From mboxrd@z Thu Jan  1 00:00:00 1970
From: Michael Halcrow <mhalcrow@us.ibm.com>
Subject: Re: [PATCH] fsstack: fsstack_copy_inode_size locking
Date: Mon, 30 Jun 2008 16:49:01 -0500
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Cc: Hugh Dickins <hugh@veritas.com>,
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To: Erez Zadok <ezk@cs.sunysb.edu>
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On Mon, Jun 30, 2008 at 02:19:27PM -0400, Erez Zadok wrote:
> BTW, ecryptfs may have a problem with this, b/c it uses
> i_size_read/write b/t the lower and upper inodes.  If some
> filesystems have a different interpretation for i_size, then
> stacking ecryptfs on top of them could be an issue.  Mike?

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.