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-rw-r--r--include/linux/mtd/mtd.h18
1 files changed, 12 insertions, 6 deletions
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index b58e5e8746ec..4129cb5c3de4 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -204,18 +204,14 @@ struct mtd_info {
204 size_t *retlen, u_char *buf); 204 size_t *retlen, u_char *buf);
205 int (*lock_user_prot_reg) (struct mtd_info *mtd, loff_t from, 205 int (*lock_user_prot_reg) (struct mtd_info *mtd, loff_t from,
206 size_t len); 206 size_t len);
207 int (*writev) (struct mtd_info *mtd, const struct kvec *vecs,
208 unsigned long count, loff_t to, size_t *retlen);
207 209
208 /* Backing device capabilities for this device 210 /* Backing device capabilities for this device
209 * - provides mmap capabilities 211 * - provides mmap capabilities
210 */ 212 */
211 struct backing_dev_info *backing_dev_info; 213 struct backing_dev_info *backing_dev_info;
212 214
213 /* kvec-based read/write methods.
214 NB: The 'count' parameter is the number of _vectors_, each of
215 which contains an (ofs, len) tuple.
216 */
217 int (*writev) (struct mtd_info *mtd, const struct kvec *vecs, unsigned long count, loff_t to, size_t *retlen);
218
219 /* Sync */ 215 /* Sync */
220 void (*sync) (struct mtd_info *mtd); 216 void (*sync) (struct mtd_info *mtd);
221 217
@@ -375,6 +371,16 @@ static inline int mtd_lock_user_prot_reg(struct mtd_info *mtd, loff_t from,
375 return mtd->lock_user_prot_reg(mtd, from, len); 371 return mtd->lock_user_prot_reg(mtd, from, len);
376} 372}
377 373
374/*
375 * kvec-based read/write method. NB: The 'count' parameter is the number of
376 * _vectors_, each of which contains an (ofs, len) tuple.
377 */
378static inline int mtd_writev(struct mtd_info *mtd, const struct kvec *vecs,
379 unsigned long count, loff_t to, size_t *retlen)
380{
381 return mtd->writev(mtd, vecs, count, to, retlen);
382}
383
378static inline struct mtd_info *dev_to_mtd(struct device *dev) 384static inline struct mtd_info *dev_to_mtd(struct device *dev)
379{ 385{
380 return dev ? dev_get_drvdata(dev) : NULL; 386 return dev ? dev_get_drvdata(dev) : NULL;