From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jens Axboe Subject: Re: [ANNOUNCE] megaraid 2.00.6 patch for kernels without hostlock Date: Thu, 31 Jul 2003 11:05:34 +0200 Sender: linux-kernel-owner@vger.kernel.org Message-ID: <20030731090534.GF22104@suse.de> References: <0E3FA95632D6D047BA649F95DAB60E570230C551@EXA-ATLANTA.se.lsil.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <0E3FA95632D6D047BA649F95DAB60E570230C551@EXA-ATLANTA.se.lsil.com> To: "Bagalkote, Sreenivas" Cc: "'linux-kernel@vger.kernel.org'" , "'linux-scsi@vger.kernel.org'" , "'linux-megaraid-devel@dell.com'" List-Id: linux-scsi@vger.kernel.org On Wed, Jul 30 2003, Bagalkote, Sreenivas wrote: > Please apply this patch to megaraid 2.00.6 driver for kernels that don't > support per host lock. This can be found at : > > ftp://ftp.lsil.com/pub/linux-megaraid/drivers/version-2.00.6/ It's easily possible to keep the impact of maintaining a driver across such kernels a lot smaller, by simply using the same lock in the spin_lock calls and just assign that lock to adapter->lock or io_request_lock depending on the kernel. -- Jens Axboe