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| author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-04 10:44:01 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-04 10:44:01 -0700 |
| commit | cc94dcf5f24e474cd885f03973bffd7fb8a7072c (patch) | |
| tree | c8bead67d03b726b2512b9fd0220106db7ece7d4 /include/linux/blkdev.h | |
| parent | 5170065d8af2c102ca940303416579606bc7ff51 (diff) | |
| parent | 2c2345c2b4fec30d12e1e1a6ee153a80af101e32 (diff) | |
Merge branch 'for-2.6.19' of git://brick.kernel.dk/data/git/linux-2.6-block
* 'for-2.6.19' of git://brick.kernel.dk/data/git/linux-2.6-block:
[PATCH] Document bi_sector and sector_t
[PATCH] helper function for retrieving scsi_cmd given host based block layer tag
Diffstat (limited to 'include/linux/blkdev.h')
| -rw-r--r-- | include/linux/blkdev.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 1d79b8d4ca6..26f7856ff81 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -769,6 +769,14 @@ extern struct blk_queue_tag *blk_init_tags(int); extern void blk_free_tags(struct blk_queue_tag *); extern void blk_congestion_end(int rw); +static inline struct request *blk_map_queue_find_tag(struct blk_queue_tag *bqt, + int tag) +{ + if (unlikely(bqt == NULL || tag >= bqt->real_max_depth)) + return NULL; + return bqt->tag_index[tag]; +} + extern void blk_rq_bio_prep(request_queue_t *, struct request *, struct bio *); extern int blkdev_issue_flush(struct block_device *, sector_t *); |