linux-kernel - Re: [PATCH v2 4/6] fs/dcache: Avoid the try_lock loops in dentry

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Message-ID: <20180223031654.GX30522@ZenIV.linux.org.uk>
Date:   Fri, 23 Feb 2018 03:16:54 +0000
From:   Al Viro <viro@...IV.linux.org.uk>
To:     John Ogness <john.ogness@...utronix.de>
Cc:     linux-fsdevel@...r.kernel.org,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Christoph Hellwig <hch@....de>,
        Thomas Gleixner <tglx@...utronix.de>,
        Peter Zijlstra <peterz@...radead.org>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 4/6] fs/dcache: Avoid the try_lock loops in
 dentry_kill()

On Fri, Feb 23, 2018 at 03:12:14AM +0000, Al Viro wrote:

> 	/* retain_dentry() needs ->count == 1 already checked)

... obviously not even compile-tested ;-)