From e475bba2fdee9c3dbfe25f026f8fb8de69508ad2 Mon Sep 17 00:00:00 2001 From: "Martin K. Petersen" Date: Tue, 16 Jun 2009 08:23:52 +0200 Subject: block: Introduce helper to reset queue limits to default values DM reuses the request queue when swapping in a new device table Introduce blk_set_default_limits() which can be used to reset the the queue_limits prior to stacking devices. Signed-off-by: Martin K. Petersen Acked-by: Alasdair G Kergon Acked-by: Mike Snitzer Signed-off-by: Jens Axboe --- include/linux/blkdev.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include/linux/blkdev.h') diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 0b1a6cae9de..8963d9149b5 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -926,6 +926,7 @@ extern void blk_queue_alignment_offset(struct request_queue *q, unsigned int alignment); extern void blk_queue_io_min(struct request_queue *q, unsigned int min); extern void blk_queue_io_opt(struct request_queue *q, unsigned int opt); +extern void blk_set_default_limits(struct queue_limits *lim); extern int blk_stack_limits(struct queue_limits *t, struct queue_limits *b, sector_t offset); extern void disk_stack_limits(struct gendisk *disk, struct block_device *bdev, -- cgit v1.2.2