/* * JFFS2 -- Journalling Flash File System, Version 2. * * Copyright © 2001-2007 Red Hat, Inc. * * Created by David Woodhouse <dwmw2@infradead.org> * * For licensing information, see the file 'LICENCE' in this directory. * */ #include <linux/kernel.h> #include <linux/mtd/mtd.h> #include "nodelist.h" int jffs2_flash_direct_writev(struct jffs2_sb_info *c, const struct kvec *vecs, unsigned long count, loff_t to, size_t *retlen) { if (!jffs2_is_writebuffered(c)) { if (jffs2_sum_active()) { int res; res = jffs2_sum_add_kvec(c, vecs, count, (uint32_t) to); if (res) { return res; } } } return mtd_writev(c->mtd, vecs, count, to, retlen); } int jffs2_flash_direct_write(struct jffs2_sb_info *c, loff_t ofs, size_t len, size_t *retlen, const u_char *buf) { int ret; ret = mtd_write(c->mtd, ofs, len, retlen, buf); if (jffs2_sum_active()) { struct kvec vecs[1]; int res; vecs[0].iov_base = (unsigned char *) buf; vecs[0].iov_len = len; res = jffs2_sum_add_kvec(c, vecs, 1, (uint32_t) ofs); if (res) { return res; } } return ret; }