diff options
Diffstat (limited to 'net/socket.c')
| -rw-r--r-- | net/socket.c | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/net/socket.c b/net/socket.c index 153fe83f3..edaf48a3b 100644 --- a/net/socket.c +++ b/net/socket.c @@ -69,6 +69,7 @@ #include <linux/wanrouter.h> #include <linux/init.h> #include <linux/poll.h> +#include <linux/cache.h> #if defined(CONFIG_KMOD) && defined(CONFIG_NET) #include <linux/kmod.h> @@ -98,6 +99,10 @@ static unsigned int sock_poll(struct file *file, static int sock_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg); static int sock_fasync(int fd, struct file *filp, int on); +static ssize_t sock_readv(struct file *file, const struct iovec *vector, + unsigned long count, loff_t *ppos); +static ssize_t sock_writev(struct file *file, const struct iovec *vector, + unsigned long count, loff_t *ppos); /* @@ -114,7 +119,9 @@ static struct file_operations socket_file_ops = { mmap: sock_mmap, open: sock_no_open, /* special open code to disallow open via /proc */ release: sock_close, - fasync: sock_fasync + fasync: sock_fasync, + readv: sock_readv, + writev: sock_writev }; /* @@ -512,6 +519,27 @@ int sock_readv_writev(int type, struct inode * inode, struct file * file, return sock_sendmsg(sock, &msg, size); } +static ssize_t sock_readv(struct file *file, const struct iovec *vector, + unsigned long count, loff_t *ppos) +{ + size_t tot_len = 0; + int i; + for (i = 0 ; i < count ; i++) + tot_len += vector[i].iov_len; + return sock_readv_writev(VERIFY_WRITE, file->f_dentry->d_inode, + file, vector, count, tot_len); +} + +static ssize_t sock_writev(struct file *file, const struct iovec *vector, + unsigned long count, loff_t *ppos) +{ + size_t tot_len = 0; + int i; + for (i = 0 ; i < count ; i++) + tot_len += vector[i].iov_len; + return sock_readv_writev(VERIFY_READ, file->f_dentry->d_inode, + file, vector, count, tot_len); +} /* * With an ioctl arg may well be a user mode pointer, but we don't know what to do |