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[PATCH] md/bitmap: remove dead code from md/bitmap

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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Also remove some out-of-date 'todo' comments.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>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
NeilBrown 2006-06-26 00:27:47 -07:00 committed by Linus Torvalds
parent a647e4bc5c
commit 0cdd02cabd
1 changed files with 0 additions and 22 deletions
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22
drivers/md/bitmap.c
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@ -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 bitmap *bitmap)
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;