vfs_copy_file_range  568 fs/nfsd/vfs.c  	return vfs_copy_file_range(src, src_pos, dst, dst_pos, count, 0);
vfs_copy_file_range  577 fs/overlayfs/file.c 		ret = vfs_copy_file_range(real_in.file, pos_in,
vfs_copy_file_range 1688 fs/read_write.c EXPORT_SYMBOL(vfs_copy_file_range);
vfs_copy_file_range 1723 fs/read_write.c 	ret = vfs_copy_file_range(f_in.file, pos_in, f_out.file, pos_out, len,
vfs_copy_file_range 1921 include/linux/fs.h extern ssize_t vfs_copy_file_range(struct file *, loff_t , struct file *,