Kernel/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2024-12-29 09:13:38 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

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

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
block/blk-mq-tag.c
View File

@ -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,