diff options
| author | Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> | 2019-08-22 21:45:19 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2019-08-23 06:58:05 -0600 |
| commit | a3d7d67403fcff366dafe8a7c04b15deec3d9022 (patch) | |
| tree | 5dc4ef1677eb293868324f23e516160cbadb3a83 /drivers | |
| parent | fceb5d1b19cbe6263f09dbe8e8138edf02eb6e6b (diff) | |
null_blk: create a helper for req completion
This patch creates a helper function for handling the request
completion in the null_handle_cmd().
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/block/null_blk_main.c | 49 |
1 files changed, 27 insertions, 22 deletions
diff --git a/drivers/block/null_blk_main.c b/drivers/block/null_blk_main.c index bf40c3115bb9..b26a178d064d 100644 --- a/drivers/block/null_blk_main.c +++ b/drivers/block/null_blk_main.c @@ -1182,6 +1182,32 @@ static inline blk_status_t null_handle_memory_backed(struct nullb_cmd *cmd, return errno_to_blk_status(err); } +static inline void nullb_complete_cmd(struct nullb_cmd *cmd) +{ + /* Complete IO by inline, softirq or timer */ + switch (cmd->nq->dev->irqmode) { + case NULL_IRQ_SOFTIRQ: + switch (cmd->nq->dev->queue_mode) { + case NULL_Q_MQ: + blk_mq_complete_request(cmd->rq); + break; + case NULL_Q_BIO: + /* + * XXX: no proper submitting cpu information available. + */ + end_cmd(cmd); + break; + } + break; + case NULL_IRQ_NONE: + end_cmd(cmd); + break; + case NULL_IRQ_TIMER: + null_cmd_end_timer(cmd); + break; + } +} + static blk_status_t null_handle_cmd(struct nullb_cmd *cmd, sector_t sector, sector_t nr_sectors, enum req_opf op) { @@ -1213,28 +1239,7 @@ static blk_status_t null_handle_cmd(struct nullb_cmd *cmd, sector_t sector, cmd->error = null_handle_zoned(cmd, op, sector, nr_sectors); out: - /* Complete IO by inline, softirq or timer */ - switch (dev->irqmode) { - case NULL_IRQ_SOFTIRQ: - switch (dev->queue_mode) { - case NULL_Q_MQ: - blk_mq_complete_request(cmd->rq); - break; - case NULL_Q_BIO: - /* - * XXX: no proper submitting cpu information available. - */ - end_cmd(cmd); - break; - } - break; - case NULL_IRQ_NONE: - end_cmd(cmd); - break; - case NULL_IRQ_TIMER: - null_cmd_end_timer(cmd); - break; - } + nullb_complete_cmd(cmd); return BLK_STS_OK; } |