diff options
Diffstat (limited to 'block/blk-softirq.c')
| -rw-r--r-- | block/blk-softirq.c | 30 |
1 files changed, 18 insertions, 12 deletions
diff --git a/block/blk-softirq.c b/block/blk-softirq.c index 3a1af551191e..7ab344afb16f 100644 --- a/block/blk-softirq.c +++ b/block/blk-softirq.c @@ -101,18 +101,7 @@ static struct notifier_block __cpuinitdata blk_cpu_notifier = { .notifier_call = blk_cpu_notify, }; -/** - * blk_complete_request - end I/O on a request - * @req: the request being processed - * - * Description: - * Ends all I/O on a request. It does not handle partial completions, - * unless the driver actually implements this in its completion callback - * through requeueing. The actual completion happens out-of-order, - * through a softirq handler. The user must have registered a completion - * callback through blk_queue_softirq_done(). - **/ -void blk_complete_request(struct request *req) +void __blk_complete_request(struct request *req) { struct request_queue *q = req->q; unsigned long flags; @@ -151,6 +140,23 @@ do_local: local_irq_restore(flags); } + +/** + * blk_complete_request - end I/O on a request + * @req: the request being processed + * + * Description: + * Ends all I/O on a request. It does not handle partial completions, + * unless the driver actually implements this in its completion callback + * through requeueing. The actual completion happens out-of-order, + * through a softirq handler. The user must have registered a completion + * callback through blk_queue_softirq_done(). + **/ +void blk_complete_request(struct request *req) +{ + if (!blk_mark_rq_complete(req)) + __blk_complete_request(req); +} EXPORT_SYMBOL(blk_complete_request); __init int blk_softirq_init(void) |