From: Darrick J. Wong Date: Fri, 19 Dec 2025 02:40:50 +0000 (-0800) Subject: xfs: mark data structures corrupt on EIO and ENODATA X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f39854a3fb2f06dc69b81ada002b641ba5b4696b;p=thirdparty%2Fkernel%2Flinux.git xfs: mark data structures corrupt on EIO and ENODATA I learned a few things this year: first, blk_status_to_errno can return ENODATA for critical media errors; and second, the scrub code doesn't mark data structures as corrupt on ENODATA or EIO. Currently, scrub failing to capture these errors isn't all that impactful -- the checking code will exit to userspace with EIO/ENODATA, and xfs_scrub will log a complaint and exit with nonzero status. Most people treat fsck tools failing as a sign that the fs is corrupt, but online fsck should mark the metadata bad and keep moving. Cc: stable@vger.kernel.org # v4.15 Fixes: 4700d22980d459 ("xfs: create helpers to record and deal with scrub problems") Signed-off-by: Darrick J. Wong Reviewed-by: Christoph Hellwig Signed-off-by: Carlos Maiolino --- diff --git a/fs/xfs/scrub/btree.c b/fs/xfs/scrub/btree.c index 8ba004979862f..40f36db9f07d5 100644 --- a/fs/xfs/scrub/btree.c +++ b/fs/xfs/scrub/btree.c @@ -42,6 +42,8 @@ __xchk_btree_process_error( break; case -EFSBADCRC: case -EFSCORRUPTED: + case -EIO: + case -ENODATA: /* Note the badness but don't abort. */ sc->sm->sm_flags |= errflag; *error = 0; diff --git a/fs/xfs/scrub/common.c b/fs/xfs/scrub/common.c index 38d0b7d5c894b..affed35a8c96f 100644 --- a/fs/xfs/scrub/common.c +++ b/fs/xfs/scrub/common.c @@ -103,6 +103,8 @@ __xchk_process_error( break; case -EFSBADCRC: case -EFSCORRUPTED: + case -EIO: + case -ENODATA: /* Note the badness but don't abort. */ sc->sm->sm_flags |= errflag; *error = 0; @@ -177,6 +179,8 @@ __xchk_fblock_process_error( break; case -EFSBADCRC: case -EFSCORRUPTED: + case -EIO: + case -ENODATA: /* Note the badness but don't abort. */ sc->sm->sm_flags |= errflag; *error = 0; diff --git a/fs/xfs/scrub/dabtree.c b/fs/xfs/scrub/dabtree.c index dd14f355358ca..5858d4d5e279b 100644 --- a/fs/xfs/scrub/dabtree.c +++ b/fs/xfs/scrub/dabtree.c @@ -45,6 +45,8 @@ xchk_da_process_error( break; case -EFSBADCRC: case -EFSCORRUPTED: + case -EIO: + case -ENODATA: /* Note the badness but don't abort. */ sc->sm->sm_flags |= XFS_SCRUB_OFLAG_CORRUPT; *error = 0;