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From: Eric Sandeen <sandeen@sandeen.net>
To: Gopala Krishna <gopalakrishna.n.m@gmail.com>
Cc: "David Chinner" <dgc@sgi.com>, "Chris Wedgwood" <cw@f00f.org>,
	"Matthias Schniedermeyer" <ms@citd.de>,
	"Olaf Fra;czyk" <olaf@cbk.poznan.pl>,
	"Andi Kleen" <andi@firstfloor.org>,
	xfs@oss.sgi.com
Subject: Re: Question related to XFS sync , especially fsync
Date: Tue, 15 Jan 2008 09:18:04 -0600	[thread overview]
Message-ID: <478CCEAC.9010008@sandeen.net> (raw)
In-Reply-To: <d711080c0801150544i53d7abb2hbea659116ce0006b@mail.gmail.com>

Gopala Krishna wrote:
> Hi All,
> Thanks a lot for your response.
> I never thought it might be in a log and not flushed to disk.
> Very good clue.
> 
>>>> It is not XFS problem. It is your problem ;)
> Good comment. Agreed : -).
> 
>>> How are you finding and inode off disk
> 
> I have lot of code getting in to that. To explain that I have to go through
> that complex part of the code to explain in detail.
> 
> Basically once we get indoe number for a given file from the available
> system call, we only depending upon the XFS layout and it's structure.  We
> are  reading super block from a particular disk offset  and calculating
> address for inode offset and its address on the disk and reading directly
> from the disk offset. We are totally depending on XFS on disk layout.

Can I ask why you are doing this? :)

-Eric

  reply	other threads:[~2008-01-15 15:18 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-14 12:14 Question related to XFS sync , especially fsync Gopala Krishna
2008-01-14 12:24 ` Gopala Krishna
2008-01-14 12:25   ` Gopala Krishna
2008-01-14 14:06 ` Andi Kleen
2008-01-14 14:32 ` Olaf Frączyk
2008-01-14 14:43 ` ***** SUSPECTED SPAM ***** " Matthias Schniedermeyer
2008-01-14 17:55 ` Chris Wedgwood
2008-01-14 22:42 ` David Chinner
2008-01-15 13:44   ` Gopala Krishna
2008-01-15 15:18     ` Eric Sandeen [this message]
2008-01-15 22:26       ` Nathan Scott
2008-01-16  6:43         ` Gopala Krishna
     [not found]           ` <20080116064840.GA5725@puku.stupidest.org>
2008-01-16  7:25             ` Gopala Krishna
2008-01-16  7:52               ` Iustin Pop
2008-01-16  8:11                 ` Gopala Krishna
2008-01-16  8:25               ` Christoph Hellwig
2008-01-16  9:00                 ` Gopala Krishna
2008-01-16 11:52                   ` Mark Goodwin
2008-01-16 21:17                     ` Martin Steigerwald
2008-01-16 23:38                       ` Mark Goodwin
2008-01-17  1:25               ` Andi Kleen
2008-01-17  2:44                 ` David Chinner

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