From: Darrick J. Wong <djwong@xxxxxxxxxx>
Set the rtbitmap and summary file inumbers to NULLFSINO in the
superblock and make sure they're zeroed whenever we write the superblock
to disk, to mimic mkfs behavior.
Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
---
fs/xfs/libxfs/xfs_sb.c | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/fs/xfs/libxfs/xfs_sb.c b/fs/xfs/libxfs/xfs_sb.c
index c55ccecaccbda4..1af7029753ea15 100644
--- a/fs/xfs/libxfs/xfs_sb.c
+++ b/fs/xfs/libxfs/xfs_sb.c
@@ -655,6 +655,14 @@ xfs_validate_sb_common(
void
xfs_sb_quota_from_disk(struct xfs_sb *sbp)
{
+ if (xfs_sb_is_v5(sbp) &&
+ (sbp->sb_features_incompat & XFS_SB_FEAT_INCOMPAT_METADIR)) {
+ sbp->sb_uquotino = NULLFSINO;
+ sbp->sb_gquotino = NULLFSINO;
+ sbp->sb_pquotino = NULLFSINO;
+ return;
+ }
+
/*
* older mkfs doesn't initialize quota inodes to NULLFSINO. This
* leads to in-core values having two different values for a quota
@@ -783,6 +791,8 @@ __xfs_sb_from_disk(
to->sb_metadirino = be64_to_cpu(from->sb_metadirino);
to->sb_rgcount = be32_to_cpu(from->sb_rgcount);
to->sb_rgextents = be32_to_cpu(from->sb_rgextents);
+ to->sb_rbmino = NULLFSINO;
+ to->sb_rsumino = NULLFSINO;
} else {
to->sb_metadirino = NULLFSINO;
to->sb_rgcount = 1;
@@ -805,6 +815,14 @@ xfs_sb_quota_to_disk(
{
uint16_t qflags = from->sb_qflags;
+ if (xfs_sb_is_v5(from) &&
+ (from->sb_features_incompat & XFS_SB_FEAT_INCOMPAT_METADIR)) {
+ to->sb_uquotino = cpu_to_be64(0);
+ to->sb_gquotino = cpu_to_be64(0);
+ to->sb_pquotino = cpu_to_be64(0);
+ return;
+ }
+
to->sb_uquotino = cpu_to_be64(from->sb_uquotino);
/*
@@ -940,6 +958,8 @@ xfs_sb_to_disk(
to->sb_metadirino = cpu_to_be64(from->sb_metadirino);
to->sb_rgcount = cpu_to_be32(from->sb_rgcount);
to->sb_rgextents = cpu_to_be32(from->sb_rgextents);
+ to->sb_rbmino = cpu_to_be64(0);
+ to->sb_rsumino = cpu_to_be64(0);
}
}
