lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

block: Introduce helper to reset queue limits to default values

Browse Source 
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>
This commit is contained in:
Martin K. Petersen
2009-06-16 08:23:52 +02:00
committed by Jens Axboe
parent 6923715ae3
commit e475bba2fd
2 changed files with 28 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
include/linux/blkdev.h
View File

@ -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,