diff options
Diffstat (limited to 'block/blk-mq-tag.h')
| -rw-r--r-- | block/blk-mq-tag.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/block/blk-mq-tag.h b/block/blk-mq-tag.h index 06d4a2f0f7a0..7aa9f0665489 100644 --- a/block/blk-mq-tag.h +++ b/block/blk-mq-tag.h @@ -11,8 +11,8 @@ struct bt_wait_state { wait_queue_head_t wait; } ____cacheline_aligned_in_smp; -#define TAG_TO_INDEX(tag) ((tag) / BITS_PER_LONG) -#define TAG_TO_BIT(tag) ((tag) & (BITS_PER_LONG - 1)) +#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; @@ -22,9 +22,10 @@ struct blk_mq_bitmap { struct blk_mq_bitmap_tags { unsigned int depth; unsigned int wake_cnt; + unsigned int bits_per_word; - struct blk_mq_bitmap *map; unsigned int map_nr; + struct blk_mq_bitmap *map; unsigned int wake_index; struct bt_wait_state *bs; |