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Re: XFS: bad clientid on recovery on MIPS (VIPT cache)

To: Ajeet Yadav <ajeet.yadav.77@xxxxxxxxx>
Subject: Re: XFS: bad clientid on recovery on MIPS (VIPT cache)
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Mon, 25 Oct 2010 09:43:11 -0400
Cc: xfs@xxxxxxxxxxx, linux-mips@xxxxxxxxxxxxxx
In-reply-to: <AANLkTimFuG6cVLkYt+7-Y_8PnapFvmry5RUcmpOHaPco@xxxxxxxxxxxxxx>
References: <AANLkTi=wbBhb=s3z9vyw9gL9Qwy0goj+8UtueFyNq+y2@xxxxxxxxxxxxxx> <20101021125219.GA21472@xxxxxxxxxxxxx> <AANLkTimFuG6cVLkYt+7-Y_8PnapFvmry5RUcmpOHaPco@xxxxxxxxxxxxxx>
User-agent: Mutt/1.5.21 (2010-09-15)
On Thu, Oct 21, 2010 at 06:57:15PM +0530, Ajeet Yadav wrote:
> Thanks for response,
> 
> Linux kernel I am using is 2.6.30, where as XFS I have ported until 2.6.34
> on given kernel.
> Do you think I need the mentioned API
> flush_kernel_vmap_range/invalidate_kernel_vmap_range in 2.6.30.9 as well.I
> will be grateful if you can provide me sample code for the above API.

I don't really know how to implement it - it's up to the cache
architecture.  Take a look at the existing implementations in 2.6.34+
kernels and possibly ask on the Linux-mips mainglinglist how to
implement it.

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