Merge branch 'xfs-feature-bit-cleanup' into for-next
Conflicts: fs/xfs/xfs_inode.c
This commit is contained in:
commit
b70f14e1ff
|
@ -92,7 +92,7 @@ xfs_dir_mount(
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int nodehdr_size;
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ASSERT(xfs_sb_version_hasdirv2(&mp->m_sb));
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ASSERT(mp->m_sb.sb_versionnum & XFS_SB_VERSION_DIRV2BIT);
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ASSERT((1 << (mp->m_sb.sb_blocklog + mp->m_sb.sb_dirblklog)) <=
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XFS_MAX_BLOCKSIZE);
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|
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@ -74,23 +74,18 @@ xfs_fs_geometry(
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}
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if (new_version >= 3) {
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geo->version = XFS_FSOP_GEOM_VERSION;
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geo->flags =
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geo->flags = XFS_FSOP_GEOM_FLAGS_NLINK |
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XFS_FSOP_GEOM_FLAGS_DIRV2 |
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(xfs_sb_version_hasattr(&mp->m_sb) ?
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XFS_FSOP_GEOM_FLAGS_ATTR : 0) |
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(xfs_sb_version_hasnlink(&mp->m_sb) ?
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XFS_FSOP_GEOM_FLAGS_NLINK : 0) |
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(xfs_sb_version_hasquota(&mp->m_sb) ?
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XFS_FSOP_GEOM_FLAGS_QUOTA : 0) |
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(xfs_sb_version_hasalign(&mp->m_sb) ?
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XFS_FSOP_GEOM_FLAGS_IALIGN : 0) |
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(xfs_sb_version_hasdalign(&mp->m_sb) ?
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XFS_FSOP_GEOM_FLAGS_DALIGN : 0) |
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(xfs_sb_version_hasshared(&mp->m_sb) ?
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XFS_FSOP_GEOM_FLAGS_SHARED : 0) |
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(xfs_sb_version_hasextflgbit(&mp->m_sb) ?
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XFS_FSOP_GEOM_FLAGS_EXTFLG : 0) |
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(xfs_sb_version_hasdirv2(&mp->m_sb) ?
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XFS_FSOP_GEOM_FLAGS_DIRV2 : 0) |
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(xfs_sb_version_hassector(&mp->m_sb) ?
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XFS_FSOP_GEOM_FLAGS_SECTOR : 0) |
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(xfs_sb_version_hasasciici(&mp->m_sb) ?
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|
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@ -280,10 +280,8 @@ xfs_ialloc_inode_init(
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if (tp)
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xfs_icreate_log(tp, agno, agbno, mp->m_ialloc_inos,
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mp->m_sb.sb_inodesize, length, gen);
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} else if (xfs_sb_version_hasnlink(&mp->m_sb))
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} else
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version = 2;
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else
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version = 1;
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for (j = 0; j < nbufs; j++) {
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/*
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|
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@ -681,6 +681,14 @@ xfs_ialloc(
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return error;
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ASSERT(ip != NULL);
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/*
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* We always convert v1 inodes to v2 now - we only support filesystems
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* with >= v2 inode capability, so there is no reason for ever leaving
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* an inode in v1 format.
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*/
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if (ip->i_d.di_version == 1)
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ip->i_d.di_version = 2;
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ip->i_d.di_mode = mode;
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ip->i_d.di_onlink = 0;
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ip->i_d.di_nlink = nlink;
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@ -690,27 +698,6 @@ xfs_ialloc(
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xfs_set_projid(ip, prid);
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memset(&(ip->i_d.di_pad[0]), 0, sizeof(ip->i_d.di_pad));
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/*
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* If the superblock version is up to where we support new format
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* inodes and this is currently an old format inode, then change
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* the inode version number now. This way we only do the conversion
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* here rather than here and in the flush/logging code.
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*/
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if (xfs_sb_version_hasnlink(&mp->m_sb) &&
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ip->i_d.di_version == 1) {
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ip->i_d.di_version = 2;
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/*
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* We've already zeroed the old link count, the projid field,
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* and the pad field.
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*/
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}
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/*
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* Project ids won't be stored on disk if we are using a version 1 inode.
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*/
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if ((prid != 0) && (ip->i_d.di_version == 1))
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xfs_bump_ino_vers2(tp, ip);
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if (pip && XFS_INHERIT_GID(pip)) {
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ip->i_d.di_gid = pip->i_d.di_gid;
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if ((pip->i_d.di_mode & S_ISGID) && S_ISDIR(mode)) {
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@ -1055,40 +1042,6 @@ xfs_droplink(
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return error;
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}
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/*
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* This gets called when the inode's version needs to be changed from 1 to 2.
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* Currently this happens when the nlink field overflows the old 16-bit value
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* or when chproj is called to change the project for the first time.
