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From: Yongzhi Pan <panyongzhi@gmail.com>
To: "Michael Kerrisk (man-pages)" <mtk.manpages@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
	lkml <linux-kernel@vger.kernel.org>,
	Miklos Szeredi <miklos@szeredi.hu>,
	"Theodore T'so" <tytso@mit.edu>, Christoph Hellwig <hch@lst.de>,
	Chris Mason <clm@fb.com>, Dave Chinner <david@fromorbit.com>,
	Linux-Fsdevel <linux-fsdevel@vger.kernel.org>,
	Al Viro <viro@zeniv.linux.org.uk>,
	"J. Bruce Fields" <bfields@citi.umich.edu>
Subject: Re: Update of file offset on write() etc. is non-atomic with I/O
Date: Fri, 7 Mar 2014 11:38:14 +0800	[thread overview]
Message-ID: <CACu+fTYSsmAMiV8w=BzYLEbf2WtiRO78=cy_G+1e5sk0p46vKg@mail.gmail.com> (raw)
In-Reply-To: <53188E50.70808@gmail.com>

2014-03-06 23:03 GMT+08:00 Michael Kerrisk (man-pages) <mtk.manpages@gmail.com>:
>
> The original code (where Yongzhi Pan reported an issue) and
> the multi_writer.c test code where both mine actually. Anyway,
> I applied the patch to 3.14-rc5, and I (not withstanding the other
> points raised by Al about the patch) I confirm that this patch makes
> the  problem that I'm seeing go away.
>
> Thanks for looking at this, Linus.
>
> Cheers,
>
> Michael


I tested the original patch on 3.13.5, the multi_writer.c test code
and the code in your book both run flawlessly.


Best Regards,
Yongzhi Pan

  reply	other threads:[~2014-03-07  3:38 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-17 15:41 Update of file offset on write() etc. is non-atomic with I/O Michael Kerrisk (man-pages)
2014-02-18 13:00 ` Michael Kerrisk
2014-02-20 17:14 ` Linus Torvalds
2014-03-03 17:36   ` Linus Torvalds
2014-03-03 21:45     ` Al Viro
2014-03-03 21:56       ` Linus Torvalds
2014-03-03 22:09         ` Al Viro
2014-03-03 22:20           ` Linus Torvalds
2014-03-03 22:01       ` Linus Torvalds
2014-03-03 22:10         ` Al Viro
2014-03-03 22:22           ` Linus Torvalds
2014-03-06 15:03     ` Michael Kerrisk (man-pages)
2014-03-07  3:38       ` Yongzhi Pan [this message]
     [not found] <a8df285f-de7f-4a3a-9a19-e0ad07ab3a5c@blur>
2014-02-20 18:15 ` Zuckerman, Boris
2014-02-20 18:15   ` Zuckerman, Boris
2014-02-20 18:29   ` Al Viro
2014-02-21  6:01     ` Michael Kerrisk (man-pages)
2014-02-23  1:18       ` Kevin Easton
2014-02-23  7:38         ` Michael Kerrisk (man-pages)
2014-03-03 21:03 George Spelvin
2014-03-03 21:26 ` Al Viro
2014-03-03 21:52   ` Linus Torvalds
2014-03-03 22:01     ` Al Viro
2014-03-03 22:17       ` Linus Torvalds
2014-03-03 23:28         ` Al Viro
2014-03-03 23:34           ` Linus Torvalds
2014-03-03 23:42             ` Al Viro
2014-03-03 23:59               ` Linus Torvalds
2014-03-04  0:23                 ` Al Viro
2014-03-04  0:42                   ` Linus Torvalds
2014-03-04  1:05                     ` Al Viro
2014-03-04 20:00                       ` Al Viro
2014-03-04 21:17                         ` Linus Torvalds
2014-03-05  0:04                           ` Al Viro
2014-03-10 15:55                             ` Al Viro
2014-03-03 22:55     ` Linus Torvalds
2014-03-03 23:23       ` Linus Torvalds
2014-03-03 23:39         ` Al Viro
2014-03-03 23:54           ` Linus Torvalds
2014-03-03 23:54           ` Al Viro
2014-03-04 20:11           ` Cedric Blancher
2014-03-04  0:07     ` George Spelvin
2014-05-04  7:04 ` Michael Kerrisk

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