From 6d247d7f71d1fa4b66a5f4da7b1daa21510d529b Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Fri, 27 Jan 2017 09:51:45 -0700 Subject: 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 Reviewed-by: Martin K. Petersen Reviewed-by: Hannes Reinecke Signed-off-by: Jens Axboe --- block/blk-sysfs.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) (limited to 'block/blk-sysfs.c') 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); -- cgit v1.1