d.di_size != 0 || XFS_ISIZE(ip) != 0 ||
ip->i_d.di_nextents > 0 || ip->i_delayed_blks > 0))
truncate = 1;
@ -1916,7 +1894,7 @@ xfs_inactive(
if (error)
return;
if (S_ISLNK(ip->i_d.di_mode))
if (S_ISLNK(VFS_I(ip)->i_mode))
error = xfs_inactive_symlink(ip);
else if (truncate)
error = xfs_inactive_truncate(ip);
@ -1952,16 +1930,21 @@ xfs_inactive(
}
/*
* This is called when the inode's link count goes to 0.
* We place the on-disk inode on a list in the AGI. It
* will be pulled from this list when the inode is freed.
* This is called when the inode's link count goes to 0 or we are creating a
* tmpfile via O_TMPFILE. In the case of a tmpfile, @ignore_linkcount will be
* set to true as the link count is dropped to zero by the VFS after we've
* created the file successfully, so we have to add it to the unlinked list
* while the link count is non-zero.
*
* We place the on-disk inode on a list in the AGI. It will be pulled from this
* list when the inode is freed.
*/
int
STATIC int
xfs_iunlink(
xfs_trans_t *tp,
xfs_inode_t *ip)
struct xfs_trans *tp,
struct xfs_inode *ip)
{
xfs_mount_t *mp;
xfs_mount_t *mp = tp->t_mountp;
xfs_agi_t *agi;
xfs_dinode_t *dip;
xfs_buf_t *agibp;
@ -1971,10 +1954,7 @@ xfs_iunlink(
int offset;
int error;
ASSERT(ip->i_d.di_nlink == 0);
ASSERT(ip->i_d.di_mode != 0);
mp = tp->t_mountp;
ASSERT(VFS_I(ip)->i_mode != 0);
/*
* Get the agi buffer first. It ensures lock ordering
@ -2412,10 +2392,10 @@ xfs_ifree(
struct xfs_icluster xic = { 0 };
ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
ASSERT(ip->i_d.di_nlink == 0);
ASSERT(VFS_I(ip)->i_nlink == 0);
ASSERT(ip->i_d.di_nextents == 0);
ASSERT(ip->i_d.di_anextents == 0);
ASSERT(ip->i_d.di_size == 0 || !S_ISREG(ip->i_d.di_mode));
ASSERT(ip->i_d.di_size == 0 || !S_ISREG(VFS_I(ip)->i_mode));
ASSERT(ip->i_d.di_nblocks == 0);
/*
@ -2429,7 +2409,7 @@ xfs_ifree(
if (error)
return error;
ip->i_d.di_mode = 0; /* mark incore inode as free */
VFS_I(ip)->i_mode = 0; /* mark incore inode as free */
ip->i_d.di_flags = 0;
ip->i_d.di_dmevmask = 0;
ip->i_d.di_forkoff = 0; /* mark the attr fork not in use */
@ -2439,7 +2419,7 @@ xfs_ifree(
* Bump the generation count so no one will be confused
* by reincarnations of this inode.
*/
ip->i_d.di_gen++;
VFS_I(ip)->i_generation++;
xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
if (xic.deleted)
@ -2526,7 +2506,7 @@ xfs_remove(
{
xfs_mount_t *mp = dp->i_mount;
xfs_trans_t *tp = NULL;
int is_dir = S_ISDIR(ip->i_d.di_mode);
int is_dir = S_ISDIR(VFS_I(ip)->i_mode);
int error = 0;
xfs_bmap_free_t free_list;
xfs_fsblock_t first_block;
@ -2580,8 +2560,8 @@ xfs_remove(
* If we're removing a directory perform some additional validation.
*/
if (is_dir) {
ASSERT(ip->i_d.di_nlink >= 2);
if (ip->i_d.di_nlink != 2) {
ASSERT(VFS_I(ip)->i_nlink >= 2);
if (VFS_I(ip)->i_nlink != 2) {
error = -ENOTEMPTY;
goto out_trans_cancel;
}
@ -2771,7 +2751,7 @@ xfs_cross_rename(
if (dp1 != dp2) {
dp2_flags = XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG;
if (S_ISDIR(ip2->i_d.di_mode)) {
if (S_ISDIR(VFS_I(ip2)->i_mode)) {
error = xfs_dir_replace(tp, ip2, &xfs_name_dotdot,
dp1->i_ino, first_block,
free_list, spaceres);
@ -2779,7 +2759,7 @@ xfs_cross_rename(
goto out_trans_abort;
/* transfer ip2 ".." reference to dp1 */
if (!S_ISDIR(ip1->i_d.di_mode)) {
if (!S_ISDIR(VFS_I(ip1)->i_mode)) {
error = xfs_droplink(tp, dp2);
if (error)
goto out_trans_abort;
@ -2798,7 +2778,7 @@ xfs_cross_rename(
ip2_flags |= XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG;
}
if (S_ISDIR(ip1->i_d.di_mode)) {
if (S_ISDIR(VFS_I(ip1)->i_mode)) {
error = xfs_dir_replace(tp, ip1, &xfs_name_dotdot,
dp2->i_ino, first_block,
free_list, spaceres);
@ -2806,7 +2786,7 @@ xfs_cross_rename(
goto out_trans_abort;
/* transfer ip1 ".." reference to dp2 */
if (!S_ISDIR(ip2->i_d.di_mode)) {
if (!S_ISDIR(VFS_I(ip2)->i_mode)) {
error = xfs_droplink(tp, dp1);
if (error)
goto out_trans_abort;
@ -2903,7 +2883,7 @@ xfs_rename(
struct xfs_inode *inodes[__XFS_SORT_INODES];
int num_inodes = __XFS_SORT_INODES;
bool new_parent = (src_dp != target_dp);
bool src_is_directory = S_ISDIR(src_ip->i_d.di_mode);
bool src_is_directory = S_ISDIR(VFS_I(src_ip)->i_mode);
int spaceres;
int error;
@ -3032,12 +3012,12 @@ xfs_rename(
* target and source are directories and that target can be
* destroyed, or that neither is a directory.
*/
if (S_ISDIR(target_ip->i_d.di_mode)) {
if (S_ISDIR(VFS_I(target_ip)->i_mode)) {
/*
* Make sure target dir is empty.
*/
if (!(xfs_dir_isempty(target_ip)) ||
(target_ip->i_d.di_nlink > 2)) {
(VFS_I(target_ip)->i_nlink > 2)) {
error = -EEXIST;
goto out_trans_cancel;
}
@ -3144,7 +3124,7 @@ xfs_rename(
* intermediate state on disk.
*/
if (wip) {
ASSERT(VFS_I(wip)->i_nlink == 0 && wip->i_d.di_nlink == 0);
ASSERT(VFS_I(wip)->i_nlink == 0);
error = xfs_bumplink(tp, wip);
if (error)
goto out_bmap_cancel;
@ -3313,7 +3293,7 @@ cluster_corrupt_out:
* mark it as stale and brelse.
*/
if (bp->b_iodone) {
XFS_BUF_UNDONE(bp);
bp->b_flags &= ~XBF_DONE;
xfs_buf_stale(bp);
xfs_buf_ioerror(bp, -EIO);
xfs_buf_ioend(bp);
@ -3462,14 +3442,7 @@ xfs_iflush_int(
__func__, ip->i_ino, be16_to_cpu(dip->di_magic), dip);
goto corrupt_out;
}
if (XFS_TEST_ERROR(ip->i_d.di_magic != XFS_DINODE_MAGIC,
mp, XFS_ERRTAG_IFLUSH_2, XFS_RANDOM_IFLUSH_2)) {
xfs_alert_tag(mp, XFS_PTAG_IFLUSH,
"%s: Bad inode %Lu, ptr 0x%p, magic number 0x%x",
__func__, ip->i_ino, ip, ip->i_d.di_magic);
goto corrupt_out;
}
if (S_ISREG(ip->i_d.di_mode)) {
if (S_ISREG(VFS_I(ip)->i_mode)) {
if (XFS_TEST_ERROR(
(ip->i_d.di_format != XFS_DINODE_FMT_EXTENTS) &&
(ip->i_d.di_format != XFS_DINODE_FMT_BTREE),
@ -3479,7 +3452,7 @@ xfs_iflush_int(
__func__, ip->i_ino, ip);
goto corrupt_out;
}
} else if (S_ISDIR(ip->i_d.di_mode)) {
} else if (S_ISDIR(VFS_I(ip)->i_mode)) {
if (XFS_TEST_ERROR(
(ip->i_d.di_format != XFS_DINODE_FMT_EXTENTS) &&
(ip->i_d.di_format != XFS_DINODE_FMT_BTREE) &&
@ -3523,12 +3496,11 @@ xfs_iflush_int(
ip->i_d.di_flushiter++;
/*
* Copy the dirty parts of the inode into the on-disk
* inode. We always copy out the core of the inode,
* because if the inode is dirty at all the core must
* be.
* Copy the dirty parts of the inode into the on-disk inode. We always
* copy out the core of the inode, because if the inode is dirty at all
* the core must be.
*/
xfs_dinode_to_disk(dip, &ip->i_d);
xfs_inode_to_disk(ip, dip, iip->ili_item.li_lsn);
/* Wrap, we never let the log put out DI_MAX_FLUSH */
if (ip->i_d.di_flushiter == DI_MAX_FLUSH)
@ -3580,10 +3552,6 @@ xfs_iflush_int(
*/
xfs_buf_attach_iodone(bp, xfs_iflush_done, &iip->ili_item);
/* update the lsn in the on disk inode if required */
if (ip->i_d.di_version == 3)
dip->di_lsn = cpu_to_be64(iip->ili_item.li_lsn);
/* generate the checksum. */
xfs_dinode_calc_crc(mp, dip);

10
fs/xfs/xfs_inode.h
View File

@ -63,7 +63,7 @@ typedef struct xfs_inode {
unsigned long i_flags; /* see defined flags below */
unsigned int i_delayed_blks; /* count of delay alloc blks */
xfs_icdinode_t i_d; /* most of ondisk inode */
struct xfs_icdinode i_d; /* most of ondisk inode */
/* VFS inode */
struct inode i_vnode; /* embedded VFS inode */
@ -88,7 +88,7 @@ static inline struct inode *VFS_I(struct xfs_inode *ip)
*/
static inline xfs_fsize_t XFS_ISIZE(struct xfs_inode *ip)
{
if (S_ISREG(ip->i_d.di_mode))
if (S_ISREG(VFS_I(ip)->i_mode))
return i_size_read(VFS_I(ip));
return ip->i_d.di_size;
}
@ -369,7 +369,7 @@ static inline int xfs_isiflocked(struct xfs_inode *ip)
*/
#define XFS_INHERIT_GID(pip) \
(((pip)->i_mount->m_flags & XFS_MOUNT_GRPID) || \
((pip)->i_d.di_mode & S_ISGID))
(VFS_I(pip)->i_mode & S_ISGID))
int xfs_release(struct xfs_inode *ip);
void xfs_inactive(struct xfs_inode *ip);
@ -405,8 +405,6 @@ int xfs_ifree(struct xfs_trans *, xfs_inode_t *,
struct xfs_bmap_free *);
int xfs_itruncate_extents(struct xfs_trans **, struct xfs_inode *,
int, xfs_fsize_t);
int xfs_iunlink(struct xfs_trans *, xfs_inode_t *);
void xfs_iext_realloc(xfs_inode_t *, int, int);
void xfs_iunpin_wait(xfs_inode_t *);
@ -437,6 +435,8 @@ int xfs_update_prealloc_flags(struct xfs_inode *ip,
int xfs_zero_eof(struct xfs_inode *ip, xfs_off_t offset,
xfs_fsize_t isize, bool *did_zeroing);
int xfs_iozero(struct xfs_inode *ip, loff_t pos, size_t count);
loff_t __xfs_seek_hole_data(struct inode *inode, loff_t start,
loff_t eof, int whence);
/* from xfs_iops.c */

82
fs/xfs/xfs_inode_item.c
View File

@ -135,7 +135,7 @@ xfs_inode_item_size(
*nvecs += 2;
*nbytes += sizeof(struct xfs_inode_log_format) +
xfs_icdinode_size(ip->i_d.di_version);
xfs_log_dinode_size(ip->i_d.di_version);
xfs_inode_item_data_fork_size(iip, nvecs, nbytes);
if (XFS_IFORK_Q(ip))
@ -322,6 +322,81 @@ xfs_inode_item_format_attr_fork(
}
}
static void
xfs_inode_to_log_dinode(
struct xfs_inode *ip,
struct xfs_log_dinode *to,
xfs_lsn_t lsn)
{
struct xfs_icdinode *from = &ip->i_d;
struct inode *inode = VFS_I(ip);
to->di_magic = XFS_DINODE_MAGIC;
to->di_version = from->di_version;
to->di_format = from->di_format;
to->di_uid = from->di_uid;
to->di_gid = from->di_gid;
to->di_projid_lo = from->di_projid_lo;
to->di_projid_hi = from->di_projid_hi;
memset(to->di_pad, 0, sizeof(to->di_pad));
memset(to->di_pad3, 0, sizeof(to->di_pad3));
to->di_atime.t_sec = inode->i_atime.tv_sec;
to->di_atime.t_nsec = inode->i_atime.tv_nsec;
to->di_mtime.t_sec = inode->i_mtime.tv_sec;
to->di_mtime.t_nsec = inode->i_mtime.tv_nsec;
to->di_ctime.t_sec = inode->i_ctime.tv_sec;
to->di_ctime.t_nsec = inode->i_ctime.tv_nsec;
to->di_nlink = inode->i_nlink;
to->di_gen = inode->i_generation;
to->di_mode = inode->i_mode;
to->di_size = from->di_size;
to->di_nblocks = from->di_nblocks;
to->di_extsize = from->di_extsize;
to->di_nextents = from->di_nextents;
to->di_anextents = from->di_anextents;
to->di_forkoff = from->di_forkoff;
to->di_aformat = from->di_aformat;
to->di_dmevmask = from->di_dmevmask;
to->di_dmstate = from->di_dmstate;
to->di_flags = from->di_flags;
if (from->di_version == 3) {
to->di_changecount = inode->i_version;
to->di_crtime.t_sec = from->di_crtime.t_sec;
to->di_crtime.t_nsec = from->di_crtime.t_nsec;
to->di_flags2 = from->di_flags2;
to->di_ino = ip->i_ino;
to->di_lsn = lsn;
memset(to->di_pad2, 0, sizeof(to->di_pad2));
uuid_copy(&to->di_uuid, &ip->i_mount->m_sb.sb_meta_uuid);
to->di_flushiter = 0;
} else {
to->di_flushiter = from->di_flushiter;
}
}
/*
* Format the inode core. Current timestamp data is only in the VFS inode
* fields, so we need to grab them from there. Hence rather than just copying
* the XFS inode core structure, format the fields directly into the iovec.
*/
static void
xfs_inode_item_format_core(
struct xfs_inode *ip,
struct xfs_log_vec *lv,
struct xfs_log_iovec **vecp)
{
struct xfs_log_dinode *dic;
dic = xlog_prepare_iovec(lv, vecp, XLOG_REG_TYPE_ICORE);
xfs_inode_to_log_dinode(ip, dic, ip->i_itemp->ili_item.li_lsn);
xlog_finish_iovec(lv, *vecp, xfs_log_dinode_size(ip->i_d.di_version));
}
/*
* This is called to fill in the vector of log iovecs for the given inode
* log item. It fills the first item with an inode log format structure,
@ -351,10 +426,7 @@ xfs_inode_item_format(
ilf->ilf_size = 2; /* format + core */
xlog_finish_iovec(lv, vecp, sizeof(struct xfs_inode_log_format));
xlog_copy_iovec(lv, &vecp, XLOG_REG_TYPE_ICORE,
&ip->i_d,
xfs_icdinode_size(ip->i_d.di_version));
xfs_inode_item_format_core(ip, lv, &vecp);
xfs_inode_item_format_data_fork(iip, ilf, lv, &vecp);
if (XFS_IFORK_Q(ip)) {
xfs_inode_item_format_attr_fork(iip, ilf, lv, &vecp);

