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From: Christoph Hellwig <hch@infradead.org>
To: Jan Kara <jack@suse.cz>
Cc: Christoph Hellwig <hch@infradead.org>,
	LKML <linux-kernel@vger.kernel.org>,
	linux-fsdevel@vger.kernel.org,
	Andrew Morton <akpm@linux-foundation.org>,
	Jens Axboe <jens.axboe@oracle.com>
Subject: Re: [PATCH] vfs: Fix sys_sync() and fsync_super() reliability
Date: Thu, 23 Apr 2009 09:09:46 -0400	[thread overview]
Message-ID: <20090423130946.GA3695@infradead.org> (raw)
In-Reply-To: <20090423130724.GA20896@duck.suse.cz>

On Thu, Apr 23, 2009 at 03:07:24PM +0200, Jan Kara wrote:
> > Another thing I want to do in this area is sort out the meaning of
> > write_super.  I'd really prefer to have every filesystem implement
> > ->sync_fs for actual data-integerity syncs, and only leave ->write_super
> > for the periodic writeouts, as the current implementation is extrenly
> > confusing and causes a lot of trouble for filesystems doing their own
> > periodic sb writeback.
>   Yes, that would be nice but I guess it's a partly a separate issue
> (and has to touch a lot of filesystems). I'll keep write_supers() call in
> the next version of the patch so that this split isn't made harded by it.

Yeah, separate issue.  We need to do this sync massaging in a couple of
small steps..

  reply	other threads:[~2009-04-23 13:09 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-04-22 15:56 [PATCH 0/2] Fix sys_sync() bug and slightly cleanup the code Jan Kara
2009-04-22 15:56 ` [PATCH] vfs: Fix sys_sync() and fsync_super() reliability Jan Kara
2009-04-22 17:16   ` Trond Myklebust
2009-04-22 17:23     ` Jan Kara
2009-04-23 11:10   ` Christoph Hellwig
2009-04-23 13:07     ` Jan Kara
2009-04-23 13:09       ` Christoph Hellwig [this message]
2009-04-22 15:56 ` [PATCH] vfs: Merge sync_supers(), sync_filesystems() and sync_blockdevs() Jan Kara
2009-04-22 17:20   ` Trond Myklebust
2009-04-23 11:06   ` Christoph Hellwig
2009-04-23 12:31   ` Christoph Hellwig

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