mtd: introduce mtd_write interface

Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

17 files changed, 58 insertions, 57 deletions

diff --git a/drivers/mtd/chips/cfi_cmdset_0020.c b/drivers/mtd/chips/cfi_cmdset_0020.c
index 666c52f8bf8d..85e80180b65b 100644
--- a/drivers/mtd/chips/cfi_cmdset_0020.c
+++ b/drivers/mtd/chips/cfi_cmdset_0020.c
@@ -699,7 +699,8 @@ cfi_staa_writev(struct mtd_info *mtd, const struct kvec *vecs,
                                 continue;
                         }
                         memcpy(buffer+buflen, elem_base, ECCBUF_SIZE-buflen);
-                        ret = mtd->write(mtd, to, ECCBUF_SIZE, &thislen, buffer);
+                        ret = mtd_write(mtd, to, ECCBUF_SIZE, &thislen,
+                                        buffer);
                         totlen += thislen;
                         if (ret || thislen != ECCBUF_SIZE)
                                 goto write_error;
@@ -708,7 +709,8 @@ cfi_staa_writev(struct mtd_info *mtd, const struct kvec *vecs,
                         to += ECCBUF_SIZE;
                 }
                 if (ECCBUF_DIV(elem_len)) { /* write clean aligned data */
-                        ret = mtd->write(mtd, to, ECCBUF_DIV(elem_len), &thislen, elem_base);
+                        ret = mtd_write(mtd, to, ECCBUF_DIV(elem_len),
+                                        &thislen, elem_base);
                         totlen += thislen;
                         if (ret || thislen != ECCBUF_DIV(elem_len))
                                 goto write_error;
@@ -722,7 +724,7 @@ cfi_staa_writev(struct mtd_info *mtd, const struct kvec *vecs,
         }
         if (buflen) { /* flush last page, even if not full */
                 /* This is sometimes intended behaviour, really */
-                ret = mtd->write(mtd, to, buflen, &thislen, buffer);
+                ret = mtd_write(mtd, to, buflen, &thislen, buffer);
                 totlen += thislen;
                 if (ret || thislen != ECCBUF_SIZE)
                         goto write_error;
diff --git a/drivers/mtd/ftl.c b/drivers/mtd/ftl.c
index 12fd7ebd3fd8..d591b1d0a6c1 100644
--- a/drivers/mtd/ftl.c
+++ b/drivers/mtd/ftl.c
@@ -422,8 +422,8 @@ static int prepare_xfer(partition_t *part, int i)
     header.LogicalEUN = cpu_to_le16(0xffff);
     header.EraseCount = cpu_to_le32(xfer->EraseCount);
 
-    ret = part->mbd.mtd->write(part->mbd.mtd, xfer->Offset, sizeof(header),
-                           &retlen, (u_char *)&header);
+    ret = mtd_write(part->mbd.mtd, xfer->Offset, sizeof(header), &retlen,
+                    (u_char *)&header);
 
     if (ret) {
         return ret;
@@ -438,8 +438,8 @@ static int prepare_xfer(partition_t *part, int i)
 
     for (i = 0; i < nbam; i++, offset += sizeof(uint32_t)) {
 
-        ret = part->mbd.mtd->write(part->mbd.mtd, offset, sizeof(uint32_t),
-                               &retlen, (u_char *)&ctl);
+        ret = mtd_write(part->mbd.mtd, offset, sizeof(uint32_t), &retlen,
+                        (u_char *)&ctl);
 
         if (ret)
             return ret;
@@ -503,8 +503,8 @@ static int copy_erase_unit(partition_t *part, uint16_t srcunit,
     offset = xfer->Offset + 20; /* Bad! */
     unit = cpu_to_le16(0x7fff);
 
-    ret = part->mbd.mtd->write(part->mbd.mtd, offset, sizeof(uint16_t),
-                           &retlen, (u_char *) &unit);
+    ret = mtd_write(part->mbd.mtd, offset, sizeof(uint16_t), &retlen,
+                    (u_char *)&unit);
 
     if (ret) {
         printk( KERN_WARNING "ftl: Failed to write back to BAM cache in copy_erase_unit()!\n");
@@ -531,8 +531,8 @@ static int copy_erase_unit(partition_t *part, uint16_t srcunit,
             }
 
