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From: Al Viro <viro@zeniv.linux.org.uk>
To: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
	John Ogness <john.ogness@linutronix.de>,
	Thomas Gleixner <tglx@linutronix.de>,
	Peter Zijlstra <peterz@infradead.org>
Subject: Re: [RFC PATCH v2] fs/namespace: use percpu_rw_semaphore for writer holding
Date: Sun, 19 Jul 2020 02:49:54 +0100	[thread overview]
Message-ID: <20200719014954.GH2786714@ZenIV.linux.org.uk> (raw)
In-Reply-To: <20200702154646.qkrzchuttrywvuud@linutronix.de>

On Thu, Jul 02, 2020 at 05:46:46PM +0200, Sebastian Andrzej Siewior wrote:

> The MNT_WRITE_HOLD flag is used to manually implement a rwsem.

Could you show me where does it currently sleep?  Your version does,
unless I'm misreading it...

  reply	other threads:[~2020-07-19  1:50 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-02 15:46 Sebastian Andrzej Siewior
2020-07-19  1:49 ` Al Viro [this message]
2020-07-20 15:35   ` John Ogness

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