2 * JFFS2 -- Journalling Flash File System, Version 2.
4 * Copyright (C) 2001, 2002 Red Hat, Inc.
6 * Created by David Woodhouse <dwmw2@infradead.org>
8 * For licensing information, see the file 'LICENCE' in this directory.
10 * $Id: writev.c,v 1.6 2004/11/16 20:36:12 dwmw2 Exp $
14 #include <linux/kernel.h>
15 #include <linux/mtd/mtd.h>
18 /* This ought to be in core MTD code. All registered MTD devices
19 without writev should have this put in place. Bug the MTD
21 static inline int mtd_fake_writev(struct mtd_info *mtd, const struct kvec *vecs,
22 unsigned long count, loff_t to, size_t *retlen)
25 size_t totlen = 0, thislen;
28 for (i=0; i<count; i++) {
31 ret = mtd->write(mtd, to, vecs[i].iov_len, &thislen, vecs[i].iov_base);
33 if (ret || thislen != vecs[i].iov_len)
35 to += vecs[i].iov_len;
42 int jffs2_flash_direct_writev(struct jffs2_sb_info *c, const struct kvec *vecs,
43 unsigned long count, loff_t to, size_t *retlen)
46 return c->mtd->writev(c->mtd, vecs, count, to, retlen);
48 return mtd_fake_writev(c->mtd, vecs, count, to, retlen);