This is a note to let you know that I've just added the patch titled
btrfs: add missing mutex_unlock in btrfs_relocate_sys_chunks()
to the 4.19-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
btrfs-add-missing-mutex_unlock-in-btrfs_relocate_sys_chunks.patch
and it can be found in the queue-4.19 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 9af503d91298c3f2945e73703f0e00995be08c30 Mon Sep 17 00:00:00 2001
From: Dominique Martinet <dominique.martinet@xxxxxxxxxxxxxxxxx>
Date: Fri, 19 Apr 2024 11:22:48 +0900
Subject: btrfs: add missing mutex_unlock in btrfs_relocate_sys_chunks()
From: Dominique Martinet <dominique.martinet@xxxxxxxxxxxxxxxxx>
commit 9af503d91298c3f2945e73703f0e00995be08c30 upstream.
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@xxxxxxxxxx
Reported-by: Pavel Machek <pavel@xxxxxxx>
Fixes: 7411055db5ce ("btrfs: handle chunk tree lookup error in btrfs_relocate_sys_chunks()")
CC: stable@xxxxxxxxxxxxxxx
Reviewed-by: Pavel Machek <pavel@xxxxxxx>
Signed-off-by: Dominique Martinet <dominique.martinet@xxxxxxxxxxxxxxxxx>
Reviewed-by: David Sterba <dsterba@xxxxxxxx>
Signed-off-by: David Sterba <dsterba@xxxxxxxx>
Signed-off-by: Dominique Martinet <dominique.martinet@xxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
fs/btrfs/volumes.c | 1 +
1 file changed, 1 insertion(+)
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -2957,6 +2957,7 @@ again:
* alignment and size).
*/
ret = -EUCLEAN;
+ mutex_unlock(&fs_info->delete_unused_bgs_mutex);
goto error;
}
Patches currently in stable-queue which might be from dominique.martinet@xxxxxxxxxxxxxxxxx are
queue-4.19/btrfs-add-missing-mutex_unlock-in-btrfs_relocate_sys_chunks.patch
