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jfs patches for 3.16 

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Merge tag 'jfs-3.16' of git://github.com/kleikamp/linux-shaggy into next

Pull jfs changes from Dave Kleikamp.

* tag 'jfs-3.16' of git://github.com/kleikamp/linux-shaggy:
  fs/jfs/super.c: convert simple_str to kstr
  fs/jfs/jfs_dmap.c: replace min/casting by min_t
  fs/jfs/super.c: remove 0 assignment to static + code clean-up
  fs/jfs/jfs_logmgr.c: remove NULL assignment on static
  JFS: Check for NULL before calling posix_acl_equiv_mode()
  fs/jfs/jfs_inode.c: atomically set inode->i_flags
This commit is contained in:
Linus Torvalds 2014-06-04 08:39:03 -07:00
parent ba1bdefec3 bb5e50aaa8
commit daf342af2f
5 changed files with 66 additions and 54 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
fs/jfs/acl.c
View File

@ -83,13 +83,15 @@ static int __jfs_set_acl(tid_t tid, struct inode *inode, int type,
switch (type) {
case ACL_TYPE_ACCESS:
ea_name = POSIX_ACL_XATTR_ACCESS;
rc = posix_acl_equiv_mode(acl, &inode->i_mode);
if (rc < 0)
return rc;
inode->i_ctime = CURRENT_TIME;
mark_inode_dirty(inode);
if (rc == 0)
acl = NULL;
if (acl) {
rc = posix_acl_equiv_mode(acl, &inode->i_mode);
if (rc < 0)
return rc;
inode->i_ctime = CURRENT_TIME;
mark_inode_dirty(inode);
if (rc == 0)
acl = NULL;
}
break;
case ACL_TYPE_DEFAULT:
ea_name = POSIX_ACL_XATTR_DEFAULT;

9
fs/jfs/jfs_dmap.c
View File

@ -1208,7 +1208,7 @@ static int dbAllocNext(struct bmap * bmp, struct dmap * dp, s64 blkno,
* by this leaf.
*/
l2size =
min((int)leaf[word], NLSTOL2BSZ(nwords));
min_t(int, leaf[word], NLSTOL2BSZ(nwords));
/* determine how many words were handled.
*/
@ -1902,7 +1902,7 @@ dbAllocCtl(struct bmap * bmp, s64 nblocks, int l2nb, s64 blkno, s64 * results)
/* determine how many blocks to allocate from this dmap.
*/
nb = min(n, (s64)BPERDMAP);
nb = min_t(s64, n, BPERDMAP);
/* allocate the blocks from the dmap.
*/
@ -2260,7 +2260,8 @@ static void dbAllocBits(struct bmap * bmp, struct dmap * dp, s64 blkno,
* of bits being allocated and the l2 number
* of bits currently described by this leaf.
*/
size = min((int)leaf[word], NLSTOL2BSZ(nwords));
size = min_t(int, leaf[word],
NLSTOL2BSZ(nwords));
/* update the leaf to reflect the allocation.
* in addition to setting the leaf value to
@ -3563,7 +3564,7 @@ int dbExtendFS(struct inode *ipbmap, s64 blkno, s64 nblocks)
if (mp == NULL)
goto errout;
n = min(nblocks, (s64)BPERDMAP);
n = min_t(s64, nblocks, BPERDMAP);
}
dp = (struct dmap *) mp->data;

16
fs/jfs/jfs_inode.c
View File

@ -29,20 +29,20 @@
void jfs_set_inode_flags(struct inode *inode)
{
unsigned int flags = JFS_IP(inode)->mode2;
inode->i_flags &= ~(S_IMMUTABLE | S_APPEND |
S_NOATIME | S_DIRSYNC | S_SYNC);
unsigned int new_fl = 0;
if (flags & JFS_IMMUTABLE_FL)
inode->i_flags |= S_IMMUTABLE;
new_fl |= S_IMMUTABLE;
if (flags & JFS_APPEND_FL)
inode->i_flags |= S_APPEND;
new_fl |= S_APPEND;
if (flags & JFS_NOATIME_FL)
inode->i_flags |= S_NOATIME;
new_fl |= S_NOATIME;
if (flags & JFS_DIRSYNC_FL)
inode->i_flags |= S_DIRSYNC;
new_fl |= S_DIRSYNC;
if (flags & JFS_SYNC_FL)
inode->i_flags |= S_SYNC;
new_fl |= S_SYNC;
inode_set_flags(inode, new_fl, S_IMMUTABLE | S_APPEND | S_NOATIME |
S_DIRSYNC | S_SYNC);
}
void jfs_get_inode_flags(struct jfs_inode_info *jfs_ip)