121
fs/xfs/xfs_ioctl.c
View File

@ -114,7 +114,7 @@ xfs_find_handle(
handle.ha_fid.fid_len = sizeof(xfs_fid_t) -
sizeof(handle.ha_fid.fid_len);
handle.ha_fid.fid_pad = 0;
handle.ha_fid.fid_gen = ip->i_d.di_gen;
handle.ha_fid.fid_gen = inode->i_generation;
handle.ha_fid.fid_ino = ip->i_ino;
hsize = XFS_HSIZE(handle);
@ -963,7 +963,7 @@ xfs_set_diflags(
di_flags |= XFS_DIFLAG_NODEFRAG;
if (xflags & FS_XFLAG_FILESTREAM)
di_flags |= XFS_DIFLAG_FILESTREAM;
if (S_ISDIR(ip->i_d.di_mode)) {
if (S_ISDIR(VFS_I(ip)->i_mode)) {
if (xflags & FS_XFLAG_RTINHERIT)
di_flags |= XFS_DIFLAG_RTINHERIT;
if (xflags & FS_XFLAG_NOSYMLINKS)
@ -972,7 +972,7 @@ xfs_set_diflags(
di_flags |= XFS_DIFLAG_EXTSZINHERIT;
if (xflags & FS_XFLAG_PROJINHERIT)
di_flags |= XFS_DIFLAG_PROJINHERIT;
} else if (S_ISREG(ip->i_d.di_mode)) {
} else if (S_ISREG(VFS_I(ip)->i_mode)) {
if (xflags & FS_XFLAG_REALTIME)
di_flags |= XFS_DIFLAG_REALTIME;
if (xflags & FS_XFLAG_EXTSIZE)
@ -1059,24 +1059,87 @@ xfs_ioctl_setattr_xflags(
return 0;
}
/*
* If we are changing DAX flags, we have to ensure the file is clean and any
* cached objects in the address space are invalidated and removed. This
* requires us to lock out other IO and page faults similar to a truncate
* operation. The locks need to be held until the transaction has been committed
* so that the cache invalidation is atomic with respect to the DAX flag
* manipulation.
*/
static int
xfs_ioctl_setattr_dax_invalidate(
struct xfs_inode *ip,
struct fsxattr *fa,
int *join_flags)
{
struct inode *inode = VFS_I(ip);
int error;
*join_flags = 0;
/*
* It is only valid to set the DAX flag on regular files and
* directories on filesystems where the block size is equal to the page
* size. On directories it serves as an inherit hint.
*/
if (fa->fsx_xflags & FS_XFLAG_DAX) {
if (!(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode)))
return -EINVAL;
if (ip->i_mount->m_sb.sb_blocksize != PAGE_SIZE)
return -EINVAL;
}
/* If the DAX state is not changing, we have nothing to do here. */
if ((fa->fsx_xflags & FS_XFLAG_DAX) && IS_DAX(inode))
return 0;
if (!(fa->fsx_xflags & FS_XFLAG_DAX) && !IS_DAX(inode))
return 0;
/* lock, flush and invalidate mapping in preparation for flag change */
xfs_ilock(ip, XFS_MMAPLOCK_EXCL | XFS_IOLOCK_EXCL);
error = filemap_write_and_wait(inode->i_mapping);
if (error)
goto out_unlock;
error = invalidate_inode_pages2(inode->i_mapping);
if (error)
goto out_unlock;
*join_flags = XFS_MMAPLOCK_EXCL | XFS_IOLOCK_EXCL;
return 0;
out_unlock:
xfs_iunlock(ip, XFS_MMAPLOCK_EXCL | XFS_IOLOCK_EXCL);
return error;
}
/*
* Set up the transaction structure for the setattr operation, checking that we
* have permission to do so. On success, return a clean transaction and the
* inode locked exclusively ready for further operation specific checks. On
* failure, return an error without modifying or locking the inode.
*
* The inode might already be IO locked on call. If this is the case, it is
* indicated in @join_flags and we take full responsibility for ensuring they
* are unlocked from now on. Hence if we have an error here, we still have to
* unlock them. Otherwise, once they are joined to the transaction, they will
* be unlocked on commit/cancel.
*/
static struct xfs_trans *
xfs_ioctl_setattr_get_trans(
struct xfs_inode *ip)
struct xfs_inode *ip,
int join_flags)
{
struct xfs_mount *mp = ip->i_mount;
struct xfs_trans *tp;
int error;
int error = -EROFS;
if (mp->m_flags & XFS_MOUNT_RDONLY)
return ERR_PTR(-EROFS);
goto out_unlock;
error = -EIO;
if (XFS_FORCED_SHUTDOWN(mp))
return ERR_PTR(-EIO);
goto out_unlock;
tp = xfs_trans_alloc(mp, XFS_TRANS_SETATTR_NOT_SIZE);
error = xfs_trans_reserve(tp, &M_RES(mp)->tr_ichange, 0, 0);
@ -1084,7 +1147,8 @@ xfs_ioctl_setattr_get_trans(
goto out_cancel;
xfs_ilock(ip, XFS_ILOCK_EXCL);
xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL);
xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL | join_flags);
join_flags = 0;
/*
* CAP_FOWNER overrides the following restrictions:
@ -1104,6 +1168,9 @@ xfs_ioctl_setattr_get_trans(
out_cancel:
xfs_trans_cancel(tp);
out_unlock:
if (join_flags)
xfs_iunlock(ip, join_flags);
return ERR_PTR(error);
}
@ -1128,14 +1195,14 @@ xfs_ioctl_setattr_check_extsize(
{
struct xfs_mount *mp = ip->i_mount;
if ((fa->fsx_xflags & FS_XFLAG_EXTSIZE) && !S_ISREG(ip->i_d.di_mode))
if ((fa->fsx_xflags & FS_XFLAG_EXTSIZE) && !S_ISREG(VFS_I(ip)->i_mode))
return -EINVAL;
if ((fa->fsx_xflags & FS_XFLAG_EXTSZINHERIT) &&
!S_ISDIR(ip->i_d.di_mode))
!S_ISDIR(VFS_I(ip)->i_mode))
return -EINVAL;
if (S_ISREG(ip->i_d.di_mode) && ip->i_d.di_nextents &&
if (S_ISREG(VFS_I(ip)->i_mode) && ip->i_d.di_nextents &&
((ip->i_d.di_extsize << mp->m_sb.sb_blocklog) != fa->fsx_extsize))
return -EINVAL;
@ -1202,6 +1269,7 @@ xfs_ioctl_setattr(
struct xfs_dquot *pdqp = NULL;
struct xfs_dquot *olddquot = NULL;
int code;
int join_flags = 0;
trace_xfs_ioctl_setattr(ip);
@ -1225,7 +1293,18 @@ xfs_ioctl_setattr(
return code;
}
tp = xfs_ioctl_setattr_get_trans(ip);
/*
* Changing DAX config may require inode locking for mapping
* invalidation. These need to be held all the way to transaction commit
* or cancel time, so need to be passed through to
* xfs_ioctl_setattr_get_trans() so it can apply them to the join call
* appropriately.
*/
code = xfs_ioctl_setattr_dax_invalidate(ip, fa, &join_flags);
if (code)
goto error_free_dquots;
tp = xfs_ioctl_setattr_get_trans(ip, join_flags);
if (IS_ERR(tp)) {
code = PTR_ERR(tp);
goto error_free_dquots;
@ -1256,9 +1335,9 @@ xfs_ioctl_setattr(
* successful return from chown()
*/
if ((ip->i_d.di_mode & (S_ISUID|S_ISGID)) &&
if ((VFS_I(ip)->i_mode & (S_ISUID|S_ISGID)) &&
!capable_wrt_inode_uidgid(VFS_I(ip), CAP_FSETID))
ip->i_d.di_mode &= ~(S_ISUID|S_ISGID);
VFS_I(ip)->i_mode &= ~(S_ISUID|S_ISGID);
/* Change the ownerships and register project quota modifications */
if (xfs_get_projid(ip) != fa->fsx_projid) {
@ -1341,6 +1420,7 @@ xfs_ioc_setxflags(
struct xfs_trans *tp;
struct fsxattr fa;
unsigned int flags;
int join_flags = 0;
int error;
if (copy_from_user(&flags, arg, sizeof(flags)))
@ -1357,7 +1437,18 @@ xfs_ioc_setxflags(
if (error)
return error;
tp = xfs_ioctl_setattr_get_trans(ip);
/*
* Changing DAX config may require inode locking for mapping
* invalidation. These need to be held all the way to transaction commit
* or cancel time, so need to be passed through to
* xfs_ioctl_setattr_get_trans() so it can apply them to the join call
* appropriately.
*/
error = xfs_ioctl_setattr_dax_invalidate(ip, &fa, &join_flags);
if (error)
goto out_drop_write;
tp = xfs_ioctl_setattr_get_trans(ip, join_flags);
if (IS_ERR(tp)) {
error = PTR_ERR(tp);
goto out_drop_write;

59
fs/xfs/xfs_iops.c
View File

@ -459,8 +459,8 @@ xfs_vn_getattr(
stat->size = XFS_ISIZE(ip);
stat->dev = inode->i_sb->s_dev;
stat->mode = ip->i_d.di_mode;
stat->nlink = ip->i_d.di_nlink;
stat->mode = inode->i_mode;
stat->nlink = inode->i_nlink;
stat->uid = inode->i_uid;
stat->gid = inode->i_gid;
stat->ino = ip->i_ino;
@ -506,9 +506,6 @@ xfs_setattr_mode(
ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
ip->i_d.di_mode &= S_IFMT;
ip->i_d.di_mode |= mode & ~S_IFMT;
inode->i_mode &= S_IFMT;
inode->i_mode |= mode & ~S_IFMT;
}
@ -522,21 +519,12 @@ xfs_setattr_time(
ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
if (iattr->ia_valid & ATTR_ATIME) {
if (iattr->ia_valid & ATTR_ATIME)
inode->i_atime = iattr->ia_atime;
ip->i_d.di_atime.t_sec = iattr->ia_atime.tv_sec;
ip->i_d.di_atime.t_nsec = iattr->ia_atime.tv_nsec;
}
if (iattr->ia_valid & ATTR_CTIME) {
if (iattr->ia_valid & ATTR_CTIME)
inode->i_ctime = iattr->ia_ctime;
ip->i_d.di_ctime.t_sec = iattr->ia_ctime.tv_sec;
ip->i_d.di_ctime.t_nsec = iattr->ia_ctime.tv_nsec;
}
if (iattr->ia_valid & ATTR_MTIME) {
if (iattr->ia_valid & ATTR_MTIME)
inode->i_mtime = iattr->ia_mtime;
ip->i_d.di_mtime.t_sec = iattr->ia_mtime.tv_sec;
ip->i_d.di_mtime.t_nsec = iattr->ia_mtime.tv_nsec;
}
}
int
@ -661,9 +649,9 @@ xfs_setattr_nonsize(
* The set-user-ID and set-group-ID bits of a file will be
* cleared upon successful return from chown()
*/
if ((ip->i_d.di_mode & (S_ISUID|S_ISGID)) &&
if ((inode->i_mode & (S_ISUID|S_ISGID)) &&
!capable(CAP_FSETID))
ip->i_d.di_mode &= ~(S_ISUID|S_ISGID);
inode->i_mode &= ~(S_ISUID|S_ISGID);
/*
* Change the ownerships and register quota modifications
@ -773,7 +761,7 @@ xfs_setattr_size(
ASSERT(xfs_isilocked(ip, XFS_IOLOCK_EXCL));
ASSERT(xfs_isilocked(ip, XFS_MMAPLOCK_EXCL));
ASSERT(S_ISREG(ip->i_d.di_mode));
ASSERT(S_ISREG(inode->i_mode));
ASSERT((iattr->ia_valid & (ATTR_UID|ATTR_GID|ATTR_ATIME|ATTR_ATIME_SET|
ATTR_MTIME_SET|ATTR_KILL_PRIV|ATTR_TIMES_SET)) == 0);
@ -991,21 +979,13 @@ xfs_vn_update_time(
}
xfs_ilock(ip, XFS_ILOCK_EXCL);
if (flags & S_CTIME) {
if (flags & S_CTIME)
inode->i_ctime = *now;
ip->i_d.di_ctime.t_sec = (__int32_t)now->tv_sec;
ip->i_d.di_ctime.t_nsec = (__int32_t)now->tv_nsec;
}
if (flags & S_MTIME) {
if (flags & S_MTIME)
inode->i_mtime = *now;
ip->i_d.di_mtime.t_sec = (__int32_t)now->tv_sec;
ip->i_d.di_mtime.t_nsec = (__int32_t)now->tv_nsec;
}
if (flags & S_ATIME) {
if (flags & S_ATIME)
inode->i_atime = *now;
ip->i_d.di_atime.t_sec = (__int32_t)now->tv_sec;
ip->i_d.di_atime.t_nsec = (__int32_t)now->tv_nsec;
}
xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL);
xfs_trans_log_inode(tp, ip, XFS_ILOG_TIMESTAMP);
return xfs_trans_commit(tp);
@ -1205,8 +1185,10 @@ xfs_diflags_to_iflags(
inode->i_flags |= S_SYNC;
if (flags & XFS_DIFLAG_NOATIME)
inode->i_flags |= S_NOATIME;
if (ip->i_mount->m_flags & XFS_MOUNT_DAX ||
ip->i_d.di_flags2 & XFS_DIFLAG2_DAX)
if (S_ISREG(inode->i_mode) &&
ip->i_mount->m_sb.sb_blocksize == PAGE_SIZE &&
(ip->i_mount->m_flags & XFS_MOUNT_DAX ||
ip->i_d.di_flags2 & XFS_DIFLAG2_DAX))
inode->i_flags |= S_DAX;
}
@ -1232,8 +1214,6 @@ xfs_setup_inode(
/* make the inode look hashed for the writeback code */
hlist_add_fake(&inode->i_hash);
inode->i_mode = ip->i_d.di_mode;
set_nlink(inode, ip->i_d.di_nlink);
inode->i_uid = xfs_uid_to_kuid(ip->i_d.di_uid);
inode->i_gid = xfs_gid_to_kgid(ip->i_d.di_gid);
@ -1249,14 +1229,7 @@ xfs_setup_inode(
break;
}
inode->i_generation = ip->i_d.di_gen;
i_size_write(inode, ip->i_d.di_size);
inode->i_atime.tv_sec = ip->i_d.di_atime.t_sec;
inode->i_atime.tv_nsec = ip->i_d.di_atime.t_nsec;
inode->i_mtime.tv_sec = ip->i_d.di_mtime.t_sec;
inode->i_mtime.tv_nsec = ip->i_d.di_mtime.t_nsec;
inode->i_ctime.tv_sec = ip->i_d.di_ctime.t_sec;
inode->i_ctime.tv_nsec = ip->i_d.di_ctime.t_nsec;
xfs_diflags_to_iflags(inode, ip);
ip->d_ops = ip->i_mount->m_nondir_inode_ops;

22
fs/xfs/xfs_itable.c
View File

@ -57,6 +57,7 @@ xfs_bulkstat_one_int(
{
struct xfs_icdinode *dic; /* dinode core info pointer */
struct xfs_inode *ip; /* incore inode pointer */
struct inode *inode;
struct xfs_bstat *buf; /* return buffer */
int error = 0; /* error value */
@ -77,30 +78,33 @@ xfs_bulkstat_one_int(
ASSERT(ip != NULL);
ASSERT(ip->i_imap.im_blkno != 0);
inode = VFS_I(ip);
dic = &ip->i_d;
/* xfs_iget returns the following without needing
* further change.
*/
buf->bs_nlink = dic->di_nlink;
buf->bs_projid_lo = dic->di_projid_lo;
buf->bs_projid_hi = dic->di_projid_hi;
buf->bs_ino = ino;
buf->bs_mode = dic->di_mode;
buf->bs_uid = dic->di_uid;
buf->bs_gid = dic->di_gid;
buf->bs_size = dic->di_size;
buf->bs_atime.tv_sec = dic->di_atime.t_sec;
buf->bs_atime.tv_nsec = dic->di_atime.t_nsec;
buf->bs_mtime.tv_sec = dic->di_mtime.t_sec;
buf->bs_mtime.tv_nsec = dic->di_mtime.t_nsec;
buf->bs_ctime.tv_sec = dic->di_ctime.t_sec;
buf->bs_ctime.tv_nsec = dic->di_ctime.t_nsec;
buf->bs_nlink = inode->i_nlink;
buf->bs_atime.tv_sec = inode->i_atime.tv_sec;
buf->bs_atime.tv_nsec = inode->i_atime.tv_nsec;
buf->bs_mtime.tv_sec = inode->i_mtime.tv_sec;
buf->bs_mtime.tv_nsec = inode->i_mtime.tv_nsec;
buf->bs_ctime.tv_sec = inode->i_ctime.tv_sec;
buf->bs_ctime.tv_nsec = inode->i_ctime.tv_nsec;
buf->bs_gen = inode->i_generation;
buf->bs_mode = inode->i_mode;
buf->bs_xflags = xfs_ip2xflags(ip);
buf->bs_extsize = dic->di_extsize << mp->m_sb.sb_blocklog;
buf->bs_extents = dic->di_nextents;
buf->bs_gen = dic->di_gen;
memset(buf->bs_pad, 0, sizeof(buf->bs_pad));
buf->bs_dmevmask = dic->di_dmevmask;
buf->bs_dmstate = dic->di_dmstate;

