linux-ext4 - Re: delalloc and reservation.

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Message-id: <4725FFF8.5060501@gmail.com>
Date:	Mon, 29 Oct 2007 18:44:56 +0300
From:	Alex Tomas <bzzz.tomas@...il.com>
To:	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>
Cc:	Andreas Dilger <adilger@...sterfs.com>,
	Eric Sandeen <sandeen@...hat.com>,
	Valerie Clement <valerie.clement@...l.net>,
	Theodore Tso <tytso@....edu>, Mingming Cao <cmm@...ibm.com>,
	linux-ext4 <linux-ext4@...r.kernel.org>
Subject: Re: delalloc and reservation.

sorry, I don't quite understand how do you observe this with nomballoc

thanks, Alex

Aneesh Kumar K.V wrote:
> mballoc by default doesn't give the particular layout only if i force small
> size to use inode preallocation i am hitting the problem. ie to change the
> below line in ext4_mb_group_or_file
> 
> if (ac->ac_o_ex.fe_len >= sbi->s_mb_small_req)
> 
> to
> if (ac->ac_o_ex.fe_len <= sbi->s_mb_small_req)
> 
> Do you want to test the patch with this change ?
> 
> We are observing the problem with delalloc and nomballoc.
> 
> 
> -aneesh
> 

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