Commit ac452aca authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Al Viro

fs: move kernel_write to fs/read_write.c

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 317d5a5f
......@@ -496,9 +496,24 @@ ssize_t __kernel_write(struct file *file, const char *buf, size_t count, loff_t
inc_syscw(current);
return ret;
}
EXPORT_SYMBOL(__kernel_write);
ssize_t kernel_write(struct file *file, const char *buf, size_t count,
loff_t pos)
{
mm_segment_t old_fs;
ssize_t res;
old_fs = get_fs();
set_fs(get_ds());
/* The cast to a user pointer is valid due to the set_fs() */
res = vfs_write(file, (__force const char __user *)buf, count, &pos);
set_fs(old_fs);
return res;
}
EXPORT_SYMBOL(kernel_write);
ssize_t vfs_write(struct file *file, const char __user *buf, size_t count, loff_t *pos)
{
ssize_t ret;
......
......@@ -364,22 +364,6 @@ static ssize_t kernel_readv(struct file *file, const struct kvec *vec,
return res;
}
ssize_t kernel_write(struct file *file, const char *buf, size_t count,
loff_t pos)
{
mm_segment_t old_fs;
ssize_t res;
old_fs = get_fs();
set_fs(get_ds());
/* The cast to a user pointer is valid due to the set_fs() */
res = vfs_write(file, (__force const char __user *)buf, count, &pos);
set_fs(old_fs);
return res;
}
EXPORT_SYMBOL(kernel_write);
static ssize_t default_file_splice_read(struct file *in, loff_t *ppos,
struct pipe_inode_info *pipe, size_t len,
unsigned int flags)
......
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