linux-kernel - Re: [PATCH] fsstack: fsstack_copy_inode

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Message-ID: <20080701070350.GA22914@infradead.org>
Date:	Tue, 1 Jul 2008 03:03:50 -0400
From:	Christoph Hellwig <hch@...radead.org>
To:	Michael Halcrow <mhalcrow@...ibm.com>
Cc:	Erez Zadok <ezk@...sunysb.edu>, Hugh Dickins <hugh@...itas.com>,
	Christoph Hellwig <hch@...radead.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	hooanon05@...oo.co.jp, viro@...iv.linux.org.uk,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] fsstack: fsstack_copy_inode_size locking

On Mon, Jun 30, 2008 at 04:49:01PM -0500, Michael Halcrow wrote:
> eCryptfs depends on the results of i_size_read() on the lower inode
> when it needs to interpolate the filesize when the metadata is stored
> in the lower file's xattr region.

please use vfs_getattr to get the size in thst case.

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