2
fs/jfs/jfs_logmgr.c
View File

@ -167,7 +167,7 @@ do { \
* Global list of active external journals
*/
static LIST_HEAD(jfs_external_logs);
static struct jfs_log *dummy_log = NULL;
static struct jfs_log *dummy_log;
static DEFINE_MUTEX(jfs_log_mutex);
/*

77
fs/jfs/super.c
View File

@ -50,14 +50,14 @@ MODULE_DESCRIPTION("The Journaled Filesystem (JFS)");
MODULE_AUTHOR("Steve Best/Dave Kleikamp/Barry Arndt, IBM");
MODULE_LICENSE("GPL");
static struct kmem_cache * jfs_inode_cachep;
static struct kmem_cache *jfs_inode_cachep;
static const struct super_operations jfs_super_operations;
static const struct export_operations jfs_export_operations;
static struct file_system_type jfs_fs_type;
#define MAX_COMMIT_THREADS 64
static int commit_threads = 0;
static int commit_threads;
module_param(commit_threads, int, 0);
MODULE_PARM_DESC(commit_threads, "Number of commit threads");
@ -84,8 +84,7 @@ static void jfs_handle_error(struct super_block *sb)
panic("JFS (device %s): panic forced after error\n",
sb->s_id);
else if (sbi->flag & JFS_ERR_REMOUNT_RO) {
jfs_err("ERROR: (device %s): remounting filesystem "
"as read-only\n",
jfs_err("ERROR: (device %s): remounting filesystem as read-only\n",
sb->s_id);
sb->s_flags |= MS_RDONLY;
}
@ -273,7 +272,10 @@ static int parse_options(char *options, struct super_block *sb, s64 *newLVSize,
case Opt_resize:
{
char *resize = args[0].from;
*newLVSize = simple_strtoull(resize, &resize, 0);
int rc = kstrtoll(resize, 0, newLVSize);
if (rc)
goto cleanup;
break;
}
case Opt_resize_nosize:
@ -327,7 +329,11 @@ static int parse_options(char *options, struct super_block *sb, s64 *newLVSize,
case Opt_uid:
{
char *uid = args[0].from;
uid_t val = simple_strtoul(uid, &uid, 0);
uid_t val;
int rc = kstrtouint(uid, 0, &val);
if (rc)
goto cleanup;
sbi->uid = make_kuid(current_user_ns(), val);
if (!uid_valid(sbi->uid))
goto cleanup;
@ -337,7 +343,11 @@ static int parse_options(char *options, struct super_block *sb, s64 *newLVSize,
case Opt_gid:
{
char *gid = args[0].from;
gid_t val = simple_strtoul(gid, &gid, 0);
gid_t val;
int rc = kstrtouint(gid, 0, &val);
if (rc)
goto cleanup;
sbi->gid = make_kgid(current_user_ns(), val);
if (!gid_valid(sbi->gid))
goto cleanup;
@ -347,7 +357,10 @@ static int parse_options(char *options, struct super_block *sb, s64 *newLVSize,
case Opt_umask:
{
char *umask = args[0].from;
sbi->umask = simple_strtoul(umask, &umask, 8);
int rc = kstrtouint(umask, 8, &sbi->umask);
if (rc)
goto cleanup;
if (sbi->umask & ~0777) {
pr_err("JFS: Invalid value of umask\n");
goto cleanup;
@ -363,12 +376,10 @@ static int parse_options(char *options, struct super_block *sb, s64 *newLVSize,
* -> user has more control over the online trimming
*/
sbi->minblks_trim = 64;
if (blk_queue_discard(q)) {
if (blk_queue_discard(q))
*flag |= JFS_DISCARD;
} else {
pr_err("JFS: discard option " \
"not supported on device\n");
}
else
pr_err("JFS: discard option not supported on device\n");
break;
}
@ -380,20 +391,21 @@ static int parse_options(char *options, struct super_block *sb, s64 *newLVSize,
