path: root/block/blk-mq-tag.h
diff options
authorJohn Garry <>2020-08-19 23:20:23 +0800
committerJens Axboe <>2020-09-03 15:20:47 -0600
commit222a5ae03cdd12e7643f2f64689a39ed547650cb (patch)
tree0c9e5f6ae1341138eeddb15f43112e310497f5ae /block/blk-mq-tag.h
parent1c0706a70a64eda48477caa880657e07f5196512 (diff)
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 <> Tested-by: Don Brace<> #SCSI resv cmds patches used Tested-by: Douglas Gilbert <> Reviewed-by: Hannes Reinecke <> Signed-off-by: Jens Axboe <>
Diffstat (limited to 'block/blk-mq-tag.h')
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;