The patch titled
reiserfs-reorganize-bitmap-loading-functions-fix
has been added to the -mm tree. Its filename is
reiserfs-reorganize-bitmap-loading-functions-fix.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: reiserfs-reorganize-bitmap-loading-functions-fix
From: Jeff Mahoney <jeffm@xxxxxxxx>
Signed-off-by: Jeff Mahoney <jeffm@xxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
fs/reiserfs/bitmap.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff -puN fs/reiserfs/bitmap.c~reiserfs-reorganize-bitmap-loading-functions-fix fs/reiserfs/bitmap.c
--- a/fs/reiserfs/bitmap.c~reiserfs-reorganize-bitmap-loading-functions-fix
+++ a/fs/reiserfs/bitmap.c
@@ -1292,25 +1292,25 @@ void reiserfs_cache_bitmap_metadata(stru
struct buffer_head *bh,
struct reiserfs_bitmap_info *info)
{
- unsigned long *cur = (unsigned long *)bh->b_data;
- int i;
+ unsigned long *cur = (unsigned long *)(bh->b_data + bh->b_size);
+
+ while (--cur >= (unsigned long *)bh->b_data) {
+ int base = ((char *)cur - bh->b_data) << 3;
- for (i = sb->s_blocksize / sizeof (*cur); i > 0; i--, cur++) {
/* 0 and ~0 are special, we can optimize for them */
if (*cur == 0) {
- info->first_zero_hint = i << 3;
- info->free_count += sizeof (*cur) << 3;
+ info->first_zero_hint = base;
+ info->free_count += BITS_PER_LONG;
} else if (*cur != ~0L) { /* A mix, investigate */
int b;
- for (b = sizeof (*cur) << 3; b >= 0; b--) {
+ for (b = BITS_PER_LONG - 1; b >= 0; b--) {
if (!reiserfs_test_le_bit(b, cur)) {
- info->first_zero_hint = (i << 3) + b;
+ info->first_zero_hint = base + b;
info->free_count++;
}
}
}
}
-
/* The first bit must ALWAYS be 1 */
BUG_ON(info->first_zero_hint == 0);
}
_
Patches currently in -mm which might be from jeffm@xxxxxxxx are
reiserfs-fix-is_reusable-bitmap-check-to-not-traverse-the-bitmap-info-array.patch
reiserfs-clean-up-bitmap-block-buffer-head-references.patch
reiserfs-reorganize-bitmap-loading-functions.patch
reiserfs-reorganize-bitmap-loading-functions-fix.patch
reiserfs-on-demand-bitmap-loading.patch
reiserfs-on-demand-bitmap-loading-fix.patch
reiserfs-use-generic_file_open-for-open-checks.patch
lib-add-idr_replace.patch
lib-add-idr_replace-tidy.patch
dm-fix-idr-minor-allocation.patch
dm-move-idr_pre_get.patch
dm-change-minor_lock-to-spinlock.patch
dm-add-dmf_freeing.patch
dm-fix-mapped-device-ref-counting.patch
dm-add-module-ref-counting.patch
dm-fix-block-device-initialisation.patch
-
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