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authorLinus Torvalds <torvalds@linux-foundation.org>2018-08-25 13:30:23 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-08-25 13:30:23 -0700
commitb8dcdab36f5394a09b66516057cccf61a81a3877 (patch)
treee08659de431a585acd3804464535334161e5a8cc /drivers
parentdb84abf5f8075a739bfd73ddc432e6b8fe3ec4b6 (diff)
parentc125311d96b1bfcce0f5930a4f0fdfe39ea14f7c (diff)
Merge tag 'for-linus-20180825' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe: "A few small fixes for this merge window: - Locking imbalance fix for bcache (Shan Hai) - A few small fixes for wbt. One is a cleanup/prep, one is a fix for an existing issue, and the last two are fixes for changes that went into this merge window (me)" * tag 'for-linus-20180825' of git://git.kernel.dk/linux-block: blk-wbt: don't maintain inflight counts if disabled blk-wbt: fix has-sleeper queueing check blk-wbt: use wq_has_sleeper() for wq active check blk-wbt: move disable check into get_limit() bcache: release dc->writeback_lock properly in bch_writeback_thread()
Diffstat (limited to 'drivers')
-rw-r--r--drivers/md/bcache/writeback.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/md/bcache/writeback.c b/drivers/md/bcache/writeback.c
index 6be05bd7ca67..08c3a9f9676c 100644
--- a/drivers/md/bcache/writeback.c
+++ b/drivers/md/bcache/writeback.c
@@ -685,8 +685,10 @@ static int bch_writeback_thread(void *arg)
* data on cache. BCACHE_DEV_DETACHING flag is set in
* bch_cached_dev_detach().
*/
- if (test_bit(BCACHE_DEV_DETACHING, &dc->disk.flags))
+ if (test_bit(BCACHE_DEV_DETACHING, &dc->disk.flags)) {
+ up_write(&dc->writeback_lock);
break;
+ }
}
up_write(&dc->writeback_lock);