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* As a side effect the superblock version will also get rev'd
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* to contain the NLINK bit.
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*/
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void
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xfs_bump_ino_vers2(
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xfs_trans_t *tp,
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xfs_inode_t *ip)
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{
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xfs_mount_t *mp;
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ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
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ASSERT(ip->i_d.di_version == 1);
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ip->i_d.di_version = 2;
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ip->i_d.di_onlink = 0;
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memset(&(ip->i_d.di_pad[0]), 0, sizeof(ip->i_d.di_pad));
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mp = tp->t_mountp;
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if (!xfs_sb_version_hasnlink(&mp->m_sb)) {
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spin_lock(&mp->m_sb_lock);
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if (!xfs_sb_version_hasnlink(&mp->m_sb)) {
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xfs_sb_version_addnlink(&mp->m_sb);
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spin_unlock(&mp->m_sb_lock);
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xfs_mod_sb(tp, XFS_SB_VERSIONNUM);
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} else {
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spin_unlock(&mp->m_sb_lock);
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}
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}
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/* Caller must log the inode */
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}
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/*
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* Increment the link count on an inode & log the change.
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*/
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@ -1099,22 +1052,10 @@ xfs_bumplink(
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{
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xfs_trans_ichgtime(tp, ip, XFS_ICHGTIME_CHG);
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ASSERT(ip->i_d.di_version > 1);
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ASSERT(ip->i_d.di_nlink > 0 || (VFS_I(ip)->i_state & I_LINKABLE));
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ip->i_d.di_nlink++;
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inc_nlink(VFS_I(ip));
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if ((ip->i_d.di_version == 1) &&
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(ip->i_d.di_nlink > XFS_MAXLINK_1)) {
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/*
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* The inode has increased its number of links beyond
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* what can fit in an old format inode. It now needs
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* to be converted to a version 2 inode with a 32 bit
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* link count. If this is the first inode in the file
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* system to do this, then we need to bump the superblock
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* version number as well.
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*/
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xfs_bump_ino_vers2(tp, ip);
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}
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xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
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return 0;
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}
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@ -3249,6 +3190,7 @@ xfs_iflush_int(
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ASSERT(ip->i_d.di_format != XFS_DINODE_FMT_BTREE ||
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ip->i_d.di_nextents > XFS_IFORK_MAXEXT(ip, XFS_DATA_FORK));
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ASSERT(iip != NULL && iip->ili_fields != 0);
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ASSERT(ip->i_d.di_version > 1);
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/* set *dip = inode's place in the buffer */
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dip = (xfs_dinode_t *)xfs_buf_offset(bp, ip->i_imap.im_boffset);
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@ -3309,7 +3251,7 @@ xfs_iflush_int(
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}
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/*
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* Inode item log recovery for v1/v2 inodes are dependent on the
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* Inode item log recovery for v2 inodes are dependent on the
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* di_flushiter count for correct sequencing. We bump the flush
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* iteration count so we can detect flushes which postdate a log record
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* during recovery. This is redundant as we now log every change and
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|
@ -3332,37 +3274,6 @@ xfs_iflush_int(
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if (ip->i_d.di_flushiter == DI_MAX_FLUSH)
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ip->i_d.di_flushiter = 0;
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/*
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* If this is really an old format inode and the superblock version
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* has not been updated to support only new format inodes, then
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* convert back to the old inode format. If the superblock version
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* has been updated, then make the conversion permanent.
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*/
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ASSERT(ip->i_d.di_version == 1 || xfs_sb_version_hasnlink(&mp->m_sb));
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if (ip->i_d.di_version == 1) {
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if (!xfs_sb_version_hasnlink(&mp->m_sb)) {
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/*
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* Convert it back.
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*/
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ASSERT(ip->i_d.di_nlink <= XFS_MAXLINK_1);
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dip->di_onlink = cpu_to_be16(ip->i_d.di_nlink);
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} else {
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/*
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* The superblock version has already been bumped,
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* so just make the conversion to the new inode
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* format permanent.
