btrfs-progs: Refactor read_tree_block to get rid of btrfs_root

The only reasom read_tree_block() needs a btrfs_root parameter is to get
its node/sector size.

And long ago, I have already introduced a compactible interface,
read_tree_block_fs_info() to pass btrfs_fs_info instead of btrfs_root.

Since we have cleaned up all root->sector/node/stripesize users, we
should be OK to refactor read_tree_block() function.

Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/ctree.c b/ctree.c
index 266a3cf2..09273818 100644
--- a/ctree.c
+++ b/ctree.c
@@ -649,7 +649,7 @@ struct extent_buffer *read_node_slot(struct btrfs_root *root,
 	if (level == 0)
 		return NULL;
 
-	return read_tree_block(root, btrfs_node_blockptr(parent, slot),
+	return read_tree_block(root->fs_info, btrfs_node_blockptr(parent, slot),
 		       root->fs_info->nodesize,
 		       btrfs_node_ptr_generation(parent, slot));
 }