autofs: switch to kernel_write

While pipes don't really need sb_writers projection, __kernel_write is an
interface better kept private, and the additional rw_verify_area does not
hurt here.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Ian Kent <raven@themaw.net>

diff --git a/fs/autofs/waitq.c b/fs/autofs/waitq.c
index b04c528..74c886f 100644 (file)
--- a/fs/autofs/waitq.c
+++ b/fs/autofs/waitq.c
@@ -53,7 +53,7 @@ static int autofs_write(struct autofs_sb_info *sbi,
 
        mutex_lock(&sbi->pipe_mutex);
        while (bytes) {
-               wr = __kernel_write(file, data, bytes, &file->f_pos);
+               wr = kernel_write(file, data, bytes, &file->f_pos);
                if (wr <= 0)
                        break;
                data += wr;