diff options
Diffstat (limited to 'fs/jffs2/writev.c')
| -rw-r--r-- | fs/jffs2/writev.c | 35 |
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; +} |