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Re: [NOISE] merge window blues, XFS broken

To: Dave Chinner <david@xxxxxxxxxxxxx>
Subject: Re: [NOISE] merge window blues, XFS broken
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Sun, 26 Jan 2014 23:41:47 -0800
Cc: "Michael L. Semon" <mlsemon35@xxxxxxxxx>, xfs-oss <xfs@xxxxxxxxxxx>
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <20140127015614.GD2212@dastard>
References: <52E56386.5040802@xxxxxxxxx> <20140127015614.GD2212@dastard>
User-agent: Mutt/1.5.21 (2010-09-15)
On Mon, Jan 27, 2014 at 12:56:14PM +1100, Dave Chinner wrote:
> Hmmmm - that would point to struct xfs_log_iovec being 12 bytes on
> ia32, similarly the struct xfs_log_vec may not be 8 byte aligned
> when allocated because pointers only require 4 byte alignement.
> 
> Hence the initial data buffer may be 4 byte aligned and so that will
> break the alignment requirement.


Yeah.  Shoulkd be enough to just align the initial lv_buf allocation.

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