X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=fs%2Fjffs2%2Fwritev.c;h=b9276b11bac69a8ce08666ccf6e28539e2bf2322;hb=6924d1ab8b7bbe5ab416713f5701b3316b2df85b;hp=f079f83885663386703666df657a7466264ed5ff;hpb=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2;p=linux-2.6

diff --git a/fs/jffs2/writev.c b/fs/jffs2/writev.c
index f079f83885..b9276b11ba 100644
--- a/fs/jffs2/writev.c
+++ b/fs/jffs2/writev.c
@@ -1,14 +1,12 @@
 /*
  * JFFS2 -- Journalling Flash File System, Version 2.
  *
- * Copyright (C) 2001, 2002 Red Hat, Inc.
+ * Copyright © 2001-2007 Red Hat, Inc.
  *
  * Created by David Woodhouse <dwmw2@infradead.org>
  *
  * For licensing information, see the file 'LICENCE' in this directory.
  *
- * $Id: writev.c,v 1.6 2004/11/16 20:36:12 dwmw2 Exp $
- *
  */
 
 #include <linux/kernel.h>
@@ -42,9 +40,40 @@ static inline int mtd_fake_writev(struct mtd_info *mtd, const struct kvec *vecs,
 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;
+			}
+		}
+	}
+
 	if (c->mtd->writev)
 		return c->mtd->writev(c->mtd, vecs, count, to, retlen);
-	else
+	else {
 		return mtd_fake_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 = c->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;
+}