linux-kernel - Re: [PATCH] configfs: Fix race between create_link and configfs

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Message-Id: <c76cb2bd-726b-7334-ae74-f2870390efb6@linux.vnet.ibm.com>
Date:   Thu, 8 Jun 2017 07:34:05 -0500
From:   "Bryant G. Ly" <bryantly@...ux.vnet.ibm.com>
To:     Christoph Hellwig <hch@....de>,
        "Nicholas A. Bellinger" <nab@...ux-iscsi.org>
Cc:     target-devel <target-devel@...r.kernel.org>,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>,
        linux-scsi <linux-scsi@...r.kernel.org>,
        lkml <linux-kernel@...r.kernel.org>,
        Joel Becker <jlbec@...lplan.org>
Subject: Re: [PATCH] configfs: Fix race between create_link and configfs_rmdir


> Thanks Nic,
>
> applied to the configfs-for-next tree.  I'm not entirely sure if we
> should bother adding this to 4.12 or if it hits rarely enough?
>
It hits for us pretty often when we have a GPFS setup with 10 hosts and 1k+ vms.

That is how we discovered the bug in the first place.

-Bryant