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Re: howto preallocate to minimize fragmentation

from [Stewart Smith] [Permanent Link][Original]
To: Eric Sandeen <sandeen@xxxxxxx>
Subject: Re: howto preallocate to minimize fragmentation
From: Stewart Smith <stewart@xxxxxxxxxxxxxxxx>
Date: Thu, 13 Apr 2006 15:10:00 +1000
Cc: Ying-Hung Chen <ying@xxxxxxxxxxxxxx>, Andrew Ho <andrewho@xxxxxxxxxxxxx>, linux-xfs@xxxxxxxxxxx
In-reply-to: <4332D17E.6060608@sgi.com>
References: <43329839.2070005@yingternet.com> <4332A22B.6070708@sgi.com> <4332BFCC.8050803@yingternet.com> <4332C248.70503@sgi.com> <4332C636.9070509@yingternet.com> <4332CE65.2000500@animezone.org> <4332CF04.2060604@yingternet.com> <4332D17E.6060608@sgi.com>
Sender: linux-xfs-bounce@xxxxxxxxxxx 
On Thu, 2005-09-22 at 10:45 -0500, Eric Sandeen wrote:
> something like this:
>          err = xfsctl(argv[1], fd, XFS_IOC_RESVSP64, &fl);

Are we going to see this be part of posix_fallocate in glibc any time
soon? The patch would be fairly trivial and then let application
programmers use a standard interface that has a nice fallback in case of
non-XFS file systems.
-- 
Stewart Smith (stewart@xxxxxxxxxxxxxxxx)
http://www.flamingspork.com/

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