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| author | Badari Pulavarty <pbadari@us.ibm.com> | 2006-10-01 08:28:47 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-01 09:39:28 +0200 |
| commit | ee0b3e671baff681d69fbf0db33b47603c0a8280 (patch) | |
| tree | 3202ff815b2196c6c353bc5b28d7a2800df273ec /drivers/net/tun.c | |
| parent | [PATCH] Vectorize aio_read/aio_write fileop methods (diff) | |
| download | linux-ee0b3e671baff681d69fbf0db33b47603c0a8280.tar.xz linux-ee0b3e671baff681d69fbf0db33b47603c0a8280.zip | |
[PATCH] Remove readv/writev methods and use aio_read/aio_write instead
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>
Diffstat (limited to 'drivers/net/tun.c')
| -rw-r--r-- | drivers/net/tun.c | 37 |
1 files changed, 10 insertions, 27 deletions
diff --git a/drivers/net/tun.c b/drivers/net/tun.c index de8da6dee1b0..bc0face01d25 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -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, |