generic_perform_write 1553 fs/ceph/file.c 		written = generic_perform_write(file, from, pos);
generic_perform_write  627 fs/nfs/file.c  		result = generic_perform_write(file, from, iocb->ki_pos);
generic_perform_write 3110 include/linux/fs.h extern ssize_t generic_perform_write(struct file *, struct iov_iter *, loff_t);
generic_perform_write 3325 mm/filemap.c   EXPORT_SYMBOL(generic_perform_write);
generic_perform_write 3381 mm/filemap.c   		status = generic_perform_write(file, from, pos = iocb->ki_pos);
generic_perform_write 3413 mm/filemap.c   		written = generic_perform_write(file, from, iocb->ki_pos);