linux-kernel - Re: [Ecryptfs-devel] [PATCH] ecryptfs: some inode attrs, and a question

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Message-Id: <1232377295.5893.1.camel@norville.austin.ibm.com>
Date:	Mon, 19 Jan 2009 09:01:35 -0600
From:	Dave Kleikamp <shaggy@...ux.vnet.ibm.com>
To:	hooanon05@...oo.co.jp
Cc:	Tyler Hicks <tyhicks@...ux.vnet.ibm.com>,
	linux-fsdevel <linux-fsdevel@...r.kernel.org>,
	linux-kernel@...r.kernel.org, ecryptfs-devel@...ts.launchpad.net
Subject: Re: [Ecryptfs-devel] [PATCH] ecryptfs: some inode attrs, and a
 question

On Mon, 2009-01-19 at 11:17 +0900, hooanon05@...oo.co.jp wrote:
> Dave Kleikamp:
> > For a regular file, the size of the upper inode is not the same as the
> > size of the lower inode.  The lower inode includes the header blocks
> > which are not visible in the upper inode.  So ecryptfs_interpose() will
> > overwrite the correct upper inode size.
> 
> Then it means updating i_size in ecryptfs_link() is unnecessary...

It's restoring i_size to the correct value after ecryptfs_interpose
updates it with the wrong value.

Shaggy
-- 
David Kleikamp
IBM Linux Technology Center

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