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-rw-r--r--fs/xfs/xfs_vfsops.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/fs/xfs/xfs_vfsops.c b/fs/xfs/xfs_vfsops.c
index 1644be14a14..b4db8a20807 100644
--- a/fs/xfs/xfs_vfsops.c
+++ b/fs/xfs/xfs_vfsops.c
@@ -1720,7 +1720,18 @@ xfs_parseargs(
int dsunit, dswidth, vol_dsunit, vol_dswidth;
int iosize;
- args->flags |= XFSMNT_IDELETE;
+ /*
+ * Applications using DMI filesystems often expect the
+ * inode generation number to be monotonically increasing.
+ * If we delete inode chunks we break this assumption, so
+ * keep unused inode chunks on disk for DMI filesystems
+ * until we come up with a better solution.
+ * Note that if "ikeep" or "noikeep" mount options are
+ * supplied, then they are honored.
+ */
+ if (!(args->flags & XFSMNT_DMAPI))
+ args->flags |= XFSMNT_IDELETE;
+
args->flags |= XFSMNT_BARRIER;
args->flags2 |= XFSMNT2_COMPAT_IOSIZE;