 
-            ret = part->mbd.mtd->write(part->mbd.mtd, dest, SECTOR_SIZE,
-                        &retlen, (u_char *) buf);
+            ret = mtd_write(part->mbd.mtd, dest, SECTOR_SIZE, &retlen,
+                            (u_char *)buf);
             if (ret)  {
                 printk(KERN_WARNING "ftl: Error writing new xfer unit in copy_erase_unit\n");
                 return ret;
@@ -550,9 +550,11 @@ static int copy_erase_unit(partition_t *part, uint16_t srcunit,
     }
 
     /* Write the BAM to the transfer unit */
-    ret = part->mbd.mtd->write(part->mbd.mtd, xfer->Offset + le32_to_cpu(part->header.BAMOffset),
-                    part->BlocksPerUnit * sizeof(int32_t), &retlen,
-                    (u_char *)part->bam_cache);
+    ret = mtd_write(part->mbd.mtd,
+                    xfer->Offset + le32_to_cpu(part->header.BAMOffset),
+                    part->BlocksPerUnit * sizeof(int32_t),
+                    &retlen,
+                    (u_char *)part->bam_cache);
     if (ret) {
         printk( KERN_WARNING "ftl: Error writing BAM in copy_erase_unit\n");
         return ret;
@@ -560,8 +562,8 @@ static int copy_erase_unit(partition_t *part, uint16_t srcunit,
 
 
     /* All clear? Then update the LogicalEUN again */
-    ret = part->mbd.mtd->write(part->mbd.mtd, xfer->Offset + 20, sizeof(uint16_t),
-                           &retlen, (u_char *)&srcunitswap);
+    ret = mtd_write(part->mbd.mtd, xfer->Offset + 20, sizeof(uint16_t),
+                    &retlen, (u_char *)&srcunitswap);
 
     if (ret) {
         printk(KERN_WARNING "ftl: Error writing new LogicalEUN in copy_erase_unit\n");
@@ -887,8 +889,8 @@ static int set_bam_entry(partition_t *part, uint32_t log_addr,
 #endif
         part->bam_cache[blk] = le_virt_addr;
     }
-    ret = part->mbd.mtd->write(part->mbd.mtd, offset, sizeof(uint32_t),
-                            &retlen, (u_char *)&le_virt_addr);
+    ret = mtd_write(part->mbd.mtd, offset, sizeof(uint32_t), &retlen,
+                    (u_char *)&le_virt_addr);
 
     if (ret) {
         printk(KERN_NOTICE "ftl_cs: set_bam_entry() failed!\n");
@@ -947,8 +949,7 @@ static int ftl_write(partition_t *part, caddr_t buffer,
         part->EUNInfo[part->bam_index].Deleted++;
         offset = (part->EUNInfo[part->bam_index].Offset +
                       blk * SECTOR_SIZE);
-        ret = part->mbd.mtd->write(part->mbd.mtd, offset, SECTOR_SIZE, &retlen,
-                                     buffer);
+        ret = mtd_write(part->mbd.mtd, offset, SECTOR_SIZE, &retlen, buffer);
 
         if (ret) {
             printk(KERN_NOTICE "ftl_cs: block write failed!\n");
diff --git a/drivers/mtd/mtdblock.c b/drivers/mtd/mtdblock.c
index b0644d2d2a6e..ac7f1f1faa2d 100644
--- a/drivers/mtd/mtdblock.c
+++ b/drivers/mtd/mtdblock.c
@@ -102,7 +102,7 @@ static int erase_write (struct mtd_info *mtd, unsigned long pos,
          * Next, write the data to flash.
          */
 
-        ret = mtd->write(mtd, pos, len, &retlen, buf);
+        ret = mtd_write(mtd, pos, len, &retlen, buf);
         if (ret)
                 return ret;
         if (retlen != len)
@@ -152,7 +152,7 @@ static int do_cached_write (struct mtdblk_dev *mtdblk, unsigned long pos,
                 mtd->name, pos, len);
 
         if (!sect_size)
-                return mtd->write(mtd, pos, len, &retlen, buf);
+                return mtd_write(mtd, pos, len, &retlen, buf);
 
         while (len > 0) {
                 unsigned long sect_start = (pos/sect_size)*sect_size;
diff --git a/drivers/mtd/mtdblock_ro.c b/drivers/mtd/mtdblock_ro.c
index f5737b1153fa..92759a9d2985 100644
--- a/drivers/mtd/mtdblock_ro.c
+++ b/drivers/mtd/mtdblock_ro.c
@@ -40,7 +40,7 @@ static int mtdblock_writesect(struct mtd_blktrans_dev *dev,
 {
         size_t retlen;
 
