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From: Christopher Faylor <me@cgf.cx>
To: Junio C Hamano <junkio@cox.net>, Alex Riesen <raa.lkml@gmail.com>,
	git@vger.kernel.org
Subject: Re: [PATCH] fsck-objects: support platforms without d_ino in struct dirent.
Date: Thu, 19 Jan 2006 22:38:03 -0500	[thread overview]
Message-ID: <20060120033803.GF5090@trixie.casa.cgf.cx> (raw)
In-Reply-To: <7vu0bz7lbk.fsf@assigned-by-dhcp.cox.net>

On Thu, Jan 19, 2006 at 05:13:51PM -0800, Junio C Hamano wrote:
>The d_ino field is only used for performance reasons in
>fsck-objects.  On a typical filesystem, i-number tends to have a
>strong correlation with where the actual bits sit on the disk
>platter, and we sort the entries to allow us scan things that
>ought to be close together together.
>
>If the platform lacks support for it, it is not a big deal.
>Just do not use d_ino for sorting, and scan them unsorted.

Ah, interesting.  I don't know if the file id objects would have
that sort of correlation on NT but obviously the file hashes don't.

cgf

  reply	other threads:[~2006-01-20  3:38 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-01-18 13:47 cygwin-latest: compile errors related to sockaddr_storage, dirent->d_type and dirent->d_ino Alex Riesen
2006-01-19  5:29 ` Christopher Faylor
2006-01-19  8:59   ` Junio C Hamano
2006-01-19 16:10     ` Christopher Faylor
2006-01-19 20:34       ` Christopher Faylor
2006-01-19 21:16         ` Linus Torvalds
2006-01-19 21:28           ` Christopher Faylor
2006-01-19 21:44             ` Linus Torvalds
2006-01-19 21:51               ` Christopher Faylor
2006-01-20  1:13     ` [PATCH] fsck-objects: support platforms without d_ino in struct dirent Junio C Hamano
2006-01-20  3:38       ` Christopher Faylor [this message]
2006-01-19 10:42   ` cygwin-latest: compile errors related to sockaddr_storage, dirent->d_type and dirent->d_ino Alex Riesen
2006-01-19 18:31     ` Christopher Faylor
2006-01-19 22:08       ` Alex Riesen
2006-01-19 22:51         ` Christopher Faylor
2006-01-19 12:51 ` Petr Baudis
2006-01-19 15:04   ` Alex Riesen
2006-01-19 13:00 ` Petr Baudis
2006-01-19 15:07   ` Alex Riesen
2006-01-20  1:13 ` Junio C Hamano
2006-01-20 13:23   ` Alex Riesen
2006-01-20  1:13 ` [PATCH] DT_UNKNOWN: do not fully trust existence of DT_UNKNOWN Junio C Hamano
2006-01-20 15:01   ` Alex Riesen
2006-01-20 19:10     ` Junio C Hamano
2006-01-20 21:53       ` Alex Riesen
2006-01-21  8:09         ` Junio C Hamano
2006-01-23 13:07           ` Alex Riesen

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