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authorMartin K. Petersen <martin.petersen@oracle.com>2010-01-11 03:21:49 -0500
committerJens Axboe <jens.axboe@oracle.com>2010-01-11 14:29:20 +0100
commit17be8c245054b9c7786545af3ba3ca4e54cd4ad9 (patch)
tree563687812bbb1b08643dfcc25997e34eb22a71b5 /include
parentdd3d145d49c5816b79acc6761ebbd842bc50b0ee (diff)
downloadlinux-linaro-android-17be8c245054b9c7786545af3ba3ca4e54cd4ad9.tar.gz
block: bdev_stack_limits wrapper
DM does not want to know about partition offsets. Add a partition-aware wrapper that DM can use when stacking block devices. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Acked-by: Mike Snitzer <snitzer@redhat.com> Reviewed-by: Alasdair G Kergon <agk@redhat.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'include')
-rw-r--r--include/linux/blkdev.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index a41bcc8e140..5c8018977ef 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -938,6 +938,8 @@ 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 int bdev_stack_limits(struct queue_limits *t, struct block_device *bdev,
+ sector_t offset);
extern void disk_stack_limits(struct gendisk *disk, struct block_device *bdev,
sector_t offset);
extern void blk_queue_stack_limits(struct request_queue *t, struct request_queue *b);