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| author | Li Zefan <lizf@cn.fujitsu.com> | 2010-11-09 14:51:45 +0800 |
|---|---|---|
| committer | Li Zefan <lizf@cn.fujitsu.com> | 2011-01-27 01:04:41 +0800 |
| commit | 70b7da304f9f9bbf1566085155895e32e775a745 (patch) | |
| tree | 74c6de5ac85b7944292f2486b25946754d57989d /fs | |
| parent | edf6e2d1ddbac7f326b34a27adbca71ece53ccce (diff) | |
| download | linux-70b7da304f9f9bbf1566085155895e32e775a745.tar.bz2 | |
btrfs: Free fully occupied bitmap in cluster
If there's no more free space in a bitmap, we should free it.
Reviewed-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/btrfs/free-space-cache.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c index 850104f05178..cb0137e4047f 100644 --- a/fs/btrfs/free-space-cache.c +++ b/fs/btrfs/free-space-cache.c @@ -1788,6 +1788,8 @@ static u64 btrfs_alloc_from_bitmap(struct btrfs_block_group_cache *block_group, ret = search_start; bitmap_clear_bits(block_group, entry, ret, bytes); + if (entry->bytes == 0) + free_bitmap(block_group, entry); out: spin_unlock(&cluster->lock); spin_unlock(&block_group->tree_lock); |