From: Karel Zak <kzak@redhat.com>
To: NeilBrown <neilb@suse.com>
Cc: Ian Kent <raven@themaw.net>,
autofs mailing list <autofs@vger.kernel.org>,
linux-nfs@vger.kernel.org, util-linux@vger.kernel.org
Subject: Re: [autofs PATCH] Add -c option when calling /bin/umount - if supported.
Date: Wed, 7 Jun 2017 17:52:02 +0200 [thread overview]
Message-ID: <20170607155202.5zyzuvy6l3fsawkl@ws.net.home> (raw)
In-Reply-To: <87d1agd4cu.fsf@notabene.neil.brown.name>
On Wed, Jun 07, 2017 at 10:32:49AM +1000, NeilBrown wrote:
>
> The "-c" option has been supported by umount since util-linux 2.17.
> It tells umount that the path name is "canonical", meaning no
> symlinks or ".." etc.
> This is appropriate for autofs to use and it always uses canonical
> path names.
> The advantage of "-c" is that it means umount doesn't need to
> 'lstat()' the path so much.
It would be also nice to force systemd to use "umount -c" on shutdown
to avoid automount storm...
Karel
--
Karel Zak <kzak@redhat.com>
http://karelzak.blogspot.com
next prev parent reply other threads:[~2017-06-07 15:52 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-07 0:32 [autofs PATCH] Add -c option when calling /bin/umount - if supported NeilBrown
2017-06-07 15:52 ` Karel Zak [this message]
2017-06-07 15:55 ` Karel Zak
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