{
struct request_queue *q = bdev_get_queue(sb->s_bdev);
char *minblks_trim = args[0].from;
int rc;
if (blk_queue_discard(q)) {
*flag |= JFS_DISCARD;
sbi->minblks_trim = simple_strtoull(
minblks_trim, &minblks_trim, 0);
} else {
pr_err("JFS: discard option " \
"not supported on device\n");
}
rc = kstrtouint(minblks_trim, 0,
&sbi->minblks_trim);
if (rc)
goto cleanup;
} else
pr_err("JFS: discard option not supported on device\n");
break;
}
default:
printk("jfs: Unrecognized mount option \"%s\" "
" or missing value\n", p);
printk("jfs: Unrecognized mount option \"%s\" or missing value\n",
p);
goto cleanup;
}
}
@ -419,14 +431,12 @@ static int jfs_remount(struct super_block *sb, int *flags, char *data)
int ret;
sync_filesystem(sb);
if (!parse_options(data, sb, &newLVSize, &flag)) {
if (!parse_options(data, sb, &newLVSize, &flag))
return -EINVAL;
}
if (newLVSize) {
if (sb->s_flags & MS_RDONLY) {
pr_err("JFS: resize requires volume" \
" to be mounted read-write\n");
pr_err("JFS: resize requires volume to be mounted read-write\n");
return -EROFS;
}
rc = jfs_extendfs(sb, newLVSize, 0);
@ -452,9 +462,8 @@ static int jfs_remount(struct super_block *sb, int *flags, char *data)
}
if ((!(sb->s_flags & MS_RDONLY)) && (*flags & MS_RDONLY)) {
rc = dquot_suspend(sb, -1);
if (rc < 0) {
if (rc < 0)
return rc;
}
rc = jfs_umount_rw(sb);
JFS_SBI(sb)->flag = flag;
return rc;
@ -487,7 +496,7 @@ static int jfs_fill_super(struct super_block *sb, void *data, int silent)
if (!new_valid_dev(sb->s_bdev->bd_dev))
return -EOVERFLOW;
sbi = kzalloc(sizeof (struct jfs_sb_info), GFP_KERNEL);
sbi = kzalloc(sizeof(struct jfs_sb_info), GFP_KERNEL);
if (!sbi)
return -ENOMEM;
@ -548,9 +557,8 @@ static int jfs_fill_super(struct super_block *sb, void *data, int silent)
rc = jfs_mount(sb);
if (rc) {
if (!silent) {
if (!silent)
jfs_err("jfs_mount failed w/return code = %d", rc);
}
goto out_mount_failed;
}
if (sb->s_flags & MS_RDONLY)
@ -587,7 +595,8 @@ static int jfs_fill_super(struct super_block *sb, void *data, int silent)
* Page cache is indexed by long.
* I would use MAX_LFS_FILESIZE, but it's only half as big
*/
sb->s_maxbytes = min(((u64) PAGE_CACHE_SIZE << 32) - 1, (u64)sb->s_maxbytes);
sb->s_maxbytes = min(((u64) PAGE_CACHE_SIZE << 32) - 1,
(u64)sb->s_maxbytes);
#endif
sb->s_time_gran = 1;
return 0;
@ -597,9 +606,8 @@ out_no_root:
out_no_rw:
rc = jfs_umount(sb);
if (rc) {
if (rc)
jfs_err("jfs_umount failed with return code %d", rc);
}
out_mount_failed:
filemap_write_and_wait(sbi->direct_inode->i_mapping);
truncate_inode_pages(sbi->direct_inode->i_mapping, 0);
@ -924,7 +932,8 @@ static int __init init_jfs_fs(void)
commit_threads = MAX_COMMIT_THREADS;
for (i = 0; i < commit_threads; i++) {
jfsCommitThread[i] = kthread_run(jfs_lazycommit, NULL, "jfsCommit");
jfsCommitThread[i] = kthread_run(jfs_lazycommit, NULL,
"jfsCommit");
if (IS_ERR(jfsCommitThread[i])) {
rc = PTR_ERR(jfsCommitThread[i]);
jfs_err("init_jfs_fs: fork failed w/rc = %d", rc);