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*/
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ip->i_d.di_version = 2;
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dip->di_version = 2;
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ip->i_d.di_onlink = 0;
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dip->di_onlink = 0;
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memset(&(ip->i_d.di_pad[0]), 0, sizeof(ip->i_d.di_pad));
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memset(&(dip->di_pad[0]), 0,
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sizeof(dip->di_pad));
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ASSERT(xfs_get_projid(ip) == 0);
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}
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}
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xfs_iflush_fork(ip, dip, iip, XFS_DATA_FORK);
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if (XFS_IFORK_Q(ip))
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xfs_iflush_fork(ip, dip, iip, XFS_ATTR_FORK);
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|
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@ -377,7 +377,6 @@ int xfs_dir_ialloc(struct xfs_trans **, struct xfs_inode *, umode_t,
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struct xfs_inode **, int *);
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int xfs_droplink(struct xfs_trans *, struct xfs_inode *);
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int xfs_bumplink(struct xfs_trans *, struct xfs_inode *);
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void xfs_bump_ino_vers2(struct xfs_trans *, struct xfs_inode *);
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/* from xfs_file.c */
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int xfs_zero_eof(struct xfs_inode *, xfs_off_t, xfs_fsize_t);
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|
|
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@ -437,17 +437,16 @@ xfs_iread(
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}
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/*
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* The inode format changed when we moved the link count and
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* made it 32 bits long. If this is an old format inode,
|
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* convert it in memory to look like a new one. If it gets
|
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* flushed to disk we will convert back before flushing or
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* logging it. We zero out the new projid field and the old link
|
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* count field. We'll handle clearing the pad field (the remains
|
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* of the old uuid field) when we actually convert the inode to
|
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* the new format. We don't change the version number so that we
|
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* can distinguish this from a real new format inode.
|
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* Automatically convert version 1 inode formats in memory to version 2
|
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* inode format. If the inode is modified, it will get logged and
|
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* rewritten as a version 2 inode. We can do this because we set the
|
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* superblock feature bit for v2 inodes unconditionally during mount
|
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* and it means the reast of the code can assume the inode version is 2
|
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* or higher.
|
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*/
|
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if (ip->i_d.di_version == 1) {
|
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ip->i_d.di_version = 2;
|
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memset(&(ip->i_d.di_pad[0]), 0, sizeof(ip->i_d.di_pad));
|
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ip->i_d.di_nlink = ip->i_d.di_onlink;
|
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ip->i_d.di_onlink = 0;
|
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xfs_set_projid(ip, 0);
|
||||
|
|
|
@ -145,34 +145,6 @@ xfs_inode_item_size(
|
|||
xfs_inode_item_attr_fork_size(iip, nvecs, nbytes);
|
||||
}
|
||||
|
||||
/*
|
||||
* If this is a v1 format inode, then we need to log it as such. This means
|
||||
* that we have to copy the link count from the new field to the old. We
|
||||
* don't have to worry about the new fields, because nothing trusts them as
|
||||
* long as the old inode version number is there.
|
||||
*/
|
||||
STATIC void
|
||||
xfs_inode_item_format_v1_inode(
|
||||
struct xfs_inode *ip)
|
||||
{
|
||||
if (!xfs_sb_version_hasnlink(&ip->i_mount->m_sb)) {
|
||||
/*
|
||||
* Convert it back.
|
||||
*/
|
||||
ASSERT(ip->i_d.di_nlink <= XFS_MAXLINK_1);
|
||||
ip->i_d.di_onlink = ip->i_d.di_nlink;
|
||||
} else {
|
||||
/*
|
||||
* The superblock version has already been bumped,
|
||||
* so just make the conversion to the new inode
|
||||
* format permanent.
|
||||
*/
|
||||
ip->i_d.di_version = 2;
|
||||
ip->i_d.di_onlink = 0;
|
||||
memset(&(ip->i_d.di_pad[0]), 0, sizeof(ip->i_d.di_pad));
|
||||
}
|
||||
}
|
||||
|
||||
STATIC void
|
||||
xfs_inode_item_format_data_fork(
|
||||
struct xfs_inode_log_item *iip,
|
||||
|
@ -370,6 +342,8 @@ xfs_inode_item_format(
|
|||
struct xfs_inode_log_format *ilf;
|
||||
struct xfs_log_iovec *vecp = NULL;
|
||||
|
||||
ASSERT(ip->i_d.di_version > 1);
|
||||
|
||||
ilf = xlog_prepare_iovec(lv, &vecp, XLOG_REG_TYPE_IFORMAT);
|
||||
ilf->ilf_type = XFS_LI_INODE;
|
||||
ilf->ilf_ino = ip->i_ino;
|
||||
|
@ -380,8 +354,6 @@ xfs_inode_item_format(
|
|||
ilf->ilf_size = 2; /* format + core */
|
||||
xlog_finish_iovec(lv, vecp, sizeof(struct xfs_inode_log_format));
|
||||
|
||||
if (ip->i_d.di_version == 1)
|
||||
xfs_inode_item_format_v1_inode(ip);
|
||||
xlog_copy_iovec(lv, &vecp, XLOG_REG_TYPE_ICORE,
|
||||
&ip->i_d,
|
||||
xfs_icdinode_size(ip->i_d.di_version));
|
||||
|
|
|
@ -1228,15 +1228,8 @@ xfs_ioctl_setattr(
|
|||
olddquot = xfs_qm_vop_chown(tp, ip,
|
||||
&ip->i_pdquot, pdqp);
|
||||
}
|
||||
ASSERT(ip->i_d.di_version > 1);
|
||||
xfs_set_projid(ip, fa->fsx_projid);
|
||||
|
||||
/*
|
||||
* We may have to rev the inode as well as
|
||||
* the superblock version number since projids didn't
|
||||
* exist before DINODE_VERSION_2 and SB_VERSION_NLINK.
