linux-kernel - [PATCH 3/4] GFS2: fix DLM depends to fix build errors

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Date:	Fri, 24 May 2013 14:37:34 +0100
From:	Steven Whitehouse <swhiteho@...hat.com>
To:	linux-kernel@...r.kernel.org, cluster-devel@...hat.com
Cc:	Randy Dunlap <rdunlap@...radead.org>,
	Steven Whitehouse <swhiteho@...hat.com>
Subject: [PATCH 3/4] GFS2: fix DLM depends to fix build errors

From: Randy Dunlap <rdunlap@...radead.org>

Fix build errors by correcting DLM dependencies in GFS2.
Build errors happen when CONFIG_GFS2_FS_LOCKING_DLM=y and CONFIG_DLM=m:

fs/built-in.o: In function `gfs2_lock':
file.c:(.text+0xc7abd): undefined reference to `dlm_posix_get'
file.c:(.text+0xc7ad0): undefined reference to `dlm_posix_unlock'
file.c:(.text+0xc7ad9): undefined reference to `dlm_posix_lock'
fs/built-in.o: In function `gdlm_unmount':
lock_dlm.c:(.text+0xd6e5b): undefined reference to `dlm_release_lockspace'
fs/built-in.o: In function `sync_unlock':
lock_dlm.c:(.text+0xd6e9e): undefined reference to `dlm_unlock'
fs/built-in.o: In function `sync_lock':
lock_dlm.c:(.text+0xd6fb6): undefined reference to `dlm_lock'
fs/built-in.o: In function `gdlm_put_lock':
lock_dlm.c:(.text+0xd7238): undefined reference to `dlm_unlock'
fs/built-in.o: In function `gdlm_mount':
lock_dlm.c:(.text+0xd753e): undefined reference to `dlm_new_lockspace'
lock_dlm.c:(.text+0xd79d3): undefined reference to `dlm_release_lockspace'
fs/built-in.o: In function `gdlm_lock':
lock_dlm.c:(.text+0xd8179): undefined reference to `dlm_lock'
fs/built-in.o: In function `gdlm_cancel':
lock_dlm.c:(.text+0xd6b22): undefined reference to `dlm_unlock'

Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Signed-off-by: Steven Whitehouse <swhiteho@...hat.com>

diff --git a/fs/gfs2/Kconfig b/fs/gfs2/Kconfig
index eb08c9e..5a376ab 100644
--- a/fs/gfs2/Kconfig
+++ b/fs/gfs2/Kconfig
@@ -26,7 +26,7 @@ config GFS2_FS
 config GFS2_FS_LOCKING_DLM
 	bool "GFS2 DLM locking"
 	depends on (GFS2_FS!=n) && NET && INET && (IPV6 || IPV6=n) && \
-		HOTPLUG && DLM && CONFIGFS_FS && SYSFS
+		HOTPLUG && CONFIGFS_FS && SYSFS && (DLM=y || DLM=GFS2_FS)
 	help
 	  Multiple node locking module for GFS2
 
-- 
1.7.4

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