fs: fix kernel_write prototype
Make the position an in/out argument like all the other read/write
helpers and and make the buf argument a void pointer.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/read_write.c b/fs/read_write.c
index 9cf1de8..9f3aeb1 100644
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -512,8 +512,8 @@ ssize_t __kernel_write(struct file *file, const char *buf, size_t count, loff_t
}
EXPORT_SYMBOL(__kernel_write);
-ssize_t kernel_write(struct file *file, const char *buf, size_t count,
- loff_t pos)
+ssize_t kernel_write(struct file *file, const void *buf, size_t count,
+ loff_t *pos)
{
mm_segment_t old_fs;
ssize_t res;
@@ -521,7 +521,7 @@ ssize_t kernel_write(struct file *file, const char *buf, size_t count,
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);
+ res = vfs_write(file, (__force const char __user *)buf, count, pos);
set_fs(old_fs);
return res;