diff options
| author | John Garry <john.garry@huawei.com> | 2020-08-19 18:20:23 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2020-09-04 00:20:47 +0300 |
| commit | 222a5ae03cdd12e7643f2f64689a39ed547650cb (patch) | |
| tree | 0c9e5f6ae1341138eeddb15f43112e310497f5ae /block/blk-mq-tag.h | |
| parent | 1c0706a70a64eda48477caa880657e07f5196512 (diff) | |
| download | linux-222a5ae03cdd12e7643f2f64689a39ed547650cb.tar.xz | |
blk-mq: Use pointers for blk_mq_tags bitmap tags
Introduce pointers for the blk_mq_tags regular and reserved bitmap tags,
with the goal of later being able to use a common shared tag bitmap across
all HW contexts in a set.
Signed-off-by: John Garry <john.garry@huawei.com>
Tested-by: Don Brace<don.brace@microsemi.com> #SCSI resv cmds patches used
Tested-by: Douglas Gilbert <dgilbert@interlog.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-mq-tag.h')
| -rw-r--r-- | block/blk-mq-tag.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/block/blk-mq-tag.h b/block/blk-mq-tag.h index 391f68d32fa1..5b6f25bd1966 100644 --- a/block/blk-mq-tag.h +++ b/block/blk-mq-tag.h @@ -13,8 +13,11 @@ struct blk_mq_tags { atomic_t active_queues; - struct sbitmap_queue bitmap_tags; - struct sbitmap_queue breserved_tags; + struct sbitmap_queue *bitmap_tags; + struct sbitmap_queue *breserved_tags; + + struct sbitmap_queue __bitmap_tags; + struct sbitmap_queue __breserved_tags; struct request **rqs; struct request **static_rqs; |