152
fs/xfs/xfs_log.c
View File

@ -1212,7 +1212,7 @@ xlog_iodone(xfs_buf_t *bp)
}
/* log I/O is always issued ASYNC */
ASSERT(XFS_BUF_ISASYNC(bp));
ASSERT(bp->b_flags & XBF_ASYNC);
xlog_state_done_syncing(iclog, aborted);
/*
@ -1864,9 +1864,8 @@ xlog_sync(
bp->b_io_length = BTOBB(count);
bp->b_fspriv = iclog;
XFS_BUF_ZEROFLAGS(bp);
XFS_BUF_ASYNC(bp);
bp->b_flags |= XBF_SYNCIO;
bp->b_flags &= ~(XBF_FUA | XBF_FLUSH);
bp->b_flags |= (XBF_ASYNC | XBF_SYNCIO | XBF_WRITE);
if (log->l_mp->m_flags & XFS_MOUNT_BARRIER) {
bp->b_flags |= XBF_FUA;
@ -1893,12 +1892,11 @@ xlog_sync(
/* account for log which doesn't start at block #0 */
XFS_BUF_SET_ADDR(bp, XFS_BUF_ADDR(bp) + log->l_logBBstart);
/*
* Don't call xfs_bwrite here. We do log-syncs even when the filesystem
* is shutting down.
*/
XFS_BUF_WRITE(bp);
error = xlog_bdstrat(bp);
if (error) {
xfs_buf_ioerror_alert(bp, "xlog_sync");
@ -1910,9 +1908,8 @@ xlog_sync(
xfs_buf_associate_memory(bp,
(char *)&iclog->ic_header + count, split);
bp->b_fspriv = iclog;
XFS_BUF_ZEROFLAGS(bp);
XFS_BUF_ASYNC(bp);
bp->b_flags |= XBF_SYNCIO;
bp->b_flags &= ~(XBF_FUA | XBF_FLUSH);
bp->b_flags |= (XBF_ASYNC | XBF_SYNCIO | XBF_WRITE);
if (log->l_mp->m_flags & XFS_MOUNT_BARRIER)
bp->b_flags |= XBF_FUA;
@ -1921,7 +1918,6 @@ xlog_sync(
/* account for internal log which doesn't start at block #0 */
XFS_BUF_SET_ADDR(bp, XFS_BUF_ADDR(bp) + log->l_logBBstart);
XFS_BUF_WRITE(bp);
error = xlog_bdstrat(bp);
if (error) {
xfs_buf_ioerror_alert(bp, "xlog_sync (split)");
@ -2012,77 +2008,81 @@ xlog_print_tic_res(
uint ophdr_spc = ticket->t_res_num_ophdrs * (uint)sizeof(xlog_op_header_t);
/* match with XLOG_REG_TYPE_* in xfs_log.h */
static char *res_type_str[XLOG_REG_TYPE_MAX] = {
"bformat",
"bchunk",
"efi_format",
"efd_format",
"iformat",
"icore",
"iext",
"ibroot",
"ilocal",
"iattr_ext",
"iattr_broot",
"iattr_local",
"qformat",
"dquot",
"quotaoff",
"LR header",
"unmount",
"commit",
"trans header"
#define REG_TYPE_STR(type, str) [XLOG_REG_TYPE_##type] = str
static char *res_type_str[XLOG_REG_TYPE_MAX + 1] = {
REG_TYPE_STR(BFORMAT, "bformat"),
REG_TYPE_STR(BCHUNK, "bchunk"),
REG_TYPE_STR(EFI_FORMAT, "efi_format"),
REG_TYPE_STR(EFD_FORMAT, "efd_format"),
REG_TYPE_STR(IFORMAT, "iformat"),
REG_TYPE_STR(ICORE, "icore"),
REG_TYPE_STR(IEXT, "iext"),
REG_TYPE_STR(IBROOT, "ibroot"),
REG_TYPE_STR(ILOCAL, "ilocal"),
REG_TYPE_STR(IATTR_EXT, "iattr_ext"),
REG_TYPE_STR(IATTR_BROOT, "iattr_broot"),
REG_TYPE_STR(IATTR_LOCAL, "iattr_local"),
REG_TYPE_STR(QFORMAT, "qformat"),
REG_TYPE_STR(DQUOT, "dquot"),
REG_TYPE_STR(QUOTAOFF, "quotaoff"),
REG_TYPE_STR(LRHEADER, "LR header"),
REG_TYPE_STR(UNMOUNT, "unmount"),
REG_TYPE_STR(COMMIT, "commit"),
REG_TYPE_STR(TRANSHDR, "trans header"),
REG_TYPE_STR(ICREATE, "inode create")
};
#undef REG_TYPE_STR
#define TRANS_TYPE_STR(type) [XFS_TRANS_##type] = #type
static char *trans_type_str[XFS_TRANS_TYPE_MAX] = {
"SETATTR_NOT_SIZE",
"SETATTR_SIZE",
"INACTIVE",
"CREATE",
"CREATE_TRUNC",
"TRUNCATE_FILE",
"REMOVE",
"LINK",
"RENAME",
"MKDIR",
"RMDIR",
"SYMLINK",
"SET_DMATTRS",
"GROWFS",
"STRAT_WRITE",
"DIOSTRAT",
"WRITE_SYNC",
"WRITEID",
"ADDAFORK",
"ATTRINVAL",
"ATRUNCATE",
"ATTR_SET",
"ATTR_RM",
"ATTR_FLAG",
"CLEAR_AGI_BUCKET",
"QM_SBCHANGE",
"DUMMY1",
"DUMMY2",
"QM_QUOTAOFF",
"QM_DQALLOC",
"QM_SETQLIM",
"QM_DQCLUSTER",
"QM_QINOCREATE",
"QM_QUOTAOFF_END",
"FSYNC_TS",
"GROWFSRT_ALLOC",
"GROWFSRT_ZERO",
"GROWFSRT_FREE",
"SWAPEXT",
"CHECKPOINT",
"ICREATE",
"CREATE_TMPFILE"
TRANS_TYPE_STR(SETATTR_NOT_SIZE),
TRANS_TYPE_STR(SETATTR_SIZE),
TRANS_TYPE_STR(INACTIVE),
TRANS_TYPE_STR(CREATE),
TRANS_TYPE_STR(CREATE_TRUNC),
TRANS_TYPE_STR(TRUNCATE_FILE),
TRANS_TYPE_STR(REMOVE),
TRANS_TYPE_STR(LINK),
TRANS_TYPE_STR(RENAME),
TRANS_TYPE_STR(MKDIR),
TRANS_TYPE_STR(RMDIR),
TRANS_TYPE_STR(SYMLINK),
TRANS_TYPE_STR(SET_DMATTRS),
TRANS_TYPE_STR(GROWFS),
TRANS_TYPE_STR(STRAT_WRITE),
TRANS_TYPE_STR(DIOSTRAT),
TRANS_TYPE_STR(WRITEID),
TRANS_TYPE_STR(ADDAFORK),
TRANS_TYPE_STR(ATTRINVAL),
TRANS_TYPE_STR(ATRUNCATE),
TRANS_TYPE_STR(ATTR_SET),
TRANS_TYPE_STR(ATTR_RM),
TRANS_TYPE_STR(ATTR_FLAG),
TRANS_TYPE_STR(CLEAR_AGI_BUCKET),
TRANS_TYPE_STR(SB_CHANGE),
TRANS_TYPE_STR(DUMMY1),
TRANS_TYPE_STR(DUMMY2),
TRANS_TYPE_STR(QM_QUOTAOFF),
TRANS_TYPE_STR(QM_DQALLOC),
TRANS_TYPE_STR(QM_SETQLIM),
TRANS_TYPE_STR(QM_DQCLUSTER),
TRANS_TYPE_STR(QM_QINOCREATE),
TRANS_TYPE_STR(QM_QUOTAOFF_END),
TRANS_TYPE_STR(FSYNC_TS),
TRANS_TYPE_STR(GROWFSRT_ALLOC),
TRANS_TYPE_STR(GROWFSRT_ZERO),
TRANS_TYPE_STR(GROWFSRT_FREE),
TRANS_TYPE_STR(SWAPEXT),
TRANS_TYPE_STR(CHECKPOINT),
TRANS_TYPE_STR(ICREATE),
TRANS_TYPE_STR(CREATE_TMPFILE)
};
#undef TRANS_TYPE_STR
xfs_warn(mp, "xlog_write: reservation summary:");
xfs_warn(mp, " trans type = %s (%u)",
((ticket->t_trans_type <= 0 ||
ticket->t_trans_type > XFS_TRANS_TYPE_MAX) ?
"bad-trans-type" : trans_type_str[ticket->t_trans_type-1]),
"bad-trans-type" : trans_type_str[ticket->t_trans_type]),
ticket->t_trans_type);
xfs_warn(mp, " unit res = %d bytes",
ticket->t_unit_res);
@ -2101,7 +2101,7 @@ xlog_print_tic_res(
uint r_type = ticket->t_res_arr[i].r_type;
xfs_warn(mp, "region[%u]: %s - %u bytes", i,
((r_type <= 0 || r_type > XLOG_REG_TYPE_MAX) ?
"bad-rtype" : res_type_str[r_type-1]),
"bad-rtype" : res_type_str[r_type]),
ticket->t_res_arr[i].r_len);
}
@ -3979,7 +3979,7 @@ xfs_log_force_umount(
log->l_flags & XLOG_ACTIVE_RECOVERY) {
mp->m_flags |= XFS_MOUNT_FS_SHUTDOWN;
if (mp->m_sb_bp)
XFS_BUF_DONE(mp->m_sb_bp);
mp->m_sb_bp->b_flags |= XBF_DONE;
return 0;
}
@ -4009,7 +4009,7 @@ xfs_log_force_umount(
spin_lock(&log->l_icloglock);
mp->m_flags |= XFS_MOUNT_FS_SHUTDOWN;
if (mp->m_sb_bp)
XFS_BUF_DONE(mp->m_sb_bp);
mp->m_sb_bp->b_flags |= XBF_DONE;
/*
* Mark the log and the iclogs with IO error flags to prevent any