|
||||
*/
|
||||
if (ip->i_d.di_version == 1)
|
||||
xfs_bump_ino_vers2(tp, ip);
|
||||
}
|
||||
|
||||
}
|
||||
|
|
|
@ -697,6 +697,12 @@ xfs_mountfs(
|
|||
mp->m_update_flags |= XFS_SB_VERSIONNUM;
|
||||
}
|
||||
|
||||
/* always use v2 inodes by default now */
|
||||
if (!(mp->m_sb.sb_versionnum & XFS_SB_VERSION_NLINKBIT)) {
|
||||
mp->m_sb.sb_versionnum |= XFS_SB_VERSION_NLINKBIT;
|
||||
mp->m_update_flags |= XFS_SB_VERSIONNUM;
|
||||
}
|
||||
|
||||
/*
|
||||
* Check if sb_agblocks is aligned at stripe boundary
|
||||
* If sb_agblocks is NOT aligned turn off m_dalign since
|
||||
|
|
|
@ -291,7 +291,8 @@ xfs_mount_validate_sb(
|
|||
(sbp->sb_imax_pct > 100 /* zero sb_imax_pct is valid */) ||
|
||||
sbp->sb_dblocks == 0 ||
|
||||
sbp->sb_dblocks > XFS_MAX_DBLOCKS(sbp) ||
|
||||
sbp->sb_dblocks < XFS_MIN_DBLOCKS(sbp))) {
|
||||
sbp->sb_dblocks < XFS_MIN_DBLOCKS(sbp) ||
|
||||
sbp->sb_shared_vn != 0)) {
|
||||
xfs_notice(mp, "SB sanity check failed");
|
||||
return XFS_ERROR(EFSCORRUPTED);
|
||||
}
|
||||
|
@ -333,15 +334,6 @@ xfs_mount_validate_sb(
|
|||
xfs_warn(mp, "Offline file system operation in progress!");
|
||||
return XFS_ERROR(EFSCORRUPTED);
|
||||
}
|
||||
|
||||
/*
|
||||
* Version 1 directory format has never worked on Linux.
|
||||
*/
|
||||
if (unlikely(!xfs_sb_version_hasdirv2(sbp))) {
|
||||
xfs_warn(mp, "file system using version 1 directory format");
|
||||
return XFS_ERROR(ENOSYS);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
|
225
fs/xfs/xfs_sb.h
225
fs/xfs/xfs_sb.h
|
@ -36,8 +36,6 @@ struct xfs_trans;
|
|||
#define XFS_SB_VERSION_5 5 /* CRC enabled filesystem */
|
||||
#define XFS_SB_VERSION_NUMBITS 0x000f
|
||||
#define XFS_SB_VERSION_ALLFBITS 0xfff0
|
||||
#define XFS_SB_VERSION_SASHFBITS 0xf000
|
||||
#define XFS_SB_VERSION_REALFBITS 0x0ff0
|
||||
#define XFS_SB_VERSION_ATTRBIT 0x0010
|
||||
#define XFS_SB_VERSION_NLINKBIT 0x0020
|
||||
#define XFS_SB_VERSION_QUOTABIT 0x0040
|
||||
|
@ -50,24 +48,15 @@ struct xfs_trans;
|
|||
#define XFS_SB_VERSION_DIRV2BIT 0x2000
|
||||
#define XFS_SB_VERSION_BORGBIT 0x4000 /* ASCII only case-insens. */
|
||||
#define XFS_SB_VERSION_MOREBITSBIT 0x8000
|
||||
#define XFS_SB_VERSION_OKSASHFBITS \
|
||||
(XFS_SB_VERSION_EXTFLGBIT | \
|
||||
XFS_SB_VERSION_DIRV2BIT | \
|
||||
XFS_SB_VERSION_BORGBIT)
|
||||
#define XFS_SB_VERSION_OKREALFBITS \
|
||||
(XFS_SB_VERSION_ATTRBIT | \
|
||||
XFS_SB_VERSION_NLINKBIT | \
|
||||
XFS_SB_VERSION_QUOTABIT | \
|
||||
XFS_SB_VERSION_ALIGNBIT | \
|
||||
XFS_SB_VERSION_DALIGNBIT | \
|
||||
XFS_SB_VERSION_SHAREDBIT | \
|
||||
XFS_SB_VERSION_LOGV2BIT | \
|
||||
XFS_SB_VERSION_SECTORBIT | \
|
||||
XFS_SB_VERSION_MOREBITSBIT)
|
||||
#define XFS_SB_VERSION_OKREALBITS \
|
||||
(XFS_SB_VERSION_NUMBITS | \
|
||||
XFS_SB_VERSION_OKREALFBITS | \
|
||||
XFS_SB_VERSION_OKSASHFBITS)
|
||||
|
||||
/*
|
||||
* Supported feature bit list is just all bits in the versionnum field because
|
||||
* we've used them all up and understand them all. Except, of course, for the
|
||||
* shared superblock bit, which nobody knows what it does and so is unsupported.
