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authorChristoph Hellwig <hch@lst.de>2024-10-14 08:04:55 +0200
committerCarlos Maiolino <cem@kernel.org>2024-10-22 13:37:19 +0200
commit4a201dcfa1ff0dcfe4348c40f3ad8bd68b97eb6c (patch)
tree9a3ee3d41a0955b380f3c82b7420ed06cd39e65a /fs/xfs/libxfs
parent069cf5e32b700f94c6ac60f6171662bdfb04f325 (diff)
xfs: update the pag for the last AG at recovery time
Currently log recovery never updates the in-core perag values for the last allocation group when they were grown by growfs. This leads to btree record validation failures for the alloc, ialloc or finotbt trees if a transaction references this new space. Found by Brian's new growfs recovery stress test. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Brian Foster <bfoster@redhat.com> Signed-off-by: Carlos Maiolino <cem@kernel.org>
Diffstat (limited to 'fs/xfs/libxfs')
-rw-r--r--fs/xfs/libxfs/xfs_ag.c17
-rw-r--r--fs/xfs/libxfs/xfs_ag.h1
2 files changed, 18 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_ag.c b/fs/xfs/libxfs/xfs_ag.c
index 25cec9dc10c9..5ca8d0106827 100644
--- a/fs/xfs/libxfs/xfs_ag.c
+++ b/fs/xfs/libxfs/xfs_ag.c
@@ -274,6 +274,23 @@ xfs_agino_range(
}
int
+xfs_update_last_ag_size(
+ struct xfs_mount *mp,
+ xfs_agnumber_t prev_agcount)
+{
+ struct xfs_perag *pag = xfs_perag_grab(mp, prev_agcount - 1);
+
+ if (!pag)
+ return -EFSCORRUPTED;
+ pag->block_count = __xfs_ag_block_count(mp, prev_agcount - 1,
+ mp->m_sb.sb_agcount, mp->m_sb.sb_dblocks);
+ __xfs_agino_range(mp, pag->block_count, &pag->agino_min,
+ &pag->agino_max);
+ xfs_perag_rele(pag);
+ return 0;
+}
+
+int
xfs_initialize_perag(
struct xfs_mount *mp,
xfs_agnumber_t old_agcount,
diff --git a/fs/xfs/libxfs/xfs_ag.h b/fs/xfs/libxfs/xfs_ag.h
index 6e68d6a3161a..9edfe0e96439 100644
--- a/fs/xfs/libxfs/xfs_ag.h
+++ b/fs/xfs/libxfs/xfs_ag.h
@@ -150,6 +150,7 @@ int xfs_initialize_perag(struct xfs_mount *mp, xfs_agnumber_t old_agcount,
void xfs_free_perag_range(struct xfs_mount *mp, xfs_agnumber_t first_agno,
xfs_agnumber_t end_agno);
int xfs_initialize_perag_data(struct xfs_mount *mp, xfs_agnumber_t agno);
+int xfs_update_last_ag_size(struct xfs_mount *mp, xfs_agnumber_t prev_agcount);
/* Passive AG references */
struct xfs_perag *xfs_perag_get(struct xfs_mount *mp, xfs_agnumber_t agno);