97
fs/xfs/xfs_log_recover.c
View File

@ -190,7 +190,7 @@ xlog_bread_noalign(
ASSERT(nbblks <= bp->b_length);
XFS_BUF_SET_ADDR(bp, log->l_logBBstart + blk_no);
XFS_BUF_READ(bp);
bp->b_flags |= XBF_READ;
bp->b_io_length = nbblks;
bp->b_error = 0;
@ -275,7 +275,6 @@ xlog_bwrite(
ASSERT(nbblks <= bp->b_length);
XFS_BUF_SET_ADDR(bp, log->l_logBBstart + blk_no);
XFS_BUF_ZEROFLAGS(bp);
xfs_buf_hold(bp);
xfs_buf_lock(bp);
bp->b_io_length = nbblks;
@ -2538,6 +2537,13 @@ xlog_recover_validate_buf_type(
}
bp->b_ops = &xfs_sb_buf_ops;
break;
#ifdef CONFIG_XFS_RT
case XFS_BLFT_RTBITMAP_BUF:
case XFS_BLFT_RTSUMMARY_BUF:
/* no magic numbers for verification of RT buffers */
bp->b_ops = &xfs_rtbuf_ops;
break;
#endif /* CONFIG_XFS_RT */
default:
xfs_warn(mp, "Unknown buffer type %d!",
xfs_blft_from_flags(buf_f));
@ -2858,7 +2864,7 @@ xfs_recover_inode_owner_change(
return -ENOMEM;
/* instantiate the inode */
xfs_dinode_from_disk(&ip->i_d, dip);
xfs_inode_from_disk(ip, dip);
ASSERT(ip->i_d.di_version >= 3);
error = xfs_iformat_fork(ip, dip);
@ -2904,7 +2910,7 @@ xlog_recover_inode_pass2(
int error;
int attr_index;
uint fields;
xfs_icdinode_t *dicp;
struct xfs_log_dinode *ldip;
uint isize;
int need_free = 0;
@ -2957,8 +2963,8 @@ xlog_recover_inode_pass2(
error = -EFSCORRUPTED;
goto out_release;
}
dicp = item->ri_buf[1].i_addr;
if (unlikely(dicp->di_magic != XFS_DINODE_MAGIC)) {
ldip = item->ri_buf[1].i_addr;
if (unlikely(ldip->di_magic != XFS_DINODE_MAGIC)) {
xfs_alert(mp,
"%s: Bad inode log record, rec ptr 0x%p, ino %Ld",
__func__, item, in_f->ilf_ino);
@ -2994,13 +3000,13 @@ xlog_recover_inode_pass2(
* to skip replay when the on disk inode is newer than the log one
*/
if (!xfs_sb_version_hascrc(&mp->m_sb) &&
dicp->di_flushiter < be16_to_cpu(dip->di_flushiter)) {
ldip->di_flushiter < be16_to_cpu(dip->di_flushiter)) {
/*
* Deal with the wrap case, DI_MAX_FLUSH is less
* than smaller numbers
*/
if (be16_to_cpu(dip->di_flushiter) == DI_MAX_FLUSH &&
dicp->di_flushiter < (DI_MAX_FLUSH >> 1)) {
ldip->di_flushiter < (DI_MAX_FLUSH >> 1)) {
/* do nothing */
} else {
trace_xfs_log_recover_inode_skip(log, in_f);
@ -3010,13 +3016,13 @@ xlog_recover_inode_pass2(
}
/* Take the opportunity to reset the flush iteration count */
dicp->di_flushiter = 0;
ldip->di_flushiter = 0;
if (unlikely(S_ISREG(dicp->di_mode))) {
if ((dicp->di_format != XFS_DINODE_FMT_EXTENTS) &&
(dicp->di_format != XFS_DINODE_FMT_BTREE)) {
if (unlikely(S_ISREG(ldip->di_mode))) {
if ((ldip->di_format != XFS_DINODE_FMT_EXTENTS) &&
(ldip->di_format != XFS_DINODE_FMT_BTREE)) {
XFS_CORRUPTION_ERROR("xlog_recover_inode_pass2(3)",
XFS_ERRLEVEL_LOW, mp, dicp);
XFS_ERRLEVEL_LOW, mp, ldip);
xfs_alert(mp,
"%s: Bad regular inode log record, rec ptr 0x%p, "
"ino ptr = 0x%p, ino bp = 0x%p, ino %Ld",
@ -3024,12 +3030,12 @@ xlog_recover_inode_pass2(
error = -EFSCORRUPTED;
goto out_release;
}
} else if (unlikely(S_ISDIR(dicp->di_mode))) {
if ((dicp->di_format != XFS_DINODE_FMT_EXTENTS) &&
(dicp->di_format != XFS_DINODE_FMT_BTREE) &&
(dicp->di_format != XFS_DINODE_FMT_LOCAL)) {
} else if (unlikely(S_ISDIR(ldip->di_mode))) {
if ((ldip->di_format != XFS_DINODE_FMT_EXTENTS) &&
(ldip->di_format != XFS_DINODE_FMT_BTREE) &&
(ldip->di_format != XFS_DINODE_FMT_LOCAL)) {
XFS_CORRUPTION_ERROR("xlog_recover_inode_pass2(4)",
XFS_ERRLEVEL_LOW, mp, dicp);
XFS_ERRLEVEL_LOW, mp, ldip);
xfs_alert(mp,
"%s: Bad dir inode log record, rec ptr 0x%p, "
"ino ptr = 0x%p, ino bp = 0x%p, ino %Ld",
@ -3038,32 +3044,32 @@ xlog_recover_inode_pass2(
goto out_release;
}
}
if (unlikely(dicp->di_nextents + dicp->di_anextents > dicp->di_nblocks)){
if (unlikely(ldip->di_nextents + ldip->di_anextents > ldip->di_nblocks)){
XFS_CORRUPTION_ERROR("xlog_recover_inode_pass2(5)",
XFS_ERRLEVEL_LOW, mp, dicp);
XFS_ERRLEVEL_LOW, mp, ldip);
xfs_alert(mp,
"%s: Bad inode log record, rec ptr 0x%p, dino ptr 0x%p, "
"dino bp 0x%p, ino %Ld, total extents = %d, nblocks = %Ld",
__func__, item, dip, bp, in_f->ilf_ino,
dicp->di_nextents + dicp->di_anextents,
dicp->di_nblocks);
ldip->di_nextents + ldip->di_anextents,
ldip->di_nblocks);
error = -EFSCORRUPTED;
goto out_release;
}
if (unlikely(dicp->di_forkoff > mp->m_sb.sb_inodesize)) {
if (unlikely(ldip->di_forkoff > mp->m_sb.sb_inodesize)) {
XFS_CORRUPTION_ERROR("xlog_recover_inode_pass2(6)",
XFS_ERRLEVEL_LOW, mp, dicp);
XFS_ERRLEVEL_LOW, mp, ldip);
xfs_alert(mp,
"%s: Bad inode log record, rec ptr 0x%p, dino ptr 0x%p, "
"dino bp 0x%p, ino %Ld, forkoff 0x%x", __func__,
item, dip, bp, in_f->ilf_ino, dicp->di_forkoff);
item, dip, bp, in_f->ilf_ino, ldip->di_forkoff);
error = -EFSCORRUPTED;
goto out_release;
}
isize = xfs_icdinode_size(dicp->di_version);
isize = xfs_log_dinode_size(ldip->di_version);
if (unlikely(item->ri_buf[1].i_len > isize)) {
XFS_CORRUPTION_ERROR("xlog_recover_inode_pass2(7)",
XFS_ERRLEVEL_LOW, mp, dicp);
XFS_ERRLEVEL_LOW, mp, ldip);
xfs_alert(mp,
"%s: Bad inode log record length %d, rec ptr 0x%p",
__func__, item->ri_buf[1].i_len, item);
@ -3071,8 +3077,8 @@ xlog_recover_inode_pass2(
goto out_release;
}
/* The core is in in-core format */
xfs_dinode_to_disk(dip, dicp);
/* recover the log dinode inode into the on disk inode */
xfs_log_dinode_to_disk(ldip, dip);
/* the rest is in on-disk format */
if (item->ri_buf[1].i_len > isize) {
@ -4402,8 +4408,8 @@ xlog_recover_process_one_iunlink(
if (error)
goto fail_iput;
ASSERT(ip->i_d.di_nlink == 0);
ASSERT(ip->i_d.di_mode != 0);
ASSERT(VFS_I(ip)->i_nlink == 0);
ASSERT(VFS_I(ip)->i_mode != 0);
/* setup for the next pass */
agino = be32_to_cpu(dip->di_next_unlinked);
@ -4957,6 +4963,7 @@ xlog_do_recover(
xfs_daddr_t head_blk,
xfs_daddr_t tail_blk)
{
struct xfs_mount *mp = log->l_mp;
int error;
xfs_buf_t *bp;
xfs_sb_t *sbp;
@ -4971,7 +4978,7 @@ xlog_do_recover(
/*
* If IO errors happened during recovery, bail out.
*/
if (XFS_FORCED_SHUTDOWN(log->l_mp)) {
if (XFS_FORCED_SHUTDOWN(mp)) {
return -EIO;
}
@ -4984,22 +4991,21 @@ xlog_do_recover(
* or iunlinks they will have some entries in the AIL; so we look at
* the AIL to determine how to set the tail_lsn.
*/
xlog_assign_tail_lsn(log->l_mp);
xlog_assign_tail_lsn(mp);
/*
* Now that we've finished replaying all buffer and inode
* updates, re-read in the superblock and reverify it.
*/
bp = xfs_getsb(log->l_mp, 0);
XFS_BUF_UNDONE(bp);
ASSERT(!(XFS_BUF_ISWRITE(bp)));
XFS_BUF_READ(bp);
XFS_BUF_UNASYNC(bp);
bp = xfs_getsb(mp, 0);
bp->b_flags &= ~(XBF_DONE | XBF_ASYNC);
ASSERT(!(bp->b_flags & XBF_WRITE));
bp->b_flags |= XBF_READ;
bp->b_ops = &xfs_sb_buf_ops;
error = xfs_buf_submit_wait(bp);
if (error) {
if (!XFS_FORCED_SHUTDOWN(log->l_mp)) {
if (!XFS_FORCED_SHUTDOWN(mp)) {
xfs_buf_ioerror_alert(bp, __func__);
ASSERT(0);
}
@ -5008,14 +5014,17 @@ xlog_do_recover(
}
/* Convert superblock from on-disk format */
sbp = &log->l_mp->m_sb;
sbp = &mp->m_sb;
xfs_sb_from_disk(sbp, XFS_BUF_TO_SBP(bp));
ASSERT(sbp->sb_magicnum == XFS_SB_MAGIC);
ASSERT(xfs_sb_good_version(sbp));
xfs_reinit_percpu_counters(log->l_mp);
xfs_buf_relse(bp);
/* re-initialise in-core superblock and geometry structures */
xfs_reinit_percpu_counters(mp);
error = xfs_initialize_perag(mp, sbp->sb_agcount, &mp->m_maxagi);
if (error) {
xfs_warn(mp, "Failed post-recovery per-ag init: %d", error);
return error;
}
xlog_recover_check_summary(log);

24
fs/xfs/xfs_mount.c
View File

@ -185,9 +185,6 @@ xfs_initialize_perag(
xfs_agnumber_t index;
xfs_agnumber_t first_initialised = 0;
xfs_perag_t *pag;
xfs_agino_t agino;
xfs_ino_t ino;
xfs_sb_t *sbp = &mp->m_sb;
int error = -ENOMEM;
/*
@ -230,22 +227,7 @@ xfs_initialize_perag(
radix_tree_preload_end();
}
/*
* If we mount with the inode64 option, or no inode overflows
* the legacy 32-bit address space clear the inode32 option.
*/
agino = XFS_OFFBNO_TO_AGINO(mp, sbp->sb_agblocks - 1, 0);
ino = XFS_AGINO_TO_INO(mp, agcount - 1, agino);
if ((mp->m_flags & XFS_MOUNT_SMALL_INUMS) && ino > XFS_MAXINUMBER_32)
mp->m_flags |= XFS_MOUNT_32BITINODES;
else
mp->m_flags &= ~XFS_MOUNT_32BITINODES;
if (mp->m_flags & XFS_MOUNT_32BITINODES)
index = xfs_set_inode32(mp, agcount);
else
index = xfs_set_inode64(mp, agcount);
index = xfs_set_inode_alloc(mp, agcount);
if (maxagi)
*maxagi = index;
@ -865,7 +847,7 @@ xfs_mountfs(
ASSERT(rip != NULL);
if (unlikely(!S_ISDIR(rip->i_d.di_mode))) {
if (unlikely(!S_ISDIR(VFS_I(rip)->i_mode))) {
xfs_warn(mp, "corrupted root inode %llu: not a directory",
(unsigned long long)rip->i_ino);
xfs_iunlock(rip, XFS_ILOCK_EXCL);
@ -1284,7 +1266,7 @@ xfs_getsb(
}
xfs_buf_hold(bp);
ASSERT(XFS_BUF_ISDONE(bp));
ASSERT(bp->b_flags & XBF_DONE);
return bp;
}

31
fs/xfs/xfs_mount.h
View File

@ -147,6 +147,17 @@ typedef struct xfs_mount {
* to various other kinds of pain inflicted on the pNFS server.
*/
__uint32_t m_generation;
#ifdef DEBUG
/*
* DEBUG mode instrumentation to test and/or trigger delayed allocation
* block killing in the event of failed writes. When enabled, all
* buffered writes are forced to fail. All delalloc blocks in the range
* of the write (including pre-existing delalloc blocks!) are tossed as
* part of the write failure error handling sequence.
*/
bool m_fail_writes;
#endif
} xfs_mount_t;
/*
@ -166,9 +177,8 @@ typedef struct xfs_mount {
#define XFS_MOUNT_GRPID (1ULL << 9) /* group-ID assigned from directory */
#define XFS_MOUNT_NORECOVERY (1ULL << 10) /* no recovery - dirty fs */
#define XFS_MOUNT_DFLT_IOSIZE (1ULL << 12) /* set default i/o size */
#define XFS_MOUNT_32BITINODES (1ULL << 14) /* do not create inodes above
* 32 bits in size */
#define XFS_MOUNT_SMALL_INUMS (1ULL << 15) /* users wants 32bit inodes */
#define XFS_MOUNT_SMALL_INUMS (1ULL << 14) /* user wants 32bit inodes */
#define XFS_MOUNT_32BITINODES (1ULL << 15) /* inode32 allocator active */
#define XFS_MOUNT_NOUUID (1ULL << 16) /* ignore uuid during mount */
#define XFS_MOUNT_BARRIER (1ULL << 17)
#define XFS_MOUNT_IKEEP (1ULL << 18) /* keep empty inode clusters*/
@ -264,6 +274,20 @@ xfs_daddr_to_agbno(struct xfs_mount *mp, xfs_daddr_t d)
return (xfs_agblock_t) do_div(ld, mp->m_sb.sb_agblocks);
}
#ifdef DEBUG
static inline bool
xfs_mp_fail_writes(struct xfs_mount *mp)
{
return mp->m_fail_writes;
}
#else
static inline bool
xfs_mp_fail_writes(struct xfs_mount *mp)
{
return 0;
}
#endif
/*
* Per-ag incore structure, copies of information in agf and agi, to improve the
* performance of allocation group selection.
@ -327,7 +351,6 @@ extern int xfs_mod_fdblocks(struct xfs_mount *mp, int64_t delta,
bool reserved);
extern int xfs_mod_frextents(struct xfs_mount *mp, int64_t delta);
extern int xfs_mount_log_sb(xfs_mount_t *);
extern struct xfs_buf *xfs_getsb(xfs_mount_t *, int);
extern int xfs_readsb(xfs_mount_t *, int);
extern void xfs_freesb(xfs_mount_t *);

117
fs/xfs/xfs_ondisk.h Normal file
View File

@ -0,0 +1,117 @@
/*
* Copyright (c) 2016 Oracle.
* All Rights Reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it would be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef __XFS_ONDISK_H
#define __XFS_ONDISK_H
#define XFS_CHECK_STRUCT_SIZE(structname, size) \
BUILD_BUG_ON_MSG(sizeof(structname) != (size), "XFS: sizeof(" \
#structname ") is wrong, expected " #size)
static inline void __init
xfs_check_ondisk_structs(void)
{
/* ag/file structures */
XFS_CHECK_STRUCT_SIZE(struct xfs_acl, 4);
XFS_CHECK_STRUCT_SIZE(struct xfs_acl_entry, 12);
XFS_CHECK_STRUCT_SIZE(struct xfs_agf, 224);
XFS_CHECK_STRUCT_SIZE(struct xfs_agfl, 36);
XFS_CHECK_STRUCT_SIZE(struct xfs_agi, 336);
XFS_CHECK_STRUCT_SIZE(struct xfs_bmbt_key, 8);
XFS_CHECK_STRUCT_SIZE(struct xfs_bmbt_rec, 16);
XFS_CHECK_STRUCT_SIZE(struct xfs_bmdr_block, 4);
XFS_CHECK_STRUCT_SIZE(struct xfs_btree_block, 72);
XFS_CHECK_STRUCT_SIZE(struct xfs_dinode, 176);
XFS_CHECK_STRUCT_SIZE(struct xfs_disk_dquot, 104);
XFS_CHECK_STRUCT_SIZE(struct xfs_dqblk, 136);
XFS_CHECK_STRUCT_SIZE(struct xfs_dsb, 264);
XFS_CHECK_STRUCT_SIZE(struct xfs_dsymlink_hdr, 56);
XFS_CHECK_STRUCT_SIZE(struct xfs_inobt_key, 4);
XFS_CHECK_STRUCT_SIZE(struct xfs_inobt_rec, 16);
XFS_CHECK_STRUCT_SIZE(struct xfs_timestamp, 8);
XFS_CHECK_STRUCT_SIZE(xfs_alloc_key_t, 8);
XFS_CHECK_STRUCT_SIZE(xfs_alloc_ptr_t, 4);
XFS_CHECK_STRUCT_SIZE(xfs_alloc_rec_t, 8);
XFS_CHECK_STRUCT_SIZE(xfs_inobt_ptr_t, 4);
/* dir/attr trees */
XFS_CHECK_STRUCT_SIZE(struct xfs_attr3_leaf_hdr, 80);
XFS_CHECK_STRUCT_SIZE(struct xfs_attr3_leafblock, 88);
XFS_CHECK_STRUCT_SIZE(struct xfs_attr3_rmt_hdr, 56);
XFS_CHECK_STRUCT_SIZE(struct xfs_da3_blkinfo, 56);
XFS_CHECK_STRUCT_SIZE(struct xfs_da3_intnode, 64);
XFS_CHECK_STRUCT_SIZE(struct xfs_da3_node_hdr, 64);
XFS_CHECK_STRUCT_SIZE(struct xfs_dir3_blk_hdr, 48);
XFS_CHECK_STRUCT_SIZE(struct xfs_dir3_data_hdr, 64);
XFS_CHECK_STRUCT_SIZE(struct xfs_dir3_free, 64);
XFS_CHECK_STRUCT_SIZE(struct xfs_dir3_free_hdr, 64);
XFS_CHECK_STRUCT_SIZE(struct xfs_dir3_leaf, 64);
XFS_CHECK_STRUCT_SIZE(struct xfs_dir3_leaf_hdr, 64);
XFS_CHECK_STRUCT_SIZE(xfs_attr_leaf_entry_t, 8);
XFS_CHECK_STRUCT_SIZE(xfs_attr_leaf_hdr_t, 32);
XFS_CHECK_STRUCT_SIZE(xfs_attr_leaf_map_t, 4);
XFS_CHECK_STRUCT_SIZE(xfs_attr_leaf_name_local_t, 4);
/*
* m68k has problems with xfs_attr_leaf_name_remote_t, but we pad it to
* 4 bytes anyway so it's not obviously a problem. Hence for the moment
* we don't check this structure. This can be re-instated when the attr
* definitions are updated to use c99 VLA definitions.
*
XFS_CHECK_STRUCT_SIZE(xfs_attr_leaf_name_remote_t, 12);
*/
XFS_CHECK_STRUCT_SIZE(xfs_attr_leafblock_t, 40);
XFS_CHECK_STRUCT_SIZE(xfs_attr_shortform_t, 8);
XFS_CHECK_STRUCT_SIZE(xfs_da_blkinfo_t, 12);
XFS_CHECK_STRUCT_SIZE(xfs_da_intnode_t, 16);
XFS_CHECK_STRUCT_SIZE(xfs_da_node_entry_t, 8);
XFS_CHECK_STRUCT_SIZE(xfs_da_node_hdr_t, 16);
XFS_CHECK_STRUCT_SIZE(xfs_dir2_data_free_t, 4);
XFS_CHECK_STRUCT_SIZE(xfs_dir2_data_hdr_t, 16);
XFS_CHECK_STRUCT_SIZE(xfs_dir2_data_unused_t, 6);
XFS_CHECK_STRUCT_SIZE(xfs_dir2_free_hdr_t, 16);
XFS_CHECK_STRUCT_SIZE(xfs_dir2_free_t, 16);
XFS_CHECK_STRUCT_SIZE(xfs_dir2_ino4_t, 4);
XFS_CHECK_STRUCT_SIZE(xfs_dir2_ino8_t, 8);
XFS_CHECK_STRUCT_SIZE(xfs_dir2_inou_t, 8);
XFS_CHECK_STRUCT_SIZE(xfs_dir2_leaf_entry_t, 8);
XFS_CHECK_STRUCT_SIZE(xfs_dir2_leaf_hdr_t, 16);
XFS_CHECK_STRUCT_SIZE(xfs_dir2_leaf_t, 16);
XFS_CHECK_STRUCT_SIZE(xfs_dir2_leaf_tail_t, 4);
XFS_CHECK_STRUCT_SIZE(xfs_dir2_sf_entry_t, 3);
XFS_CHECK_STRUCT_SIZE(xfs_dir2_sf_hdr_t, 10);
XFS_CHECK_STRUCT_SIZE(xfs_dir2_sf_off_t, 2);
/* log structures */
XFS_CHECK_STRUCT_SIZE(struct xfs_dq_logformat, 24);
XFS_CHECK_STRUCT_SIZE(struct xfs_efd_log_format_32, 28);
XFS_CHECK_STRUCT_SIZE(struct xfs_efd_log_format_64, 32);
XFS_CHECK_STRUCT_SIZE(struct xfs_efi_log_format_32, 28);
XFS_CHECK_STRUCT_SIZE(struct xfs_efi_log_format_64, 32);
XFS_CHECK_STRUCT_SIZE(struct xfs_extent_32, 12);
XFS_CHECK_STRUCT_SIZE(struct xfs_extent_64, 16);
XFS_CHECK_STRUCT_SIZE(struct xfs_log_dinode, 176);
XFS_CHECK_STRUCT_SIZE(struct xfs_icreate_log, 28);
XFS_CHECK_STRUCT_SIZE(struct xfs_ictimestamp, 8);
XFS_CHECK_STRUCT_SIZE(struct xfs_inode_log_format_32, 52);
XFS_CHECK_STRUCT_SIZE(struct xfs_inode_log_format_64, 56);
XFS_CHECK_STRUCT_SIZE(struct xfs_qoff_logformat, 20);
XFS_CHECK_STRUCT_SIZE(struct xfs_trans_header, 16);
}
#endif /* __XFS_ONDISK_H */

