Commit 4958aa68 authored by David Sterba's avatar David Sterba
Browse files

btrfs: drop chunk locks at the end of close_ctree 



The pinned chunks might be left over so we clean them but at this point
of close_ctree, there's noone to race with, the locking can be removed.

Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent d3c0bab5

fs/btrfs/disk-io.c

+0 −2
Original line number Diff line number Diff line
@@ -3944,7 +3944,6 @@ void close_ctree(struct btrfs_fs_info *fs_info) 
	__btrfs_free_block_rsv(root->orphan_block_rsv);

	root->orphan_block_rsv = NULL;



	mutex_lock(&fs_info->chunk_mutex);

	while (!list_empty(&fs_info->pinned_chunks)) {

		struct extent_map *em;
@@ -3953,7 +3952,6 @@ void close_ctree(struct btrfs_fs_info *fs_info) 
		list_del_init(&em->list);

		free_extent_map(em);

	}

	mutex_unlock(&fs_info->chunk_mutex);

}



int btrfs_buffer_uptodate(struct extent_buffer *buf, u64 parent_transid,