From owner-freebsd-current  Mon May 18 22:51:47 1998
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To: Jason Nordwick <nordwick@scam.xcf.berkeley.edu>
cc: freebsd-current@FreeBSD.ORG
Subject: Re: softupdates and mount options... 
In-reply-to: Your message of "Mon, 18 May 1998 21:36:59 PDT."
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Date: Tue, 19 May 1998 00:50:52 -0500
From: Ted Spradley <tsprad@set.spradley.tmi.net>
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> I never told the system (through fstab), to mount sync or async.
> I added softupdates today and put sync under the mount options
> just to be safe, but now it appears to actually make the system
> slower ?  Is this because the system default to async ?

Um, sync and async are not a binary choice.  Normal is sorta in between sync and async.

As I understand it, the sync option requires that the write(2) call doesn't return to the process until the data and metadata is safely written to the disk.  


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