diff options
author | NeilBrown <neilb@suse.de> | 2006-06-26 03:27:47 -0400 |
---|---|---|
committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-26 12:58:38 -0400 |
commit | 0cdd02cabd86b5d547f882005e23a93929f0ace9 (patch) | |
tree | f6b54f8c58d96ca239d8a0923025eef69fdd91ff /drivers/md | |
parent | a647e4bc5ce697e25ff50d2e22de68a581b1ed38 (diff) |
[PATCH] md/bitmap: remove dead code from md/bitmap
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Also remove some out-of-date 'todo' comments.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>
Diffstat (limited to 'drivers/md')
-rw-r--r-- | drivers/md/bitmap.c | 22 |
1 files changed, 0 insertions, 22 deletions
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c index 609e68d3e1b..dfe5e12741b 100644 --- a/drivers/md/bitmap.c +++ b/drivers/md/bitmap.c | |||
@@ -14,9 +14,6 @@ | |||
14 | * | 14 | * |
15 | * flush after percent set rather than just time based. (maybe both). | 15 | * flush after percent set rather than just time based. (maybe both). |
16 | * wait if count gets too high, wake when it drops to half. | 16 | * wait if count gets too high, wake when it drops to half. |
17 | * allow bitmap to be mirrored with superblock (before or after...) | ||
18 | * allow hot-add to re-instate a current device. | ||
19 | * allow hot-add of bitmap after quiessing device | ||
20 | */ | 17 | */ |
21 | 18 | ||
22 | #include <linux/module.h> | 19 | #include <linux/module.h> |
@@ -70,23 +67,6 @@ static inline char * bmname(struct bitmap *bitmap) | |||
70 | return bitmap->mddev ? mdname(bitmap->mddev) : "mdX"; | 67 | return bitmap->mddev ? mdname(bitmap->mddev) : "mdX"; |
71 | } | 68 | } |
72 | 69 | ||
73 | |||
74 | /* | ||
75 | * test if the bitmap is active | ||
76 | */ | ||
77 | int bitmap_active(struct bitmap *bitmap) | ||
78 | { | ||
79 | unsigned long flags; | ||
80 | int res = 0; | ||
81 | |||
82 | if (!bitmap) | ||
83 | return res; | ||
84 | spin_lock_irqsave(&bitmap->lock, flags); | ||
85 | res = bitmap->flags & BITMAP_ACTIVE; | ||
86 | spin_unlock_irqrestore(&bitmap->lock, flags); | ||
87 | return res; | ||
88 | } | ||
89 | |||
90 | #define WRITE_POOL_SIZE 256 | 70 | #define WRITE_POOL_SIZE 256 |
91 | 71 | ||
92 | /* | 72 | /* |
@@ -1496,8 +1476,6 @@ int bitmap_create(mddev_t *mddev) | |||
1496 | if (!bitmap->bp) | 1476 | if (!bitmap->bp) |
1497 | goto error; | 1477 | goto error; |
1498 | 1478 | ||
1499 | bitmap->flags |= BITMAP_ACTIVE; | ||
1500 | |||
1501 | /* now that we have some pages available, initialize the in-memory | 1479 | /* now that we have some pages available, initialize the in-memory |
1502 | * bitmap from the on-disk bitmap */ | 1480 | * bitmap from the on-disk bitmap */ |
1503 | start = 0; | 1481 | start = 0; |