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authorJens Axboe <axboe@fb.com>2014-05-19 09:17:48 -0600
committerJens Axboe <axboe@fb.com>2014-05-19 11:02:47 -0600
commite93ecf602beb8439f0bdcc1fa2cbc1f31fdfb8e2 (patch)
tree030ba8a90d4ebf1f9cd5d546066d12037402eda1 /block/blk-mq-tag.h
parent2667bcbbd5ed71f29b78ba69f059dbc450e07faf (diff)
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blk-mq: move the cache friendly bitmap type of out blk-mq-tag
We will use it for the pending list in blk-mq core as well. Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'block/blk-mq-tag.h')
-rw-r--r--block/blk-mq-tag.h9
1 files changed, 3 insertions, 6 deletions
diff --git a/block/blk-mq-tag.h b/block/blk-mq-tag.h
index 7aa9f0665489..9014269f3910 100644
--- a/block/blk-mq-tag.h
+++ b/block/blk-mq-tag.h
@@ -1,6 +1,8 @@
#ifndef INT_BLK_MQ_TAG_H
#define INT_BLK_MQ_TAG_H
+#include "blk-mq.h"
+
enum {
BT_WAIT_QUEUES = 8,
BT_WAIT_BATCH = 8,
@@ -14,18 +16,13 @@ struct bt_wait_state {
#define TAG_TO_INDEX(bt, tag) ((tag) >> (bt)->bits_per_word)
#define TAG_TO_BIT(bt, tag) ((tag) & ((1 << (bt)->bits_per_word) - 1))
-struct blk_mq_bitmap {
- unsigned long word;
- unsigned long depth;
-} ____cacheline_aligned_in_smp;
-
struct blk_mq_bitmap_tags {
unsigned int depth;
unsigned int wake_cnt;
unsigned int bits_per_word;
unsigned int map_nr;
- struct blk_mq_bitmap *map;
+ struct blk_align_bitmap *map;
unsigned int wake_index;
struct bt_wait_state *bs;