X-Git-Url: http://git.cascardo.eti.br/?a=blobdiff_plain;f=fs%2Fbtrfs%2Fextent-tree.c;h=d5d3cfb1f66fdaca1ca981fe2453e20b434c4636;hb=28b737f6ede3661fe610937706c4a6f50e9ab769;hp=133c93b0a0f1d671e303a766e91135c744b8eeee;hpb=9e7cc91a6d18a4973c6d2cc104871439c9e94f3d;p=cascardo%2Flinux.git

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 133c93b0a0f1..d5d3cfb1f66f 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -4457,6 +4457,15 @@ void check_system_chunk(struct btrfs_trans_handle *trans,
 	}
 }
 
+/*
+ * If force is CHUNK_ALLOC_FORCE:
+ *    - return 1 if it successfully allocates a chunk,
+ *    - return errors including -ENOSPC otherwise.
+ * If force is NOT CHUNK_ALLOC_FORCE:
+ *    - return 0 if it doesn't need to allocate a new chunk,
+ *    - return 1 if it successfully allocates a chunk,
+ *    - return errors including -ENOSPC otherwise.
+ */
 static int do_chunk_alloc(struct btrfs_trans_handle *trans,
 			  struct btrfs_root *extent_root, u64 flags, int force)
 {