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blk-mq-tag: remove redundant check for 'data->hctx' being non-NULL 

We used to pass in NULL for hctx for reserved tags, but we don't
do that anymore. Hence the check for whether hctx is NULL or not
is now redundant, kill it.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: a642a158aec6 ("blk-mq-tag: cleanup the normal/reserved tag allocation")
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Jens Axboe 2017-01-19 07:39:17 -07:00
parent 610d886c0c
commit 8cecb07d70
1 changed files with 2 additions and 4 deletions
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6
block/blk-mq-tag.c
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@ -136,11 +136,9 @@ unsigned int blk_mq_get_tag(struct blk_mq_alloc_data *data)
/*
* We're out of tags on this hardware queue, kick any
* pending IO submits before going to sleep waiting for
* some to complete. Note that hctx can be NULL here for
* reserved tag allocation.
* some to complete.
*/
if (data->hctx)
blk_mq_run_hw_queue(data->hctx, false);
blk_mq_run_hw_queue(data->hctx, false);
/*
* Retry tag allocation after running the hardware queue,