From: Christoph Hellwig <hch@infradead.org>
To: Sage Weil <sweil@redhat.com>
Cc: ceph-devel@vger.kernel.org
Subject: Re: NewStore update
Date: Sat, 21 Feb 2015 07:50:58 -0800 [thread overview]
Message-ID: <20150221155058.GA14888@infradead.org> (raw)
In-Reply-To: <alpine.DEB.2.00.1502191502030.14702@cobra.newdream.net>
On Thu, Feb 19, 2015 at 03:50:45PM -0800, Sage Weil wrote:
> - assemble the transaction
> - start any aio writes (we could use O_DIRECT here if the new hints
> include WONTNEED?)
Note that kernel aio only is async if you specifiy O_DIRECT, otherwise
io_submit will simply block.
next prev parent reply other threads:[~2015-02-21 15:50 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-19 23:50 NewStore update Sage Weil
2015-02-20 10:01 ` Haomai Wang
2015-02-20 15:00 ` Sage Weil
2015-02-20 16:16 ` Haomai Wang
2015-02-20 16:35 ` Mark Nelson
2015-02-21 15:50 ` Christoph Hellwig [this message]
2015-02-21 17:53 ` Sage Weil
2015-02-22 15:51 ` Christoph Hellwig
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