Date: Sun, 22 Apr 2007 17:48:39 +0200 From: Ivan Voras <ivoras@fer.hr> To: Pawel Jakub Dawidek <pjd@FreeBSD.org> Cc: freebsd-geom@FreeBSD.org Subject: Re: gjournal & async Message-ID: <462B83D7.1010905@fer.hr> In-Reply-To: <20070422123852.GA52622@garage.freebsd.pl> References: <f0eb3i$97s$2@sea.gmane.org> <20070422123852.GA52622@garage.freebsd.pl>
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[-- Attachment #1 --] Pawel Jakub Dawidek wrote: > On Sun, Apr 22, 2007 at 02:43:29AM +0200, Ivan Voras wrote: >> How does gjournal guarantee corectness if UFS is mounted async? AFAIK >> the "async" handling of IO requests is done by the UFS, the writes are >> not rescheduled at the GEOM layer? > > GJournal has some minimum knowledge about VFS. Before it does journal > switch, it synchronize and suspends file system. This way we can be sure > everything is on disk in a consistent state. Thanks. So, this (async support) could actually work with other file systems, like ext2 and msdos? [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.4 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFGK4PXldnAQVacBcgRAiS6AKCAjFido0wfna+8A1Mc27VdgQHauwCglSVP Eauf1qAWiF5enGU6EfM4pTQ= =lXls -----END PGP SIGNATURE-----
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