Date: Thu, 14 May 1998 19:06:45 +0800 From: Peter Wemm <peter@netplex.com.au> To: Michael Hancock <michaelh@cet.co.jp> Cc: Mikhail Teterin <mi@aldan.algebra.com>, current@FreeBSD.ORG Subject: Re: soft updates and async Message-ID: <199805141106.TAA16215@spinner.netplex.com.au> In-Reply-To: Your message of "Thu, 14 May 1998 17:25:15 %2B0900." <Pine.SV4.3.95.980514171226.1994B-100000@parkplace.cet.co.jp>
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Michael Hancock wrote: > On Thu, 14 May 1998, Mikhail Teterin wrote: [..] > > Will I be able to combine async and softupdates in the future and why > > would I want to? > > No, they are mutually exclusive. If you do a write it is either sync > (default), async, or delayed (softupdates). You'd have no reason to > combine them unless you want to get undefined behavior. In this case, undefined == panic.. The softupdate code gets *very* upset when certain sync writes are not performed when expected. The -o async code interferes with those. At least, that's the way it was a few months ago when I forgot to remove an async mount option from my fstab after enabling softupdates in single user. > Regards, > > Mike Hancock Cheers, -Peter -- Peter Wemm <peter@netplex.com.au> Netplex Consulting To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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