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[MTD] Remove the only useless readv implementation 

Removing readv from struct mtd_info broke block2mtd. Remove the
reference and the useless default implementation.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Thomas Gleixner 2006-05-25 13:38:45 +02:00 committed by David Woodhouse
parent f5bbdacc41
commit 8546ac4f84
2 changed files with 0 additions and 33 deletions
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1
drivers/mtd/devices/block2mtd.c
View File

@ -331,7 +331,6 @@ static struct block2mtd_dev *add_device(char *devname, int erase_size)
dev->mtd.writev = default_mtd_writev; dev->mtd.writev = default_mtd_writev;
dev->mtd.sync = block2mtd_sync; dev->mtd.sync = block2mtd_sync;
dev->mtd.read = block2mtd_read; dev->mtd.read = block2mtd_read;
dev->mtd.readv = default_mtd_readv;
dev->mtd.priv = dev; dev->mtd.priv = dev;
dev->mtd.owner = THIS_MODULE; dev->mtd.owner = THIS_MODULE;

32
drivers/mtd/mtdcore.c
View File

@ -254,37 +254,6 @@ int default_mtd_writev(struct mtd_info *mtd, const struct kvec *vecs,
return ret; return ret;
} }
/* default_mtd_readv - default mtd readv method for MTD devices that dont
* implement their own
*/
int default_mtd_readv(struct mtd_info *mtd, struct kvec *vecs,
unsigned long count, loff_t from, size_t *retlen)
{
unsigned long i;
size_t totlen = 0, thislen;
int ret = 0;
if(!mtd->read) {
ret = -EIO;
} else {
for (i=0; i<count; i++) {
if (!vecs[i].iov_len)
continue;
ret = mtd->read(mtd, from, vecs[i].iov_len, &thislen, vecs[i].iov_base);
totlen += thislen;
if (ret || thislen != vecs[i].iov_len)
break;
from += vecs[i].iov_len;
}
}
if (retlen)
*retlen = totlen;
return ret;
}
EXPORT_SYMBOL(add_mtd_device); EXPORT_SYMBOL(add_mtd_device);
EXPORT_SYMBOL(del_mtd_device); EXPORT_SYMBOL(del_mtd_device);
EXPORT_SYMBOL(get_mtd_device); EXPORT_SYMBOL(get_mtd_device);
@ -292,7 +261,6 @@ EXPORT_SYMBOL(put_mtd_device);
EXPORT_SYMBOL(register_mtd_user); EXPORT_SYMBOL(register_mtd_user);
EXPORT_SYMBOL(unregister_mtd_user); EXPORT_SYMBOL(unregister_mtd_user);
EXPORT_SYMBOL(default_mtd_writev); EXPORT_SYMBOL(default_mtd_writev);
EXPORT_SYMBOL(default_mtd_readv);
#ifdef CONFIG_PROC_FS #ifdef CONFIG_PROC_FS