Btrfs: fix wrong check for btrfs_force_chunk_alloc()

btrfs_force_chunk_alloc() return 1 for allocation chunk successfully.
This problem exists since commit c87f08ca4.

With this patch, we might fix some enospc problems for balances.

Signed-off-by: Wang Shilong <wangshilong1991@gmail.com>
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Tested-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Chris Mason <clm@fb.com>

diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index 827951fbf7fcb7dac026e48ded6e29f2f723adef..88cbb5995667951192b94c2627f759a771eda9e3 100644 (file)
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -4049,7 +4049,7 @@ restart:
        if (trans && progress && err == -ENOSPC) {
                ret = btrfs_force_chunk_alloc(trans, rc->extent_root,
                                              rc->block_group->flags);
-               if (ret == 0) {
+               if (ret == 1) {
                        err = 0;
                        progress = 0;
                        goto restart;