LKML Archive on
help / color / mirror / Atom feed
From: "Ed Lin" <>
To: "Michael Reed" <>
Cc: "linux-scsi" <>,
	"linux-kernel" <>,
	"james.Bottomley" <>,
	"jeff" <>,
	"Promise_Linux" <>
Subject: RE: [patch] scsi: use lock per host instead of per device for shared queue tag host
Date: Wed, 24 Jan 2007 15:33:57 -0800	[thread overview]
Message-ID: <> (raw)

> -----Original Message-----
> From: Michael Reed [] 
> Sent: Wednesday, January 24, 2007 7:59 AM
> To: Ed Lin
> Cc: linux-scsi; linux-kernel; james.Bottomley; jeff; Promise_Linux
> Subject: Re: [patch] scsi: use lock per host instead of per 
> device for shared queue tag host
> How 'bout a comment in scsh_host.h indicating that the 
> pointer will be NULL unless
> initialized by the driver?
> "Protect shared block queue tag" is unique to stex.  Perhaps 
> have no comment on
> the variable declaration in scsi_host.h and explain why you 
> use it in stex.
> Mike

Thanks for commenting. I agree more detailed explaination should
be better.

It seems another driver(qla4xxx) is also using shared queue tag.
It is natural to imagine there might be same symptom in that
driver. But I don't know the driver and have no hardware so I
can not say anything certain about it.

Ed Lin

             reply	other threads:[~2007-01-24 23:32 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-01-24 23:33 Ed Lin [this message]
2007-01-25  1:02 ` David Somayajulu
  -- strict thread matches above, loose matches on Subject: below --
2007-01-26  1:15 Ed Lin
2007-01-26  1:21 ` Jeff Garzik
2007-01-25  3:14 Ed Lin
2007-01-25 15:34 ` Jens Axboe
2007-01-25 15:47   ` Jens Axboe
2007-01-24  0:53 Ed Lin
2007-01-24 15:59 ` Michael Reed
2007-01-24 16:59 ` James Bottomley

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \ \ \ \ \ \ \ \ \
    --subject='RE: [patch] scsi: use lock per host instead of per device for shared queue tag host' \

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).