diff options
| author | Takashi Iwai <tiwai@suse.de> | 2010-02-17 14:24:46 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2010-02-17 14:24:46 +0100 |
| commit | 7fb3a069bc5d3577409c2ae89f89cd264ff85816 (patch) | |
| tree | 7fe3ba3b95faeecb01e4feafb9288ef4b523c6b3 /include/linux/blkdev.h | |
| parent | 291186e049d7f8178ad31d43c38a53889f25d79e (diff) | |
| parent | 9d3415a8cc76ff65c6602a121ac318432c5cd7ba (diff) | |
Merge branch 'fix/misc' into topic/misc
Conflicts:
sound/pci/hda/patch_realtek.c
Diffstat (limited to 'include/linux/blkdev.h')
| -rw-r--r-- | include/linux/blkdev.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 9b98173a8184..5c8018977efa 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); @@ -1148,8 +1150,11 @@ static inline int queue_discard_alignment(struct request_queue *q) static inline int queue_sector_discard_alignment(struct request_queue *q, sector_t sector) { - return ((sector << 9) - q->limits.discard_alignment) - & (q->limits.discard_granularity - 1); + struct queue_limits *lim = &q->limits; + unsigned int alignment = (sector << 9) & (lim->discard_granularity - 1); + + return (lim->discard_granularity + lim->discard_alignment - alignment) + & (lim->discard_granularity - 1); } static inline unsigned int queue_discard_zeroes_data(struct request_queue *q) |