From: Christoph Hellwig <hch@infradead.org>
To: cluster-devel.redhat.com
Subject: [Cluster-devel] fallocate vs O_(D)SYNC
Date: Wed, 16 Nov 2011 08:42:34 -0500 [thread overview]
Message-ID: <20111116134234.GA24258@infradead.org> (raw)
In-Reply-To: <20111116133915.GD8195@quack.suse.cz>
On Wed, Nov 16, 2011 at 02:39:15PM +0100, Jan Kara wrote:
> > This would work fine with XFS and be equivalent to what it does for
> > O_DSYNC now. But I'd rather see every filesystem do the right thing
> > and make sure the update actually is on disk when doing O_(D)SYNC
> > operations.
> OK, I don't really have a strong opinion here. Are you afraid that just
> calling fsync() need not be enough to push all updates fallocate did to
> disk?
No, the point is that you should not have to call fsync when doing
O_SYNC I/O. That's the whole point of it.
next prev parent reply other threads:[~2011-11-16 13:42 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-16 8:42 [Cluster-devel] fallocate vs O_(D)SYNC Christoph Hellwig
2011-11-16 9:43 ` Steven Whitehouse
2011-11-16 10:54 ` Jan Kara
2011-11-16 11:20 ` Steven Whitehouse
2011-11-16 12:45 ` Christoph Hellwig
2011-11-16 13:39 ` Jan Kara
2011-11-16 13:42 ` Christoph Hellwig [this message]
2011-11-16 15:57 ` Jan Kara
2011-11-16 16:16 ` Christoph Hellwig
[not found] ` <20111116161806.GP29279@shiny>
[not found] ` <20111116193540.GL23779@wotan.suse.de>
[not found] ` <20111116200310.GN23779@wotan.suse.de>
2011-11-17 10:16 ` Joel Becker
2011-11-18 12:09 ` Steven Whitehouse
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