|
||||
*/
|
||||
#define XFS_SB_VERSION_OKBITS \
|
||||
((XFS_SB_VERSION_NUMBITS | XFS_SB_VERSION_ALLFBITS) & \
|
||||
~XFS_SB_VERSION_SHAREDBIT)
|
||||
|
||||
/*
|
||||
* There are two words to hold XFS "feature" bits: the original
|
||||
|
@ -76,7 +65,6 @@ struct xfs_trans;
|
|||
*
|
||||
* These defines represent bits in sb_features2.
|
||||
*/
|
||||
#define XFS_SB_VERSION2_REALFBITS 0x00ffffff /* Mask: features */
|
||||
#define XFS_SB_VERSION2_RESERVED1BIT 0x00000001
|
||||
#define XFS_SB_VERSION2_LAZYSBCOUNTBIT 0x00000002 /* Superblk counters */
|
||||
#define XFS_SB_VERSION2_RESERVED4BIT 0x00000004
|
||||
|
@ -86,16 +74,11 @@ struct xfs_trans;
|
|||
#define XFS_SB_VERSION2_CRCBIT 0x00000100 /* metadata CRCs */
|
||||
#define XFS_SB_VERSION2_FTYPE 0x00000200 /* inode type in dir */
|
||||
|
||||
#define XFS_SB_VERSION2_OKREALFBITS \
|
||||
#define XFS_SB_VERSION2_OKBITS \
|
||||
(XFS_SB_VERSION2_LAZYSBCOUNTBIT | \
|
||||
XFS_SB_VERSION2_ATTR2BIT | \
|
||||
XFS_SB_VERSION2_PROJID32BIT | \
|
||||
XFS_SB_VERSION2_FTYPE)
|
||||
#define XFS_SB_VERSION2_OKSASHFBITS \
|
||||
(0)
|
||||
#define XFS_SB_VERSION2_OKREALBITS \
|
||||
(XFS_SB_VERSION2_OKREALFBITS | \
|
||||
XFS_SB_VERSION2_OKSASHFBITS )
|
||||
|
||||
/*
|
||||
* Superblock - in core version. Must match the ondisk version below.
|
||||
|
@ -345,214 +328,140 @@ typedef enum {
|
|||
|
||||
#define XFS_SB_VERSION_NUM(sbp) ((sbp)->sb_versionnum & XFS_SB_VERSION_NUMBITS)
|
||||
|
||||
static inline int xfs_sb_good_version(xfs_sb_t *sbp)
|
||||
/*
|
||||
* The first XFS version we support is a v4 superblock with V2 directories.
|
||||
*/
|
||||
static inline bool xfs_sb_good_v4_features(struct xfs_sb *sbp)
|
||||
{
|
||||
/* We always support version 1-3 */
|
||||
if (sbp->sb_versionnum >= XFS_SB_VERSION_1 &&
|
||||
sbp->sb_versionnum <= XFS_SB_VERSION_3)
|
||||
return 1;
|
||||
if (!(sbp->sb_versionnum & XFS_SB_VERSION_DIRV2BIT))
|
||||
return false;
|
||||
|
||||
/* We support version 4 if all feature bits are supported */
|
||||
if (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4) {
|
||||
if ((sbp->sb_versionnum & ~XFS_SB_VERSION_OKREALBITS) ||
|
||||
((sbp->sb_versionnum & XFS_SB_VERSION_MOREBITSBIT) &&
|
||||
(sbp->sb_features2 & ~XFS_SB_VERSION2_OKREALBITS)))
|
||||
return 0;
|
||||
/* check for unknown features in the fs */
|
||||
if ((sbp->sb_versionnum & ~XFS_SB_VERSION_OKBITS) ||
|
||||
((sbp->sb_versionnum & XFS_SB_VERSION_MOREBITSBIT) &&
|
||||
(sbp->sb_features2 & ~XFS_SB_VERSION2_OKBITS)))
|
||||
return false;
|
||||
|
||||
if (sbp->sb_shared_vn > XFS_SB_MAX_SHARED_VN)
|
||||
return 0;
|
||||
return 1;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
static inline bool xfs_sb_good_version(struct xfs_sb *sbp)
|
||||
{
|
||||
if (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5)
|
||||
return 1;
|
||||
|
||||
return 0;
|
||||
return true;
|
||||
if (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4)
|
||||
return xfs_sb_good_v4_features(sbp);
|
||||
return false;
|
||||
}
|
||||
|
||||
/*
|
||||
* Detect a mismatched features2 field. Older kernels read/wrote
|
||||
* this into the wrong slot, so to be safe we keep them in sync.
