linux-kernel - [PATCH 14/14] DRBD: final

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Message-Id: <1239365545-10356-15-git-send-email-philipp.reisner@linbit.com>
Date:	Fri, 10 Apr 2009 14:12:25 +0200
From:	Philipp Reisner <philipp.reisner@...bit.com>
To:	linux-kernel@...r.kernel.org
Cc:	Jens Axboe <jens.axboe@...cle.com>, Greg KH <gregkh@...e.de>,
	Neil Brown <neilb@...e.de>,
	James Bottomley <James.Bottomley@...senPartnership.com>,
	Andi Kleen <andi@...stfloor.org>,
	Sam Ravnborg <sam@...nborg.org>, Dave Jones <davej@...hat.com>,
	Nikanth Karthikesan <knikanth@...e.de>,
	"Lars Marowsky-Bree" <lmb@...e.de>,
	"Nicholas A. Bellinger" <nab@...ux-iscsi.org>,
	Lars Ellenberg <lars.ellenberg@...bit.com>,
	Philipp Reisner <philipp.reisner@...bit.com>
Subject: [PATCH 14/14] DRBD: final

Kconfig integration and Makefile

Signed-off-by: Philipp Reisner <philipp.reisner@...bit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@...bit.com>

---
diff -uNrp linux-2.6.30-rc1/drivers/block/Kconfig linux-2.6.30-rc1-drbd/drivers/block/Kconfig
--- linux-2.6.30-rc1/drivers/block/Kconfig	2009-04-07 23:25:01.000000000 +0200
+++ linux-2.6.30-rc1-drbd/drivers/block/Kconfig	2009-04-10 13:13:43.178491859 +0200
@@ -271,6 +271,8 @@ config BLK_DEV_CRYPTOLOOP
 	  instead, which can be configured to be on-disk compatible with the
 	  cryptoloop device.
 
+source "drivers/block/drbd/Kconfig"
+
 config BLK_DEV_NBD
 	tristate "Network block device support"
 	depends on NET
diff -uNrp linux-2.6.30-rc1/drivers/block/Makefile linux-2.6.30-rc1-drbd/drivers/block/Makefile
--- linux-2.6.30-rc1/drivers/block/Makefile	2009-04-07 23:25:01.000000000 +0200
+++ linux-2.6.30-rc1-drbd/drivers/block/Makefile	2009-04-10 13:13:43.166492009 +0200
@@ -37,3 +37,4 @@ obj-$(CONFIG_BLK_DEV_HD)	+= hd.o
 obj-$(CONFIG_XEN_BLKDEV_FRONTEND)	+= xen-blkfront.o
 
 swim_mod-objs	:= swim.o swim_asm.o
+obj-$(CONFIG_BLK_DEV_DRBD)     += drbd/
diff -uNrp linux-2.6.30-rc1/drivers/block/drbd/Kconfig linux-2.6.30-rc1-drbd/drivers/block/drbd/Kconfig
--- linux-2.6.30-rc1/drivers/block/drbd/Kconfig	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.30-rc1-drbd/drivers/block/drbd/Kconfig	2009-04-01 12:07:38.936194000 +0200
@@ -0,0 +1,37 @@
+#
+# DRBD device driver configuration
+#
+
+comment "DRBD disabled because PROC_FS, INET or CONNECTOR not selected"
+	depends on !PROC_FS || !INET || !CONNECTOR
+
+config BLK_DEV_DRBD
+	tristate "DRBD Distributed Replicated Block Device support"
+	depends on PROC_FS && INET && CONNECTOR
+	help
+
+	  NOTE: In order to authenticate connections you have to select
+	  CRYPTO_HMAC and a hash function as well.
+
+	  DRBD is a shared-nothing, synchronously replicated block device. It
+	  is designed to serve as a building block for high availability
+	  clusters and in this context, is a "drop-in" replacement for shared
+	  storage. Simplistically, you could see it as a network RAID 1.
+
+	  Each minor device has a role, which can be 'primary' or 'secondary'.
+	  On the node with the primary device the application is supposed to
+	  run and to access the device (/dev/drbdX). Every write is sent to
+	  the local 'lower level block device' and, across the network, to the
+	  node with the device in 'secondary' state.  The secondary device
+	  simply writes the data to its lower level block device.
+
+	  DRBD can also be used in dual-Primary mode (device writable on both
+	  nodes), which means it can exhibit shared disk semantics in a
+	  shared-nothing cluster.  Needless to say, on top of dual-Primary
+	  DRBD utilizing a cluster file system is necessary to maintain for
+	  cache coherency.
+
+	  For automatic failover you need a cluster manager (e.g. heartbeat).
+	  See also: http://www.drbd.org/, http://www.linux-ha.org
+
+	  If unsure, say N.
diff -uNrp linux-2.6.30-rc1/drivers/block/drbd/Makefile linux-2.6.30-rc1-drbd/drivers/block/drbd/Makefile
--- linux-2.6.30-rc1/drivers/block/drbd/Makefile	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.30-rc1-drbd/drivers/block/drbd/Makefile	2009-04-10 13:13:43.058491920 +0200
@@ -0,0 +1,5 @@
+drbd-y := drbd_buildtag.o drbd_bitmap.o drbd_proc.o
+drbd-y += drbd_worker.o drbd_receiver.o drbd_req.o drbd_actlog.o
+drbd-y += lru_cache.o drbd_main.o drbd_strings.o drbd_nl.o
+
+obj-$(CONFIG_BLK_DEV_DRBD)     += drbd.o
--
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