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| author | Keith Busch <kbusch@kernel.org> | 2024-02-23 18:59:09 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2024-02-24 22:46:46 +0300 |
| commit | 0eb4db4706603db09644ec3bc9bb0d63ea5d326c (patch) | |
| tree | 4f26a8b78b34f487c7c45cd64d68ccf7e9adc971 /block/blk-mq.c | |
| parent | 76a27e1b53b94b5a23c221434146fda3e9d8d8e0 (diff) | |
| download | linux-0eb4db4706603db09644ec3bc9bb0d63ea5d326c.tar.xz | |
block: io wait hang check helper
This is the same in two places, and another will be added soon. Create a
helper for it.
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Link: https://lore.kernel.org/r/20240223155910.3622666-4-kbusch@meta.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-mq.c')
| -rw-r--r-- | block/blk-mq.c | 19 |
1 files changed, 3 insertions, 16 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c index 6abb4ce46baa..45f994c10044 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -21,7 +21,6 @@ #include <linux/llist.h> #include <linux/cpu.h> #include <linux/cache.h> -#include <linux/sched/sysctl.h> #include <linux/sched/topology.h> #include <linux/sched/signal.h> #include <linux/delay.h> @@ -1409,22 +1408,10 @@ blk_status_t blk_execute_rq(struct request *rq, bool at_head) blk_mq_insert_request(rq, at_head ? BLK_MQ_INSERT_AT_HEAD : 0); blk_mq_run_hw_queue(hctx, false); - if (blk_rq_is_poll(rq)) { + if (blk_rq_is_poll(rq)) blk_rq_poll_completion(rq, &wait.done); - } else { - /* - * Prevent hang_check timer from firing at us during very long - * I/O - */ - unsigned long hang_check = sysctl_hung_task_timeout_secs; - - if (hang_check) - while (!wait_for_completion_io_timeout(&wait.done, - hang_check * (HZ/2))) - ; - else - wait_for_completion_io(&wait.done); - } + else + blk_wait_io(&wait.done); return wait.ret; } |