From: James Bottomley <James.Bottomley@SteelEye.com>
To: Andrew Vasquez <andrew.vasquez@qlogic.com>
Cc: Linux-SCSI Mailing List <linux-scsi@vger.kernel.org>
Subject: RE: PATCH [3/5] qla2xxx: TCQ fixes
Date: 13 Jul 2004 12:43:23 -0500 [thread overview]
Message-ID: <1089740604.1798.54.camel@mulgrave> (raw)
In-Reply-To: <B179AE41C1147041AA1121F44614F0B0DD02FD@AVEXCH02.qlogic.org>
On Tue, 2004-07-13 at 12:24, Andrew Vasquez wrote:
> Ok, I'll bite. What did you have in mind? I've taken a quick peek
> through the scsi code, the per-hba tag stuff must still be in your
> head...
Well, it exsits in the block layer (the ability to specify an existing
tag map to blk_queue_init_tags(). Jens is going to expose a bit more of
the tag map machinary to make that useful, then for host global tags,
we'll generate a single tag map and share it amongst all the queues.
> Just a small comment, isn't the scsi_populate_tag_msg() function
> quietly truncating the request->tag value?
Not for SPI, no. However, we probably need a different API for the
sixteen bit tag values FC can use?
James
next prev parent reply other threads:[~2004-07-13 17:43 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-07-13 17:24 PATCH [3/5] qla2xxx: TCQ fixes Andrew Vasquez
2004-07-13 17:43 ` James Bottomley [this message]
-- strict thread matches above, loose matches on Subject: below --
2004-07-12 14:05 Andrew Vasquez
2004-07-12 21:41 ` James Bottomley
2004-07-13 0:19 ` Mike Christie
2004-07-13 2:28 ` Brian King
2004-07-13 14:29 ` James Bottomley
2004-07-13 14:27 ` James Bottomley
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