From c59021f846881a957ac5afe456d0f59d6a517b61 Mon Sep 17 00:00:00 2001 From: liubo Date: Mon, 7 Mar 2011 02:13:14 +0000 Subject: Btrfs: fix OOPS of empty filesystem after balance btrfs will remove unused block groups after balance. When a empty filesystem is balanced, the block group with tag "DATA" may be dropped, and after umount and mount again, it will not find "DATA" space_info and lead to OOPS. So we initial the necessary space_infos(DATA, SYSTEM, METADATA) to avoid OOPS. Reported-by: Daniel J Blueman Signed-off-by: Liu Bo Signed-off-by: Chris Mason --- fs/btrfs/ctree.h | 1 + 1 file changed, 1 insertion(+) (limited to 'fs/btrfs/ctree.h') diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 93a0191aded6..d47ce8307854 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -2234,6 +2234,7 @@ int btrfs_force_chunk_alloc(struct btrfs_trans_handle *trans, struct btrfs_root *root, u64 type); int btrfs_trim_fs(struct btrfs_root *root, struct fstrim_range *range); +int btrfs_init_space_info(struct btrfs_fs_info *fs_info); /* ctree.c */ int btrfs_bin_search(struct extent_buffer *eb, struct btrfs_key *key, int level, int *slot); -- cgit v1.2.3