diff options
| author |   Sagi Grimberg <sagi@grimberg.me> | 2022-03-21 13:57:27 +0200 |
|---|---|---|
| committer |   Christoph Hellwig <hch@lst.de> | 2022-03-29 09:29:04 +0200 |
| commit | 8832cf922151e9dfa2821736beb0ae2dd3968b6e (patch) | |
| tree | e73b437a77400681d0c2bb1e94a52f2ddfcdb34a /drivers/nvme/target/loop.c | |
| parent | nvme-pci: add quirks for Samsung X5 SSDs (diff) | |
| download | linux-dev-8832cf922151e9dfa2821736beb0ae2dd3968b6e.tar.xz linux-dev-8832cf922151e9dfa2821736beb0ae2dd3968b6e.zip | |
nvmet: use a private workqueue instead of the system workqueue
Any attempt to flush kernel-global WQs has possibility of deadlock
so we should simply stop using them, instead introduce nvmet_wq
which is the generic nvmet workqueue for work elements that
don't explicitly require a dedicated workqueue (by the mere fact
that they are using the system_wq).
Changes were done using the following replaces:
- s/schedule_work(/queue_work(nvmet_wq, /g
- s/schedule_delayed_work(/queue_delayed_work(nvmet_wq, /g
- s/flush_scheduled_work()/flush_workqueue(nvmet_wq)/g
Reported-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/nvme/target/loop.c')
| -rw-r--r-- | drivers/nvme/target/loop.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/nvme/target/loop.c b/drivers/nvme/target/loop.c index 23f9d6f88804..59024af2da2e 100644 --- a/drivers/nvme/target/loop.c +++ b/drivers/nvme/target/loop.c @@ -166,7 +166,7 @@ static blk_status_t nvme_loop_queue_rq(struct blk_mq_hw_ctx *hctx, iod->req.transfer_len = blk_rq_payload_bytes(req); } - schedule_work(&iod->work); + queue_work(nvmet_wq, &iod->work); return BLK_STS_OK; } @@ -187,7 +187,7 @@ static void nvme_loop_submit_async_event(struct nvme_ctrl *arg) return; } - schedule_work(&iod->work); + queue_work(nvmet_wq, &iod->work); } static int nvme_loop_init_iod(struct nvme_loop_ctrl *ctrl, |