|
||||
*/
|
||||
static inline int xfs_sb_has_mismatched_features2(xfs_sb_t *sbp)
|
||||
static inline bool xfs_sb_has_mismatched_features2(struct xfs_sb *sbp)
|
||||
{
|
||||
return (sbp->sb_bad_features2 != sbp->sb_features2);
|
||||
return sbp->sb_bad_features2 != sbp->sb_features2;
|
||||
}
|
||||
|
||||
static inline unsigned xfs_sb_version_tonew(unsigned v)
|
||||
static inline bool xfs_sb_version_hasattr(struct xfs_sb *sbp)
|
||||
{
|
||||
if (v == XFS_SB_VERSION_1)
|
||||
return XFS_SB_VERSION_4;
|
||||
|
||||
if (v == XFS_SB_VERSION_2)
|
||||
return XFS_SB_VERSION_4 | XFS_SB_VERSION_ATTRBIT;
|
||||
|
||||
return XFS_SB_VERSION_4 | XFS_SB_VERSION_ATTRBIT |
|
||||
XFS_SB_VERSION_NLINKBIT;
|
||||
return (sbp->sb_versionnum & XFS_SB_VERSION_ATTRBIT);
|
||||
}
|
||||
|
||||
static inline unsigned xfs_sb_version_toold(unsigned v)
|
||||
static inline void xfs_sb_version_addattr(struct xfs_sb *sbp)
|
||||
{
|
||||
if (v & (XFS_SB_VERSION_QUOTABIT | XFS_SB_VERSION_ALIGNBIT))
|
||||
return 0;
|
||||
if (v & XFS_SB_VERSION_NLINKBIT)
|
||||
return XFS_SB_VERSION_3;
|
||||
if (v & XFS_SB_VERSION_ATTRBIT)
|
||||
return XFS_SB_VERSION_2;
|
||||
return XFS_SB_VERSION_1;
|
||||
sbp->sb_versionnum |= XFS_SB_VERSION_ATTRBIT;
|
||||
}
|
||||
|
||||
static inline int xfs_sb_version_hasattr(xfs_sb_t *sbp)
|
||||
static inline bool xfs_sb_version_hasquota(struct xfs_sb *sbp)
|
||||
{
|
||||
return sbp->sb_versionnum == XFS_SB_VERSION_2 ||
|
||||
sbp->sb_versionnum == XFS_SB_VERSION_3 ||
|
||||
(XFS_SB_VERSION_NUM(sbp) >= XFS_SB_VERSION_4 &&
|
||||
(sbp->sb_versionnum & XFS_SB_VERSION_ATTRBIT));
|
||||
return (sbp->sb_versionnum & XFS_SB_VERSION_QUOTABIT);
|
||||
}
|
||||
|
||||
static inline void xfs_sb_version_addattr(xfs_sb_t *sbp)
|
||||
static inline void xfs_sb_version_addquota(struct xfs_sb *sbp)
|
||||
{
|
||||
if (sbp->sb_versionnum == XFS_SB_VERSION_1)
|
||||
sbp->sb_versionnum = XFS_SB_VERSION_2;
|
||||
else if (XFS_SB_VERSION_NUM(sbp) >= XFS_SB_VERSION_4)
|
||||
sbp->sb_versionnum |= XFS_SB_VERSION_ATTRBIT;
|
||||
else
|
||||
sbp->sb_versionnum = XFS_SB_VERSION_4 | XFS_SB_VERSION_ATTRBIT;
|
||||
sbp->sb_versionnum |= XFS_SB_VERSION_QUOTABIT;
|
||||
}
|
||||
|
||||
static inline int xfs_sb_version_hasnlink(xfs_sb_t *sbp)
|
||||
static inline bool xfs_sb_version_hasalign(struct xfs_sb *sbp)
|
||||
{
|
||||
return sbp->sb_versionnum == XFS_SB_VERSION_3 ||
|
||||
(XFS_SB_VERSION_NUM(sbp) >= XFS_SB_VERSION_4 &&
|
||||
(sbp->sb_versionnum & XFS_SB_VERSION_NLINKBIT));
|
||||
}
|
||||
|
||||
static inline void xfs_sb_version_addnlink(xfs_sb_t *sbp)
|
||||
{
|
||||
if (sbp->sb_versionnum <= XFS_SB_VERSION_2)
|
||||
sbp->sb_versionnum = XFS_SB_VERSION_3;
|
||||
else
|
||||
sbp->sb_versionnum |= XFS_SB_VERSION_NLINKBIT;
|
||||
}
|
||||
|
||||
static inline int xfs_sb_version_hasquota(xfs_sb_t *sbp)
|
||||
{
|
||||
return XFS_SB_VERSION_NUM(sbp) >= XFS_SB_VERSION_4 &&
|
||||
(sbp->sb_versionnum & XFS_SB_VERSION_QUOTABIT);
|
||||
}
|
||||
|
||||
static inline void xfs_sb_version_addquota(xfs_sb_t *sbp)
|
||||
{
|
||||
if (XFS_SB_VERSION_NUM(sbp) >= XFS_SB_VERSION_4)
|
||||
sbp->sb_versionnum |= XFS_SB_VERSION_QUOTABIT;
|
||||
else
|
||||
sbp->sb_versionnum = xfs_sb_version_tonew(sbp->sb_versionnum) |
|
||||
XFS_SB_VERSION_QUOTABIT;
|
||||
}
|
||||
|
||||
static inline int xfs_sb_version_hasalign(xfs_sb_t *sbp)
