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Btrfs: Avoid recursive chunk allocations
[linux-2.6-block.git]
/
fs
/
btrfs
/
extent-tree.c
diff --git
a/fs/btrfs/extent-tree.c
b/fs/btrfs/extent-tree.c
index 6540095544e843eccbf29c69f219e0557163557d..a589912fdd51aaa2d6ea727352196d02fbf2b53f 100644
(file)
--- a/
fs/btrfs/extent-tree.c
+++ b/
fs/btrfs/extent-tree.c
@@
-1727,7
+1727,7
@@
int btrfs_alloc_extent(struct btrfs_trans_handle *trans,
data = BTRFS_BLOCK_GROUP_METADATA | alloc_profile;
}
again:
- if (root
!= root->fs_info->extent_root
) {
+ if (root
->ref_cows
) {
if (!(data & BTRFS_BLOCK_GROUP_METADATA)) {
ret = do_chunk_alloc(trans, root->fs_info->extent_root,
2 * 1024 * 1024,