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authorArtem Bityutskiy <artem.bityutskiy@linux.intel.com>2011-12-23 17:30:16 +0200
committerDavid Woodhouse <David.Woodhouse@intel.com>2012-01-09 18:25:19 +0000
commit329ad399a9b3adf52c90637b21ca029fcf7f8795 (patch)
tree7aa7bb2609c25de7859c3a666f3ea90934609592 /fs
parent04c601bfa4cb29c968dcb66e44c799c9c01d8675 (diff)
downloadlinux-329ad399a9b3adf52c90637b21ca029fcf7f8795.tar.bz2
mtd: introduce mtd_read interface
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/jffs2/erase.c2
-rw-r--r--fs/jffs2/wbuf.c9
-rw-r--r--fs/logfs/dev_mtd.c2
3 files changed, 7 insertions, 6 deletions
diff --git a/fs/jffs2/erase.c b/fs/jffs2/erase.c
index ffdf4fca9c54..c59d642cade2 100644
--- a/fs/jffs2/erase.c
+++ b/fs/jffs2/erase.c
@@ -381,7 +381,7 @@ static int jffs2_block_check_erase(struct jffs2_sb_info *c, struct jffs2_erasebl
*bad_offset = ofs;
- ret = c->mtd->read(c->mtd, ofs, readlen, &retlen, ebuf);
+ ret = mtd_read(c->mtd, ofs, readlen, &retlen, ebuf);
if (ret) {
printk(KERN_WARNING "Read of newly-erased block at 0x%08x failed: %d. Putting on bad_list\n", ofs, ret);
ret = -EIO;
diff --git a/fs/jffs2/wbuf.c b/fs/jffs2/wbuf.c
index b09e51d2f81f..a24d3d21b63d 100644
--- a/fs/jffs2/wbuf.c
+++ b/fs/jffs2/wbuf.c
@@ -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)
diff --git a/fs/logfs/dev_mtd.c b/fs/logfs/dev_mtd.c
index 046362894352..3ee64351685f 100644
--- a/fs/logfs/dev_mtd.c
+++ b/fs/logfs/dev_mtd.c
@@ -20,7 +20,7 @@ static int logfs_mtd_read(struct super_block *sb, loff_t ofs, size_t len,
size_t retlen;
int ret;
- ret = mtd->read(mtd, ofs, len, &retlen, buf);
+ ret = mtd_read(mtd, ofs, len, &retlen, buf);
BUG_ON(ret == -EINVAL);
if (ret)
return ret;