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[PATCH] Remove readv/writev methods and use aio_read/aio_write instead

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This patch removes readv() and writev() methods and replaces them with
aio_read()/aio_write() methods.

Signed-off-by: Badari Pulavarty <pbadari@us.ibm.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Badari Pulavarty
2006-09-30 23:28:47 -07:00
committed by Linus Torvalds
parent 027445c372
commit ee0b3e671b
21 changed files with 154 additions and 388 deletions
Download Patch File Download Diff File Expand all files Collapse all files

37
drivers/net/tun.c
View File

@@ -288,11 +288,10 @@ static inline size_t iov_total(const struct iovec *iv, unsigned long count)
return len;
}
/* Writev */
static ssize_t tun_chr_writev(struct file * file, const struct iovec *iv,
unsigned long count, loff_t *pos)
static ssize_t tun_chr_aio_write(struct kiocb *iocb, const struct iovec *iv,
unsigned long count, loff_t pos)
{
struct tun_struct *tun = file->private_data;
struct tun_struct *tun = iocb->ki_filp->private_data;
if (!tun)
return -EBADFD;
@@ -302,14 +301,6 @@ static ssize_t tun_chr_writev(struct file * file, const struct iovec *iv,
return tun_get_user(tun, (struct iovec *) iv, iov_total(iv, count));
}
/* Write */
static ssize_t tun_chr_write(struct file * file, const char __user * buf,
size_t count, loff_t *pos)
{
struct iovec iv = { (void __user *) buf, count };
return tun_chr_writev(file, &iv, 1, pos);
}
/* Put packet to the user space buffer */
static __inline__ ssize_t tun_put_user(struct tun_struct *tun,
struct sk_buff *skb,
@@ -343,10 +334,10 @@ static __inline__ ssize_t tun_put_user(struct tun_struct *tun,
return total;
}
/* Readv */
static ssize_t tun_chr_readv(struct file *file, const struct iovec *iv,
unsigned long count, loff_t *pos)
static ssize_t tun_chr_aio_read(struct kiocb *iocb, const struct iovec *iv,
unsigned long count, loff_t pos)
{
struct file *file = iocb->ki_filp;
struct tun_struct *tun = file->private_data;
DECLARE_WAITQUEUE(wait, current);
struct sk_buff *skb;
@@ -426,14 +417,6 @@ static ssize_t tun_chr_readv(struct file *file, const struct iovec *iv,
return ret;
}
/* Read */
static ssize_t tun_chr_read(struct file * file, char __user * buf,
size_t count, loff_t *pos)
{
struct iovec iv = { buf, count };
return tun_chr_readv(file, &iv, 1, pos);
}
static void tun_setup(struct net_device *dev)
{
struct tun_struct *tun = netdev_priv(dev);
@@ -764,10 +747,10 @@ static int tun_chr_close(struct inode *inode, struct file *file)
static struct file_operations tun_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.read = tun_chr_read,
.readv = tun_chr_readv,
.write = tun_chr_write,
.writev = tun_chr_writev,
.read = do_sync_read,
.aio_read = tun_chr_aio_read,
.write = do_sync_write,
.aio_write = tun_chr_aio_write,
.poll = tun_chr_poll,
.ioctl = tun_chr_ioctl,
.open = tun_chr_open,