tree 171fd625657933067d47b0ef0a29f10443a21c81
parent bf36f9cfa6d3d129387b9d62f495d978ed4ade7c
author Jan Kara <jack@suse.cz> 1393256392 +0100
committer Jens Axboe <axboe@fb.com> 1393281992 -0800

block: Stop abusing csd.list for fifo_time

Block layer currently abuses rq->csd.list.next for storing fifo_time.
That is a terrible hack and completely unnecessary as well. Union
achieves the same space saving in a cleaner way.

Signed-off-by: Jan Kara <jack@suse.cz>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jens Axboe <axboe@fb.com>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Jens Axboe <axboe@fb.com>