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authorKeith Busch <keith.busch@intel.com>2018-11-26 19:54:28 +0300
committerJens Axboe <axboe@kernel.dk>2018-11-26 20:34:24 +0300
commit16c15eb16a793f2d81ae52f41f43fb6831b34212 (patch)
tree186d56d7aabeff57f4069d2b052894d5ff044584 /block/blk-mq.c
parent4ab32bf3305eedb4d31f85cac68a67becab10494 (diff)
downloadlinux-16c15eb16a793f2d81ae52f41f43fb6831b34212.tar.xz
blk-mq: Return true if request was completed
A driver may have internal state to cleanup if we're pretending a request didn't complete. Return 'false' if the command wasn't actually completed due to the timeout error injection, and true otherwise. Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Keith Busch <keith.busch@intel.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-mq.c')
-rw-r--r--block/blk-mq.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 37674c1766a7..7c8cfa0cd420 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -638,11 +638,12 @@ static void hctx_lock(struct blk_mq_hw_ctx *hctx, int *srcu_idx)
* Ends all I/O on a request. It does not handle partial completions.
* The actual completion happens out-of-order, through a IPI handler.
**/
-void blk_mq_complete_request(struct request *rq)
+bool blk_mq_complete_request(struct request *rq)
{
if (unlikely(blk_should_fake_timeout(rq->q)))
- return;
+ return false;
__blk_mq_complete_request(rq);
+ return true;
}
EXPORT_SYMBOL(blk_mq_complete_request);