55
fs/xfs/xfs_qm.c
View File

@ -560,6 +560,37 @@ xfs_qm_shrink_count(
return list_lru_shrink_count(&qi->qi_lru, sc);
}
STATIC void
xfs_qm_set_defquota(
xfs_mount_t *mp,
uint type,
xfs_quotainfo_t *qinf)
{
xfs_dquot_t *dqp;
struct xfs_def_quota *defq;
int error;
error = xfs_qm_dqread(mp, 0, type, XFS_QMOPT_DOWARN, &dqp);
if (!error) {
xfs_disk_dquot_t *ddqp = &dqp->q_core;
defq = xfs_get_defquota(dqp, qinf);
/*
* Timers and warnings have been already set, let's just set the
* default limits for this quota type
*/
defq->bhardlimit = be64_to_cpu(ddqp->d_blk_hardlimit);
defq->bsoftlimit = be64_to_cpu(ddqp->d_blk_softlimit);
defq->ihardlimit = be64_to_cpu(ddqp->d_ino_hardlimit);
defq->isoftlimit = be64_to_cpu(ddqp->d_ino_softlimit);
defq->rtbhardlimit = be64_to_cpu(ddqp->d_rtb_hardlimit);
defq->rtbsoftlimit = be64_to_cpu(ddqp->d_rtb_softlimit);
xfs_qm_dqdestroy(dqp);
}
}
/*
* This initializes all the quota information that's kept in the
* mount structure
@ -606,19 +637,19 @@ xfs_qm_init_quotainfo(
* We try to get the limits from the superuser's limits fields.
* This is quite hacky, but it is standard quota practice.
*
* We look at the USR dquot with id == 0 first, but if user quotas
* are not enabled we goto the GRP dquot with id == 0.
* We don't really care to keep separate default limits for user
* and group quotas, at least not at this point.
*
* Since we may not have done a quotacheck by this point, just read
* the dquot without attaching it to any hashtables or lists.
*
* Timers and warnings are globally set by the first timer found in
* user/group/proj quota types, otherwise a default value is used.
* This should be split into different fields per quota type.
*/
error = xfs_qm_dqread(mp, 0,
XFS_IS_UQUOTA_RUNNING(mp) ? XFS_DQ_USER :
(XFS_IS_GQUOTA_RUNNING(mp) ? XFS_DQ_GROUP :
XFS_DQ_PROJ),
XFS_QMOPT_DOWARN, &dqp);
if (!error) {
xfs_disk_dquot_t *ddqp = &dqp->q_core;
@ -639,13 +670,6 @@ xfs_qm_init_quotainfo(
be16_to_cpu(ddqp->d_iwarns) : XFS_QM_IWARNLIMIT;
qinf->qi_rtbwarnlimit = ddqp->d_rtbwarns ?
be16_to_cpu(ddqp->d_rtbwarns) : XFS_QM_RTBWARNLIMIT;
qinf->qi_bhardlimit = be64_to_cpu(ddqp->d_blk_hardlimit);
qinf->qi_bsoftlimit = be64_to_cpu(ddqp->d_blk_softlimit);
qinf->qi_ihardlimit = be64_to_cpu(ddqp->d_ino_hardlimit);
qinf->qi_isoftlimit = be64_to_cpu(ddqp->d_ino_softlimit);
qinf->qi_rtbhardlimit = be64_to_cpu(ddqp->d_rtb_hardlimit);
qinf->qi_rtbsoftlimit = be64_to_cpu(ddqp->d_rtb_softlimit);
xfs_qm_dqdestroy(dqp);
} else {
qinf->qi_btimelimit = XFS_QM_BTIMELIMIT;
@ -656,6 +680,13 @@ xfs_qm_init_quotainfo(
qinf->qi_rtbwarnlimit = XFS_QM_RTBWARNLIMIT;
}
if (XFS_IS_UQUOTA_RUNNING(mp))
xfs_qm_set_defquota(mp, XFS_DQ_USER, qinf);
if (XFS_IS_GQUOTA_RUNNING(mp))
xfs_qm_set_defquota(mp, XFS_DQ_GROUP, qinf);
if (XFS_IS_PQUOTA_RUNNING(mp))
xfs_qm_set_defquota(mp, XFS_DQ_PROJ, qinf);
qinf->qi_shrinker.count_objects = xfs_qm_shrink_count;
qinf->qi_shrinker.scan_objects = xfs_qm_shrink_scan;
qinf->qi_shrinker.seeks = DEFAULT_SEEKS;

48
fs/xfs/xfs_qm.h
View File

@ -53,6 +53,15 @@ extern struct kmem_zone *xfs_qm_dqtrxzone;
*/
#define XFS_DQUOT_CLUSTER_SIZE_FSB (xfs_filblks_t)1
struct xfs_def_quota {
xfs_qcnt_t bhardlimit; /* default data blk hard limit */
xfs_qcnt_t bsoftlimit; /* default data blk soft limit */
xfs_qcnt_t ihardlimit; /* default inode count hard limit */
xfs_qcnt_t isoftlimit; /* default inode count soft limit */
xfs_qcnt_t rtbhardlimit; /* default realtime blk hard limit */
xfs_qcnt_t rtbsoftlimit; /* default realtime blk soft limit */
};
/*
* Various quota information for individual filesystems.
* The mount structure keeps a pointer to this.
@ -76,12 +85,9 @@ typedef struct xfs_quotainfo {
struct mutex qi_quotaofflock;/* to serialize quotaoff */
xfs_filblks_t qi_dqchunklen; /* # BBs in a chunk of dqs */
uint qi_dqperchunk; /* # ondisk dqs in above chunk */
xfs_qcnt_t qi_bhardlimit; /* default data blk hard limit */
xfs_qcnt_t qi_bsoftlimit; /* default data blk soft limit */
xfs_qcnt_t qi_ihardlimit; /* default inode count hard limit */
xfs_qcnt_t qi_isoftlimit; /* default inode count soft limit */
xfs_qcnt_t qi_rtbhardlimit;/* default realtime blk hard limit */
xfs_qcnt_t qi_rtbsoftlimit;/* default realtime blk soft limit */
struct xfs_def_quota qi_usr_default;
struct xfs_def_quota qi_grp_default;
struct xfs_def_quota qi_prj_default;
struct shrinker qi_shrinker;
} xfs_quotainfo_t;
@ -104,15 +110,15 @@ xfs_dquot_tree(
}
static inline struct xfs_inode *
xfs_dq_to_quota_inode(struct xfs_dquot *dqp)
xfs_quota_inode(xfs_mount_t *mp, uint dq_flags)
{
switch (dqp->dq_flags & XFS_DQ_ALLTYPES) {
switch (dq_flags & XFS_DQ_ALLTYPES) {
case XFS_DQ_USER:
return dqp->q_mount->m_quotainfo->qi_uquotaip;
return mp->m_quotainfo->qi_uquotaip;
case XFS_DQ_GROUP:
return dqp->q_mount->m_quotainfo->qi_gquotaip;
return mp->m_quotainfo->qi_gquotaip;
case XFS_DQ_PROJ:
return dqp->q_mount->m_quotainfo->qi_pquotaip;
return mp->m_quotainfo->qi_pquotaip;
default:
ASSERT(0);
}
@ -164,11 +170,27 @@ extern void xfs_qm_dqrele_all_inodes(struct xfs_mount *, uint);
/* quota ops */
extern int xfs_qm_scall_trunc_qfiles(struct xfs_mount *, uint);
extern int xfs_qm_scall_getquota(struct xfs_mount *, xfs_dqid_t,
uint, struct qc_dqblk *);
extern int xfs_qm_scall_getquota(struct xfs_mount *, xfs_dqid_t *,
uint, struct qc_dqblk *, uint);
extern int xfs_qm_scall_setqlim(struct xfs_mount *, xfs_dqid_t, uint,
struct qc_dqblk *);
extern int xfs_qm_scall_quotaon(struct xfs_mount *, uint);
extern int xfs_qm_scall_quotaoff(struct xfs_mount *, uint);
static inline struct xfs_def_quota *
xfs_get_defquota(struct xfs_dquot *dqp, struct xfs_quotainfo *qi)
{
struct xfs_def_quota *defq;
if (XFS_QM_ISUDQ(dqp))
defq = &qi->qi_usr_default;
else if (XFS_QM_ISGDQ(dqp))
defq = &qi->qi_grp_default;
else {
ASSERT(XFS_QM_ISPDQ(dqp));
defq = &qi->qi_prj_default;
}
return defq;
}
#endif /* __XFS_QM_H__ */

27
fs/xfs/xfs_qm_syscalls.c
View File

@ -404,6 +404,7 @@ xfs_qm_scall_setqlim(
struct xfs_disk_dquot *ddq;
struct xfs_dquot *dqp;
struct xfs_trans *tp;
struct xfs_def_quota *defq;
int error;
xfs_qcnt_t hard, soft;
@ -431,6 +432,8 @@ xfs_qm_scall_setqlim(
ASSERT(error != -ENOENT);
goto out_unlock;
}
defq = xfs_get_defquota(dqp, q);
xfs_dqunlock(dqp);
tp = xfs_trans_alloc(mp, XFS_TRANS_QM_SETQLIM);
@ -458,8 +461,8 @@ xfs_qm_scall_setqlim(
ddq->d_blk_softlimit = cpu_to_be64(soft);
xfs_dquot_set_prealloc_limits(dqp);
if (id == 0) {
q->qi_bhardlimit = hard;
q->qi_bsoftlimit = soft;
defq->bhardlimit = hard;
defq->bsoftlimit = soft;
}
} else {
xfs_debug(mp, "blkhard %Ld < blksoft %Ld", hard, soft);
@ -474,8 +477,8 @@ xfs_qm_scall_setqlim(
ddq->d_rtb_hardlimit = cpu_to_be64(hard);
ddq->d_rtb_softlimit = cpu_to_be64(soft);
if (id == 0) {
q->qi_rtbhardlimit = hard;
q->qi_rtbsoftlimit = soft;
defq->rtbhardlimit = hard;
defq->rtbsoftlimit = soft;
}
} else {
xfs_debug(mp, "rtbhard %Ld < rtbsoft %Ld", hard, soft);
@ -491,8 +494,8 @@ xfs_qm_scall_setqlim(
ddq->d_ino_hardlimit = cpu_to_be64(hard);
ddq->d_ino_softlimit = cpu_to_be64(soft);
if (id == 0) {
q->qi_ihardlimit = hard;
q->qi_isoftlimit = soft;
defq->ihardlimit = hard;
defq->isoftlimit = soft;
}
} else {
xfs_debug(mp, "ihard %Ld < isoft %Ld", hard, soft);
@ -635,9 +638,10 @@ out:
int
xfs_qm_scall_getquota(
struct xfs_mount *mp,
xfs_dqid_t id,
xfs_dqid_t *id,
uint type,
struct qc_dqblk *dst)
struct qc_dqblk *dst,
uint dqget_flags)
{
struct xfs_dquot *dqp;
int error;
@ -647,7 +651,7 @@ xfs_qm_scall_getquota(
* we aren't passing the XFS_QMOPT_DOALLOC flag. If it doesn't
* exist, we'll get ENOENT back.
*/
error = xfs_qm_dqget(mp, NULL, id, type, 0, &dqp);
error = xfs_qm_dqget(mp, NULL, *id, type, dqget_flags, &dqp);
if (error)
return error;
@ -660,6 +664,9 @@ xfs_qm_scall_getquota(
goto out_put;
}
/* Fill in the ID we actually read from disk */
*id = be32_to_cpu(dqp->q_core.d_id);
memset(dst, 0, sizeof(*dst));
dst->d_spc_hardlimit =
XFS_FSB_TO_B(mp, be64_to_cpu(dqp->q_core.d_blk_hardlimit));
@ -701,7 +708,7 @@ xfs_qm_scall_getquota(
if (((XFS_IS_UQUOTA_ENFORCED(mp) && type == XFS_DQ_USER) ||
(XFS_IS_GQUOTA_ENFORCED(mp) && type == XFS_DQ_GROUP) ||
(XFS_IS_PQUOTA_ENFORCED(mp) && type == XFS_DQ_PROJ)) &&
id != 0) {
*id != 0) {
if ((dst->d_space > dst->d_spc_softlimit) &&
(dst->d_spc_softlimit > 0)) {
ASSERT(dst->d_spc_timer != 0);

36
fs/xfs/xfs_quotaops.c
View File

@ -231,14 +231,45 @@ xfs_fs_get_dqblk(
struct qc_dqblk *qdq)
{
struct xfs_mount *mp = XFS_M(sb);
xfs_dqid_t id;
if (!XFS_IS_QUOTA_RUNNING(mp))
return -ENOSYS;
if (!XFS_IS_QUOTA_ON(mp))
return -ESRCH;
return xfs_qm_scall_getquota(mp, from_kqid(&init_user_ns, qid),
xfs_quota_type(qid.type), qdq);
id = from_kqid(&init_user_ns, qid);
return xfs_qm_scall_getquota(mp, &id,
xfs_quota_type(qid.type), qdq, 0);
}
/* Return quota info for active quota >= this qid */
STATIC int
xfs_fs_get_nextdqblk(
struct super_block *sb,
struct kqid *qid,
struct qc_dqblk *qdq)
{
int ret;
struct xfs_mount *mp = XFS_M(sb);
xfs_dqid_t id;
if (!XFS_IS_QUOTA_RUNNING(mp))
return -ENOSYS;
if (!XFS_IS_QUOTA_ON(mp))
return -ESRCH;
id = from_kqid(&init_user_ns, *qid);
ret = xfs_qm_scall_getquota(mp, &id,
xfs_quota_type(qid->type), qdq,
XFS_QMOPT_DQNEXT);
if (ret)
return ret;
/* ID may be different, so convert back what we got */
*qid = make_kqid(current_user_ns(), qid->type, id);
return 0;
}
STATIC int
@ -267,5 +298,6 @@ const struct quotactl_ops xfs_quotactl_operations = {
.quota_disable = xfs_quota_disable,
.rm_xquota = xfs_fs_rm_xquota,
.get_dqblk = xfs_fs_get_dqblk,
.get_nextdqblk = xfs_fs_get_nextdqblk,
.set_dqblk = xfs_fs_set_dqblk,
};

