[PATCH 006 of 8] md/bitmap: Remove dead code from md/bitmap.

NeilBrown
2006-05-12T06:08:22Z

bitmap_active is never called, and the BITMAP_ACTIVE flag is
never users or tested, so discard them both.

Also remove some out-of-date 'todo' comments.

Signed-off-by: Neil Brown <neilb@suse.de>

### Diffstat output
./drivers/md/bitmap.c | 22 ----------------------
1 file changed, 22 deletions(-)

diff ./drivers/md/bitmap.c~current~ ./drivers/md/bitmap.c
--- ./drivers/md/bitmap.c~current~ 2006-05-12 15:58:57.000000000 +1000
+++ ./drivers/md/bitmap.c 2006-05-12 15:59:53.000000000 +1000
@@ -14,9 +14,6 @@
*
* flush after percent set rather than just time based. (maybe both).
* wait if count gets too high, wake when it drops to half.
- * allow bitmap to be mirrored with superblock (before or after...)
- * allow hot-add to re-instate a current device.
- * allow hot-add of bitmap after quiessing device
*/

#include <linux/module.h>
@@ -70,23 +67,6 @@ static inline char * bmname(struct bitma
return bitmap->mddev ? mdname(bitmap->mddev) : "mdX";
}

-
-/*
- * test if the bitmap is active
- */
-int bitmap_active(struct bitmap *bitmap)
-{
- unsigned long flags;
- int res = 0;
-
- if (!bitmap)
- return res;
- spin_lock_irqsave(&bitmap->lock, flags);
- res = bitmap->flags & BITMAP_ACTIVE;
- spin_unlock_irqrestore(&bitmap->lock, flags);
- return res;
-}
-
#define WRITE_POOL_SIZE 256

/*
@@ -1496,8 +1476,6 @@ int bitmap_create(mddev_t *mddev)
if (!bitmap->bp)
goto error;

- bitmap->flags |= BITMAP_ACTIVE;
-
/* now that we have some pages available, initialize the in-memory
* bitmap from the on-disk bitmap */
start = 0;