root_gen         3515 fs/btrfs/free-space-cache.c 	u64 root_gen = btrfs_root_generation(&root->root_item);
root_gen         3535 fs/btrfs/free-space-cache.c 	if (root_gen != BTRFS_I(inode)->generation)
root_gen         2092 fs/btrfs/qgroup.c 			       u64 root_gen, int root_level)
root_gen         2107 fs/btrfs/qgroup.c 		ret = btrfs_read_buffer(root_eb, root_gen, root_level, NULL);
root_gen          329 fs/btrfs/qgroup.h 			       u64 root_gen, int root_level);