Date: Fri, 25 Nov 2011 16:29:55 +0400 From: Lev Serebryakov <lev@FreeBSD.org> To: Pawel Jakub Dawidek <pjd@freebsd.org> Cc: freebsd-fs@freebsd.org Subject: Re: Does UFS2 send BIO_FLUSH to GEOM when update metadata (with softupdates)? Message-ID: <811912711.20111125162955@serebryakov.spb.ru> In-Reply-To: <20111125113756.GZ50300@deviant.kiev.zoral.com.ua> References: <1957615267.20111123230026@serebryakov.spb.ru> <20111123194444.GE50300@deviant.kiev.zoral.com.ua> <20111125110235.GB1642@garage.freebsd.pl> <20111125113756.GZ50300@deviant.kiev.zoral.com.ua>
next in thread | previous in thread | raw e-mail | index | archive | help
Hello, Kostik. You wrote 25 =ED=EE=FF=E1=F0=FF 2011 =E3., 15:37:56: >> The second point is there, because BIO_FLUSH is the only way to avoid >> reordering (apart from turning off disk write cache). Here is BIO_ORDERED flag, but, again, FFS -> GEOM path doesn't use it. --=20 // Black Lion AKA Lev Serebryakov <lev@FreeBSD.org>
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?811912711.20111125162955>