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Date:      Mon, 18 Nov 1996 00:50:09 +1100
From:      Bruce Evans <bde@zeta.org.au>
To:        bde@zeta.org.au, phk@critter.tfs.com
Cc:        freebsd-hardware@freefall.freebsd.org, mango@staff.communique.net
Subject:   Re: kernel optimization and PCI ...
Message-ID:  <199611171350.AAA19075@godzilla.zeta.org.au>
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>>It does?  Where?  ffs_statfs seems to just copy some data.  df does a
>>full sync for non-mounted file systems.
>
>Huh, sync of non-mounted file systems ?  How could you possibly do that...

Using sync(2) :-).  It syncs everything (at least if you wait for an
indeterminate time after it returns :-().  The sync is to get the
superblock for the file system written out in case it is mounted via
an alias or being written without being mounted.

Bruce
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