X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=fs%2Fjffs2%2Fwritev.c;h=c638ae1008de74bc022ecf4cb5faf1ef8de0b692;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=80cd3820373f745b4515d3369cec0a2c83640b48;hpb=5273a3df6485dc2ad6aa7ddd441b9a21970f003b;p=linux-2.6.git diff --git a/fs/jffs2/writev.c b/fs/jffs2/writev.c index 80cd38203..c638ae100 100644 --- a/fs/jffs2/writev.c +++ b/fs/jffs2/writev.c @@ -3,11 +3,11 @@ * * Copyright (C) 2001, 2002 Red Hat, Inc. * - * Created by David Woodhouse + * Created by David Woodhouse * * For licensing information, see the file 'LICENCE' in this directory. * - * $Id: writev.c,v 1.4 2003/10/04 08:33:07 dwmw2 Exp $ + * $Id: writev.c,v 1.8 2005/09/09 15:11:58 havasi Exp $ * */ @@ -18,7 +18,7 @@ /* This ought to be in core MTD code. All registered MTD devices without writev should have this put in place. Bug the MTD maintainer */ -static inline int mtd_fake_writev(struct mtd_info *mtd, const struct iovec *vecs, +static inline int mtd_fake_writev(struct mtd_info *mtd, const struct kvec *vecs, unsigned long count, loff_t to, size_t *retlen) { unsigned long i; @@ -39,12 +39,43 @@ static inline int mtd_fake_writev(struct mtd_info *mtd, const struct iovec *vecs return ret; } -int jffs2_flash_direct_writev(struct jffs2_sb_info *c, const struct iovec *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; +}