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| author | David C Somayajulu <david.somayajulu@qlogic.com> | 2006-10-04 08:27:25 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@nelson.home.kernel.dk> | 2006-10-04 19:32:09 +0200 |
| commit | f583f4924d669d36de677e0cc2422ee95203d444 (patch) | |
| tree | 08efeac804151bbaef8cf0ca7effaa4e30e037f9 /block | |
| parent | 4a61f17378c2cdd9bd8f34ef8bd7422861d0c1f1 (diff) | |
| download | linux-3.10-f583f4924d669d36de677e0cc2422ee95203d444.tar.gz linux-3.10-f583f4924d669d36de677e0cc2422ee95203d444.tar.bz2 linux-3.10-f583f4924d669d36de677e0cc2422ee95203d444.zip | |
[PATCH] helper function for retrieving scsi_cmd given host based block layer tag
This was necessitated by the need for a function to get back
to a scsi_cmnd, when an hba the posts its (corresponding) completion
interrupt with a block layer tag as its reference.
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: David Somayajulu <david.somayajulu@qlogic.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'block')
| -rw-r--r-- | block/ll_rw_blk.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/block/ll_rw_blk.c b/block/ll_rw_blk.c index 83425fb3c8d..c847e17e5ca 100644 --- a/block/ll_rw_blk.c +++ b/block/ll_rw_blk.c @@ -840,12 +840,7 @@ EXPORT_SYMBOL(blk_queue_dma_alignment); **/ struct request *blk_queue_find_tag(request_queue_t *q, int tag) { - struct blk_queue_tag *bqt = q->queue_tags; - - if (unlikely(bqt == NULL || tag >= bqt->real_max_depth)) - return NULL; - - return bqt->tag_index[tag]; + return blk_map_queue_find_tag(q->queue_tags, tag); } EXPORT_SYMBOL(blk_queue_find_tag); |