From: Bart Van Assche <bart.vanassche@sandisk.com>
To: Himanshu Madhani <himanshu.madhani@qlogic.com>,
target-devel@vger.kernel.org, nab@linux-iscsi.org
Cc: giridhar.malavali@qlogic.com, linux-scsi@vger.kernel.org,
Quinn Tran <quinn.tran@qlogic.com>
Subject: Re: [PATCH 3/4] qla2xxx: Add DebugFS node for target sess list.
Date: Thu, 4 Feb 2016 10:16:55 -0800 [thread overview]
Message-ID: <56B39597.2020405@sandisk.com> (raw)
In-Reply-To: <1454604319-27947-4-git-send-email-himanshu.madhani@qlogic.com>
On 02/04/2016 08:45 AM, Himanshu Madhani wrote:
> From: Quinn Tran <quinn.tran@qlogic.com>
>
> #cat /sys/kernel/debug/qla2xxx/qla2xxx_31/tgt_sess
> qla2xxx_31
> Port ID Port Name Handle
> ff:fc:01 21:fd:00:05:33:c7:ec:16 0
> 01:0e:00 21:00:00:24:ff:7b:8a:e4 1
> 01:0f:00 21:00:00:24:ff:7b:8a:e5 2
> ....
Hello Quinn and Himanshu,
The above information is not only useful to people who are debugging the
QLogic target driver but also to end users who want to check which
initiator ports have already logged in to a target port. Hence my
proposal to move this information from debugfs to another location (e.g.
configfs or sysfs). Users of other target drivers are probably also
interested in seeing which sessions are active. How about adding the
functionality for reporting session information per target port in the
LIO core in such a way that some attributes are available for all target
drivers (e.g. initiator port name, SCSI command statistics) and such
that target drivers can define additional attributes to exported for
each session (e.g. port ID, handle, ...).
Thanks,
Bart.
next prev parent reply other threads:[~2016-02-04 18:16 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-04 16:45 [PATCH 0/4] qla2xxx: Patches for target-pending branch Himanshu Madhani
2016-02-04 16:45 ` [PATCH 1/4] qla2xxx: Fix stale pointer access Himanshu Madhani
2016-02-04 16:45 ` [PATCH 2/4] qla2xxx: Use ATIO type to send correct tmr response Himanshu Madhani
2016-02-04 16:45 ` [PATCH 3/4] qla2xxx: Add DebugFS node for target sess list Himanshu Madhani
2016-02-04 18:16 ` Bart Van Assche [this message]
2016-02-05 17:26 ` Himanshu Madhani
2016-02-05 20:00 ` Bart Van Assche
2016-02-05 20:17 ` Giridhar Malavali
2016-02-07 4:44 ` Nicholas A. Bellinger
2016-02-07 4:40 ` Nicholas A. Bellinger
2016-02-07 5:00 ` Nicholas A. Bellinger
2016-02-09 18:01 ` Himanshu Madhani
2016-02-08 17:43 ` Himanshu Madhani
2016-02-09 5:49 ` Nicholas A. Bellinger
2016-02-09 21:30 ` Himanshu Madhani
2016-02-04 16:45 ` [PATCH 4/4] qla2xxx: Add DebugFS node to show irq vector's cpuid Himanshu Madhani
2016-02-04 18:20 ` Bart Van Assche
2016-02-05 18:49 ` Quinn Tran
2016-02-05 19:42 ` Bart Van Assche
2016-02-05 21:52 ` Quinn Tran
2016-02-07 4:31 ` [PATCH 0/4] qla2xxx: Patches for target-pending branch Nicholas A. Bellinger
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