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| author | Darrick J. Wong <djwong@kernel.org> | 2026-09-08 23:04:50 -0700 |
|---|---|---|
| committer | Carlos Maiolino <cem@kernel.org> | 2026-09-11 08:43:24 +0200 |
| commit | 1ee2ce797c360785a3813fef62c90f427f3aed34 (patch) | |
| tree | fb48f2f49c7894d148dcae21cb29421700355cf9 | |
| parent | 4d3c07591534517c633945c8d8e6526f10e3fabc (diff) | |
| download | lwn-1ee2ce797c360785a3813fef62c90f427f3aed34.tar.gz lwn-1ee2ce797c360785a3813fef62c90f427f3aed34.zip | |
xfs: actually check internal-rtdev fields in the superblock
LOLLM points out that the superblock scrubber doesn't check the new
fields that were added for internal realtime volumes when we added zoned
device support.
Cc: stable@vger.kernel.org # v6.15
Fixes: 2167eaabe2fadd ("xfs: define the zoned on-disk format")
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Assisted-by: LOLLM # finding obvious bugs
Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>
Signed-off-by: Carlos Maiolino <cem@kernel.org>
| -rw-r--r-- | fs/xfs/scrub/agheader.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/xfs/scrub/agheader.c b/fs/xfs/scrub/agheader.c index 1fa66aa68e16..fa5d32ec020a 100644 --- a/fs/xfs/scrub/agheader.c +++ b/fs/xfs/scrub/agheader.c @@ -418,6 +418,13 @@ xchk_superblock( xchk_block_set_corrupt(sc, bp); } + if (xfs_has_zoned(mp)) { + if (sb->sb_rtstart != cpu_to_be64(mp->m_sb.sb_rtstart)) + xchk_block_set_corrupt(sc, bp); + if (sb->sb_rtreserved != cpu_to_be64(mp->m_sb.sb_rtreserved)) + xchk_block_set_corrupt(sc, bp); + } + /* Everything else must be zero. */ sblen = xchk_superblock_ondisk_size(mp); if (memchr_inv((char *)sb + sblen, 0, BBTOB(bp->b_length) - sblen)) |