|
||||
{
|
||||
return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5) ||
|
||||
(XFS_SB_VERSION_NUM(sbp) >= XFS_SB_VERSION_4 &&
|
||||
return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5 ||
|
||||
(sbp->sb_versionnum & XFS_SB_VERSION_ALIGNBIT));
|
||||
}
|
||||
|
||||
static inline int xfs_sb_version_hasdalign(xfs_sb_t *sbp)
|
||||
static inline bool xfs_sb_version_hasdalign(struct xfs_sb *sbp)
|
||||
{
|
||||
return XFS_SB_VERSION_NUM(sbp) >= XFS_SB_VERSION_4 &&
|
||||
(sbp->sb_versionnum & XFS_SB_VERSION_DALIGNBIT);
|
||||
return (sbp->sb_versionnum & XFS_SB_VERSION_DALIGNBIT);
|
||||
}
|
||||
|
||||
static inline int xfs_sb_version_hasshared(xfs_sb_t *sbp)
|
||||
static inline bool xfs_sb_version_haslogv2(struct xfs_sb *sbp)
|
||||
{
|
||||
return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4 &&
|
||||
(sbp->sb_versionnum & XFS_SB_VERSION_SHAREDBIT);
|
||||
return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5 ||
|
||||
(sbp->sb_versionnum & XFS_SB_VERSION_LOGV2BIT);
|
||||
}
|
||||
|
||||
static inline int xfs_sb_version_hasdirv2(xfs_sb_t *sbp)
|
||||
static inline bool xfs_sb_version_hasextflgbit(struct xfs_sb *sbp)
|
||||
{
|
||||
return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5) ||
|
||||
(XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4 &&
|
||||
(sbp->sb_versionnum & XFS_SB_VERSION_DIRV2BIT));
|
||||
return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5 ||
|
||||
(sbp->sb_versionnum & XFS_SB_VERSION_EXTFLGBIT);
|
||||
}
|
||||
|
||||
static inline int xfs_sb_version_haslogv2(xfs_sb_t *sbp)
|
||||
static inline bool xfs_sb_version_hassector(struct xfs_sb *sbp)
|
||||
{
|
||||
return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5) ||
|
||||
(XFS_SB_VERSION_NUM(sbp) >= XFS_SB_VERSION_4 &&
|
||||
(sbp->sb_versionnum & XFS_SB_VERSION_LOGV2BIT));
|
||||
return (sbp->sb_versionnum & XFS_SB_VERSION_SECTORBIT);
|
||||
}
|
||||
|
||||
static inline int xfs_sb_version_hasextflgbit(xfs_sb_t *sbp)
|
||||
static inline bool xfs_sb_version_hasasciici(struct xfs_sb *sbp)
|
||||
{
|
||||
return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5) ||
|
||||
(XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4 &&
|
||||
(sbp->sb_versionnum & XFS_SB_VERSION_EXTFLGBIT));
|
||||
return (sbp->sb_versionnum & XFS_SB_VERSION_BORGBIT);
|
||||
}
|
||||
|
||||
static inline int xfs_sb_version_hassector(xfs_sb_t *sbp)
|
||||
static inline bool xfs_sb_version_hasmorebits(struct xfs_sb *sbp)
|
||||
{
|
||||
return XFS_SB_VERSION_NUM(sbp) >= XFS_SB_VERSION_4 &&
|
||||
(sbp->sb_versionnum & XFS_SB_VERSION_SECTORBIT);
|
||||
}
|
||||
|
||||
static inline int xfs_sb_version_hasasciici(xfs_sb_t *sbp)
|
||||
{
|
||||
return XFS_SB_VERSION_NUM(sbp) >= XFS_SB_VERSION_4 &&
|
||||
(sbp->sb_versionnum & XFS_SB_VERSION_BORGBIT);
|
||||
}
|
||||
|
||||
static inline int xfs_sb_version_hasmorebits(xfs_sb_t *sbp)
|
||||
{
|
||||
return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5) ||
|
||||
(XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4 &&
|
||||
(sbp->sb_versionnum & XFS_SB_VERSION_MOREBITSBIT));
|
||||
return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5 ||
|
||||
(sbp->sb_versionnum & XFS_SB_VERSION_MOREBITSBIT);
|
||||
}
|
||||
|
||||
/*
|
||||
* sb_features2 bit version macros.
