From: Al Viro <viro@ZenIV.linux.org.uk>
To: Anton Altaparmakov <anton@tuxera.com>
Cc: linux-fsdevel <linux-fsdevel@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Race condition between iget_locked() and evict_inodes()
Date: Thu, 29 Sep 2016 13:17:13 +0100 [thread overview]
Message-ID: <20160929121713.GO19539@ZenIV.linux.org.uk> (raw)
In-Reply-To: <83D4F976-29F7-467A-BC04-50FB7688FF22@tuxera.com>
On Thu, Sep 29, 2016 at 11:53:21AM +0000, Anton Altaparmakov wrote:
> Thus if the events happen in this order:
>
> evict_inodes() iget_locked() in find_inode_fast()
... you are buggered, because somebody is trying to grab a reference
to inode on a filesystem that is being shut down. Look at evict_inode()
caller...
next prev parent reply other threads:[~2016-09-29 12:17 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-29 11:53 Race condition between iget_locked() and evict_inodes() Anton Altaparmakov
2016-09-29 12:17 ` Al Viro [this message]
2016-09-29 12:56 ` Anton Altaparmakov
2016-09-29 13:38 ` Al Viro
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