From: Christoph Hellwig <hch@infradead.org>
To: Hannes Reinecke <hare@suse.de>
Cc: Christoph Hellwig <hch@infradead.org>,
James Bottomley <jbottomley@parallels.com>,
linux-scsi@vger.kernel.org
Subject: Re: [PATCH 2/5] scsi_scan: Restrict sequential scan to 256 LUNs
Date: Fri, 28 Mar 2014 05:47:47 -0700 [thread overview]
Message-ID: <20140328124747.GA18866@infradead.org> (raw)
In-Reply-To: <53353137.2050603@suse.de>
On Fri, Mar 28, 2014 at 01:22:15AM -0700, Hannes Reinecke wrote:
> Because there is no guarantee that pre-SCSI-3 devices (or devices
> announcing to be pre-SCSI-3) will not allow to scan more than 256
> devices.
> Thinking of older Symmetrix here with their weird 'SPC-3 masking as
> SCSI-2' habit.
Don't we have a blist entry for those to use REPORT LUNS anyway?
>
> Also currently we're allowing to scan beyond 256 without any
> restrictions there might be installations out there which rely on
> this behaviour.
>
> Hence this flag.
Which doesn't really have an effect as-is as it's never set.
next prev parent reply other threads:[~2014-03-28 12:47 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-10 11:05 [PATCH 0/5][RFC] Support 64-bit LUNs Hannes Reinecke
2013-12-10 11:05 ` [PATCH 1/5] scsi: Remove CONFIG_SCSI_MULTI_LUN Hannes Reinecke
2014-03-27 14:47 ` Christoph Hellwig
2013-12-10 11:05 ` [PATCH 2/5] scsi_scan: Restrict sequential scan to 256 LUNs Hannes Reinecke
2014-03-27 14:49 ` Christoph Hellwig
2014-03-28 8:22 ` Hannes Reinecke
2014-03-28 12:47 ` Christoph Hellwig [this message]
2014-03-28 13:19 ` Hannes Reinecke
2013-12-10 11:05 ` [PATCH 3/5] qla2xxx: Restrict max_luns to 16-bit for older HBAs Hannes Reinecke
2013-12-10 18:26 ` Chad Dupuis
2014-05-15 6:38 ` Christoph Hellwig
2014-05-15 8:47 ` Hannes Reinecke
2013-12-10 11:05 ` [PATCH 4/5] scsi: use 64-bit LUNs Hannes Reinecke
2014-03-27 14:52 ` Christoph Hellwig
2013-12-10 11:05 ` [PATCH 5/5] scsi: use 64-bit value for 'max_luns' Hannes Reinecke
2014-03-27 14:52 ` Christoph Hellwig
2014-05-15 6:38 ` [PATCH 0/5][RFC] Support 64-bit LUNs Christoph Hellwig
2014-05-15 6:57 ` Hannes Reinecke
-- strict thread matches above, loose matches on Subject: below --
2014-05-20 11:03 [PATCHv2 0/5] " Hannes Reinecke
2014-05-20 11:03 ` [PATCH 2/5] scsi_scan: Restrict sequential scan to 256 LUNs Hannes Reinecke
2014-05-22 9:08 ` Christoph Hellwig
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:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20140328124747.GA18866@infradead.org \
--to=hch@infradead.org \
--cc=hare@suse.de \
--cc=jbottomley@parallels.com \
--cc=linux-scsi@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.