|
||||
*
|
||||
* For example, for a bit defined as XFS_SB_VERSION2_FUNBIT, has a macro:
|
||||
*
|
||||
* SB_VERSION_HASFUNBIT(xfs_sb_t *sbp)
|
||||
* ((xfs_sb_version_hasmorebits(sbp) &&
|
||||
* ((sbp)->sb_features2 & XFS_SB_VERSION2_FUNBIT)
|
||||
*/
|
||||
|
||||
static inline int xfs_sb_version_haslazysbcount(xfs_sb_t *sbp)
|
||||
static inline bool xfs_sb_version_haslazysbcount(struct xfs_sb *sbp)
|
||||
{
|
||||
return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5) ||
|
||||
(xfs_sb_version_hasmorebits(sbp) &&
|
||||
(sbp->sb_features2 & XFS_SB_VERSION2_LAZYSBCOUNTBIT));
|
||||
}
|
||||
|
||||
static inline int xfs_sb_version_hasattr2(xfs_sb_t *sbp)
|
||||
static inline bool xfs_sb_version_hasattr2(struct xfs_sb *sbp)
|
||||
{
|
||||
return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5) ||
|
||||
(xfs_sb_version_hasmorebits(sbp) &&
|
||||
(sbp->sb_features2 & XFS_SB_VERSION2_ATTR2BIT));
|
||||
}
|
||||
|
||||
static inline void xfs_sb_version_addattr2(xfs_sb_t *sbp)
|
||||
static inline void xfs_sb_version_addattr2(struct xfs_sb *sbp)
|
||||
{
|
||||
sbp->sb_versionnum |= XFS_SB_VERSION_MOREBITSBIT;
|
||||
sbp->sb_features2 |= XFS_SB_VERSION2_ATTR2BIT;
|
||||
sbp->sb_bad_features2 |= XFS_SB_VERSION2_ATTR2BIT;
|
||||
}
|
||||
|
||||
static inline void xfs_sb_version_removeattr2(xfs_sb_t *sbp)
|
||||
static inline void xfs_sb_version_removeattr2(struct xfs_sb *sbp)
|
||||
{
|
||||
sbp->sb_features2 &= ~XFS_SB_VERSION2_ATTR2BIT;
|
||||
sbp->sb_bad_features2 &= ~XFS_SB_VERSION2_ATTR2BIT;
|
||||
if (!sbp->sb_features2)
|
||||
sbp->sb_versionnum &= ~XFS_SB_VERSION_MOREBITSBIT;
|
||||
}
|
||||
|
||||
static inline int xfs_sb_version_hasprojid32bit(xfs_sb_t *sbp)
|
||||
static inline bool xfs_sb_version_hasprojid32bit(struct xfs_sb *sbp)
|
||||
{
|
||||
return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5) ||
|
||||
(xfs_sb_version_hasmorebits(sbp) &&
|
||||
(sbp->sb_features2 & XFS_SB_VERSION2_PROJID32BIT));
|
||||
}
|
||||
|
||||
static inline void xfs_sb_version_addprojid32bit(xfs_sb_t *sbp)
|
||||
static inline void xfs_sb_version_addprojid32bit(struct xfs_sb *sbp)
|
||||
{
|
||||
sbp->sb_versionnum |= XFS_SB_VERSION_MOREBITSBIT;
|
||||
sbp->sb_features2 |= XFS_SB_VERSION2_PROJID32BIT;
|
||||
|
@ -625,12 +534,12 @@ xfs_sb_has_incompat_log_feature(
|
|||
/*
|
||||
* V5 superblock specific feature checks
|
||||
*/
|
||||
static inline int xfs_sb_version_hascrc(xfs_sb_t *sbp)
|
||||
static inline int xfs_sb_version_hascrc(struct xfs_sb *sbp)
|
||||
{
|
||||
return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5;
|
||||
}
|
||||
|
||||
static inline int xfs_sb_version_has_pquotino(xfs_sb_t *sbp)
|
||||
static inline int xfs_sb_version_has_pquotino(struct xfs_sb *sbp)
|
||||
{
|
||||
return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5;
|
||||
}
|
||||
|
|
Loading…
Reference in New Issue