diff options
| author | Martin K. Petersen <martin.petersen@oracle.com> | 2008-10-01 22:42:53 -0400 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2008-10-09 08:56:22 +0200 |
| commit | ad3316bf4eeb53c89164f759767f911072b56203 (patch) | |
| tree | 12caa0194f385c58e4543ad864a58dff02f33a47 /include/linux | |
| parent | b02739b01c5309d74a59859f2ce92c931d1f1955 (diff) | |
block: Find bio sector offset given idx and offset
Helper function to find the sector offset in a bio given bvec index
and page offset.
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/bio.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/bio.h b/include/linux/bio.h index d86d39d490e6..fe12d0f9ebaa 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -327,6 +327,7 @@ extern int bio_add_page(struct bio *, struct page *, unsigned int,unsigned int); extern int bio_add_pc_page(struct request_queue *, struct bio *, struct page *, unsigned int, unsigned int); extern int bio_get_nr_vecs(struct block_device *); +extern sector_t bio_sector_offset(struct bio *, unsigned short, unsigned int); extern struct bio *bio_map_user(struct request_queue *, struct block_device *, unsigned long, unsigned int, int, gfp_t); struct sg_iovec; |