export kernel_write(), convert open-coded instances
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/splice.c b/fs/splice.c
index 963213d..718bd00 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -569,7 +569,7 @@
return res;
}
-static ssize_t kernel_write(struct file *file, const char *buf, size_t count,
+ssize_t kernel_write(struct file *file, const char *buf, size_t count,
loff_t pos)
{
mm_segment_t old_fs;
@@ -578,11 +578,12 @@
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, (const char __user *)buf, count, &pos);
+ res = vfs_write(file, (__force const char __user *)buf, count, &pos);
set_fs(old_fs);
return res;
}
+EXPORT_SYMBOL(kernel_write);
ssize_t default_file_splice_read(struct file *in, loff_t *ppos,
struct pipe_inode_info *pipe, size_t len,
