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From: Chris Mason <mason@suse.com>
To: reiserfs-list@namesys.com
Subject: Re: [PATCH CFT] tons of logging patches
Date: 02 Aug 2002 08:28:07 -0400	[thread overview]
Message-ID: <1028291287.12934.207.camel@tiny> (raw)
In-Reply-To: <3D30CB31.8040703@mb.tu-ilmenau.de>

Hello everyone,

I've uploaded 03-data-logging-24.diff, which fixes a tail packing oops
in data=journal mode, and fixes the data=ordered slow down (5-10%)
introduced in -23.  

-23 flushed all the ordered buffer heads with the journal lock held,
which meant no new transactions could start while the ordered buffers
were being flushed.  This was safe but slower.

-24 flushes them right before the commit blocks (like -19 did), and only
flushes the tail conversion targets with the journal lock held.  Doing
the tail conversion targets later risks losing the tail data after a
crash.

Thanks to grev@namesys.com who reported the ordered write bug in -19 and
the data=journal oops in -23.

-chris



  reply	other threads:[~2002-08-02 12:28 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-06-22 20:02 [PATCH CFT] tons of logging patches Dieter Nützel
2002-06-24 19:05 ` Chris Mason
2002-07-09 13:52   ` Dieter Nützel
2002-07-09 14:00     ` Chris Mason
2002-07-12 19:43       ` Chris Mason
2002-07-14  0:52         ` Manuel Krause
2002-08-02 12:28           ` Chris Mason [this message]
2002-08-02 12:34             ` Chris Mason
2002-08-02 12:59               ` Hans Reiser
2002-08-02 13:10                 ` Chris Mason
  -- strict thread matches above, loose matches on Subject: below --
2002-06-04 15:48 berthiaume_wayne
2002-06-04 16:55 ` Chris Mason
2002-06-03  3:51 Chris Mason
2002-06-03  4:04 ` Chris Mason
2002-06-03  8:46 ` Matthias Andree
2002-06-03 12:26   ` Chris Mason
2002-06-04  0:45 ` Manuel Krause
2002-06-04  1:49 ` Manuel Krause
2002-06-04  2:20   ` Chris Mason
2002-06-04  3:28     ` Manuel Krause
2002-06-04 13:12       ` Chris Mason
2002-06-05 21:13         ` Manuel Krause
2002-06-05 21:27           ` Manuel Krause
2002-06-05 21:32             ` Chris Mason
2002-06-06  0:09             ` Chris Mason
2002-06-12 22:32               ` Manuel Krause
2002-06-17  0:47                 ` Chris Mason
2002-06-17  0:31                   ` Manuel Krause
2002-06-17 19:04                     ` Chris Mason
2002-06-21  0:25                       ` Chris Mason
2002-06-28 13:51                       ` Chris Mason
2002-07-02 18:16                         ` Chris Mason
2002-07-03 20:56                           ` Chris Mason
2002-07-04  0:28                             ` Manuel Krause
2002-07-08 13:51                               ` Chris Mason
2002-06-04  2:57   ` Chris Mason
2002-06-04  4:16     ` Manuel Krause
2002-06-04 13:34       ` Chris Mason
2002-06-04 21:20         ` Hans Reiser
2002-06-05  0:16           ` Robert Brockway
2002-06-05  8:43           ` Oleg Drokin

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