btrfs-progs: rename raid6.c to raid56.c

This allows us to put raid5 codes into that file other than creating a
new raid5.c.

Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/disk-io.h b/disk-io.h
index 1fc0bb74..8ab36aac 100644
--- a/disk-io.h
+++ b/disk-io.h
@@ -190,7 +190,7 @@ int write_tree_block(struct btrfs_trans_handle *trans,
 int write_and_map_eb(struct btrfs_trans_handle *trans, struct btrfs_root *root,
 		     struct extent_buffer *eb);
 
-/* raid6.c */
+/* raid56.c */
 void raid6_gen_syndrome(int disks, size_t bytes, void **ptrs);
 
 #endif