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From: Andrew Morton <akpm@osdl.org>
To: Janet Morgan <janetmor@us.ibm.com>
Cc: daniel@osdl.org, pbadari@us.ibm.com, linux-aio@kvack.org,
	linux-kernel@vger.kernel.org, suparna@in.ibm.com
Subject: Re: [PATCH 2.6.2-rc3-mm1] DIO read race fix
Date: Wed, 4 Feb 2004 19:19:21 -0800	[thread overview]
Message-ID: <20040204191921.62122c15.akpm@osdl.org> (raw)
In-Reply-To: <4021B07E.8030700@us.ibm.com>

Janet Morgan <janetmor@us.ibm.com> wrote:
>
> >Daniel McNeil <daniel@osdl.org> wrote:
>  >  
>  >
>  >>I have found (finally) the problem causing DIO reads racing with
>  >>buffered writes to see uninitialized data on ext3 file systems 
>  >>(which is what I have been testing on).
>  >>    
>  >>
>  >
>  >What kernel?  If -mm, is this the only remaining buffered-vs-direct
>  >problem?
>  >
>  >  
>  >
>  I think there was consensus on two other patches along the way:
> 
>      http://marc.theaimsgroup.com/?l=linux-kernel&m=107286971311559&w=2
>      http://marc.theaimsgroup.com/?l=linux-aio&m=107291089712224&w=2

Yes, I think those are needed but this thing has been dragging on for so
long it has become a little unclear.  This was the main reason why I backed
off the fs-aio patches.

Daniel, could you please work out whether we actually need those patches
and if so, prep them for us?  Presumably if ext2 passes all testing without
those patches, we do not need them.


  reply	other threads:[~2004-02-05  3:17 UTC|newest]

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <3FCD4B66.8090905@us.ibm.com>
2003-12-06  1:29 ` [PATCH linux-2.6.0-test10-mm1] dio-read-race-fix Daniel McNeil
2003-12-08 18:23   ` Daniel McNeil
2003-12-12  0:51     ` Daniel McNeil
2003-12-17  1:25       ` [PATCH linux-2.6.0-test10-mm1] filemap_fdatawait.patch Daniel McNeil
2003-12-17  2:03         ` Andrew Morton
2003-12-17 19:25           ` Daniel McNeil
2003-12-17 20:17             ` Janet Morgan
2003-12-31  9:18           ` Suparna Bhattacharya
2003-12-31  9:35             ` Andrew Morton
2003-12-31  9:55               ` Suparna Bhattacharya
2003-12-31  9:59                 ` Andrew Morton
2003-12-31 10:09                   ` Suparna Bhattacharya
2003-12-31 10:10                     ` Andrew Morton
2003-12-31 10:48                       ` Suparna Bhattacharya
2003-12-31 10:53                         ` Andrew Morton
2003-12-31 10:54                           ` Andrew Morton
2003-12-31 11:17                             ` Andrew Morton
2003-12-31 22:34                               ` [PATCH linux-2.6.1-rc1-mm1] filemap_fdatawait.patch Daniel McNeil
2003-12-31 22:41                                 ` [PATCH linux-2.6.1-rc1-mm1] aiodio_fallback_bio_count.patch Daniel McNeil
2003-12-31 23:46                                   ` Andrew Morton
2004-01-02  5:14                                     ` Suparna Bhattacharya
2004-01-02  7:46                                       ` Andrew Morton
2004-01-05  3:55                                         ` Suparna Bhattacharya
2004-01-05  5:06                                           ` Andrew Morton
2004-01-05  5:28                                             ` Suparna Bhattacharya
2004-01-05  5:28                                               ` Andrew Morton
2004-01-05  6:06                                                 ` Suparna Bhattacharya
2004-01-05  6:14                                                 ` Lincoln Dale
2003-12-31 22:47                                 ` [PATCH linux-2.6.1-rc1-mm1] dio_isize.patch Daniel McNeil
2003-12-31 23:42                                 ` [PATCH linux-2.6.1-rc1-mm1] filemap_fdatawait.patch Andrew Morton
2004-01-02  4:20                                   ` Suparna Bhattacharya
2004-01-02  4:36                                     ` Andrew Morton
2004-01-02  5:50                               ` [PATCH linux-2.6.0-test10-mm1] filemap_fdatawait.patch Suparna Bhattacharya
2004-01-02  7:31                                 ` Andrew Morton
2004-01-05 13:49                                 ` Marcelo Tosatti
2004-01-05 20:27                                   ` Andrew Morton
2004-03-29 15:44                                 ` Marcelo Tosatti
2004-01-11 23:14                               ` Janet Morgan
2004-01-11 23:44                                 ` Andrew Morton
2004-01-12 18:00                                   ` filemap_fdatawait.patch Daniel McNeil
2004-01-12 19:39                                   ` [PATCH linux-2.6.0-test10-mm1] filemap_fdatawait.patch Janet Morgan
2004-01-12 19:46                                     ` Daniel McNeil
2004-01-13  4:12                                 ` Janet Morgan
2003-12-30  4:53       ` [PATCH linux-2.6.0-test10-mm1] dio-read-race-fix Suparna Bhattacharya
2003-12-31  0:29         ` Daniel McNeil
2003-12-31  6:09           ` Suparna Bhattacharya
2004-01-08 23:55             ` Daniel McNeil
2004-01-09  3:55               ` Suparna Bhattacharya
2004-02-05  1:39                 ` [PATCH 2.6.2-rc3-mm1] DIO read race fix Daniel McNeil
2004-02-05  1:54                   ` Badari Pulavarty
2004-02-05  2:07                   ` Andrew Morton
2004-02-05  2:54                     ` Janet Morgan
2004-02-05  3:19                       ` Andrew Morton [this message]
2004-02-05  3:43                         ` Suparna Bhattacharya
2004-02-05  5:33                   ` Andrew Morton
2004-02-05 17:52                     ` Daniel McNeil
2004-02-05 18:53                     ` Badari Pulavarty
2004-03-29 15:41           ` [PATCH linux-2.6.0-test10-mm1] dio-read-race-fix Suparna Bhattacharya

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