linux-kernel - Re: Linux 2.6.29

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Message-ID: <49D5387B.2080200@garzik.org>
Date:	Thu, 02 Apr 2009 18:13:15 -0400
From:	Jeff Garzik <jeff@...zik.org>
To:	Andrew Morton <akpm@...ux-foundation.org>
CC:	David Rees <drees76@...il.com>, Janne Grunau <j@...nau.net>,
	Lennart Sorensen <lsorense@...lub.uwaterloo.ca>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Theodore Tso <tytso@....edu>, Jesper Krogh <jesper@...gh.cc>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Linux 2.6.29

Andrew Morton wrote:
> ext3 _should_ handle this case fairly well nowadays - I thought we fixed that.
> However it would probably benefit from having the size of the block reservation
> window increased - use ioctl(EXT3_IOC_SETRSVSZ).  That way, each file gets a
> decent-sized hunk of disk "reserved" for its ongoing appending.  Other
> files won't come in and intermingle their blocks with it.

How big of a chore would it be, to use this code to implement 
i_op->fallocate() for ext3, I wonder?

	Jeff


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