2
fs/xfs/xfs_rtalloc.c
View File

@ -1272,7 +1272,7 @@ xfs_rtpick_extent(
ASSERT(xfs_isilocked(mp->m_rbmip, XFS_ILOCK_EXCL));
seqp = (__uint64_t *)&mp->m_rbmip->i_d.di_atime;
seqp = (__uint64_t *)&VFS_I(mp->m_rbmip)->i_atime;
if (!(mp->m_rbmip->i_d.di_flags & XFS_DIFLAG_NEWRTBM)) {
mp->m_rbmip->i_d.di_flags |= XFS_DIFLAG_NEWRTBM;
*seqp = 0;

532
fs/xfs/xfs_super.c
View File

@ -45,6 +45,7 @@
#include "xfs_filestream.h"
#include "xfs_quota.h"
#include "xfs_sysfs.h"
#include "xfs_ondisk.h"
#include <linux/namei.h>
#include <linux/init.h>
@ -65,83 +66,85 @@ static struct kset *xfs_kset; /* top-level xfs sysfs dir */
static struct xfs_kobj xfs_dbg_kobj; /* global debug sysfs attrs */
#endif
#define MNTOPT_LOGBUFS "logbufs" /* number of XFS log buffers */
#define MNTOPT_LOGBSIZE "logbsize" /* size of XFS log buffers */
#define MNTOPT_LOGDEV "logdev" /* log device */
#define MNTOPT_RTDEV "rtdev" /* realtime I/O device */
#define MNTOPT_BIOSIZE "biosize" /* log2 of preferred buffered io size */
#define MNTOPT_WSYNC "wsync" /* safe-mode nfs compatible mount */
#define MNTOPT_NOALIGN "noalign" /* turn off stripe alignment */
#define MNTOPT_SWALLOC "swalloc" /* turn on stripe width allocation */
#define MNTOPT_SUNIT "sunit" /* data volume stripe unit */
#define MNTOPT_SWIDTH "swidth" /* data volume stripe width */
#define MNTOPT_NOUUID "nouuid" /* ignore filesystem UUID */
#define MNTOPT_MTPT "mtpt" /* filesystem mount point */
#define MNTOPT_GRPID "grpid" /* group-ID from parent directory */
#define MNTOPT_NOGRPID "nogrpid" /* group-ID from current process */
#define MNTOPT_BSDGROUPS "bsdgroups" /* group-ID from parent directory */
#define MNTOPT_SYSVGROUPS "sysvgroups" /* group-ID from current process */
#define MNTOPT_ALLOCSIZE "allocsize" /* preferred allocation size */
#define MNTOPT_NORECOVERY "norecovery" /* don't run XFS recovery */
#define MNTOPT_BARRIER "barrier" /* use writer barriers for log write and
* unwritten extent conversion */
#define MNTOPT_NOBARRIER "nobarrier" /* .. disable */
#define MNTOPT_64BITINODE "inode64" /* inodes can be allocated anywhere */
#define MNTOPT_32BITINODE "inode32" /* inode allocation limited to
* XFS_MAXINUMBER_32 */
#define MNTOPT_IKEEP "ikeep" /* do not free empty inode clusters */
#define MNTOPT_NOIKEEP "noikeep" /* free empty inode clusters */
#define MNTOPT_LARGEIO "largeio" /* report large I/O sizes in stat() */
#define MNTOPT_NOLARGEIO "nolargeio" /* do not report large I/O sizes
* in stat(). */
#define MNTOPT_ATTR2 "attr2" /* do use attr2 attribute format */
#define MNTOPT_NOATTR2 "noattr2" /* do not use attr2 attribute format */
#define MNTOPT_FILESTREAM "filestreams" /* use filestreams allocator */
#define MNTOPT_QUOTA "quota" /* disk quotas (user) */
#define MNTOPT_NOQUOTA "noquota" /* no quotas */
#define MNTOPT_USRQUOTA "usrquota" /* user quota enabled */
#define MNTOPT_GRPQUOTA "grpquota" /* group quota enabled */
#define MNTOPT_PRJQUOTA "prjquota" /* project quota enabled */
#define MNTOPT_UQUOTA "uquota" /* user quota (IRIX variant) */
#define MNTOPT_GQUOTA "gquota" /* group quota (IRIX variant) */
#define MNTOPT_PQUOTA "pquota" /* project quota (IRIX variant) */
#define MNTOPT_UQUOTANOENF "uqnoenforce"/* user quota limit enforcement */
#define MNTOPT_GQUOTANOENF "gqnoenforce"/* group quota limit enforcement */
#define MNTOPT_PQUOTANOENF "pqnoenforce"/* project quota limit enforcement */
#define MNTOPT_QUOTANOENF "qnoenforce" /* same as uqnoenforce */
#define MNTOPT_DISCARD "discard" /* Discard unused blocks */
#define MNTOPT_NODISCARD "nodiscard" /* Do not discard unused blocks */
#define MNTOPT_DAX "dax" /* Enable direct access to bdev pages */
/*
* Table driven mount option parser.
*
* Currently only used for remount, but it will be used for mount
* in the future, too.
*/
enum {
Opt_barrier,
Opt_nobarrier,
Opt_inode64,
Opt_inode32,
Opt_err
Opt_logbufs, Opt_logbsize, Opt_logdev, Opt_rtdev, Opt_biosize,
Opt_wsync, Opt_noalign, Opt_swalloc, Opt_sunit, Opt_swidth, Opt_nouuid,
Opt_mtpt, Opt_grpid, Opt_nogrpid, Opt_bsdgroups, Opt_sysvgroups,
Opt_allocsize, Opt_norecovery, Opt_barrier, Opt_nobarrier,
Opt_inode64, Opt_inode32, Opt_ikeep, Opt_noikeep,
Opt_largeio, Opt_nolargeio, Opt_attr2, Opt_noattr2, Opt_filestreams,
Opt_quota, Opt_noquota, Opt_usrquota, Opt_grpquota, Opt_prjquota,
Opt_uquota, Opt_gquota, Opt_pquota,
Opt_uqnoenforce, Opt_gqnoenforce, Opt_pqnoenforce, Opt_qnoenforce,
Opt_discard, Opt_nodiscard, Opt_dax, Opt_err,
};
static const match_table_t tokens = {
{Opt_barrier, "barrier"},
{Opt_nobarrier, "nobarrier"},
{Opt_inode64, "inode64"},
{Opt_inode32, "inode32"},
{Opt_err, NULL}
{Opt_logbufs, "logbufs=%u"}, /* number of XFS log buffers */
{Opt_logbsize, "logbsize=%s"}, /* size of XFS log buffers */
{Opt_logdev, "logdev=%s"}, /* log device */
{Opt_rtdev, "rtdev=%s"}, /* realtime I/O device */
{Opt_biosize, "biosize=%u"}, /* log2 of preferred buffered io size */
{Opt_wsync, "wsync"}, /* safe-mode nfs compatible mount */
{Opt_noalign, "noalign"}, /* turn off stripe alignment */
{Opt_swalloc, "swalloc"}, /* turn on stripe width allocation */
{Opt_sunit, "sunit=%u"}, /* data volume stripe unit */
{Opt_swidth, "swidth=%u"}, /* data volume stripe width */
{Opt_nouuid, "nouuid"}, /* ignore filesystem UUID */
{Opt_mtpt, "mtpt"}, /* filesystem mount point */
{Opt_grpid, "grpid"}, /* group-ID from parent directory */
{Opt_nogrpid, "nogrpid"}, /* group-ID from current process */
{Opt_bsdgroups, "bsdgroups"}, /* group-ID from parent directory */
{Opt_sysvgroups,"sysvgroups"}, /* group-ID from current process */
{Opt_allocsize, "allocsize=%s"},/* preferred allocation size */
{Opt_norecovery,"norecovery"}, /* don't run XFS recovery */
{Opt_barrier, "barrier"}, /* use writer barriers for log write and
* unwritten extent conversion */
{Opt_nobarrier, "nobarrier"}, /* .. disable */
{Opt_inode64, "inode64"}, /* inodes can be allocated anywhere */
{Opt_inode32, "inode32"}, /* inode allocation limited to
* XFS_MAXINUMBER_32 */
{Opt_ikeep, "ikeep"}, /* do not free empty inode clusters */
{Opt_noikeep, "noikeep"}, /* free empty inode clusters */
{Opt_largeio, "largeio"}, /* report large I/O sizes in stat() */
{Opt_nolargeio, "nolargeio"}, /* do not report large I/O sizes
* in stat(). */
{Opt_attr2, "attr2"}, /* do use attr2 attribute format */
{Opt_noattr2, "noattr2"}, /* do not use attr2 attribute format */
{Opt_filestreams,"filestreams"},/* use filestreams allocator */
{Opt_quota, "quota"}, /* disk quotas (user) */
{Opt_noquota, "noquota"}, /* no quotas */
{Opt_usrquota, "usrquota"}, /* user quota enabled */
{Opt_grpquota, "grpquota"}, /* group quota enabled */
{Opt_prjquota, "prjquota"}, /* project quota enabled */
{Opt_uquota, "uquota"}, /* user quota (IRIX variant) */
{Opt_gquota, "gquota"}, /* group quota (IRIX variant) */
{Opt_pquota, "pquota"}, /* project quota (IRIX variant) */
{Opt_uqnoenforce,"uqnoenforce"},/* user quota limit enforcement */
{Opt_gqnoenforce,"gqnoenforce"},/* group quota limit enforcement */
{Opt_pqnoenforce,"pqnoenforce"},/* project quota limit enforcement */
{Opt_qnoenforce, "qnoenforce"}, /* same as uqnoenforce */
{Opt_discard, "discard"}, /* Discard unused blocks */
{Opt_nodiscard, "nodiscard"}, /* Do not discard unused blocks */
{Opt_dax, "dax"}, /* Enable direct access to bdev pages */
{Opt_err, NULL},
};
STATIC int
suffix_kstrtoint(char *s, unsigned int base, int *res)
suffix_kstrtoint(const substring_t *s, unsigned int base, int *res)
{
int last, shift_left_factor = 0, _res;
char *value = s;
char *value;
int ret = 0;
value = match_strdup(s);
if (!value)
return -ENOMEM;
last = strlen(value) - 1;
if (value[last] == 'K' || value[last] == 'k') {
@ -157,10 +160,11 @@ suffix_kstrtoint(char *s, unsigned int base, int *res)
value[last] = '\0';
}
if (kstrtoint(s, base, &_res))
return -EINVAL;
if (kstrtoint(value, base, &_res))
ret = -EINVAL;
kfree(value);
*res = _res << shift_left_factor;
return 0;
return ret;
}
/*
@ -169,14 +173,19 @@ suffix_kstrtoint(char *s, unsigned int base, int *res)
*
* Note that this function leaks the various device name allocations on
* failure. The caller takes care of them.
*
* *sb is const because this is also used to test options on the remount
* path, and we don't want this to have any side effects at remount time.
* Today this function does not change *sb, but just to future-proof...
*/
STATIC int
xfs_parseargs(
struct xfs_mount *mp,
char *options)
{
struct super_block *sb = mp->m_super;
char *this_char, *value;
const struct super_block *sb = mp->m_super;
char *p;
substring_t args[MAX_OPT_ARGS];
int dsunit = 0;
int dswidth = 0;
int iosize = 0;
@ -217,152 +226,152 @@ xfs_parseargs(
if (!options)
goto done;
while ((this_char = strsep(&options, ",")) != NULL) {
if (!*this_char)
continue;
if ((value = strchr(this_char, '=')) != NULL)
*value++ = 0;
while ((p = strsep(&options, ",")) != NULL) {
int token;
if (!strcmp(this_char, MNTOPT_LOGBUFS)) {
if (!value || !*value) {
xfs_warn(mp, "%s option requires an argument",
this_char);
if (!*p)
continue;
token = match_token(p, tokens, args);
switch (token) {
case Opt_logbufs:
if (match_int(args, &mp->m_logbufs))
return -EINVAL;
}
if (kstrtoint(value, 10, &mp->m_logbufs))
break;
case Opt_logbsize:
if (suffix_kstrtoint(args, 10, &mp->m_logbsize))
return -EINVAL;
} else if (!strcmp(this_char, MNTOPT_LOGBSIZE)) {
if (!value || !*value) {
xfs_warn(mp, "%s option requires an argument",
this_char);
return -EINVAL;
}
if (suffix_kstrtoint(value, 10, &mp->m_logbsize))
return -EINVAL;
} else if (!strcmp(this_char, MNTOPT_LOGDEV)) {
if (!value || !*value) {
xfs_warn(mp, "%s option requires an argument",
this_char);
return -EINVAL;
}
mp->m_logname = kstrndup(value, MAXNAMELEN, GFP_KERNEL);
break;
case Opt_logdev:
mp->m_logname = match_strdup(args);
if (!mp->m_logname)
return -ENOMEM;
} else if (!strcmp(this_char, MNTOPT_MTPT)) {
xfs_warn(mp, "%s option not allowed on this system",
this_char);
break;
case Opt_mtpt:
xfs_warn(mp, "%s option not allowed on this system", p);
return -EINVAL;
} else if (!strcmp(this_char, MNTOPT_RTDEV)) {
if (!value || !*value) {
xfs_warn(mp, "%s option requires an argument",
this_char);
return -EINVAL;
}
mp->m_rtname = kstrndup(value, MAXNAMELEN, GFP_KERNEL);
case Opt_rtdev:
mp->m_rtname = match_strdup(args);
if (!mp->m_rtname)
return -ENOMEM;
} else if (!strcmp(this_char, MNTOPT_ALLOCSIZE) ||
!strcmp(this_char, MNTOPT_BIOSIZE)) {
if (!value || !*value) {
xfs_warn(mp, "%s option requires an argument",
this_char);
return -EINVAL;
}
if (suffix_kstrtoint(value, 10, &iosize))
break;
case Opt_allocsize:
case Opt_biosize:
if (suffix_kstrtoint(args, 10, &iosize))
return -EINVAL;
iosizelog = ffs(iosize) - 1;
} else if (!strcmp(this_char, MNTOPT_GRPID) ||
!strcmp(this_char, MNTOPT_BSDGROUPS)) {
break;
case Opt_grpid:
case Opt_bsdgroups:
mp->m_flags |= XFS_MOUNT_GRPID;
} else if (!strcmp(this_char, MNTOPT_NOGRPID) ||
!strcmp(this_char, MNTOPT_SYSVGROUPS)) {
break;
case Opt_nogrpid:
case Opt_sysvgroups:
mp->m_flags &= ~XFS_MOUNT_GRPID;
} else if (!strcmp(this_char, MNTOPT_WSYNC)) {
break;
case Opt_wsync:
mp->m_flags |= XFS_MOUNT_WSYNC;
} else if (!strcmp(this_char, MNTOPT_NORECOVERY)) {
break;
case Opt_norecovery:
mp->m_flags |= XFS_MOUNT_NORECOVERY;
} else if (!strcmp(this_char, MNTOPT_NOALIGN)) {
break;
case Opt_noalign:
mp->m_flags |= XFS_MOUNT_NOALIGN;
} else if (!strcmp(this_char, MNTOPT_SWALLOC)) {
break;
case Opt_swalloc:
mp->m_flags |= XFS_MOUNT_SWALLOC;
} else if (!strcmp(this_char, MNTOPT_SUNIT)) {
if (!value || !*value) {
xfs_warn(mp, "%s option requires an argument",
this_char);
break;
case Opt_sunit:
if (match_int(args, &dsunit))
return -EINVAL;
}
if (kstrtoint(value, 10, &dsunit))
break;
case Opt_swidth:
if (match_int(args, &dswidth))
return -EINVAL;
} else if (!strcmp(this_char, MNTOPT_SWIDTH)) {
