Files
SDK_SG200x_V2/linux_5.10/fs/jffs2/writev.c
carbon 0545e9dc6d init version 2024-05-07
commit d1edce71135cc6d98c0a4b5729774542b676e769
Author: sophgo-forum-service <forum_service@sophgo.com>
Date:   Fri Mar 15 16:07:33 2024 +0800

    [fix] recommend using ssh method to clone repo.
    [fix] fix sensor driver repo branch name.
2024-05-07 19:36:36 +08:00

52 lines
1.1 KiB
C

/*
* 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;
}