diff options
| author | Shaohua Li <shli@fb.com> | 2015-01-15 17:32:25 -0800 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2015-01-23 14:15:46 -0700 |
| commit | ee1b6f7aff94019c09e73837054979063f722046 (patch) | |
| tree | 79c7b943d7c6d62fec1874afd2c50964de054aa0 /include/scsi/scsi_tcq.h | |
| parent | bb5c3cdda37aad22996d6da2addd58cadc0436c0 (diff) | |
block: support different tag allocation policy
The libata tag allocation is using a round-robin policy. Next patch will
make libata use block generic tag allocation, so let's add a policy to
tag allocation.
Currently two policies: FIFO (default) and round-robin.
Cc: Jens Axboe <axboe@fb.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Shaohua Li <shli@fb.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'include/scsi/scsi_tcq.h')
| -rw-r--r-- | include/scsi/scsi_tcq.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/scsi/scsi_tcq.h b/include/scsi/scsi_tcq.h index 9708b28bd2aa..b27977e8aaed 100644 --- a/include/scsi/scsi_tcq.h +++ b/include/scsi/scsi_tcq.h @@ -66,7 +66,8 @@ static inline int scsi_init_shared_tag_map(struct Scsi_Host *shost, int depth) * devices on the shared host (for libata) */ if (!shost->bqt) { - shost->bqt = blk_init_tags(depth); + shost->bqt = blk_init_tags(depth, + shost->hostt->tag_alloc_policy); if (!shost->bqt) return -ENOMEM; } |