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

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Date:	Fri, 16 Jan 2009 16:42:31 +0900
From:	hooanon05@...oo.co.jp
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	mhalcrow@...ibm.com, ecryptfs-devel@...ts.launchpad.net
Subject: Re: [PATCH] ecryptfs: some inode attrs, and a question 


Andrew Morton:
> > +	atomic_inc_return(&lower_dentry->d_inode->i_count);
> > +	atomic_inc_return(&lower_inode->i_count);
> 
> atomic_inc() would suffice here, yes?

I thought that ..._return() is smp safe and necessary here.
Because lower_inode may be touched by lower fs (outside of ecryptfs).

Anyway my original patch seemed to be already dropped.


J. R. Okajima
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