From: Andy Grover <agrover@redhat.com>
To: Christoph Hellwig <hch@infradead.org>
Cc: target-devel@vger.kernel.org, linux-scsi@vger.kernel.org
Subject: Re: [PATCH 11/15] target: WRITE_SAME_16 and WRITE_SAME_32 should be DATA_SG_IO cdbs
Date: Tue, 28 Jun 2011 13:40:18 -0700 [thread overview]
Message-ID: <4E0A3C32.6040604@redhat.com> (raw)
In-Reply-To: <20110628201402.GC9676@infradead.org>
On 06/28/2011 01:14 PM, Christoph Hellwig wrote:
> On Tue, Jun 28, 2011 at 12:29:33PM -0700, Andy Grover wrote:
>> The definition of what's a data and what's a control CDB is not
>> totally clear, but both of these set t_task_lba, so I'm inclined
>> to call them data CDBs.
>
> Currently DATA cdbs are those that get passes through to the
> backend (except for pscsi which gets all of them). As the backends
> can't handle WRITE_SAME this patch is incorrect.
Ah yes that makes sense, I'll delete this patch.
> I have a nice prototype to kill that whole DATA vs CONTROL flag thing,
> which will be much nicer after your series. Once the guts of your
> patches hit the tree I'll resubmit them.
Sounds really good. I was pondering if that was possible.
Thanks -- Regards -- Andy
next prev parent reply other threads:[~2011-06-28 20:40 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-28 19:29 [PATCH 0/15] Target updates for June 28 Andy Grover
2011-06-28 19:29 ` [PATCH 01/15] target: Remove ifdeffed code in t_g_process_write Andy Grover
2011-06-28 20:10 ` Christoph Hellwig
2011-06-28 20:50 ` Andy Grover
2011-06-28 19:29 ` [PATCH 02/15] target: Pass 2nd param of transport_split_cdb by value Andy Grover
2011-06-28 20:11 ` Christoph Hellwig
2011-06-28 19:29 ` [PATCH 03/15] target: Make all control CDBs scatter-gather Andy Grover
2011-06-28 20:22 ` Christoph Hellwig
2011-06-28 19:29 ` [PATCH 04/15] target: Disable rd_dr Andy Grover
2011-06-28 19:29 ` [PATCH 05/15] target: Eliminate usage of struct se_mem Andy Grover
2011-06-28 21:12 ` Christoph Hellwig
2011-06-28 23:22 ` Andy Grover
2011-06-28 19:29 ` [PATCH 06/15] target: Rename task_sg_num to task_sg_nents Andy Grover
2011-06-28 19:29 ` [PATCH 07/15] target: Remove custom debug macros for pr_debug. Use pr_err() Andy Grover
2011-06-28 19:29 ` [PATCH 08/15] target: Remove custom debug macros in non-iscsi fabrics Andy Grover
2011-06-28 19:29 ` [PATCH 09/15] target/iscsi: Remove iscsi_target_debug.h and usage of TRACE() & printk() Andy Grover
2011-06-28 19:29 ` [PATCH 10/15] target/iscsi: Remove SE_CMD macro Andy Grover
2011-06-28 19:29 ` [PATCH 11/15] target: WRITE_SAME_16 and WRITE_SAME_32 should be DATA_SG_IO cdbs Andy Grover
2011-06-28 20:14 ` Christoph Hellwig
2011-06-28 20:40 ` Andy Grover [this message]
2011-06-28 19:29 ` [PATCH 12/15] target: Set WSNZ=1 in block limits VPD. Abort if WRITE_SAME sectors = 0 Andy Grover
2011-06-28 19:29 ` [PATCH 13/15] target: Enforce 1 page max for control cdb buffer sizes Andy Grover
2011-06-28 20:15 ` Christoph Hellwig
2011-06-28 19:29 ` [PATCH 14/15] target: Remove direct ramdisk code Andy Grover
2011-06-28 21:15 ` Christoph Hellwig
2011-06-28 19:29 ` [PATCH 15/15] target: Remove transport do_se_mem_map callback Andy Grover
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