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FAILED: patch "[PATCH] xfs: always report scrub errors in tracepoints" failed to apply to 6.6-stable tree

PATCH New [email protected] 2 participants 2 messages Nov 4 – Nov 5

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author maintainer
#0 lore raw

The patch below does not apply to the 6.6-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 <[email protected]>.

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-6.6.y
git checkout FETCH_HEAD
git cherry-pick -x 1ccc8f553d885d49c1bfe141ea1f331511940b3a
# <resolve conflicts, build, test, etc.>
git commit -s
git send-email --to '<[email protected]>' --in-reply-to '2026110406-device-hangover-5a05@gregkh' --subject-prefix 'PATCH 6.6.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" <[email protected]>
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 [email protected] # v4.15
Fixes 4700d22980d459 ("xfs: create helpers to record and deal with scrub problems")
Signed-off-by Darrick J. Wong <[email protected]>
Assisted-by LOLLM # finding obvious bugs
Reviewed-by Christoph Hellwig <[email protected]>
Signed-off-by Carlos Maiolino <[email protected]>
fs/xfs/scrub/btree.c +7 -1
index 17bd8505be04..43a7ea7308ee 100644
@@ -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,
fs/xfs/scrub/common.c +5 -2
index e5233e31abb7..a61895872072 100644
@@ -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);
fs/xfs/scrub/dabtree.c +5 -1
index bbf6ece58828..02c8544d8918 100644
@@ -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,
maintainer
#1 lore raw

PATCH 1/1 xfs: always report scrub errors in tracepoints

From: "Darrick J. Wong" <[email protected]>

[ Upstream commit 1ccc8f553d885d49c1bfe141ea1f331511940b3a ]

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 [email protected] # v4.15
Fixes 4700d22980d459 ("xfs: create helpers to record and deal with scrub problems")
Signed-off-by Darrick J. Wong <[email protected]>
Assisted-by LOLLM # finding obvious bugs
Reviewed-by Christoph Hellwig <[email protected]>
Signed-off-by Carlos Maiolino <[email protected]>
[ sashal: Replaced cur->bc_ops->type == XFS_BTREE_TYPE_INODE with cur->bc_flags & XFS_BTREE_ROOT_IN_INODE. ]
Signed-off-by Sasha Levin <[email protected]>
---
 fs/xfs/scrub/btree.c   | 8 +++++++-
 fs/xfs/scrub/common.c  | 7 +++++--
 fs/xfs/scrub/dabtree.c | 6 +++++-
 3 files changed, 17 insertions(+), 4 deletions(-)
fs/xfs/scrub/btree.c +7 -1
index 38e156788f96d..41945f3874c56 100644
@@ -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_flags & XFS_BTREE_ROOT_IN_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_flags & XFS_BTREE_ROOT_IN_INODE)
 			trace_xchk_ifork_btree_op_error(sc, cur, level,
fs/xfs/scrub/common.c +5 -2
index 36814c09bf103..ddde0d61e5d16 100644
@@ -87,8 +87,9 @@ __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);

@@ -143,8 +144,10 @@ __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);
fs/xfs/scrub/dabtree.c +5 -1
index 893c1f7431200..925858a6779b4 100644
@@ -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,
Signature · 1 line
2.53.0