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| author | Wei Yongjun <yongjun_wei@trendmicro.com.cn> | 2012-09-13 20:29:02 -0600 |
|---|---|---|
| committer | Chris Mason <chris.mason@fusionio.com> | 2012-10-04 09:39:55 -0400 |
| commit | ebb3dad4353b94c12a5cffab4397727c19f088e5 (patch) | |
| tree | c3477a839310b70548d63277e630e057b1e4a704 /fs/btrfs/free-space-cache.c | |
| parent | 1bcea35597693b3ac1ec1b311cfd42d52972a710 (diff) | |
| download | linux-ebb3dad4353b94c12a5cffab4397727c19f088e5.tar.bz2 | |
Btrfs: using for_each_set_bit_from to simplify the code
Using for_each_set_bit_from() to simplify the code.
spatch with a semantic match is used to found this.
(http://coccinelle.lip6.fr/)
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Diffstat (limited to 'fs/btrfs/free-space-cache.c')
| -rw-r--r-- | fs/btrfs/free-space-cache.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c index 6b10acfc2f5c..b107e68797f4 100644 --- a/fs/btrfs/free-space-cache.c +++ b/fs/btrfs/free-space-cache.c @@ -1454,9 +1454,7 @@ static int search_bitmap(struct btrfs_free_space_ctl *ctl, max_t(u64, *offset, bitmap_info->offset)); bits = bytes_to_bits(*bytes, ctl->unit); - for (i = find_next_bit(bitmap_info->bitmap, BITS_PER_BITMAP, i); - i < BITS_PER_BITMAP; - i = find_next_bit(bitmap_info->bitmap, BITS_PER_BITMAP, i + 1)) { + for_each_set_bit_from(i, bitmap_info->bitmap, BITS_PER_BITMAP) { next_zero = find_next_zero_bit(bitmap_info->bitmap, BITS_PER_BITMAP, i); if ((next_zero - i) >= bits) { @@ -2307,9 +2305,7 @@ static int btrfs_bitmap_cluster(struct btrfs_block_group_cache *block_group, again: found_bits = 0; - for (i = find_next_bit(entry->bitmap, BITS_PER_BITMAP, i); - i < BITS_PER_BITMAP; - i = find_next_bit(entry->bitmap, BITS_PER_BITMAP, i + 1)) { + for_each_set_bit_from(i, entry->bitmap, BITS_PER_BITMAP) { next_zero = find_next_zero_bit(entry->bitmap, BITS_PER_BITMAP, i); if (next_zero - i >= min_bits) { |