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From: ebiederm@xmission.com (Eric W. Biederman)
To: Andrei Vagin <avagin@virtuozzo.com>
Cc: Andrey Vagin <avagin@openvz.org>,
	Alexander Viro <viro@zeniv.linux.org.uk>,
	Linux Containers <containers@lists.linux-foundation.org>,
	linux-fsdevel <linux-fsdevel@vger.kernel.org>,
	LKML <linux-kernel@vger.kernel.org>
Subject: Re: [REVIEW][PATCH] mount: In propagate_umount handle overlapping mount propagation trees
Date: Fri, 21 Oct 2016 14:26:19 -0500	[thread overview]
Message-ID: <87pomtec6c.fsf@xmission.com> (raw)
In-Reply-To: <20161020213052.GA25226@outlook.office365.com> (Andrei Vagin's message of "Thu, 20 Oct 2016 14:30:53 -0700")

Andrei Vagin <avagin@virtuozzo.com> writes:
>> Barring some stupid mistake this looks like it fixes both the performance
>> and the correctness issues I was able to spot earlier.  Andrei if you
>> could give this version a look over I would appreciate it.
>
> Eric, could you try out this script:
[snip script]

> It hangs up on my host with this patch.

Ugh.  I am seeing the hang as well digging into it.

Thanks for keeping me honest.

Eric

  reply	other threads:[~2016-10-21 19:28 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-10 23:26 [PATCH] [v3] mount: dont execute propagate_umount() many times for same mounts Andrei Vagin
2016-10-13 17:14 ` Eric W. Biederman
2016-10-13 19:53   ` [RFC][PATCH] mount: In mark_umount_candidates and __propogate_umount visit each mount once Eric W. Biederman
2016-10-13 21:46     ` Andrei Vagin
2016-10-14  2:31       ` Andrey Vagin
2016-10-14  2:45         ` Eric W. Biederman
2016-10-14 18:29           ` [RFC][PATCH v2] " Eric W. Biederman
2016-10-18  2:40             ` Andrei Vagin
2016-10-18  6:49               ` Eric W. Biederman
2016-10-19  3:46                 ` [REVIEW][PATCH] mount: In propagate_umount handle overlapping mount propagation trees Eric W. Biederman
2016-10-20 21:30                   ` Andrei Vagin
2016-10-21 19:26                     ` Eric W. Biederman [this message]
2016-10-22 19:42                       ` [RFC][PATCH v2] " Eric W. Biederman
2016-10-25 20:58                         ` Andrei Vagin
2016-10-25 21:45                           ` Eric W. Biederman
2016-10-25 23:41                             ` Andrei Vagin
2016-10-26  1:42                               ` Eric W. Biederman
2016-11-01  6:14                             ` Andrei Vagin

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