mtd: introduce mtd_writev interface
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index b58e5e8..4129cb5 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -204,18 +204,14 @@
size_t *retlen, u_char *buf);
int (*lock_user_prot_reg) (struct mtd_info *mtd, loff_t from,
size_t len);
+ int (*writev) (struct mtd_info *mtd, const struct kvec *vecs,
+ unsigned long count, loff_t to, size_t *retlen);
/* Backing device capabilities for this device
* - provides mmap capabilities
*/
struct backing_dev_info *backing_dev_info;
- /* kvec-based read/write methods.
- NB: The 'count' parameter is the number of _vectors_, each of
- which contains an (ofs, len) tuple.
- */
- int (*writev) (struct mtd_info *mtd, const struct kvec *vecs, unsigned long count, loff_t to, size_t *retlen);
-
/* Sync */
void (*sync) (struct mtd_info *mtd);
@@ -375,6 +371,16 @@
return mtd->lock_user_prot_reg(mtd, from, len);
}
+/*
+ * kvec-based read/write method. NB: The 'count' parameter is the number of
+ * _vectors_, each of which contains an (ofs, len) tuple.
+ */
+static inline int mtd_writev(struct mtd_info *mtd, const struct kvec *vecs,
+ unsigned long count, loff_t to, size_t *retlen)
+{
+ return mtd->writev(mtd, vecs, count, to, retlen);
+}
+
static inline struct mtd_info *dev_to_mtd(struct device *dev)
{
return dev ? dev_get_drvdata(dev) : NULL;