Commit be754d2c authored by Richard Kennedy's avatar Richard Kennedy Committed by Jens Axboe
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block: reorder cfq_queue to save space on 64bit builds 



saves 8 bytes of padding & increases objects/slab from 30 to 32 on my
AMD64 config

Signed-off-by: default avatarRichard Kennedy <richard@rsk.demon.co.uk>
Signed-off-by: default avatarJens Axboe <jens.axboe@oracle.com>
parent 05caf8db

block/cfq-iosched.c

+4 −4
Original line number Diff line number Diff line
@@ -124,6 +124,8 @@ struct cfq_data { 
struct cfq_queue {

	/* reference count */

	atomic_t ref;

	/* various state flags, see below */

	unsigned int flags;

	/* parent cfq_data */

	struct cfq_data *cfqd;

	/* service_tree member */
@@ -138,14 +140,14 @@ struct cfq_queue { 
	int queued[2];

	/* currently allocated requests */

	int allocated[2];

	/* pending metadata requests */

	int meta_pending;

	/* fifo list of requests in sort_list */

	struct list_head fifo;



	unsigned long slice_end;

	long slice_resid;



	/* pending metadata requests */

	int meta_pending;

	/* number of requests that are on the dispatch list or inside driver */

	int dispatched;
@@ -153,8 +155,6 @@ struct cfq_queue { 
	unsigned short ioprio, org_ioprio;

	unsigned short ioprio_class, org_ioprio_class;



	/* various state flags, see below */

	unsigned int flags;

};



enum cfqq_state_flags {