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| author | Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> | 2020-11-10 03:33:42 +0300 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2020-12-01 22:36:35 +0300 |
| commit | 0d2e7c840b178bf9a47bd0de89d8f9182fa71d86 (patch) | |
| tree | 451b96fa96a4b1253ee0f37ccd95b34be89c754f /drivers/nvme | |
| parent | 84115d6d80c809d65c42f9383f22c10b91a4eb1c (diff) | |
| download | linux-0d2e7c840b178bf9a47bd0de89d8f9182fa71d86.tar.xz | |
nvme: centralize setting the timeout in nvme_alloc_request
The function nvme_alloc_request() is called from different context
(I/O and Admin queue) where callers do not consider the I/O timeout when
called from I/O queue context.
Update nvme_alloc_request() to set the default I/O and Admin timeout
value based on whether the queuedata is set or not.
Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/nvme')
| -rw-r--r-- | drivers/nvme/host/core.c | 11 | ||||
| -rw-r--r-- | drivers/nvme/host/lightnvm.c | 3 | ||||
| -rw-r--r-- | drivers/nvme/host/pci.c | 2 |
3 files changed, 11 insertions, 5 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 9b01afcb7777..97348b1ecfd6 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -533,6 +533,11 @@ struct request *nvme_alloc_request(struct request_queue *q, if (IS_ERR(req)) return req; + if (req->q->queuedata) + req->timeout = NVME_IO_TIMEOUT; + else /* no queuedata implies admin queue */ + req->timeout = ADMIN_TIMEOUT; + req->cmd_flags |= REQ_FAILFAST_DRIVER; nvme_clear_nvme_request(req); nvme_req(req)->cmd = cmd; @@ -901,7 +906,8 @@ int __nvme_submit_sync_cmd(struct request_queue *q, struct nvme_command *cmd, if (IS_ERR(req)) return PTR_ERR(req); - req->timeout = timeout ? timeout : ADMIN_TIMEOUT; + if (timeout) + req->timeout = timeout; if (buffer && bufflen) { ret = blk_rq_map_kern(q, req, buffer, bufflen, GFP_KERNEL); @@ -1071,7 +1077,8 @@ static int nvme_submit_user_cmd(struct request_queue *q, if (IS_ERR(req)) return PTR_ERR(req); - req->timeout = timeout ? timeout : ADMIN_TIMEOUT; + if (timeout) + req->timeout = timeout; nvme_req(req)->flags |= NVME_REQ_USERCMD; if (ubuffer && bufflen) { diff --git a/drivers/nvme/host/lightnvm.c b/drivers/nvme/host/lightnvm.c index 8e562d0f2c30..88a7c8eac455 100644 --- a/drivers/nvme/host/lightnvm.c +++ b/drivers/nvme/host/lightnvm.c @@ -774,7 +774,8 @@ static int nvme_nvm_submit_user_cmd(struct request_queue *q, goto err_cmd; } - rq->timeout = timeout ? timeout : ADMIN_TIMEOUT; + if (timeout) + rq->timeout = timeout; if (ppa_buf && ppa_len) { ppa_list = dma_pool_alloc(dev->dma_pool, GFP_KERNEL, &ppa_dma); diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 0578ff253c47..76465d335924 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -1310,7 +1310,6 @@ static enum blk_eh_timer_return nvme_timeout(struct request *req, bool reserved) return BLK_EH_RESET_TIMER; } - abort_req->timeout = ADMIN_TIMEOUT; abort_req->end_io_data = NULL; blk_execute_rq_nowait(abort_req->q, NULL, abort_req, 0, abort_endio); @@ -2223,7 +2222,6 @@ static int nvme_delete_queue(struct nvme_queue *nvmeq, u8 opcode) if (IS_ERR(req)) return PTR_ERR(req); - req->timeout = ADMIN_TIMEOUT; req->end_io_data = nvmeq; init_completion(&nvmeq->delete_done); |