linux-kernel - [PATCH] [Target_Core_Mod/ALUA]: Add group membership structure logic

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Date:	Wed, 11 Feb 2009 22:33:36 -0800
From:	"Nicholas A. Bellinger" <nab@...ux-iscsi.org>
To:	LKML <linux-kernel@...r.kernel.org>,
	linux-scsi <linux-scsi@...r.kernel.org>
Cc:	Douglas Gilbert <dgilbert@...erlog.com>,
	James Bottomley <James.Bottomley@...senPartnership.com>,
	Hannes Reinecke <hare@...e.de>,
	Mike Christie <michaelc@...wisc.edu>,
	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>,
	Christoph Hellwig <hch@....de>,
	Ming Zhang <blackmagic02881@...il.com>,
	"Ross S. W. Walker" <rswwalker@...il.com>,
	Arne Redlich <agr@...erkom-dd.de>
Subject: [PATCH] [Target_Core_Mod/ALUA]: Add group membership structure
	logic

Greetings all,

This patch series adds proper ALUA Logical Unit Group and Target Port Group membership
association to Target_Core_Mod/ConfigFS in a manner that can handle concurrent shutdown from
core/$HBA/$DEV/ <-> core/alua/lu_gps/$MY_LUN_GROUP and core/alua/tg_pt_gps/$MY_TG_PT_GROUP <->
$FABRIC_MOD/target_port/lun/$LUN/alua_tg_pt_gp.

This infrastructure is used as explict and implict ALUA group operations continue to come
online for Target_Core_Mod/ConfigFS v3.0.  This patch is made against lio-core-2.6.git/master
and tested on v2.6.29-rc2 x86 32-bit HVM.  The lio-core-2.6.git tree can be found at:

http://git.kernel.org/?p=linux/kernel/git/nab/lio-core-2.6.git;a=summary

[PATCH 1/2] [Target_Core_Mod/ALUA]: Add t10_alua_lu_gp_member_t usage for Logical Unit Groups
[PATCH 2/2] [Target_Core_Mod/ALUA]: Add t10_alua_tg_pt_gp_member_t usage for Target Port Groups

>>From /pub/scm/linux/kernel/git/nab/lio-core-2.6
 * branch            master     -> FETCH_HEAD
Updating 07c4589..b4a9bf6
Fast forward
 drivers/lio-core/target_core_alua.c      |  478 +++++++++++++++++++++---------
 drivers/lio-core/target_core_alua.h      |   21 +-
 drivers/lio-core/target_core_base.h      |   36 ++-
 drivers/lio-core/target_core_configfs.c  |  106 +++++---
 drivers/lio-core/target_core_device.c    |   19 +-
 drivers/lio-core/target_core_transport.c |   57 +++-
 6 files changed, 497 insertions(+), 220 deletions(-)

--nab

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