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From: Nick Piggin <nickpiggin@yahoo.com.au>
To: Robin Holt <holt@SGI.com>
Cc: Andrew Morton <akpm@osdl.org>,
	John McCutchan <john@johnmccutchan.com>,
	linux-kernel@vger.kernel.org, rml@novell.com, arnd@arndb.de,
	hch@lst.de, Dipankar Sarma <dipankar@in.ibm.com>
Subject: Re: udevd is killing file write performance.
Date: Sat, 25 Feb 2006 13:44:12 +1100	[thread overview]
Message-ID: <43FFC47C.2090001@yahoo.com.au> (raw)
In-Reply-To: <20060224185632.GB343@lnx-holt.americas.sgi.com>

Robin Holt wrote:
> On Fri, Feb 24, 2006 at 06:07:43PM +1100, Nick Piggin wrote:
> 
>>Attached is a first implementation of what was my idea then of how
>>to solve it... note it is pretty rough and I never got around to doing
>>much testing of it.
>>
>>Basically: moves work out of inotify event time and to inotify attach
>>/detach time while staying out of the core VFS.
> 
> 
> The customer called and said they had tried with udevd running and this
> patch applied.  They said the problem is gone.
> 

OK, well tell them not to run it in production of course...

I'll spend a bit of time to implement Andrew's suggestion, and
do some testing on it.

-- 
SUSE Labs, Novell Inc.
Send instant messages to your online friends http://au.messenger.yahoo.com 

  reply	other threads:[~2006-02-25  2:44 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-02-22 13:42 udevd is killing file write performance Robin Holt
2006-02-22 13:55 ` Andrew Morton
2006-02-22 16:48 ` John McCutchan
2006-02-22 17:50   ` Robin Holt
2006-02-22 20:05     ` Andrew Morton
2006-02-22 21:50       ` Jeff V. Merkey
2006-02-23 12:56       ` Robin Holt
2006-02-23 13:42         ` David Chinner
2006-02-22 22:52     ` John McCutchan
2006-02-22 23:12       ` Andrew Morton
2006-02-22 23:41         ` John McCutchan
2006-02-24  0:14           ` Andrew Morton
2006-02-24  0:14           ` Andrew Morton
2006-02-24  5:47             ` John McCutchan
2006-02-24  6:00               ` Andrew Morton
2006-02-24  7:07                 ` Nick Piggin
2006-02-24  7:16                   ` Andrew Morton
2006-02-24  7:19                     ` Nick Piggin
2006-02-26 16:58                       ` John McCutchan
2006-02-24 18:56                   ` Robin Holt
2006-02-25  2:44                     ` Nick Piggin [this message]
2006-02-25 15:53                     ` [patch] inotify: lock avoidance with parent watch status in dentry Nick Piggin
2006-02-28  0:48                       ` Andrew Morton
2006-02-26 16:55                   ` udevd is killing file write performance John McCutchan
2006-02-27 10:11                     ` Nick Piggin
2006-02-27 20:17                       ` John McCutchan
2006-02-23 20:38         ` Benjamin LaHaise

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