-        if (dev->mtd->write(dev->mtd, (block * 512), 512, &retlen, buf))
+        if (mtd_write(dev->mtd, (block * 512), 512, &retlen, buf))
                 return 1;
         return 0;
 }
diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c
index c7f484687fa3..922da31d2c6b 100644
--- a/drivers/mtd/mtdchar.c
+++ b/drivers/mtd/mtdchar.c
@@ -331,7 +331,7 @@ static ssize_t mtdchar_write(struct file *file, const char __user *buf, size_t c
                 }
 
                 default:
-                        ret = (*(mtd->write))(mtd, *ppos, len, &retlen, kbuf);
+                        ret = mtd_write(mtd, *ppos, len, &retlen, kbuf);
                 }
                 if (!ret) {
                         *ppos += retlen;
diff --git a/drivers/mtd/mtdconcat.c b/drivers/mtd/mtdconcat.c
index 45460349fd12..45215501c4c7 100644
--- a/drivers/mtd/mtdconcat.c
+++ b/drivers/mtd/mtdconcat.c
@@ -148,7 +148,7 @@ concat_write(struct mtd_info *mtd, loff_t to, size_t len,
                 if (!(subdev->flags & MTD_WRITEABLE))
                         err = -EROFS;
                 else
-                        err = subdev->write(subdev, to, size, &retsize, buf);
+                        err = mtd_write(subdev, to, size, &retsize, buf);
 
                 if (err)
                         break;
diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index b01993ea260e..e36191ab47c3 100644
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -699,7 +699,8 @@ int default_mtd_writev(struct mtd_info *mtd, const struct kvec *vecs,
                 for (i=0; i<count; i++) {
                         if (!vecs[i].iov_len)
                                 continue;
-                        ret = mtd->write(mtd, to, vecs[i].iov_len, &thislen, vecs[i].iov_base);
+                        ret = mtd_write(mtd, to, vecs[i].iov_len, &thislen,
+                                        vecs[i].iov_base);
                         totlen += thislen;
                         if (ret || thislen != vecs[i].iov_len)
                                 break;
diff --git a/drivers/mtd/mtdoops.c b/drivers/mtd/mtdoops.c
index 23629ad08507..9c9d58617c98 100644
--- a/drivers/mtd/mtdoops.c
+++ b/drivers/mtd/mtdoops.c
@@ -225,8 +225,8 @@ static void mtdoops_write(struct mtdoops_context *cxt, int panic)
                 ret = mtd->panic_write(mtd, cxt->nextpage * record_size,
                                         record_size, &retlen, cxt->oops_buf);
         else
-                ret = mtd->write(mtd, cxt->nextpage * record_size,
-                                        record_size, &retlen, cxt->oops_buf);
+                ret = mtd_write(mtd, cxt->nextpage * record_size,
+                                record_size, &retlen, cxt->oops_buf);
 
         if (retlen != record_size || ret < 0)
                 printk(KERN_ERR "mtdoops: write failure at %ld (%td of %ld written), error %d\n",
diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c
index 59cd7974bc50..96574a036567 100644
--- a/drivers/mtd/mtdpart.c
+++ b/drivers/mtd/mtdpart.c
@@ -188,8 +188,7 @@ static int part_write(struct mtd_info *mtd, loff_t to, size_t len,
                 len = 0;
         else if (to + len > mtd->size)
                 len = mtd->size - to;
-        return part->master->write(part->master, to + part->offset,
-                                    len, retlen, buf);
+        return mtd_write(part->master, to + part->offset, len, retlen, buf);
 }
 
 static int part_panic_write(struct mtd_info *mtd, loff_t to, size_t len,
diff --git a/drivers/mtd/mtdswap.c b/drivers/mtd/mtdswap.c
index b3282d2aa8f8..6ff823e29c0c 100644
--- a/drivers/mtd/mtdswap.c
+++ b/drivers/mtd/mtdswap.c
@@ -689,7 +689,7 @@ retry:
                 return ret;
 
