btrfs: pass the owner_root and level to alloc_extent_buffer

Now that we've plumbed all of the callers to have the owner root and the
level, plumb it down into alloc_extent_buffer().

Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

1 files changed, 8 insertions, 4 deletions

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 973254b1f216..bd0d4d195d76 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -5180,7 +5180,7 @@ free_eb:
 #endif
 
 struct extent_buffer *alloc_extent_buffer(struct btrfs_fs_info *fs_info,
-					  u64 start)
+					  u64 start, u64 owner_root, int level)
 {
 	unsigned long len = fs_info->nodesize;
 	int num_pages;
@@ -6128,19 +6128,21 @@ int try_release_extent_buffer(struct page *page)
  * btrfs_readahead_tree_block - attempt to readahead a child block
  * @fs_info:	the fs_info
  * @bytenr:	bytenr to read
+ * @owner_root: objectid of the root that owns this eb
  * @gen:	generation for the uptodate check, can be 0
+ * @level:	level for the eb
  *
  * Attempt to readahead a tree block at @bytenr.  If @gen is 0 then we do a
  * normal uptodate check of the eb, without checking the generation.  If we have
  * to read the block we will not block on anything.
  */
 void btrfs_readahead_tree_block(struct btrfs_fs_info *fs_info,
-				u64 bytenr, u64 gen)
+				u64 bytenr, u64 owner_root, u64 gen, int level)
 {
 	struct extent_buffer *eb;
 	int ret;
 
-	eb = btrfs_find_create_tree_block(fs_info, bytenr);
+	eb = btrfs_find_create_tree_block(fs_info, bytenr, owner_root, level);
 	if (IS_ERR(eb))
 		return;
 
@@ -6168,5 +6170,7 @@ void btrfs_readahead_node_child(struct extent_buffer *node, int slot)
 {
 	btrfs_readahead_tree_block(node->fs_info,
 				   btrfs_node_blockptr(node, slot),
-				   btrfs_node_ptr_generation(node, slot));
+				   btrfs_header_owner(node),
+				   btrfs_node_ptr_generation(node, slot),
+				   btrfs_header_level(node) - 1);
 }