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* FAILED: patch "[PATCH] xfs: always report scrub errors in tracepoints" failed to apply to 5.10-stable tree
@ 2026-11-04 16:50 gregkh
  2026-11-05 17:14 ` [PATCH 5.10.y] xfs: always report scrub errors in tracepoints Sasha Levin
  0 siblings, 1 reply; 2+ messages in thread
From: gregkh @ 2026-11-04 16:50 UTC (permalink / raw)
  To: djwong, cem, hch; +Cc: stable


The patch below does not apply to the 5.10-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@vger.kernel.org>.

To reproduce the conflict and resubmit, you may use the following commands:

git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.10.y
git checkout FETCH_HEAD
git cherry-pick -x 1ccc8f553d885d49c1bfe141ea1f331511940b3a
# <resolve conflicts, build, test, etc.>
git commit -s
git send-email --to '<stable@vger.kernel.org>' --in-reply-to '2026110457-thermal-harmonica-3028@gregkh' --subject-prefix 'PATCH 5.10.y' 'HEAD^..'

Possible dependencies:



thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

From 1ccc8f553d885d49c1bfe141ea1f331511940b3a Mon Sep 17 00:00:00 2001
From: "Darrick J. Wong" <djwong@kernel.org>
Date: Mon, 12 Oct 2026 23:08:04 -0700
Subject: [PATCH] xfs: always report scrub errors in tracepoints

LOLLM complains that the error processing functions in scrub will
sometimes zero out *error before recording a tracepoint.  This makes
diagnosing problems harder, so let's fix that.

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 <djwong@kernel.org>
Assisted-by: LOLLM # finding obvious bugs
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Carlos Maiolino <cem@kernel.org>

diff --git a/fs/xfs/scrub/btree.c b/fs/xfs/scrub/btree.c
index 17bd8505be04..43a7ea7308ee 100644
--- a/fs/xfs/scrub/btree.c
+++ b/fs/xfs/scrub/btree.c
@@ -46,8 +46,14 @@ __xchk_btree_process_error(
 	case -ENODATA:
 		/* Note the badness but don't abort. */
 		sc->sm->sm_flags |= errflag;
+		if (cur->bc_ops->type == XFS_BTREE_TYPE_INODE)
+			trace_xchk_ifork_btree_op_error(sc, cur, level,
+					*error, ret_ip);
+		else
+			trace_xchk_btree_op_error(sc, cur, level,
+					*error, ret_ip);
 		*error = 0;
-		fallthrough;
+		break;
 	default:
 		if (cur->bc_ops->type == XFS_BTREE_TYPE_INODE)
 			trace_xchk_ifork_btree_op_error(sc, cur, level,
diff --git a/fs/xfs/scrub/common.c b/fs/xfs/scrub/common.c
index e5233e31abb7..a61895872072 100644
--- a/fs/xfs/scrub/common.c
+++ b/fs/xfs/scrub/common.c
@@ -107,8 +107,9 @@ __xchk_process_error(
 	case -ENODATA:
 		/* Note the badness but don't abort. */
 		sc->sm->sm_flags |= errflag;
+		trace_xchk_op_error(sc, agno, bno, *error, ret_ip);
 		*error = 0;
-		fallthrough;
+		break;
 	default:
 		trace_xchk_op_error(sc, agno, bno, *error, ret_ip);
 		break;
@@ -183,8 +184,10 @@ __xchk_fblock_process_error(
 	case -ENODATA:
 		/* Note the badness but don't abort. */
 		sc->sm->sm_flags |= errflag;
+		trace_xchk_file_op_error(sc, whichfork, offset, *error,
+				ret_ip);
 		*error = 0;
-		fallthrough;
+		break;
 	default:
 		trace_xchk_file_op_error(sc, whichfork, offset, *error,
 				ret_ip);
diff --git a/fs/xfs/scrub/dabtree.c b/fs/xfs/scrub/dabtree.c
index bbf6ece58828..02c8544d8918 100644
--- a/fs/xfs/scrub/dabtree.c
+++ b/fs/xfs/scrub/dabtree.c
@@ -49,8 +49,12 @@ xchk_da_process_error(
 	case -ENODATA:
 		/* Note the badness but don't abort. */
 		sc->sm->sm_flags |= XFS_SCRUB_OFLAG_CORRUPT;
+		trace_xchk_file_op_error(sc, ds->dargs.whichfork,
+				xfs_dir2_da_to_db(ds->dargs.geo,
+					ds->state->path.blk[level].blkno),
+				*error, __return_address);
 		*error = 0;
-		fallthrough;
+		break;
 	default:
 		trace_xchk_file_op_error(sc, ds->dargs.whichfork,
 				xfs_dir2_da_to_db(ds->dargs.geo,


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2026-11-04 16:50 FAILED: patch "[PATCH] xfs: always report scrub errors in tracepoints" failed to apply to 5.10-stable tree gregkh
2026-11-05 17:14 ` [PATCH 5.10.y] xfs: always report scrub errors in tracepoints Sasha Levin

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