Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
}
/**
- * btrfs_check_shared - tell us whether an extent is shared
+ * Check if an extent is shared or not
+ *
+ * @root: root inode belongs to
+ * @inum: inode number of the inode whose extent we are checking
+ * @bytenr: logical bytenr of the extent we are checking
+ * @roots: list of roots this extent is shared among
+ * @tmp: temporary list used for iteration
*
* btrfs_check_shared uses the backref walking code but will short
* circuit as soon as it finds a root or inode that doesn't match the