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mtd: introduce mtd_read interface

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Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Artem Bityutskiy
2011-12-23 17:30:16 +02:00
committed by David Woodhouse
parent 04c601bfa4
commit 329ad399a9
35 changed files with 152 additions and 135 deletions
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9
fs/jffs2/wbuf.c
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@@ -228,7 +228,7 @@ static int jffs2_verify_write(struct jffs2_sb_info *c, unsigned char *buf,
size_t retlen;
char *eccstr;
ret = c->mtd->read(c->mtd, ofs, c->wbuf_pagesize, &retlen, c->wbuf_verify);
ret = mtd_read(c->mtd, ofs, c->wbuf_pagesize, &retlen, c->wbuf_verify);
if (ret && ret != -EUCLEAN && ret != -EBADMSG) {
printk(KERN_WARNING "jffs2_verify_write(): Read back of page at %08x failed: %d\n", c->wbuf_ofs, ret);
return ret;
@@ -337,7 +337,8 @@ static void jffs2_wbuf_recover(struct jffs2_sb_info *c)
}
/* Do the read... */
ret = c->mtd->read(c->mtd, start, c->wbuf_ofs - start, &retlen, buf);
ret = mtd_read(c->mtd, start, c->wbuf_ofs - start, &retlen,
buf);
/* ECC recovered ? */
if ((ret == -EUCLEAN || ret == -EBADMSG) &&
@@ -948,11 +949,11 @@ int jffs2_flash_read(struct jffs2_sb_info *c, loff_t ofs, size_t len, size_t *re
int ret;
if (!jffs2_is_writebuffered(c))
return c->mtd->read(c->mtd, ofs, len, retlen, buf);
return mtd_read(c->mtd, ofs, len, retlen, buf);
/* Read flash */
down_read(&c->wbuf_sem);
ret = c->mtd->read(c->mtd, ofs, len, retlen, buf);
ret = mtd_read(c->mtd, ofs, len, retlen, buf);
if ( (ret == -EBADMSG || ret == -EUCLEAN) && (*retlen == len) ) {
if (ret == -EBADMSG)