Date: Sat, 1 Jun 1996 10:37:11 +1000 From: Bruce Evans <bde@zeta.org.au> To: bde@zeta.org.au, terry@lambert.org Cc: davidg@Root.COM, hackers@freebsd.org, jgreco@solaria.sol.net, rashid@rk.ios.com Subject: Re: Breaking ffs - speed enhancement? Message-ID: <199606010037.KAA26374@godzilla.zeta.org.au>
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>> >There is a school of thought that says "shall be updated" in POSIX is >> >not the same as "shall be committed to stable storage" (the traditional >> >BSD implementation). >> >> When was this traditional? >It's just historical behaviour; has to do (in 4.3) with whether or >not O_ASYNC is set or not. The write is done, regardless; it *will* This seems unlikely. O_ASYNC has to do with SIGIO for sockets. Perhaps you mean O_FSYNC. O_FSYNC is a no-op in 4.4Lite and in FreeBSD. Perhaps you mean MNT_ASYNC. MNT_ASYNC is (almost?) a no-op in 4.4Lite but is partly implemented in FreeBSD. Bruce
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