linux-ext4 - Re: [PATCH] ext4: do less extent validations

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Message-ID: <20090327205441.GF6239@mit.edu>
Date:	Fri, 27 Mar 2009 16:54:41 -0400
From:	Theodore Tso <tytso@....edu>
To:	Thiemo Nagel <thiemo.nagel@...tum.de>
Cc:	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>,
	Ext4 Developers List <linux-ext4@...r.kernel.org>
Subject: Re: [PATCH] ext4: do less extent validations

On Mon, Mar 16, 2009 at 08:05:30PM +0100, Thiemo Nagel wrote:
> Thiemo Nagel wrote:
>>
>> Based on 2.6.29-rc7 with Aneesh Kumar's patches:
>> ext4: Validate extent details only when read from the disk
>> ext4: Add checks to validate extent entries
>>
>> Sets need_to_validate=0 inside instead of outside the loop.
>
> OTOH, why not remove the variable altogether?  (cf. attached patch)

This patch causes ext4_ext_check to be called before the variables eh
is set, and before variable is updated.

					- Ted
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