From: Peter Staubach <staubach@redhat.com>
To: Akshat Aranya <aaranya@cs.sunysb.edu>
Cc: linux-fsdevel@vger.kernel.org
Subject: Re: Expected getdents behaviour
Date: Thu, 15 Sep 2005 10:03:29 -0400 [thread overview]
Message-ID: <43297F31.6050902@redhat.com> (raw)
In-Reply-To: <e483447805091506573daebc21@mail.gmail.com>
Akshat Aranya wrote:
>I noticed that bonnie++, in its directory tests, does the following on
>a large directory
>
>open(dir);
>while (getdents() != 0)
>{
> unlink all the returned entries from getdents
>}
>close(dir);
>
>My question is whether the filesystem's readdir is expected to
>consider the offset value in the second readdir to still be valid,
>given that entries from the directory were deleted after the first
>readdir.
>
This "usually" works. Most file systems do not directory compaction when
removing entries. However, some do, so to be safe, the algorithm needs to
take into account this and also entries which can not be removed.
Thanx...
ps
next prev parent reply other threads:[~2005-09-15 14:03 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-15 13:57 Expected getdents behaviour Akshat Aranya
2005-09-15 14:03 ` Peter Staubach [this message]
2005-09-15 14:07 ` Anton Altaparmakov
2005-09-15 14:12 ` Anton Altaparmakov
2005-09-15 14:45 ` Miklos Szeredi
2005-09-15 15:17 ` Anton Altaparmakov
2005-09-15 16:41 ` Jan Blunck
2005-09-15 17:46 ` Jörn Engel
2005-09-15 18:19 ` Theodore Ts'o
2005-09-15 21:04 ` Anton Altaparmakov
2005-09-16 7:50 ` Nikita Danilov
2005-09-15 21:47 ` Jörn Engel
2005-09-16 7:29 ` Nikita Danilov
2005-09-16 11:58 ` Theodore Ts'o
2005-09-15 21:00 ` Anton Altaparmakov
2005-09-15 21:15 ` Charles P. Wright
2005-09-15 21:19 ` Anton Altaparmakov
2005-09-15 20:28 ` Anton Altaparmakov
2005-09-15 16:51 ` Miklos Szeredi
2005-09-15 21:17 ` Anton Altaparmakov
2005-09-15 15:51 ` Theodore Ts'o
2005-09-15 16:52 ` Bryan Henderson
2005-09-15 16:57 ` Jeremy Allison
2005-09-15 20:51 ` Anton Altaparmakov
2005-09-15 20:50 ` Anton Altaparmakov
2005-09-15 23:41 ` Bryan Henderson
2005-09-15 20:25 ` Anton Altaparmakov
2005-09-16 3:39 ` Theodore Ts'o
2005-09-16 11:57 ` Dave Kleikamp
2005-09-15 18:08 ` Nikita Danilov
2005-09-16 11:23 ` Miklos Szeredi
2005-09-16 1:28 ` tridge
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