diff options
Diffstat (limited to 'drivers/mtd/mtdblock.c')
| -rw-r--r-- | drivers/mtd/mtdblock.c | 34 |
1 files changed, 17 insertions, 17 deletions
diff --git a/drivers/mtd/mtdblock.c b/drivers/mtd/mtdblock.c index 7c1dc908a17..485ea751c7f 100644 --- a/drivers/mtd/mtdblock.c +++ b/drivers/mtd/mtdblock.c @@ -32,6 +32,7 @@ #include <linux/mtd/mtd.h> #include <linux/mtd/blktrans.h> #include <linux/mutex.h> +#include <linux/major.h> struct mtdblk_dev { @@ -85,7 +86,7 @@ static int erase_write (struct mtd_info *mtd, unsigned long pos, set_current_state(TASK_INTERRUPTIBLE); add_wait_queue(&wait_q, &wait); - ret = mtd->erase(mtd, &erase); + ret = mtd_erase(mtd, &erase); if (ret) { set_current_state(TASK_RUNNING); remove_wait_queue(&wait_q, &wait); @@ -102,7 +103,7 @@ 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 +153,7 @@ 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; @@ -184,8 +185,8 @@ static int do_cached_write (struct mtdblk_dev *mtdblk, unsigned long pos, mtdblk->cache_offset != sect_start) { /* fill the cache with the current sector */ mtdblk->cache_state = STATE_EMPTY; - ret = mtd->read(mtd, sect_start, sect_size, - &retlen, mtdblk->cache_data); + ret = mtd_read(mtd, sect_start, sect_size, + &retlen, mtdblk->cache_data); if (ret) return ret; if (retlen != sect_size) @@ -222,7 +223,7 @@ static int do_cached_read (struct mtdblk_dev *mtdblk, unsigned long pos, mtd->name, pos, len); if (!sect_size) - return mtd->read(mtd, pos, len, &retlen, buf); + return mtd_read(mtd, pos, len, &retlen, buf); while (len > 0) { unsigned long sect_start = (pos/sect_size)*sect_size; @@ -241,7 +242,7 @@ static int do_cached_read (struct mtdblk_dev *mtdblk, unsigned long pos, mtdblk->cache_offset == sect_start) { memcpy (buf, mtdblk->cache_data + offset, size); } else { - ret = mtd->read(mtd, pos, size, &retlen, buf); + ret = mtd_read(mtd, pos, size, &retlen, buf); if (ret) return ret; if (retlen != size) @@ -308,7 +309,7 @@ static int mtdblock_open(struct mtd_blktrans_dev *mbd) return 0; } -static int mtdblock_release(struct mtd_blktrans_dev *mbd) +static void mtdblock_release(struct mtd_blktrans_dev *mbd) { struct mtdblk_dev *mtdblk = container_of(mbd, struct mtdblk_dev, mbd); @@ -321,17 +322,18 @@ static int mtdblock_release(struct mtd_blktrans_dev *mbd) mutex_unlock(&mtdblk->cache_mutex); if (!--mtdblk->count) { - /* It was the last usage. Free the cache */ - if (mbd->mtd->sync) - mbd->mtd->sync(mbd->mtd); + /* + * It was the last usage. Free the cache, but only sync if + * opened for writing. + */ + if (mbd->file_mode & FMODE_WRITE) + mtd_sync(mbd->mtd); vfree(mtdblk->cache_data); } mutex_unlock(&mtdblks_lock); pr_debug("ok\n"); - - return 0; } static int mtdblock_flush(struct mtd_blktrans_dev *dev) @@ -341,9 +343,7 @@ static int mtdblock_flush(struct mtd_blktrans_dev *dev) mutex_lock(&mtdblk->cache_mutex); write_cached_data(mtdblk); mutex_unlock(&mtdblk->cache_mutex); - - if (dev->mtd->sync) - dev->mtd->sync(dev->mtd); + mtd_sync(dev->mtd); return 0; } @@ -374,7 +374,7 @@ static void mtdblock_remove_dev(struct mtd_blktrans_dev *dev) static struct mtd_blktrans_ops mtdblock_tr = { .name = "mtdblock", - .major = 31, + .major = MTD_BLOCK_MAJOR, .part_bits = 0, .blksize = 512, .open = mtdblock_open, |