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From: <gregkh@linuxfoundation.org>
To: dominique.martinet@atmark-techno.com,dsterba@suse.com,pavel@denx.de
Cc: <stable@vger.kernel.org>
Subject: FAILED: patch "[PATCH] btrfs: add missing mutex_unlock in" failed to apply to 5.10-stable tree
Date: Mon, 13 May 2024 15:36:46 +0200	[thread overview]
Message-ID: <2024051346-unvocal-magnetism-4ae1@gregkh> (raw)


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 9af503d91298c3f2945e73703f0e00995be08c30
# <resolve conflicts, build, test, etc.>
git commit -s
git send-email --to '<stable@vger.kernel.org>' --in-reply-to '2024051346-unvocal-magnetism-4ae1@gregkh' --subject-prefix 'PATCH 5.10.y' HEAD^..

Possible dependencies:

9af503d91298 ("btrfs: add missing mutex_unlock in btrfs_relocate_sys_chunks()")
7411055db5ce ("btrfs: handle chunk tree lookup error in btrfs_relocate_sys_chunks()")

thanks,

greg k-h

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

From 9af503d91298c3f2945e73703f0e00995be08c30 Mon Sep 17 00:00:00 2001
From: Dominique Martinet <dominique.martinet@atmark-techno.com>
Date: Fri, 19 Apr 2024 11:22:48 +0900
Subject: [PATCH] btrfs: add missing mutex_unlock in
 btrfs_relocate_sys_chunks()

The previous patch that replaced BUG_ON by error handling forgot to
unlock the mutex in the error path.

Link: https://lore.kernel.org/all/Zh%2fHpAGFqa7YAFuM@duo.ucw.cz
Reported-by: Pavel Machek <pavel@denx.de>
Fixes: 7411055db5ce ("btrfs: handle chunk tree lookup error in btrfs_relocate_sys_chunks()")
CC: stable@vger.kernel.org
Reviewed-by: Pavel Machek <pavel@denx.de>
Signed-off-by: Dominique Martinet <dominique.martinet@atmark-techno.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index dedec3d9b111..c72c351fe7eb 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -3419,6 +3419,7 @@ static int btrfs_relocate_sys_chunks(struct btrfs_fs_info *fs_info)
 			 * alignment and size).
 			 */
 			ret = -EUCLEAN;
+			mutex_unlock(&fs_info->reclaim_bgs_lock);
 			goto error;
 		}
 


             reply	other threads:[~2024-05-13 13:36 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-13 13:36 gregkh [this message]
2024-05-13 23:06 ` [PATCH 5.10 / 5.4 / 4.19] btrfs: add missing mutex_unlock in btrfs_relocate_sys_chunks() Dominique Martinet
2024-05-23 12:04   ` Greg KH

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