btrfs: move struct btrfs_tree_parent_check out of disk-io.h

Move struct btrfs_tree_parent_check out of disk-io.h so that volumes.h
an various .c files don't have to include disk-io.h just for it.

Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: David Sterba <dsterba@suse.com>
[ use tree-checker.h for the structure ]
Signed-off-by: David Sterba <dsterba@suse.com>

1 files changed, 1 insertions, 29 deletions

diff --git a/fs/btrfs/disk-io.h b/fs/btrfs/disk-io.h
index 03fe4154ffb8..363935cfc084 100644
--- a/fs/btrfs/disk-io.h
+++ b/fs/btrfs/disk-io.h
@@ -25,37 +25,9 @@ static inline u64 btrfs_sb_offset(int mirror)
 	return BTRFS_SUPER_INFO_OFFSET;
 }
 
-/* All the extra info needed to verify the parentness of a tree block. */
-struct btrfs_tree_parent_check {
-	/*
-	 * The owner check against the tree block.
-	 *
-	 * Can be 0 to skip the owner check.
-	 */
-	u64 owner_root;
-
-	/*
-	 * Expected transid, can be 0 to skip the check, but such skip
-	 * should only be utlized for backref walk related code.
-	 */
-	u64 transid;
-
-	/*
-	 * The expected first key.
-	 *
-	 * This check can be skipped if @has_first_key is false, such skip
-	 * can happen for case where we don't have the parent node key,
-	 * e.g. reading the tree root, doing backref walk.
-	 */
-	struct btrfs_key first_key;
-	bool has_first_key;
-
-	/* The expected level. Should always be set. */
-	u8 level;
-};
-
 struct btrfs_device;
 struct btrfs_fs_devices;
+struct btrfs_tree_parent_check;
 
 void btrfs_check_leaked_roots(struct btrfs_fs_info *fs_info);
 void btrfs_init_fs_info(struct btrfs_fs_info *fs_info);