diff options
Diffstat (limited to 'fs')
-rw-r--r-- | fs/jffs2/writev.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/fs/jffs2/writev.c b/fs/jffs2/writev.c index a1bda9dab3f8..eec419719e1d 100644 --- a/fs/jffs2/writev.c +++ b/fs/jffs2/writev.c @@ -16,9 +16,18 @@ int jffs2_flash_direct_writev(struct jffs2_sb_info *c, const struct kvec *vecs, unsigned long count, loff_t to, size_t *retlen) { + int ret; + + ret = mtd_writev(c->mtd, vecs, count, to, retlen); + if (!jffs2_is_writebuffered(c)) { if (jffs2_sum_active()) { int res; + + if (ret || + *retlen != iov_length((struct iovec *) vecs, count)) + return ret; + res = jffs2_sum_add_kvec(c, vecs, count, (uint32_t) to); if (res) { return res; @@ -26,19 +35,23 @@ int jffs2_flash_direct_writev(struct jffs2_sb_info *c, const struct kvec *vecs, } } - return mtd_writev(c->mtd, vecs, count, to, retlen); + return ret; } 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; + if (ret || *retlen != len) + return ret; + vecs[0].iov_base = (unsigned char *) buf; vecs[0].iov_len = len; @@ -47,5 +60,6 @@ int jffs2_flash_direct_write(struct jffs2_sb_info *c, loff_t ofs, size_t len, return res; } } + return ret; } |