         writepos = (loff_t)*bp << PAGE_SHIFT;
-        ret =  mtd->write(mtd, writepos, PAGE_SIZE, &retlen, buf);
+        ret =  mtd_write(mtd, writepos, PAGE_SIZE, &retlen, buf);
         if (ret == -EIO || mtd_is_eccerr(ret)) {
                 d->curr_write_pos--;
                 eb->active_count--;
diff --git a/drivers/mtd/rfd_ftl.c b/drivers/mtd/rfd_ftl.c
index d9fe2d0533d9..c594bb7abfa3 100644
--- a/drivers/mtd/rfd_ftl.c
+++ b/drivers/mtd/rfd_ftl.c
@@ -304,9 +304,8 @@ static void erase_callback(struct erase_info *erase)
         part->blocks[i].used_sectors = 0;
         part->blocks[i].erases++;
 
-        rc = part->mbd.mtd->write(part->mbd.mtd,
-                part->blocks[i].offset, sizeof(magic), &retlen,
-                (u_char*)&magic);
+        rc = mtd_write(part->mbd.mtd, part->blocks[i].offset, sizeof(magic),
+                       &retlen, (u_char *)&magic);
 
         if (!rc && retlen != sizeof(magic))
                 rc = -EIO;
@@ -595,8 +594,8 @@ static int mark_sector_deleted(struct partition *part, u_long old_addr)
 
         addr = part->blocks[block].offset +
                         (HEADER_MAP_OFFSET + offset) * sizeof(u16);
-        rc = part->mbd.mtd->write(part->mbd.mtd, addr,
-                sizeof(del), &retlen, (u_char*)&del);
+        rc = mtd_write(part->mbd.mtd, addr, sizeof(del), &retlen,
+                       (u_char *)&del);
 
         if (!rc && retlen != sizeof(del))
                 rc = -EIO;
@@ -668,8 +667,8 @@ static int do_writesect(struct mtd_blktrans_dev *dev, u_long sector, char *buf,
 
         addr = (i + part->header_sectors_per_block) * SECTOR_SIZE +
                 block->offset;
-        rc = part->mbd.mtd->write(part->mbd.mtd,
-                addr, SECTOR_SIZE, &retlen, (u_char*)buf);
+        rc = mtd_write(part->mbd.mtd, addr, SECTOR_SIZE, &retlen,
+                       (u_char *)buf);
 
         if (!rc && retlen != SECTOR_SIZE)
                 rc = -EIO;
@@ -688,8 +687,8 @@ static int do_writesect(struct mtd_blktrans_dev *dev, u_long sector, char *buf,
         part->header_cache[i + HEADER_MAP_OFFSET] = entry;
 
         addr = block->offset + (HEADER_MAP_OFFSET + i) * sizeof(u16);
-        rc = part->mbd.mtd->write(part->mbd.mtd, addr,
-                        sizeof(entry), &retlen, (u_char*)&entry);
+        rc = mtd_write(part->mbd.mtd, addr, sizeof(entry), &retlen,
+                       (u_char *)&entry);
 
         if (!rc && retlen != sizeof(entry))
                 rc = -EIO;
diff --git a/drivers/mtd/tests/mtd_pagetest.c b/drivers/mtd/tests/mtd_pagetest.c
index 6d62e24a03ed..83da97e54f97 100644
--- a/drivers/mtd/tests/mtd_pagetest.c
+++ b/drivers/mtd/tests/mtd_pagetest.c
@@ -100,7 +100,7 @@ static int write_eraseblock(int ebnum)
 
