Commit 1dd5198b authored Apr 05, 2017 by Jens Axboe

block: move timeout field in struct request to pack better



After commit 64c7f1d1, we went from 1 to 2 holes in my
test setup. If we move the timeout field a bit, we remove
both of those holes and shrink struct request by 8 bytes.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>

parent 64c7f1d1

include/linux/blkdev.h

+2 −1

Original line number	Diff line number	Diff line
		@@ -215,6 +215,8 @@ struct request {

		unsigned short ioprio;

		unsigned int timeout;

		void special; / opaque pointer available for LLD use */

		int errors;
		@@ -223,7 +225,6 @@ struct request {

		unsigned long deadline;
		struct list_head timeout_list;
		unsigned int timeout;

		/*
		* completion callback.