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-rw-r--r--fs/jffs2/writev.c35
1 files changed, 33 insertions, 2 deletions
diff --git a/fs/jffs2/writev.c b/fs/jffs2/writev.c
index f079f838856..c638ae1008d 100644
--- a/fs/jffs2/writev.c
+++ b/fs/jffs2/writev.c
@@ -7,7 +7,7 @@
*
* For licensing information, see the file 'LICENCE' in this directory.
*
- * $Id: writev.c,v 1.6 2004/11/16 20:36:12 dwmw2 Exp $
+ * $Id: writev.c,v 1.8 2005/09/09 15:11:58 havasi Exp $
*
*/
@@ -42,9 +42,40 @@ 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;
+}