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Date: Tue, 20 Sep 2016 13:04:18 +0300
From: Slawa Olhovchenkov <slw@zxy.spb.ru>
To: Warner Losh <imp@bsdimp.com>
Cc: Ronald Klop <ronald-lists@klop.ws>,
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Subject: Re: svn commit: r305968 - head/etc/autofs
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On Mon, Sep 19, 2016 at 10:19:04PM -0600, Warner Losh wrote:

> For MSDOS it's one thing and likely helps. But for ufs it doesn't
> help. Soft updates already does an excellent job at reducing wear and
> all async does is give added danger of dataloss. Linux distros don't
> matter for UFS because different design decisions have been made for
> ext[234] and UFS.

SU mount of UFS and unexpected media loast can caused kernel panic at
next mount this media. async mount don't have such issuse.