diff options
| author | Christoph Hellwig <hch@lst.de> | 2018-05-30 18:51:00 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2018-05-30 11:31:34 -0600 |
| commit | d250bf4e776ff09d51c97f83c7a19f65a9e1c5a5 (patch) | |
| tree | 8b0d1aff3030f70300bd2be35b279ae24a131f8e /drivers | |
| parent | 5e3c3a7ecefefaebc7c9a626fe4522cb85bbdaad (diff) | |
| download | linux-d250bf4e776ff09d51c97f83c7a19f65a9e1c5a5.tar.bz2 | |
blk-mq: only iterate over inflight requests in blk_mq_tagset_busy_iter
We already check for started commands in all callbacks, but we should
also protect against already completed commands. Do this by taking
the checks to common code.
Acked-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/block/mtip32xx/mtip32xx.c | 12 | ||||
| -rw-r--r-- | drivers/block/nbd.c | 5 | ||||
| -rw-r--r-- | drivers/nvme/host/core.c | 3 | ||||
| -rw-r--r-- | drivers/nvme/host/fc.c | 3 |
4 files changed, 3 insertions, 20 deletions
diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c index 95657b814543..c73626decb46 100644 --- a/drivers/block/mtip32xx/mtip32xx.c +++ b/drivers/block/mtip32xx/mtip32xx.c @@ -2725,15 +2725,11 @@ static void mtip_softirq_done_fn(struct request *rq) blk_mq_end_request(rq, cmd->status); } -static void mtip_abort_cmd(struct request *req, void *data, - bool reserved) +static void mtip_abort_cmd(struct request *req, void *data, bool reserved) { struct mtip_cmd *cmd = blk_mq_rq_to_pdu(req); struct driver_data *dd = data; - if (!blk_mq_request_started(req)) - return; - dbg_printk(MTIP_DRV_NAME " Aborting request, tag = %d\n", req->tag); clear_bit(req->tag, dd->port->cmds_to_issue); @@ -2741,14 +2737,10 @@ static void mtip_abort_cmd(struct request *req, void *data, mtip_softirq_done_fn(req); } -static void mtip_queue_cmd(struct request *req, void *data, - bool reserved) +static void mtip_queue_cmd(struct request *req, void *data, bool reserved) { struct driver_data *dd = data; - if (!blk_mq_request_started(req)) - return; - set_bit(req->tag, dd->port->cmds_to_issue); blk_abort_request(req); } diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index a6e3a6f05791..3ed1ef8ee528 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -676,11 +676,8 @@ static void recv_work(struct work_struct *work) static void nbd_clear_req(struct request *req, void *data, bool reserved) { - struct nbd_cmd *cmd; + struct nbd_cmd *cmd = blk_mq_rq_to_pdu(req); - if (!blk_mq_request_started(req)) - return; - cmd = blk_mq_rq_to_pdu(req); cmd->status = BLK_STS_IOERR; blk_mq_complete_request(req); } diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 2c4cf65641a6..70c3961676e7 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -242,9 +242,6 @@ EXPORT_SYMBOL_GPL(nvme_complete_rq); void nvme_cancel_request(struct request *req, void *data, bool reserved) { - if (!blk_mq_request_started(req)) - return; - dev_dbg_ratelimited(((struct nvme_ctrl *) data)->device, "Cancelling I/O %d", req->tag); diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c index ac35a80f5532..0bad65803271 100644 --- a/drivers/nvme/host/fc.c +++ b/drivers/nvme/host/fc.c @@ -2393,9 +2393,6 @@ nvme_fc_terminate_exchange(struct request *req, void *data, bool reserved) struct nvme_fc_ctrl *ctrl = to_fc_ctrl(nctrl); struct nvme_fc_fcp_op *op = blk_mq_rq_to_pdu(req); - if (!blk_mq_request_started(req)) - return; - __nvme_fc_abort_op(ctrl, op); } |