From: Jeff Garzik <jeff@garzik.org>
To: Matthew Wilcox <matthew@wil.cx>
Cc: "Nicholas A. Bellinger" <nab@linux-iscsi.org>,
linux-scsi <linux-scsi@vger.kernel.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
James Bottomley <James.Bottomley@suse.de>,
Christoph Hellwig <hch@lst.de>,
FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>,
Hannes Reinecke <hare@suse.de>,
Mike Christie <michaelc@cs.wisc.edu>,
Mike Anderson <andmike@linux.vnet.ibm.com>,
Tejun Heo <tj@kernel.org>, Vasu Dev <vasu.dev@linux.intel.com>,
Tim Chen <tim.c.chen@linux.intel.com>,
Andi Kleen <ak@linux.intel.com>,
Ravi Anand <ravi.anand@qlogic.com>,
Andrew Vasquez <andrew.vasquez@qlogic.com>,
Joe Eykholt <jeykholt@cisco.com>,
James Smart <james.smart@emulex.com>,
Douglas Gilbert <dgilbert@interlog.com>,
adam radford <aradford@gmail.com>,
Kashyap Desai <Kashyap.Desai@lsi.com>,
MPTFusionLinux <DL-MPTFusionLinux@lsi.com>
Subject: Re: [PATCH 07/12] qla2xxx: Convert to host_lock less w/ interrupts disabled externally
Date: Sun, 19 Dec 2010 19:19:10 -0500 [thread overview]
Message-ID: <4D0EA0FE.4090104@garzik.org> (raw)
In-Reply-To: <20101219231114.GI1263@parisc-linux.org>
On 12/19/2010 06:11 PM, Matthew Wilcox wrote:
> I'm not sure this is the right direction to go. Now that Jeff's done
> the pushdown and put in the compatibility macros, I don't think it makes
> sense to do another partial transition on each driver. Much better to
> take our time, analyse each driver thoroughly, and kill the DEF_SCSI_QCMD
> in each driver without introducing IRQ_DISABLE_SCSI_QCMD.
Agreed... DEF_SCSI_QCMD was intended, as you note, to encourage a
piecemeal, in-depth approach to cleaning up the rest of the drivers.
Hopefully DEF_SCSI_QCMD removal means someone actually figured out [or
already knew] the locking for a driver, and created the most appropriate
patch, rather than another half-step.
Jeff
next prev parent reply other threads:[~2010-12-20 0:19 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-19 21:21 [PATCH 00/12] LLD host_lock-less conversion status for .38 Nicholas A. Bellinger
2010-12-19 21:21 ` [PATCH 01/12] libiscsi: Convert to host_lock less w/ interrupts disabled internally Nicholas A. Bellinger
2010-12-19 23:38 ` Matthew Wilcox
2010-12-20 1:15 ` Nicholas A. Bellinger
2010-12-20 1:22 ` Nicholas A. Bellinger
2010-12-20 2:07 ` Matthew Wilcox
2010-12-20 9:30 ` Nicholas A. Bellinger
2010-12-21 0:36 ` Mike Christie
2010-12-23 21:23 ` Nicholas A. Bellinger
2010-12-27 3:44 ` Mike Christie
2010-12-21 0:42 ` Mike Christie
2010-12-21 10:53 ` Boaz Harrosh
2010-12-21 23:43 ` Mike Christie
2010-12-23 21:33 ` Nicholas A. Bellinger
2010-12-19 21:21 ` [PATCH 02/12] scsi: Add IRQ_DISABLE_SCSI_QCMD wrapper Nicholas A. Bellinger
2010-12-20 10:48 ` Christoph Hellwig
2010-12-19 21:21 ` [PATCH 03/12] libsas: Convert to host_lock less w/ interrupts disabled externally Nicholas A. Bellinger
2010-12-20 8:58 ` Boaz Harrosh
2010-12-20 9:33 ` Nicholas A. Bellinger
2010-12-19 21:21 ` [PATCH 04/12] message: " Nicholas A. Bellinger
2010-12-19 21:22 ` [PATCH 05/12] fnic: " Nicholas A. Bellinger
2010-12-19 21:22 ` [PATCH 06/12] lpfc: " Nicholas A. Bellinger
2010-12-19 21:22 ` [PATCH 07/12] qla2xxx: " Nicholas A. Bellinger
2010-12-19 23:11 ` Matthew Wilcox
2010-12-20 0:19 ` Jeff Garzik [this message]
2010-12-20 1:07 ` Nicholas A. Bellinger
2010-12-20 9:23 ` Nicholas A. Bellinger
2010-12-21 0:37 ` Madhu Iyengar
2010-12-23 21:49 ` Nicholas A. Bellinger
2010-12-19 21:22 ` [PATCH 08/12] qla4xxx: " Nicholas A. Bellinger
2010-12-19 21:22 ` [PATCH 09/12] scsi_debug: Convert to host_lock less Nicholas A. Bellinger
2010-12-19 21:22 ` [PATCH 10/12] megaraid_sas: Add smp_mb__after_atomic_*() for instance->fw_outstanding Nicholas A. Bellinger
2010-12-19 21:22 ` [PATCH 11/12] megaraid_sas: Convert instance->issuepend_done to atomic_t Nicholas A. Bellinger
2010-12-19 21:22 ` [PATCH 12/12] megaraid_sas: Convert SHT->queuecommand() to run host_lock-less Nicholas A. Bellinger
2010-12-20 15:08 ` [PATCH 00/12] LLD host_lock-less conversion status for .38 Desai, Kashyap
2010-12-20 19:33 ` adam radford
2010-12-23 21:17 ` Nicholas A. Bellinger
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