linux-ext4 - Re: [PATCHSET v3.1 0/7] data integrity: Stabilize pages during writeback for various fses

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Message-ID: <87vcxipljj.fsf@devron.myhome.or.jp>
Date:	Wed, 11 May 2011 01:28:32 +0900
From:	OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
To:	Jan Kara <jack@...e.cz>
Cc:	"Darrick J. Wong" <djwong@...ibm.com>,
	Theodore Tso <tytso@....edu>,
	Alexander Viro <viro@...iv.linux.org.uk>,
	Jens Axboe <axboe@...nel.dk>,
	"Martin K. Petersen" <martin.petersen@...cle.com>,
	Jeff Layton <jlayton@...hat.com>,
	Dave Chinner <david@...morbit.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Dave Hansen <dave@...ux.vnet.ibm.com>,
	Christoph Hellwig <hch@...radead.org>, linux-mm@...ck.org,
	Chris Mason <chris.mason@...cle.com>,
	Joel Becker <jlbec@...lplan.org>,
	linux-scsi <linux-scsi@...r.kernel.org>,
	linux-fsdevel <linux-fsdevel@...r.kernel.org>,
	linux-ext4@...r.kernel.org, Mingming Cao <mcao@...ibm.com>
Subject: Re: [PATCHSET v3.1 0/7] data integrity: Stabilize pages during writeback for various fses

Jan Kara <jack@...e.cz> writes:

>> Maybe possible, but you really think on usual case just blocking is
>> better?
>   Define usual case... As Christoph noted, we don't currently have a real
> practical case where blocking would matter (since frequent rewrites are
> rather rare). So defining what is usual when we don't have a single real
> case is kind of tough ;)

OK. E.g. usual workload on desktop, but FS like ext2/fat.
-- 
OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
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