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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-11-27 15:47:52 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-11-27 15:47:52 +0100 |
| commit | dc93967b8094b64ea3fd85bf933561d89b6951af (patch) | |
| tree | 70a3e98b1e1a9ace63900a019e559981fe675dfd /drivers/scsi/scsi_lib.c | |
| parent | 8341f2f222d729688014ce8306727fdb9798d37e (diff) | |
| parent | 2e6e902d185027f8e3cb8b7305238f7e35d6a436 (diff) | |
Merge 4.20-rc4 into tty-next
We need the gsps fixes in here for some other serdev patches we will be
merging into this branch.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/scsi/scsi_lib.c')
| -rw-r--r-- | drivers/scsi/scsi_lib.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index c7fccbb8f554..fa6e0c3b3aa6 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -697,6 +697,12 @@ static bool scsi_end_request(struct request *req, blk_status_t error, */ scsi_mq_uninit_cmd(cmd); + /* + * queue is still alive, so grab the ref for preventing it + * from being cleaned up during running queue. + */ + percpu_ref_get(&q->q_usage_counter); + __blk_mq_end_request(req, error); if (scsi_target(sdev)->single_lun || @@ -704,6 +710,8 @@ static bool scsi_end_request(struct request *req, blk_status_t error, kblockd_schedule_work(&sdev->requeue_work); else blk_mq_run_hw_queues(q, true); + + percpu_ref_put(&q->q_usage_counter); } else { unsigned long flags; |