diff options
| author | Chao Leng <lengchao@huawei.com> | 2021-01-21 11:32:36 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-03-07 12:20:46 +0100 |
| commit | 4bf6c84c9ad326016c179de5ba4f6e868e07acc7 (patch) | |
| tree | 00d4ec9d7d7dfb6ccbaa445f7df7c10907a09d1c /drivers/nvme | |
| parent | 8253cc11abb2baae408a2ac40e88c7910d1eb549 (diff) | |
nvme-core: add cancel tagset helpers
[ Upstream commit 2547906982e2e6a0d42f8957f55af5bb51a7e55f ]
Add nvme_cancel_tagset and nvme_cancel_admin_tagset for tear down and
reconnection error handling.
Signed-off-by: Chao Leng <lengchao@huawei.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/nvme')
| -rw-r--r-- | drivers/nvme/host/core.c | 20 | ||||
| -rw-r--r-- | drivers/nvme/host/nvme.h | 2 |
2 files changed, 22 insertions, 0 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index c2cabd77884b..95d77a17375e 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -317,6 +317,26 @@ bool nvme_cancel_request(struct request *req, void *data, bool reserved) } EXPORT_SYMBOL_GPL(nvme_cancel_request); +void nvme_cancel_tagset(struct nvme_ctrl *ctrl) +{ + if (ctrl->tagset) { + blk_mq_tagset_busy_iter(ctrl->tagset, + nvme_cancel_request, ctrl); + blk_mq_tagset_wait_completed_request(ctrl->tagset); + } +} +EXPORT_SYMBOL_GPL(nvme_cancel_tagset); + +void nvme_cancel_admin_tagset(struct nvme_ctrl *ctrl) +{ + if (ctrl->admin_tagset) { + blk_mq_tagset_busy_iter(ctrl->admin_tagset, + nvme_cancel_request, ctrl); + blk_mq_tagset_wait_completed_request(ctrl->admin_tagset); + } +} +EXPORT_SYMBOL_GPL(nvme_cancel_admin_tagset); + bool nvme_change_ctrl_state(struct nvme_ctrl *ctrl, enum nvme_ctrl_state new_state) { diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index e392d6cd92ce..62e5401865fe 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -468,6 +468,8 @@ static inline void nvme_put_ctrl(struct nvme_ctrl *ctrl) void nvme_complete_rq(struct request *req); bool nvme_cancel_request(struct request *req, void *data, bool reserved); +void nvme_cancel_tagset(struct nvme_ctrl *ctrl); +void nvme_cancel_admin_tagset(struct nvme_ctrl *ctrl); bool nvme_change_ctrl_state(struct nvme_ctrl *ctrl, enum nvme_ctrl_state new_state); bool nvme_wait_reset(struct nvme_ctrl *ctrl); |