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DateMon, 2 Dec 2002 16:31:11 +1100
FromStephen Rothwell <>
SubjectRe: [PATCH] dnotify fix for readv/writev (Linux 2.4.20)
Hi Linus,

On Mon, 2 Dec 2002 09:22:43 +0800 Zou Pengcheng <pczou@redflag-linux.com> wrote:
>
> this is a patch to fix the dnotify bug of readv/writev. 
> 
> Orignally DN_MODIFY is issued on readv while DN_ACCESS is issued on writev, 
> which is obviously wrong. This patch fixes such problem.
> 
> cheers,
>   -- Pengcheng Zou

This is the equivalent patch for 2.5.50+.

Please apply.

-- 
Cheers,
Stephen Rothwell                    sfr@canb.auug.org.au
http://www.canb.auug.org.au/~sfr/

diff -ruN 2.5.50-BK/fs/read_write.c 2.5.50-BK-dnotify/fs/read_write.c
--- 2.5.50-BK/fs/read_write.c	2002-12-02 16:25:50.000000000 +1100
+++ 2.5.50-BK-dnotify/fs/read_write.c	2002-12-02 16:28:39.000000000 +1100
@@ -447,7 +447,7 @@
 		kfree(iov);
 	if ((ret + (type == READ)) > 0)
 		dnotify_parent(file->f_dentry,
-				(type == READ) ? DN_MODIFY : DN_ACCESS);
+				(type == READ) ? DN_ACCESS : DN_MODIFY);
 	return ret;
 }
 
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