mkfs doesn't initialize the quota inodes to NULLFSINO as it
does for the other internal inodes. This leads to check for two
values (0 and NULLFSINO) to make sure if a quota inode is
valid.
Solve that problem by initializing the values to NULLFSINO
if they are 0.
Note that these values are not written back to on-disk
superblock unless some quota is enabled on the filesystem.
Signed-off-by: Chandra Seetharaman <sekharan@xxxxxxxxxx>
---
fs/xfs/xfs_mount.c | 12 ++++++++++++
1 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index 2b0ba35..8b95933 100644
--- a/fs/xfs/xfs_mount.c
+++ b/fs/xfs/xfs_mount.c
@@ -572,6 +572,18 @@ out_unwind:
static void
xfs_sb_quota_from_disk(struct xfs_sb *sbp)
{
+ /*
+ * older mkfs doesn't initialize quota inodes to NULLFSINO,
+ * which leads to two values for a quota inode to be invalid:
+ * 0 and NULLFSINO. Fix it.
+ */
+ if (sbp->sb_uquotino == 0)
+ sbp->sb_uquotino = NULLFSINO;
+ if (sbp->sb_gquotino == 0)
+ sbp->sb_gquotino = NULLFSINO;
+ if (sbp->sb_pquotino == 0)
+ sbp->sb_pquotino = NULLFSINO;
+
if (sbp->sb_qflags & XFS_OQUOTA_ENFD)
sbp->sb_qflags |= (sbp->sb_qflags & XFS_PQUOTA_ACCT) ?
XFS_PQUOTA_ENFD : XFS_GQUOTA_ENFD;
--
1.7.1
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