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Date: Tue, 12 Apr 2011 00:40:18 -0400 From: Christoph Hellwig <hch@...radead.org> To: Ted Ts'o <tytso@....edu> Cc: Christoph Hellwig <hch@...radead.org>, Mark Busheman <markbusheman@...il.com>, linux-ext4@...r.kernel.org Subject: Re: Does ext4 send FUA to flush disk cache 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@...il.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@...il.com> Signed-off-by: Jens Axboe <axboe@...e.de> commit 007365ad60387df30f02f01fdc2b6e6432f6c265 Author: Tejun Heo <htejun@...il.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@...il.com> Signed-off-by: Jens Axboe <axboe@...e.de> -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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