[PATCH] blk: remove BLK_TAGS_{PER_LONG|MASK}

Replace BLK_TAGS_PER_LONG with BITS_PER_LONG and remove unused BLK_TAGS_MASK.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Acked-by: Jens Axboe <axboe@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

2 files changed, 2 insertions, 5 deletions

diff --git a/drivers/block/ll_rw_blk.c b/drivers/block/ll_rw_blk.c
index 896d17c28f42..99afeec1031f 100644
--- a/drivers/block/ll_rw_blk.c
+++ b/drivers/block/ll_rw_blk.c
@@ -789,7 +789,7 @@ init_tag_map(request_queue_t *q, struct blk_queue_tag *tags, int depth)
         if (!tag_index)
                 goto fail;
 
-        nr_ulongs = ALIGN(depth, BLK_TAGS_PER_LONG) / BLK_TAGS_PER_LONG;
+        nr_ulongs = ALIGN(depth, BITS_PER_LONG) / BITS_PER_LONG;
         tag_map = kmalloc(nr_ulongs * sizeof(unsigned long), GFP_ATOMIC);
         if (!tag_map)
                 goto fail;
@@ -880,7 +880,7 @@ int blk_queue_resize_tags(request_queue_t *q, int new_depth)
                 return -ENOMEM;
 
         memcpy(bqt->tag_index, tag_index, max_depth * sizeof(struct request *));
-        nr_ulongs = ALIGN(max_depth, BLK_TAGS_PER_LONG) / BLK_TAGS_PER_LONG;
+        nr_ulongs = ALIGN(max_depth, BITS_PER_LONG) / BITS_PER_LONG;
         memcpy(bqt->tag_map, tag_map, nr_ulongs * sizeof(unsigned long));
 
         kfree(tag_index);
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 8d7e2f4151d0..60272141ff19 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -285,9 +285,6 @@ enum blk_queue_state {
         Queue_up,
 };
 
-#define BLK_TAGS_PER_LONG       (sizeof(unsigned long) * 8)
-#define BLK_TAGS_MASK           (BLK_TAGS_PER_LONG - 1)
-
 struct blk_queue_tag {
         struct request **tag_index;     /* map of busy tags */
         unsigned long *tag_map;         /* bit map of free/busy tags */