if (!value || !*value) {
xfs_warn(mp, "%s option requires an argument",
this_char);
return -EINVAL;
}
if (kstrtoint(value, 10, &dswidth))
return -EINVAL;
} else if (!strcmp(this_char, MNTOPT_32BITINODE)) {
break;
case Opt_inode32:
mp->m_flags |= XFS_MOUNT_SMALL_INUMS;
} else if (!strcmp(this_char, MNTOPT_64BITINODE)) {
break;
case Opt_inode64:
mp->m_flags &= ~XFS_MOUNT_SMALL_INUMS;
} else if (!strcmp(this_char, MNTOPT_NOUUID)) {
break;
case Opt_nouuid:
mp->m_flags |= XFS_MOUNT_NOUUID;
} else if (!strcmp(this_char, MNTOPT_BARRIER)) {
break;
case Opt_barrier:
mp->m_flags |= XFS_MOUNT_BARRIER;
} else if (!strcmp(this_char, MNTOPT_NOBARRIER)) {
break;
case Opt_nobarrier:
mp->m_flags &= ~XFS_MOUNT_BARRIER;
} else if (!strcmp(this_char, MNTOPT_IKEEP)) {
break;
case Opt_ikeep:
mp->m_flags |= XFS_MOUNT_IKEEP;
} else if (!strcmp(this_char, MNTOPT_NOIKEEP)) {
break;
case Opt_noikeep:
mp->m_flags &= ~XFS_MOUNT_IKEEP;
} else if (!strcmp(this_char, MNTOPT_LARGEIO)) {
break;
case Opt_largeio:
mp->m_flags &= ~XFS_MOUNT_COMPAT_IOSIZE;
} else if (!strcmp(this_char, MNTOPT_NOLARGEIO)) {
break;
case Opt_nolargeio:
mp->m_flags |= XFS_MOUNT_COMPAT_IOSIZE;
} else if (!strcmp(this_char, MNTOPT_ATTR2)) {
break;
case Opt_attr2:
mp->m_flags |= XFS_MOUNT_ATTR2;
} else if (!strcmp(this_char, MNTOPT_NOATTR2)) {
break;
case Opt_noattr2:
mp->m_flags &= ~XFS_MOUNT_ATTR2;
mp->m_flags |= XFS_MOUNT_NOATTR2;
} else if (!strcmp(this_char, MNTOPT_FILESTREAM)) {
break;
case Opt_filestreams:
mp->m_flags |= XFS_MOUNT_FILESTREAMS;
} else if (!strcmp(this_char, MNTOPT_NOQUOTA)) {
break;
case Opt_noquota:
mp->m_qflags &= ~XFS_ALL_QUOTA_ACCT;
mp->m_qflags &= ~XFS_ALL_QUOTA_ENFD;
mp->m_qflags &= ~XFS_ALL_QUOTA_ACTIVE;
} else if (!strcmp(this_char, MNTOPT_QUOTA) ||
!strcmp(this_char, MNTOPT_UQUOTA) ||
!strcmp(this_char, MNTOPT_USRQUOTA)) {
break;
case Opt_quota:
case Opt_uquota:
case Opt_usrquota:
mp->m_qflags |= (XFS_UQUOTA_ACCT | XFS_UQUOTA_ACTIVE |
XFS_UQUOTA_ENFD);
} else if (!strcmp(this_char, MNTOPT_QUOTANOENF) ||
!strcmp(this_char, MNTOPT_UQUOTANOENF)) {
break;
case Opt_qnoenforce:
case Opt_uqnoenforce:
mp->m_qflags |= (XFS_UQUOTA_ACCT | XFS_UQUOTA_ACTIVE);
mp->m_qflags &= ~XFS_UQUOTA_ENFD;
} else if (!strcmp(this_char, MNTOPT_PQUOTA) ||
!strcmp(this_char, MNTOPT_PRJQUOTA)) {
break;
case Opt_pquota:
case Opt_prjquota:
mp->m_qflags |= (XFS_PQUOTA_ACCT | XFS_PQUOTA_ACTIVE |
XFS_PQUOTA_ENFD);
} else if (!strcmp(this_char, MNTOPT_PQUOTANOENF)) {
break;
case Opt_pqnoenforce:
mp->m_qflags |= (XFS_PQUOTA_ACCT | XFS_PQUOTA_ACTIVE);
mp->m_qflags &= ~XFS_PQUOTA_ENFD;
} else if (!strcmp(this_char, MNTOPT_GQUOTA) ||
!strcmp(this_char, MNTOPT_GRPQUOTA)) {
case Opt_gquota:
case Opt_grpquota:
mp->m_qflags |= (XFS_GQUOTA_ACCT | XFS_GQUOTA_ACTIVE |
XFS_GQUOTA_ENFD);
} else if (!strcmp(this_char, MNTOPT_GQUOTANOENF)) {
break;
case Opt_gqnoenforce:
mp->m_qflags |= (XFS_GQUOTA_ACCT | XFS_GQUOTA_ACTIVE);
mp->m_qflags &= ~XFS_GQUOTA_ENFD;
} else if (!strcmp(this_char, MNTOPT_DISCARD)) {
break;
case Opt_discard:
mp->m_flags |= XFS_MOUNT_DISCARD;
} else if (!strcmp(this_char, MNTOPT_NODISCARD)) {
break;
case Opt_nodiscard:
mp->m_flags &= ~XFS_MOUNT_DISCARD;
break;
#ifdef CONFIG_FS_DAX
} else if (!strcmp(this_char, MNTOPT_DAX)) {
case Opt_dax:
mp->m_flags |= XFS_MOUNT_DAX;
break;
#endif
} else {
xfs_warn(mp, "unknown mount option [%s].", this_char);
default:
xfs_warn(mp, "unknown mount option [%s].", p);
return -EINVAL;
}
}
@ -461,25 +470,25 @@ xfs_showargs(
{
static struct proc_xfs_info xfs_info_set[] = {
/* the few simple ones we can get from the mount struct */
{ XFS_MOUNT_IKEEP, "," MNTOPT_IKEEP },
{ XFS_MOUNT_WSYNC, "," MNTOPT_WSYNC },
{ XFS_MOUNT_NOALIGN, "," MNTOPT_NOALIGN },
{ XFS_MOUNT_SWALLOC, "," MNTOPT_SWALLOC },
{ XFS_MOUNT_NOUUID, "," MNTOPT_NOUUID },
{ XFS_MOUNT_NORECOVERY, "," MNTOPT_NORECOVERY },
{ XFS_MOUNT_ATTR2, "," MNTOPT_ATTR2 },
{ XFS_MOUNT_FILESTREAMS, "," MNTOPT_FILESTREAM },
{ XFS_MOUNT_GRPID, "," MNTOPT_GRPID },
{ XFS_MOUNT_DISCARD, "," MNTOPT_DISCARD },
{ XFS_MOUNT_SMALL_INUMS, "," MNTOPT_32BITINODE },
{ XFS_MOUNT_DAX, "," MNTOPT_DAX },
{ XFS_MOUNT_IKEEP, ",ikeep" },
{ XFS_MOUNT_WSYNC, ",wsync" },
{ XFS_MOUNT_NOALIGN, ",noalign" },
{ XFS_MOUNT_SWALLOC, ",swalloc" },
{ XFS_MOUNT_NOUUID, ",nouuid" },
{ XFS_MOUNT_NORECOVERY, ",norecovery" },
{ XFS_MOUNT_ATTR2, ",attr2" },
{ XFS_MOUNT_FILESTREAMS, ",filestreams" },
{ XFS_MOUNT_GRPID, ",grpid" },
{ XFS_MOUNT_DISCARD, ",discard" },
{ XFS_MOUNT_SMALL_INUMS, ",inode32" },
{ XFS_MOUNT_DAX, ",dax" },
{ 0, NULL }
};
static struct proc_xfs_info xfs_info_unset[] = {
/* the few simple ones we can get from the mount struct */
{ XFS_MOUNT_COMPAT_IOSIZE, "," MNTOPT_LARGEIO },
{ XFS_MOUNT_BARRIER, "," MNTOPT_NOBARRIER },
{ XFS_MOUNT_SMALL_INUMS, "," MNTOPT_64BITINODE },
{ XFS_MOUNT_COMPAT_IOSIZE, ",largeio" },
{ XFS_MOUNT_BARRIER, ",nobarrier" },
{ XFS_MOUNT_SMALL_INUMS, ",inode64" },
{ 0, NULL }
};
struct proc_xfs_info *xfs_infop;
@ -494,46 +503,46 @@ xfs_showargs(
}
if (mp->m_flags & XFS_MOUNT_DFLT_IOSIZE)
seq_printf(m, "," MNTOPT_ALLOCSIZE "=%dk",
seq_printf(m, ",allocsize=%dk",
(int)(1 << mp->m_writeio_log) >> 10);
if (mp->m_logbufs > 0)
seq_printf(m, "," MNTOPT_LOGBUFS "=%d", mp->m_logbufs);
seq_printf(m, ",logbufs=%d", mp->m_logbufs);
if (mp->m_logbsize > 0)
seq_printf(m, "," MNTOPT_LOGBSIZE "=%dk", mp->m_logbsize >> 10);
seq_printf(m, ",logbsize=%dk", mp->m_logbsize >> 10);
if (mp->m_logname)
seq_show_option(m, MNTOPT_LOGDEV, mp->m_logname);
seq_show_option(m, "logdev", mp->m_logname);
if (mp->m_rtname)
seq_show_option(m, MNTOPT_RTDEV, mp->m_rtname);
seq_show_option(m, "rtdev", mp->m_rtname);
if (mp->m_dalign > 0)
seq_printf(m, "," MNTOPT_SUNIT "=%d",
seq_printf(m, ",sunit=%d",
(int)XFS_FSB_TO_BB(mp, mp->m_dalign));
if (mp->m_swidth > 0)
seq_printf(m, "," MNTOPT_SWIDTH "=%d",
seq_printf(m, ",swidth=%d",
(int)XFS_FSB_TO_BB(mp, mp->m_swidth));
if (mp->m_qflags & (XFS_UQUOTA_ACCT|XFS_UQUOTA_ENFD))
seq_puts(m, "," MNTOPT_USRQUOTA);
seq_puts(m, ",usrquota");
else if (mp->m_qflags & XFS_UQUOTA_ACCT)
seq_puts(m, "," MNTOPT_UQUOTANOENF);
seq_puts(m, ",uqnoenforce");
if (mp->m_qflags & XFS_PQUOTA_ACCT) {
if (mp->m_qflags & XFS_PQUOTA_ENFD)
seq_puts(m, "," MNTOPT_PRJQUOTA);
seq_puts(m, ",prjquota");
else
seq_puts(m, "," MNTOPT_PQUOTANOENF);
seq_puts(m, ",pqnoenforce");
}
if (mp->m_qflags & XFS_GQUOTA_ACCT) {
if (mp->m_qflags & XFS_GQUOTA_ENFD)
seq_puts(m, "," MNTOPT_GRPQUOTA);
seq_puts(m, ",grpquota");
else
seq_puts(m, "," MNTOPT_GQUOTANOENF);
seq_puts(m, ",gqnoenforce");
}
if (!(mp->m_qflags & XFS_ALL_QUOTA_ACCT))
seq_puts(m, "," MNTOPT_NOQUOTA);
seq_puts(m, ",noquota");
return 0;
}
@ -572,23 +581,35 @@ xfs_max_file_offset(
}
/*
* xfs_set_inode32() and xfs_set_inode64() are passed an agcount
* because in the growfs case, mp->m_sb.sb_agcount is not updated
* yet to the potentially higher ag count.
* Set parameters for inode allocation heuristics, taking into account
* filesystem size and inode32/inode64 mount options; i.e. specifically
* whether or not XFS_MOUNT_SMALL_INUMS is set.
*
* Inode allocation patterns are altered only if inode32 is requested
* (XFS_MOUNT_SMALL_INUMS), and the filesystem is sufficiently large.
* If altered, XFS_MOUNT_32BITINODES is set as well.
*
* An agcount independent of that in the mount structure is provided
* because in the growfs case, mp->m_sb.sb_agcount is not yet updated
* to the potentially higher ag count.
*
* Returns the maximum AG index which may contain inodes.
*/
xfs_agnumber_t
xfs_set_inode32(struct xfs_mount *mp, xfs_agnumber_t agcount)
xfs_set_inode_alloc(
struct xfs_mount *mp,
xfs_agnumber_t agcount)
{
xfs_agnumber_t index = 0;
xfs_agnumber_t index;
xfs_agnumber_t maxagi = 0;
xfs_sb_t *sbp = &mp->m_sb;
xfs_agnumber_t max_metadata;
xfs_agino_t agino;
xfs_ino_t ino;
xfs_perag_t *pag;
/* Calculate how much should be reserved for inodes to meet
* the max inode percentage.
/*
* Calculate how much should be reserved for inodes to meet
* the max inode percentage. Used only for inode32.
*/
if (mp->m_maxicount) {
__uint64_t icount;
@ -602,54 +623,48 @@ xfs_set_inode32(struct xfs_mount *mp, xfs_agnumber_t agcount)
max_metadata = agcount;
}
/* Get the last possible inode in the filesystem */
agino = XFS_OFFBNO_TO_AGINO(mp, sbp->sb_agblocks - 1, 0);
ino = XFS_AGINO_TO_INO(mp, agcount - 1, agino);
for (index = 0; index < agcount; index++) {
ino = XFS_AGINO_TO_INO(mp, index, agino);
if (ino > XFS_MAXINUMBER_32) {
pag = xfs_perag_get(mp, index);
pag->pagi_inodeok = 0;
pag->pagf_metadata = 0;
xfs_perag_put(pag);
continue;
}
pag = xfs_perag_get(mp, index);
pag->pagi_inodeok = 1;
maxagi++;
if (index < max_metadata)
pag->pagf_metadata = 1;
xfs_perag_put(pag);
}
mp->m_flags |= (XFS_MOUNT_32BITINODES |
XFS_MOUNT_SMALL_INUMS);
return maxagi;
}
xfs_agnumber_t
xfs_set_inode64(struct xfs_mount *mp, xfs_agnumber_t agcount)
{
xfs_agnumber_t index = 0;
/*
* If user asked for no more than 32-bit inodes, and the fs is
* sufficiently large, set XFS_MOUNT_32BITINODES if we must alter
* the allocator to accommodate the request.
*/
if ((mp->m_flags & XFS_MOUNT_SMALL_INUMS) && ino > XFS_MAXINUMBER_32)
mp->m_flags |= XFS_MOUNT_32BITINODES;
else
mp->m_flags &= ~XFS_MOUNT_32BITINODES;
for (index = 0; index < agcount; index++) {
struct xfs_perag *pag;
ino = XFS_AGINO_TO_INO(mp, index, agino);
pag = xfs_perag_get(mp, index);
pag->pagi_inodeok = 1;
pag->pagf_metadata = 0;
if (mp->m_flags & XFS_MOUNT_32BITINODES) {
if (ino > XFS_MAXINUMBER_32) {
pag->pagi_inodeok = 0;
pag->pagf_metadata = 0;
} else {
pag->pagi_inodeok = 1;
maxagi++;
if (index < max_metadata)
pag->pagf_metadata = 1;
else
pag->pagf_metadata = 0;
}
} else {
pag->pagi_inodeok = 1;
pag->pagf_metadata = 0;
}
xfs_perag_put(pag);
}
/* There is no need for lock protection on m_flags,
* the rw_semaphore of the VFS superblock is locked
* during mount/umount/remount operations, so this is
* enough to avoid concurency on the m_flags field
*/
mp->m_flags &= ~(XFS_MOUNT_32BITINODES |
XFS_MOUNT_SMALL_INUMS);
return index;
return (mp->m_flags & XFS_MOUNT_32BITINODES) ? maxagi : agcount;
}
STATIC int
@ -1165,6 +1180,27 @@ xfs_quiesce_attr(
xfs_log_quiesce(mp);
}
STATIC int
xfs_test_remount_options(
struct super_block *sb,
struct xfs_mount *mp,
char *options)
{
int error = 0;
struct xfs_mount *tmp_mp;
tmp_mp = kmem_zalloc(sizeof(*tmp_mp), KM_MAYFAIL);
if (!tmp_mp)
return -ENOMEM;
tmp_mp->m_super = sb;
error = xfs_parseargs(tmp_mp, options);
xfs_free_fsname(tmp_mp);
kfree(tmp_mp);
return error;
}
STATIC int
xfs_fs_remount(
struct super_block *sb,
@ -1177,6 +1213,11 @@ xfs_fs_remount(
char *p;
int error;
/* First, check for complete junk; i.e. invalid options */
error = xfs_test_remount_options(sb, mp, options);
if (error)
return error;
sync_filesystem(sb);
while ((p = strsep(&options, ",")) != NULL) {
int token;
@ -1193,10 +1234,12 @@ xfs_fs_remount(
mp->m_flags &= ~XFS_MOUNT_BARRIER;
break;
case Opt_inode64:
mp->m_maxagi = xfs_set_inode64(mp, sbp->sb_agcount);
mp->m_flags &= ~XFS_MOUNT_SMALL_INUMS;
mp->m_maxagi = xfs_set_inode_alloc(mp, sbp->sb_agcount);
break;
case Opt_inode32:
mp->m_maxagi = xfs_set_inode32(mp, sbp->sb_agcount);
mp->m_flags |= XFS_MOUNT_SMALL_INUMS;
mp->m_maxagi = xfs_set_inode_alloc(mp, sbp->sb_agcount);
break;
default:
/*
@ -1344,9 +1387,8 @@ xfs_finish_flags(
*/
if (xfs_sb_version_hascrc(&mp->m_sb) &&
(mp->m_flags & XFS_MOUNT_NOATTR2)) {
xfs_warn(mp,
"Cannot mount a V5 filesystem as %s. %s is always enabled for V5 filesystems.",
MNTOPT_NOATTR2, MNTOPT_ATTR2);
xfs_warn(mp, "Cannot mount a V5 filesystem as noattr2. "
"attr2 is always enabled for V5 filesystems.");
return -EINVAL;
}
@ -1817,6 +1859,8 @@ init_xfs_fs(void)
{
int error;
xfs_check_ondisk_structs();
printk(KERN_INFO XFS_VERSION_STRING " with "
XFS_BUILD_OPTIONS " enabled\n");

