From: Christoph Hellwig <hch@infradead.org>
To: Ted Ts'o <tytso@mit.edu>
Cc: Christoph Hellwig <hch@infradead.org>,
Mark Busheman <markbusheman@gmail.com>,
linux-ext4@vger.kernel.org
Subject: Re: Does ext4 send FUA to flush disk cache
Date: Tue, 12 Apr 2011 00:40:18 -0400 [thread overview]
Message-ID: <20110412044018.GA4245@infradead.org> (raw)
In-Reply-To: <20110412021423.GC3682@thunk.org>
On Mon, Apr 11, 2011 at 10:14:23PM -0400, Ted Ts'o wrote:
> Ah, Jens pushed a patch that I hadn't noticed that appears to
> optionally use FUA for the commit block. Thanks for pointing that
> out.
The commits actually are from Tejun:
commit 797e7dbbee0a91fa1349192f18ad5c454997d876
Author: Tejun Heo <htejun@gmail.com>
Date: Fri Jan 6 09:51:03 2006 +0100
[BLOCK] reimplement handling of barrier request
Reimplement handling of barrier requests.
* Flexible handling to deal with various capabilities of
target devices.
* Retry support for falling back.
* Tagged queues which don't support ordered tag can do ordered.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jens Axboe <axboe@suse.de>
commit 007365ad60387df30f02f01fdc2b6e6432f6c265
Author: Tejun Heo <htejun@gmail.com>
Date: Fri Jan 6 09:53:52 2006 +0100
[BLOCK] scsi: add FUA support to sd
Add FUA support for barriers to SCSI disk.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jens Axboe <axboe@suse.de>
prev parent reply other threads:[~2011-04-12 4:40 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-08 22:02 Does ext4 send FUA to flush disk cache Mark Busheman
2011-04-10 12:17 ` Theodore Tso
2011-04-11 18:23 ` Mark Busheman
2011-04-11 18:44 ` Ted Ts'o
2011-04-11 21:18 ` Mark Busheman
2011-04-11 23:16 ` Christoph Hellwig
2011-04-12 2:14 ` Ted Ts'o
2011-04-12 4:40 ` Christoph Hellwig [this message]
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