linux-ext4 - Re: EXT4 nodelalloc => back to stone age.

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Date:	Mon, 01 Apr 2013 10:18:51 -0500
From:	Eric Sandeen <sandeen@...hat.com>
To:	Dmitry Monakhov <dmonakhov@...nvz.org>
CC:	ext4 development <linux-ext4@...r.kernel.org>,
	linux-fsdevel@...r.kernel.org, axboe@...nel.dk,
	Jan Kara <jack@...e.cz>
Subject: Re: EXT4 nodelalloc => back to stone age.

On 4/1/13 6:06 AM, Dmitry Monakhov wrote:

> 1)Do we really have to use WRITE_SYNC in case of WB_SYNC_ALL ?

...

> 2) Why don't we have writepages for non delalloc case ?

...

I'd add:

3) Why do we have a "nodelalloc" mount option at all?

but then I thought:

Is it also this bad when using the ext4 driver to run an ext3 fs?

-Eric

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