Re: [PATCH v2 4/6] fs/dcache: Avoid the try_lock loops in dentry_kill()

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To: John Ogness <john.ogness@xxxxxxxxxxxxx>
Subject: Re: [PATCH v2 4/6] fs/dcache: Avoid the try_lock loops in dentry_kill()
From: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Date: Fri, 23 Feb 2018 03:16:54 +0000
Cc: linux-fsdevel@xxxxxxxxxxxxxxx, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>, Christoph Hellwig <hch@xxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx
In-reply-to: <20180223031214.GW30522@ZenIV.linux.org.uk>
User-agent: Mutt/1.9.1 (2017-09-22)

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 ;-)

References:
- [PATCH v2 0/6] fs/dcache: avoid trylock loops
  - From: John Ogness
- [PATCH v2 4/6] fs/dcache: Avoid the try_lock loops in dentry_kill()
  - From: John Ogness
- Re: [PATCH v2 4/6] fs/dcache: Avoid the try_lock loops in dentry_kill()
  - From: Al Viro
- Re: [PATCH v2 4/6] fs/dcache: Avoid the try_lock loops in dentry_kill()
  - From: Al Viro

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