         set_random_data(writebuf, mtd->erasesize);
         cond_resched();
-        err = mtd->write(mtd, addr, mtd->erasesize, &written, writebuf);
+        err = mtd_write(mtd, addr, mtd->erasesize, &written, writebuf);
         if (err || written != mtd->erasesize)
                 printk(PRINT_PREF "error: write failed at %#llx\n",
                        (long long)addr);
@@ -335,7 +335,7 @@ static int erasecrosstest(void)
         printk(PRINT_PREF "writing 1st page of block %d\n", ebnum);
         set_random_data(writebuf, pgsize);
         strcpy(writebuf, "There is no data like this!");
-        err = mtd->write(mtd, addr0, pgsize, &written, writebuf);
+        err = mtd_write(mtd, addr0, pgsize, &written, writebuf);
         if (err || written != pgsize) {
                 printk(PRINT_PREF "error: write failed at %#llx\n",
                        (long long)addr0);
@@ -368,7 +368,7 @@ static int erasecrosstest(void)
         printk(PRINT_PREF "writing 1st page of block %d\n", ebnum);
         set_random_data(writebuf, pgsize);
         strcpy(writebuf, "There is no data like this!");
-        err = mtd->write(mtd, addr0, pgsize, &written, writebuf);
+        err = mtd_write(mtd, addr0, pgsize, &written, writebuf);
         if (err || written != pgsize) {
                 printk(PRINT_PREF "error: write failed at %#llx\n",
                        (long long)addr0);
@@ -425,7 +425,7 @@ static int erasetest(void)
 
         printk(PRINT_PREF "writing 1st page of block %d\n", ebnum);
         set_random_data(writebuf, pgsize);
-        err = mtd->write(mtd, addr0, pgsize, &written, writebuf);
+        err = mtd_write(mtd, addr0, pgsize, &written, writebuf);
         if (err || written != pgsize) {
                 printk(PRINT_PREF "error: write failed at %#llx\n",
                        (long long)addr0);
diff --git a/drivers/mtd/tests/mtd_speedtest.c b/drivers/mtd/tests/mtd_speedtest.c
index 3c9529bd0a62..c7b18e189082 100644
--- a/drivers/mtd/tests/mtd_speedtest.c
+++ b/drivers/mtd/tests/mtd_speedtest.c
@@ -143,7 +143,7 @@ static int write_eraseblock(int ebnum)
         int err = 0;
         loff_t addr = ebnum * mtd->erasesize;
 
-        err = mtd->write(mtd, addr, mtd->erasesize, &written, iobuf);
+        err = mtd_write(mtd, addr, mtd->erasesize, &written, iobuf);
         if (err || written != mtd->erasesize) {
                 printk(PRINT_PREF "error: write failed at %#llx\n", addr);
                 if (!err)
@@ -161,7 +161,7 @@ static int write_eraseblock_by_page(int ebnum)
         void *buf = iobuf;
 
         for (i = 0; i < pgcnt; i++) {
-                err = mtd->write(mtd, addr, pgsize, &written, buf);
+                err = mtd_write(mtd, addr, pgsize, &written, buf);
                 if (err || written != pgsize) {
                         printk(PRINT_PREF "error: write failed at %#llx\n",
                                addr);
@@ -184,7 +184,7 @@ static int write_eraseblock_by_2pages(int ebnum)
         void *buf = iobuf;
 
         for (i = 0; i < n; i++) {
-                err = mtd->write(mtd, addr, sz, &written, buf);
+                err = mtd_write(mtd, addr, sz, &written, buf);
                 if (err || written != sz) {
                         printk(PRINT_PREF "error: write failed at %#llx\n",
                                addr);
@@ -196,7 +196,7 @@ static int write_eraseblock_by_2pages(int ebnum)
                 buf += sz;
         }
         if (pgcnt % 2) {
-                err = mtd->write(mtd, addr, pgsize, &written, buf);
+                err = mtd_write(mtd, addr, pgsize, &written, buf);
                 if (err || written != pgsize) {
                         printk(PRINT_PREF "error: write failed at %#llx\n",
                                addr);
diff --git a/drivers/mtd/tests/mtd_stresstest.c b/drivers/mtd/tests/mtd_stresstest.c
index 83a843723880..f8aac4b7e59a 100644
--- a/drivers/mtd/tests/mtd_stresstest.c
+++ b/drivers/mtd/tests/mtd_stresstest.c
@@ -192,7 +192,7 @@ static int do_write(void)
                 }
         }
         addr = eb * mtd->erasesize + offs;
-        err = mtd->write(mtd, addr, len, &written, writebuf);
+        err = mtd_write(mtd, addr, len, &written, writebuf);
         if (unlikely(err || written != len)) {
                 printk(PRINT_PREF "error: write failed at 0x%llx\n",
                        (long long)addr);
diff --git a/drivers/mtd/tests/mtd_subpagetest.c b/drivers/mtd/tests/mtd_subpagetest.c
index d81f89a19daa..b90c01036b49 100644
--- a/drivers/mtd/tests/mtd_subpagetest.c
+++ b/drivers/mtd/tests/mtd_subpagetest.c
@@ -120,7 +120,7 @@ static int write_eraseblock(int ebnum)
         loff_t addr = ebnum * mtd->erasesize;
 
