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Commit 70b7da30 authored by Li Zefan's avatar Li Zefan
Browse files

btrfs: Free fully occupied bitmap in cluster 



If there's no more free space in a bitmap, we should free it.

Reviewed-by: default avatarJosef Bacik <josef@redhat.com>
Signed-off-by: default avatarLi Zefan <lizf@cn.fujitsu.com>
parent edf6e2d1

fs/btrfs/free-space-cache.c

+2 −0
Original line number Diff line number Diff line
@@ -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);