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authorJens Axboe <axboe@fb.com>2014-05-31 01:41:39 +0400
committerJens Axboe <axboe@fb.com>2014-05-31 01:41:39 +0400
commitc7bca4183f73f9d013ea8ae572528b48b5e1ee42 (patch)
tree31ec2e1c9250ca2af53a86c3c120cc61bd043c39
parentee3c5db0896d85187b5f31b5482ed8fd308d31ee (diff)
downloadlinux-c7bca4183f73f9d013ea8ae572528b48b5e1ee42.tar.xz
block: ensure that the timer is always added
Commit f793aa537866 relaxed the timer addition a little too much. If the timer isn't pending, we always need to add it. Signed-off-by: Jens Axboe <axboe@fb.com>
-rw-r--r--block/blk-timeout.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/block/blk-timeout.c b/block/blk-timeout.c
index 43e8b515806f..95a09590ccfd 100644
--- a/block/blk-timeout.c
+++ b/block/blk-timeout.c
@@ -224,7 +224,7 @@ void blk_add_timer(struct request *req)
* modifying the timer because expires for value X
* will be X + something.
*/
- if (diff >= HZ / 2)
+ if (!timer_pending(&q->timeout) || (diff >= HZ / 2))
mod_timer(&q->timeout, expiry);
}