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-rw-r--r--fs/xfs/xfs_super.c4
-rw-r--r--fs/xfs/xfs_trans_inode.c11
2 files changed, 15 insertions, 0 deletions
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index 30ef68f8a39..e5e8b5ee8bf 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -1477,6 +1477,10 @@ xfs_fs_fill_super(
sb->s_time_gran = 1;
set_posix_acl_flag(sb);
+ /* version 5 superblocks support inode version counters. */
+ if (XFS_SB_VERSION_NUM(&mp->m_sb) == XFS_SB_VERSION_5)
+ sb->s_flags |= MS_I_VERSION;
+
error = xfs_mountfs(mp);
if (error)
goto out_filestream_unmount;
diff --git a/fs/xfs/xfs_trans_inode.c b/fs/xfs/xfs_trans_inode.c
index ac6d567704d..53dfe46f368 100644
--- a/fs/xfs/xfs_trans_inode.c
+++ b/fs/xfs/xfs_trans_inode.c
@@ -112,6 +112,17 @@ xfs_trans_log_inode(
ASSERT(ip->i_itemp != NULL);
ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
+ /*
+ * First time we log the inode in a transaction, bump the inode change
+ * counter if it is configured for this to occur.
+ */
+ if (!(ip->i_itemp->ili_item.li_desc->lid_flags & XFS_LID_DIRTY) &&
+ IS_I_VERSION(VFS_I(ip))) {
+ inode_inc_iversion(VFS_I(ip));
+ ip->i_d.di_changecount = VFS_I(ip)->i_version;
+ flags |= XFS_ILOG_CORE;
+ }
+
tp->t_flags |= XFS_TRANS_DIRTY;
ip->i_itemp->ili_item.li_desc->lid_flags |= XFS_LID_DIRTY;