From: Jeff Garzik <jgarzik@pobox.com>
To: Tejun Heo <htejun@gmail.com>
Cc: axboe@suse.de, James.Bottomley@steeleye.com, bzolnier@gmail.com,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH Linux 2.6.12-rc5-mm1 00/06] blk: barrier flushing reimplementation
Date: Sun, 29 May 2005 13:37:02 -0400 [thread overview]
Message-ID: <4299FDBE.8080806@pobox.com> (raw)
In-Reply-To: <20050529042034.5FF4CF1C@htj.dyndns.org>
Tejun Heo wrote:
> 05_blk_scsi_turn_on_flushing_by_default.patch
> : turn on QUEUE_ORDERED_FLUSH by default if ordered tag isn't supported
>
> As flushing can now be used by devices which only support
> simple tags, there's no need to use
> Scsi_Host_Template->ordered_flush to enable it selectively.
> This patch removes ->ordered_flush and enables flushing
> implicitly when ordered tag isn't supported. If the device
> doesn't support flushing, it can just return -EOPNOTSUPP for
> flush requests. blk layer will switch to QUEUE_OREDERED_NONE
> automatically.
This is rather nice...
Jeff
next prev parent reply other threads:[~2005-05-29 17:37 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-05-29 4:23 [PATCH Linux 2.6.12-rc5-mm1 00/06] blk: barrier flushing reimplementation Tejun Heo
2005-05-29 4:23 ` [PATCH Linux 2.6.12-rc5-mm1 01/06] blk: add @uptodate to end_that_request_last() and @error to rq_end_io_fn() Tejun Heo
2005-05-29 4:23 ` [PATCH Linux 2.6.12-rc5-mm1 02/06] blk: make scsi use -EOPNOTSUPP instead of -EIO on ILLEGAL_REQUEST Tejun Heo
2005-05-29 4:23 ` [PATCH Linux 2.6.12-rc5-mm1 03/06] blk: make ide use -EOPNOTSUPP instead of -EIO on ABRT_ERR Tejun Heo
2005-05-29 4:23 ` [PATCH Linux 2.6.12-rc5-mm1 04/06] blk: reimplement QUEUE_OREDERED_FLUSH Tejun Heo
2005-05-29 9:54 ` Tejun Heo
2005-05-29 4:23 ` [PATCH Linux 2.6.12-rc5-mm1 05/06] blk: turn on QUEUE_ORDERED_FLUSH by default if ordered tag isn't supported Tejun Heo
2005-05-29 4:23 ` [PATCH Linux 2.6.12-rc5-mm1 06/06] blk: debug messages Tejun Heo
2005-05-29 17:37 ` Jeff Garzik [this message]
2005-05-29 19:14 ` [PATCH Linux 2.6.12-rc5-mm1 00/06] blk: barrier flushing reimplementation Jens Axboe
2005-05-30 11:31 ` Jens Axboe
2005-05-30 19:38 ` Tejun Heo
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