This is a note to let you know that I've just added the patch titled
bcache: unregister reboot notifier if bcache fails to unregister device
to the 3.14-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:
bcache-unregister-reboot-notifier-if-bcache-fails-to-unregister-device.patch
and it can be found in the queue-3.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 2ecf0cdb2b437402110ab57546e02abfa68a716b Mon Sep 17 00:00:00 2001
From: Zheng Liu <wenqing.lz@xxxxxxxxxx>
Date: Sun, 29 Nov 2015 17:21:57 -0800
Subject: bcache: unregister reboot notifier if bcache fails to unregister device
From: Zheng Liu <wenqing.lz@xxxxxxxxxx>
commit 2ecf0cdb2b437402110ab57546e02abfa68a716b upstream.
In bcache_init() function it forgot to unregister reboot notifier if
bcache fails to unregister a block device. This commit fixes this.
Signed-off-by: Zheng Liu <wenqing.lz@xxxxxxxxxx>
Tested-by: Joshua Schmid <jschmid@xxxxxxxx>
Tested-by: Eric Wheeler <bcache@xxxxxxxxxxxxxxxxxx>
Cc: Kent Overstreet <kmo@xxxxxxxxxxxxx>
Signed-off-by: Jens Axboe <axboe@xxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/md/bcache/super.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/md/bcache/super.c
+++ b/drivers/md/bcache/super.c
@@ -2086,8 +2086,10 @@ static int __init bcache_init(void)
closure_debug_init();
bcache_major = register_blkdev(0, "bcache");
- if (bcache_major < 0)
+ if (bcache_major < 0) {
+ unregister_reboot_notifier(&reboot);
return bcache_major;
+ }
if (!(bcache_wq = create_workqueue("bcache")) ||
!(bcache_kobj = kobject_create_and_add("bcache", fs_kobj)) ||
Patches currently in stable-queue which might be from wenqing.lz@xxxxxxxxxx are
queue-3.14/bcache-clear-bcache_dev_unlink_done-flag-when-attaching-a-backing-device.patch
queue-3.14/bcache-fix-a-livelock-when-we-cause-a-huge-number-of-cache-misses.patch
queue-3.14/bcache-unregister-reboot-notifier-if-bcache-fails-to-unregister-device.patch
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