diff options
author | Martin K. Petersen <martin.petersen@oracle.com> | 2009-06-16 02:23:52 -0400 |
---|---|---|
committer | Jens Axboe <jens.axboe@oracle.com> | 2009-06-16 02:23:52 -0400 |
commit | e475bba2fdee9c3dbfe25f026f8fb8de69508ad2 (patch) | |
tree | cb2a050b58fbd8cd7a4d82349164622fedc2c6d0 /include | |
parent | 6923715ae39ed39ac2fc1993e5061668f4f71ad0 (diff) |
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 <martin.petersen@oracle.com>
Acked-by: Alasdair G Kergon <agk@redhat.com>
Acked-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/blkdev.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 0b1a6cae9de1..8963d9149b5f 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, | |||
926 | unsigned int alignment); | 926 | unsigned int alignment); |
927 | extern void blk_queue_io_min(struct request_queue *q, unsigned int min); | 927 | extern void blk_queue_io_min(struct request_queue *q, unsigned int min); |
928 | extern void blk_queue_io_opt(struct request_queue *q, unsigned int opt); | 928 | extern void blk_queue_io_opt(struct request_queue *q, unsigned int opt); |
929 | extern void blk_set_default_limits(struct queue_limits *lim); | ||
929 | extern int blk_stack_limits(struct queue_limits *t, struct queue_limits *b, | 930 | extern int blk_stack_limits(struct queue_limits *t, struct queue_limits *b, |
930 | sector_t offset); | 931 | sector_t offset); |
931 | extern void disk_stack_limits(struct gendisk *disk, struct block_device *bdev, | 932 | extern void disk_stack_limits(struct gendisk *disk, struct block_device *bdev, |