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authorChristoph Hellwig <hch@lst.de>2017-01-27 09:51:45 -0700
committerJens Axboe <axboe@fb.com>2017-01-27 15:08:35 -0700
commit6d247d7f71d1fa4b66a5f4da7b1daa21510d529b (patch)
tree449921f154b9bd0176453478fdd7a8c6911be5ad /block/blk-sysfs.c
parent5ea708d15a928f7a479987704203616d3274c03b (diff)
downloadlinux-0-day-6d247d7f71d1fa4b66a5f4da7b1daa21510d529b.tar.gz
block: allow specifying size for extra command data
This mirrors the blk-mq capabilities to allocate extra drivers-specific data behind struct request by setting a cmd_size field, as well as having a constructor / destructor for it. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'block/blk-sysfs.c')
-rw-r--r--block/blk-sysfs.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c
index 1dbce05..894f773 100644
--- a/block/blk-sysfs.c
+++ b/block/blk-sysfs.c
@@ -814,10 +814,13 @@ static void blk_release_queue(struct kobject *kobj)
if (q->queue_tags)
__blk_queue_free_tags(q);
- if (!q->mq_ops)
+ if (!q->mq_ops) {
+ if (q->exit_rq_fn)
+ q->exit_rq_fn(q, q->fq->flush_rq);
blk_free_flush_queue(q->fq);
- else
+ } else {
blk_mq_release(q);
+ }
blk_trace_shutdown(q);