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From: Andrew Morton <akpm@linux-foundation.org>
To: "Ananiev, Leonid I" <leonid.i.ananiev@intel.com>
Cc: <linux-kernel@vger.kernel.org>, "linux-aio" <linux-aio@kvack.org>,
	"Zach Brown" <zach.brown@oracle.com>, <suparna@in.ibm.com>,
	"Chris Mason" <chris.mason@oracle.com>,
	"Badari Pulavarty" <pbadari@us.ibm.com>
Subject: Re: [PATCH] aio: fix kernel bug when page is  temporally busy
Date: Thu, 8 Feb 2007 21:52:37 -0800	[thread overview]
Message-ID: <20070208215237.e5a48659.akpm@linux-foundation.org> (raw)
In-Reply-To: <B41635854730A14CA71C92B36EC22AAC8048E2@mssmsx411>

On Fri, 9 Feb 2007 08:41:41 +0300 "Ananiev, Leonid I" <leonid.i.ananiev@intel.com> wrote:

> 
> > invalidate_inode_pages2() has other callers.  I suspect with this
> change
> > we'll end up leaking EIOCBRETRY back to userspace.
> 
> EIOCBRETRY is used and caught already in do_sync_read() and
> do_sync_readv_writev().

To pick one example:

	nfs_follow_link
	->nfs_revalidate_mapping_nolock
	  ->nfs_invalidate_mapping_nolock
	    ->invalidate_inode_pages2

so that, I assume, affects open(), unlink(), etc.


> Below fixed patch against kernel 2.6.20.

The tab->spaces issue is fixed, but it's still all wordwrapped.


  reply	other threads:[~2007-02-09  5:52 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-09  4:29 [PATCH] aio: fix kernel bug when page is temporally busy Ananiev, Leonid I
2007-02-09  4:35 ` Andrew Morton
2007-02-09  5:41   ` Ananiev, Leonid I
2007-02-09  5:52     ` Andrew Morton [this message]
2007-02-12 22:52       ` Ananiev, Leonid I
2007-02-12 23:21       ` Ananiev, Leonid I
2007-02-09  7:16     ` Suparna Bhattacharya
2007-02-09  9:52       ` Ananiev, Leonid I
2007-02-09 10:11         ` Jiri Kosina
2007-02-10 18:05         ` Ken Chen
2007-02-10 18:17           ` Ananiev, Leonid I
2007-02-10 18:27           ` Ananiev, Leonid I
2007-02-10 21:57           ` Ananiev, Leonid I
2007-02-15  9:16           ` Ananiev, Leonid I
2007-02-15 18:25             ` Zach Brown
2007-02-15 19:11               ` Ananiev, Leonid I
2007-02-15 19:22                 ` Zach Brown
2007-02-15 21:06                   ` Ananiev, Leonid I
2007-02-15 23:32                   ` Ananiev, Leonid I
2007-02-16  0:01                     ` Zach Brown
2007-02-16 12:18                       ` Ananiev, Leonid I
2007-02-09  9:54 ` Jiri Kosina
2007-02-09 10:14   ` Andrew Morton
2007-02-09 10:40     ` Jiri Kosina
2007-02-09 11:05       ` Suparna Bhattacharya
2007-02-09 11:18         ` Ananiev, Leonid I
2007-02-09 17:02         ` Zach Brown
2007-02-10 19:36 Ananiev, Leonid I
2007-02-14 17:51 Ananiev, Leonid I
2007-02-15  3:30 ` Andrew Morton
2007-02-15  5:26   ` Ananiev, Leonid I

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