4
fs/xfs/xfs_super.h
View File

@ -65,8 +65,8 @@ extern __uint64_t xfs_max_file_offset(unsigned int);
extern void xfs_flush_inodes(struct xfs_mount *mp);
extern void xfs_blkdev_issue_flush(struct xfs_buftarg *);
extern xfs_agnumber_t xfs_set_inode32(struct xfs_mount *, xfs_agnumber_t agcount);
extern xfs_agnumber_t xfs_set_inode64(struct xfs_mount *, xfs_agnumber_t agcount);
extern xfs_agnumber_t xfs_set_inode_alloc(struct xfs_mount *,
xfs_agnumber_t agcount);
extern const struct export_operations xfs_export_operations;
extern const struct xattr_handler *xfs_xattr_handlers[];

78
fs/xfs/xfs_sysfs.c
View File

@ -18,10 +18,13 @@
#include "xfs.h"
#include "xfs_sysfs.h"
#include "xfs_format.h"
#include "xfs_log_format.h"
#include "xfs_trans_resv.h"
#include "xfs_log.h"
#include "xfs_log_priv.h"
#include "xfs_stats.h"
#include "xfs_mount.h"
struct xfs_sysfs_attr {
struct attribute attr;
@ -45,16 +48,6 @@ to_attr(struct attribute *attr)
#define ATTR_LIST(name) &xfs_sysfs_attr_##name.attr
/*
* xfs_mount kobject. This currently has no attributes and thus no need for show
* and store helpers. The mp kobject serves as the per-mount parent object that
* is identified by the fsname under sysfs.
*/
struct kobj_type xfs_mp_ktype = {
.release = xfs_sysfs_release,
};
STATIC ssize_t
xfs_sysfs_object_show(
struct kobject *kobject,
@ -83,6 +76,71 @@ static const struct sysfs_ops xfs_sysfs_ops = {
.store = xfs_sysfs_object_store,
};
/*
* xfs_mount kobject. The mp kobject also serves as the per-mount parent object
* that is identified by the fsname under sysfs.
*/
static inline struct xfs_mount *
to_mp(struct kobject *kobject)
{
struct xfs_kobj *kobj = to_kobj(kobject);
return container_of(kobj, struct xfs_mount, m_kobj);
}
#ifdef DEBUG
STATIC ssize_t
fail_writes_store(
struct kobject *kobject,
const char *buf,
size_t count)
{
struct xfs_mount *mp = to_mp(kobject);
int ret;
int val;
ret = kstrtoint(buf, 0, &val);
if (ret)
return ret;
if (val == 1)
mp->m_fail_writes = true;
else if (val == 0)
mp->m_fail_writes = false;
else
return -EINVAL;
return count;
}
STATIC ssize_t
fail_writes_show(
struct kobject *kobject,
char *buf)
{
struct xfs_mount *mp = to_mp(kobject);
return snprintf(buf, PAGE_SIZE, "%d\n", mp->m_fail_writes ? 1 : 0);
}
XFS_SYSFS_ATTR_RW(fail_writes);
#endif /* DEBUG */
static struct attribute *xfs_mp_attrs[] = {
#ifdef DEBUG
ATTR_LIST(fail_writes),
#endif
NULL,
};
struct kobj_type xfs_mp_ktype = {
.release = xfs_sysfs_release,
.sysfs_ops = &xfs_sysfs_ops,
.default_attrs = xfs_mp_attrs,
};
#ifdef DEBUG
/* debug */

9
fs/xfs/xfs_trace.h
View File

@ -1296,11 +1296,7 @@ DEFINE_IOMAP_EVENT(xfs_map_blocks_found);
DEFINE_IOMAP_EVENT(xfs_map_blocks_alloc);
DEFINE_IOMAP_EVENT(xfs_get_blocks_found);
DEFINE_IOMAP_EVENT(xfs_get_blocks_alloc);
DEFINE_IOMAP_EVENT(xfs_gbmap_direct);
DEFINE_IOMAP_EVENT(xfs_gbmap_direct_new);
DEFINE_IOMAP_EVENT(xfs_gbmap_direct_update);
DEFINE_IOMAP_EVENT(xfs_gbmap_direct_none);
DEFINE_IOMAP_EVENT(xfs_gbmap_direct_endio);
DEFINE_IOMAP_EVENT(xfs_get_blocks_map_direct);
DECLARE_EVENT_CLASS(xfs_simple_io_class,
TP_PROTO(struct xfs_inode *ip, xfs_off_t offset, ssize_t count),
@ -1340,6 +1336,9 @@ DEFINE_SIMPLE_IO_EVENT(xfs_unwritten_convert);
DEFINE_SIMPLE_IO_EVENT(xfs_get_blocks_notfound);
DEFINE_SIMPLE_IO_EVENT(xfs_setfilesize);
DEFINE_SIMPLE_IO_EVENT(xfs_zero_eof);
DEFINE_SIMPLE_IO_EVENT(xfs_end_io_direct_write);
DEFINE_SIMPLE_IO_EVENT(xfs_end_io_direct_write_unwritten);
DEFINE_SIMPLE_IO_EVENT(xfs_end_io_direct_write_append);
DECLARE_EVENT_CLASS(xfs_itrunc_class,
TP_PROTO(struct xfs_inode *ip, xfs_fsize_t new_size),

4
fs/xfs/xfs_trans.c
View File

@ -1028,6 +1028,8 @@ __xfs_trans_roll(
struct xfs_trans_res tres;
int error;
*committed = 0;
/*
* Ensure that the inode is always logged.
*/
@ -1082,6 +1084,6 @@ xfs_trans_roll(
struct xfs_trans **tpp,
struct xfs_inode *dp)
{
int committed = 0;
int committed;
return __xfs_trans_roll(tpp, dp, &committed);
}

1
fs/xfs/xfs_trans.h
View File

@ -133,7 +133,6 @@ typedef struct xfs_trans {
* XFS transaction mechanism exported interfaces that are
* actually macros.
*/
#define xfs_trans_get_block_res(tp) ((tp)->t_blk_res)
#define xfs_trans_set_sync(tp) ((tp)->t_flags |= XFS_TRANS_SYNC)
#if defined(DEBUG) || defined(XFS_WARN)

5
fs/xfs/xfs_trans_ail.c
View File

@ -497,6 +497,7 @@ xfsaild(
long tout = 0; /* milliseconds */
current->flags |= PF_MEMALLOC;
set_freezable();
while (!kthread_should_stop()) {
if (tout && tout <= 20)
@ -519,14 +520,14 @@ xfsaild(
if (!xfs_ail_min(ailp) &&
ailp->xa_target == ailp->xa_target_prev) {
spin_unlock(&ailp->xa_lock);
schedule();
freezable_schedule();
tout = 0;
continue;
}
spin_unlock(&ailp->xa_lock);
if (tout)
schedule_timeout(msecs_to_jiffies(tout));
freezable_schedule_timeout(msecs_to_jiffies(tout));
__set_current_state(TASK_RUNNING);

10
fs/xfs/xfs_trans_buf.c
View File

@ -155,7 +155,7 @@ xfs_trans_get_buf_map(
ASSERT(xfs_buf_islocked(bp));
if (XFS_FORCED_SHUTDOWN(tp->t_mountp)) {
xfs_buf_stale(bp);
XFS_BUF_DONE(bp);
bp->b_flags |= XBF_DONE;
}
ASSERT(bp->b_transp == tp);
@ -518,7 +518,7 @@ xfs_trans_log_buf(xfs_trans_t *tp,
* inside the b_bdstrat callback so that this won't get written to
* disk.
*/
XFS_BUF_DONE(bp);
bp->b_flags |= XBF_DONE;
ASSERT(atomic_read(&bip->bli_refcount) > 0);
bp->b_iodone = xfs_buf_iodone_callbacks;
@ -534,8 +534,8 @@ xfs_trans_log_buf(xfs_trans_t *tp,
*/
if (bip->bli_flags & XFS_BLI_STALE) {
bip->bli_flags &= ~XFS_BLI_STALE;
ASSERT(XFS_BUF_ISSTALE(bp));
XFS_BUF_UNSTALE(bp);
ASSERT(bp->b_flags & XBF_STALE);
bp->b_flags &= ~XBF_STALE;
bip->__bli_format.blf_flags &= ~XFS_BLF_CANCEL;
}
@ -600,7 +600,7 @@ xfs_trans_binval(
* If the buffer is already invalidated, then
* just return.
*/
ASSERT(XFS_BUF_ISSTALE(bp));
ASSERT(bp->b_flags & XBF_STALE);
ASSERT(!(bip->bli_flags & (XFS_BLI_LOGGED | XFS_BLI_DIRTY)));
ASSERT(!(bip->__bli_format.blf_flags & XFS_BLF_INODE_BUF));
ASSERT(!(bip->__bli_format.blf_flags & XFS_BLFT_MASK));

15
fs/xfs/xfs_trans_dquot.c
View File

@ -609,17 +609,20 @@ xfs_trans_dqresv(
xfs_qcnt_t total_count;
xfs_qcnt_t *resbcountp;
xfs_quotainfo_t *q = mp->m_quotainfo;
struct xfs_def_quota *defq;
xfs_dqlock(dqp);
defq = xfs_get_defquota(dqp, q);
if (flags & XFS_TRANS_DQ_RES_BLKS) {
hardlimit = be64_to_cpu(dqp->q_core.d_blk_hardlimit);
if (!hardlimit)
hardlimit = q->qi_bhardlimit;
hardlimit = defq->bhardlimit;
softlimit = be64_to_cpu(dqp->q_core.d_blk_softlimit);
if (!softlimit)
softlimit = q->qi_bsoftlimit;
softlimit = defq->bsoftlimit;
timer = be32_to_cpu(dqp->q_core.d_btimer);
warns = be16_to_cpu(dqp->q_core.d_bwarns);
warnlimit = dqp->q_mount->m_quotainfo->qi_bwarnlimit;
@ -628,10 +631,10 @@ xfs_trans_dqresv(
ASSERT(flags & XFS_TRANS_DQ_RES_RTBLKS);
hardlimit = be64_to_cpu(dqp->q_core.d_rtb_hardlimit);
if (!hardlimit)
hardlimit = q->qi_rtbhardlimit;
hardlimit = defq->rtbhardlimit;
softlimit = be64_to_cpu(dqp->q_core.d_rtb_softlimit);
if (!softlimit)
softlimit = q->qi_rtbsoftlimit;
softlimit = defq->rtbsoftlimit;
timer = be32_to_cpu(dqp->q_core.d_rtbtimer);
warns = be16_to_cpu(dqp->q_core.d_rtbwarns);
warnlimit = dqp->q_mount->m_quotainfo->qi_rtbwarnlimit;
@ -672,10 +675,10 @@ xfs_trans_dqresv(
warnlimit = dqp->q_mount->m_quotainfo->qi_iwarnlimit;
hardlimit = be64_to_cpu(dqp->q_core.d_ino_hardlimit);
if (!hardlimit)
hardlimit = q->qi_ihardlimit;
hardlimit = defq->ihardlimit;
softlimit = be64_to_cpu(dqp->q_core.d_ino_softlimit);
if (!softlimit)
softlimit = q->qi_isoftlimit;
softlimit = defq->isoftlimit;
if (hardlimit && total_count > hardlimit) {
xfs_quota_warn(mp, dqp, QUOTA_NL_IHARDWARN);

14
fs/xfs/xfs_trans_inode.c
View File

@ -75,18 +75,10 @@ xfs_trans_ichgtime(
tv = current_fs_time(inode->i_sb);
if ((flags & XFS_ICHGTIME_MOD) &&
!timespec_equal(&inode->i_mtime, &tv)) {
if (flags & XFS_ICHGTIME_MOD)
inode->i_mtime = tv;
ip->i_d.di_mtime.t_sec = tv.tv_sec;
ip->i_d.di_mtime.t_nsec = tv.tv_nsec;
}
if ((flags & XFS_ICHGTIME_CHG) &&
!timespec_equal(&inode->i_ctime, &tv)) {
if (flags & XFS_ICHGTIME_CHG)
inode->i_ctime = tv;
ip->i_d.di_ctime.t_sec = tv.tv_sec;
ip->i_d.di_ctime.t_nsec = tv.tv_nsec;
}
}
/*
@ -125,7 +117,7 @@ xfs_trans_log_inode(
*/
if (!(ip->i_itemp->ili_item.li_desc->lid_flags & XFS_LID_DIRTY) &&
IS_I_VERSION(VFS_I(ip))) {
ip->i_d.di_changecount = ++VFS_I(ip)->i_version;
VFS_I(ip)->i_version++;
flags |= XFS_ILOG_CORE;
}

2
include/linux/fs.h
View File

@ -72,7 +72,7 @@ extern int sysctl_protected_hardlinks;
struct buffer_head;
typedef int (get_block_t)(struct inode *inode, sector_t iblock,
struct buffer_head *bh_result, int create);
typedef void (dio_iodone_t)(struct kiocb *iocb, loff_t offset,
typedef int (dio_iodone_t)(struct kiocb *iocb, loff_t offset,
ssize_t bytes, void *private);
typedef void (dax_iodone_t)(struct buffer_head *bh_map, int uptodate);

2
include/linux/quota.h
View File

@ -425,6 +425,8 @@ struct quotactl_ops {
int (*quota_sync)(struct super_block *, int);
int (*set_info)(struct super_block *, int, struct qc_info *);
int (*get_dqblk)(struct super_block *, struct kqid, struct qc_dqblk *);
int (*get_nextdqblk)(struct super_block *, struct kqid *,
struct qc_dqblk *);
int (*set_dqblk)(struct super_block *, struct kqid, struct qc_dqblk *);
int (*get_state)(struct super_block *, struct qc_state *);
int (*rm_xquota)(struct super_block *, unsigned int);

1
include/uapi/linux/dqblk_xfs.h
View File

@ -39,6 +39,7 @@
#define Q_XQUOTARM XQM_CMD(6) /* free disk space used by dquots */
#define Q_XQUOTASYNC XQM_CMD(7) /* delalloc flush, updates dquots */
#define Q_XGETQSTATV XQM_CMD(8) /* newer version of get quota */
#define Q_XGETNEXTQUOTA XQM_CMD(9) /* get disk limits and usage >= ID */
/*
* fs_disk_quota structure:

14
include/uapi/linux/quota.h
View File

@ -71,6 +71,7 @@
#define Q_SETINFO 0x800006 /* set information about quota files */
#define Q_GETQUOTA 0x800007 /* get user quota structure */
#define Q_SETQUOTA 0x800008 /* set user quota structure */
#define Q_GETNEXTQUOTA 0x800009 /* get disk limits and usage >= ID */
/* Quota format type IDs */
#define QFMT_VFS_OLD 1
@ -119,6 +120,19 @@ struct if_dqblk {
__u32 dqb_valid;
};
struct if_nextdqblk {
__u64 dqb_bhardlimit;
__u64 dqb_bsoftlimit;
__u64 dqb_curspace;
__u64 dqb_ihardlimit;
__u64 dqb_isoftlimit;
__u64 dqb_curinodes;
__u64 dqb_btime;
__u64 dqb_itime;
__u32 dqb_valid;
__u32 dqb_id;
};
/*
* Structure used for setting quota information about file via quotactl
* Following flags are used to specify which fields are valid