03_blk_tag_map_remove_BLK_TAGS_PER_LONG.patch
Replace BLK_TAGS_PER_LONG with BITS_PER_LONG and remove unused
BLK_TAGS_MASK.
Signed-off-by: Tejun Heo <[EMAIL PROTECTED]>
drivers/block/ll_rw_blk.c | 4 ++--
include/linux/blkdev.h | 3 ---
2 files changed, 2 insertions(+), 5 deletions(-)
Index: blk-fixes/drivers/block/ll_rw_blk.c
===================================================================
--- blk-fixes.orig/drivers/block/ll_rw_blk.c 2005-04-20 20:36:37.000000000
+0900
+++ blk-fixes/drivers/block/ll_rw_blk.c 2005-04-20 20:36:38.000000000 +0900
@@ -788,7 +788,7 @@ init_tag_map(request_queue_t *q, struct
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;
@@ -879,7 +879,7 @@ int blk_queue_resize_tags(request_queue_
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);
Index: blk-fixes/include/linux/blkdev.h
===================================================================
--- blk-fixes.orig/include/linux/blkdev.h 2005-04-20 20:36:37.000000000
+0900
+++ blk-fixes/include/linux/blkdev.h 2005-04-20 20:36:38.000000000 +0900
@@ -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 */
-
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