         set_random_data(writebuf, subpgsize);
-        err = mtd->write(mtd, addr, subpgsize, &written, writebuf);
+        err = mtd_write(mtd, addr, subpgsize, &written, writebuf);
         if (unlikely(err || written != subpgsize)) {
                 printk(PRINT_PREF "error: write failed at %#llx\n",
                        (long long)addr);
@@ -134,7 +134,7 @@ static int write_eraseblock(int ebnum)
         addr += subpgsize;
 
         set_random_data(writebuf, subpgsize);
-        err = mtd->write(mtd, addr, subpgsize, &written, writebuf);
+        err = mtd_write(mtd, addr, subpgsize, &written, writebuf);
         if (unlikely(err || written != subpgsize)) {
                 printk(PRINT_PREF "error: write failed at %#llx\n",
                        (long long)addr);
@@ -158,7 +158,7 @@ static int write_eraseblock2(int ebnum)
                 if (addr + (subpgsize * k) > (ebnum + 1) * mtd->erasesize)
                         break;
                 set_random_data(writebuf, subpgsize * k);
-                err = mtd->write(mtd, addr, subpgsize * k, &written, writebuf);
+                err = mtd_write(mtd, addr, subpgsize * k, &written, writebuf);
                 if (unlikely(err || written != subpgsize * k)) {
                         printk(PRINT_PREF "error: write failed at %#llx\n",
                                (long long)addr);
diff --git a/drivers/mtd/tests/mtd_torturetest.c b/drivers/mtd/tests/mtd_torturetest.c
index ecc68bf3f3f2..dd34a519fa7a 100644
--- a/drivers/mtd/tests/mtd_torturetest.c
+++ b/drivers/mtd/tests/mtd_torturetest.c
@@ -189,7 +189,7 @@ static inline int write_pattern(int ebnum, void *buf)
                 addr = (ebnum + 1) * mtd->erasesize - pgcnt * pgsize;
                 len = pgcnt * pgsize;
         }
-        err = mtd->write(mtd, addr, len, &written, buf);
+        err = mtd_write(mtd, addr, len, &written, buf);
         if (err) {
                 printk(PRINT_PREF "error %d while writing EB %d, written %zd"
                       " bytes\n", err, ebnum, written);
diff --git a/drivers/mtd/ubi/io.c b/drivers/mtd/ubi/io.c
index 433382951d3d..8d832fc9e9e4 100644
--- a/drivers/mtd/ubi/io.c
+++ b/drivers/mtd/ubi/io.c
@@ -289,7 +289,7 @@ int ubi_io_write(struct ubi_device *ubi, const void *buf, int pnum, int offset,
         }
 
         addr = (loff_t)pnum * ubi->peb_size + offset;
-        err = ubi->mtd->write(ubi->mtd, addr, len, &written, buf);
+        err = mtd_write(ubi->mtd, addr, len, &written, buf);
         if (err) {
                 ubi_err("error %d while writing %d bytes to PEB %d:%d, written "
                         "%zd bytes", err, len, pnum, offset, written);
@@ -525,11 +525,10 @@ static int nor_erase_prepare(struct ubi_device *ubi, int pnum)
          * the header comment in scan.c for more information).
          */
         addr = (loff_t)pnum * ubi->peb_size;
-        err = ubi->mtd->write(ubi->mtd, addr, 4, &written, (void *)&data);
+        err = mtd_write(ubi->mtd, addr, 4, &written, (void *)&data);
         if (!err) {
                 addr += ubi->vid_hdr_aloffset;
-                err = ubi->mtd->write(ubi->mtd, addr, 4, &written,
-                                      (void *)&data);
+                err = mtd_write(ubi->mtd, addr, 4, &written, (void *)&data);
                 if (!err)
                         return 0;
         }