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[Cluster-devel] Cluster Project branch, master, updated. gfs-kernel_0_1_22-167-gf3dea8c



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- Log -----------------------------------------------------------------
commit f3dea8c306d68a8ae7a136374cdebb98b97bb06c
Author: Fabio M. Di Nitto <fabbione fabbione net>
Date:   Tue Apr 15 05:39:30 2008 +0200

    [GROUP] Fix building with standard kernels
    
    > From: David Teigland <teigland redhat com>
    > Subject: [Cluster-devel] kernel for building master
    
    > This commit assumes dlm kernel changes that are only available in
    > linux-next or linux-mm (linux/dlm_plock.h).  This goes against our aim to
    > keep master building against -rc kernels by default, so the following
    > patch disables the relevant part for now.  Fabio has said he may turn this
    > ifdef into something more sophisticated.
    
    Apply patch from David to allow dlm_controld to build again
    against vanilla kernels.
    
    Change the patch to use the EXPERIMENTAL_BUILD infrastructure.
    
    Cleanup a couple of typos from the patch.
    
    Signed-off-by: David Teigland <teigland redhat com>
    Signed-off-by: Fabio M. Di Nitto <fabbione fabbione net>

commit 70075fe6249823a33a59e5477b4c75db4e2a3e51
Author: Fabio M. Di Nitto <fabbione fabbione net>
Date:   Tue Apr 15 05:33:43 2008 +0200

    [BUILD] Set automatically cflags when building experimental bits
    
    Signed-off-by: Fabio M. Di Nitto <fabbione fabbione net>

commit 55cb88bb22079079d44be1a7d8f729fca1698d8d
Author: Fabio M. Di Nitto <fabbione fabbione net>
Date:   Tue Apr 15 05:30:02 2008 +0200

    [BUILD] Fix typo
    
    Signed-off-by: Fabio M. Di Nitto <fabbione fabbione net>

commit 83c943f9024e0f790cb6e18cef8d1cf6ea321e14
Author: Fabio M. Di Nitto <fabbione fabbione net>
Date:   Tue Apr 15 05:22:46 2008 +0200

    [BUILD] Add --enable_crack_of_the_day configure option
    
    This option should NEVER be used lightly and it's there as facility
    for developers that need/want to commit experimental code that,
    for one reason or another, is not ready for general use or it depends
    on other code that is not available mainline yet.
    
    Signed-off-by: Fabio M. Di Nitto <fabbione fabbione net>

-----------------------------------------------------------------------

Summary of changes:
 configure                  |   16 +++++++++++++++-
 group/dlm_controld/main.c  |    2 ++
 group/dlm_controld/plock.c |   19 +++++++++++++++++++
 make/defines.mk.input      |    1 +
 4 files changed, 37 insertions(+), 1 deletions(-)

diff --git a/configure b/configure
index 1b65c70..82268c6 100755
--- a/configure
+++ b/configure
@@ -83,6 +83,7 @@ my %options = (
 	fence_agents => \$fence_agents,
 	fencelibdir => \$fencelibdir,
 	enable_experimental_fence_agents => \$enable_experimental_fence_agents,
+	enable_crack_of_the_day => \$enable_crack_of_the_day,
 	enable_xen => \$enable_xen,
 	somajor => \$somajor,
 	sominor => \$sominor,
@@ -155,6 +156,7 @@ my $err = &GetOptions (\%options,
 		    'fence_agents=s',
 		    'fencelibdir=s',
 		    'enable_experimental_fence_agents',
+		    'enable_crack_of_the_day',
 		    'enable_xen',
 		    'without_ccs',
 		    'without_cman',
@@ -230,6 +232,7 @@ if ($help || !$err) {
   print "\t\tUse --fence_agents=help for a list\n";
   print "--fencelibdir=\tspecify directory where to install common fence python lib.  (Default: /usr/lib/fence)\n";
   print "--enable_experimental_fence_agents\tEnable build and install of experimental fence agents.  (Default: no)\n";
+  print "--enable_crack_of_the_day\tEnable build of highly experimental features that rely on code that is not yet available for general use. (Default: no)\n";
   print "--enable_xen\tEnable building of Xen-specific pieces\n";
   print "--without_ccs\tDisable ccs building  (Default: enabled)\n";
   print "--without_cman\tDisable cman building  (Default: enabled)\n";
@@ -240,7 +243,7 @@ if ($help || !$err) {
   print "--without_gfs2\tDisable gfs2 building  (Default: enabled)\n";
   print "--without_gnbd\tDisable gnbd building  (Default: enabled)\n";
   print "--without_rgmanager\tDisable rgmanager building  (Default: enabled)\n";
-  print "--disable_kernel_check\tDisable kernel version check (default: enabled)\n";
+  print "--disable_kernel_check\tDisable kernel version check (Default: enabled)\n";
   exit $ret;
 }
 
@@ -523,6 +526,16 @@ if (!$fencelibdir) {
 if (!$enable_experimental_fence_agents) {
   $enable_experimental_fence_agents="";
 }
+if (!$enable_crack_of_the_day) {
+  $enable_crack_of_the_day="";
+} else {
+  print "\n********************************************************************************************\n";
+  print "WARNING: *you* have explicitly enabled all possible experimental features under development!\n";
+  print "         This code will have no mercy for your data and your machines. You have been warned!\n";
+  print "\n********************************************************************************************\n";
+  $enable_experimental_fence_agents=1;
+  $cflags="${cflags} -DEXPERIMENTAL_BUILD";
+}
 if (!$enable_xen) {
   $enable_xen="";
 }
@@ -642,6 +655,7 @@ while (<IFILE>) {
   $_ =~ s/\ FENCE_AGENTS\@/$fence_agents/;
   $_ =~ s/\ FENCELIBDIR\@/$fencelibdir/;
   $_ =~ s/\ ENABLE_EXPERIMENTAL_FENCE_AGENTS\@/$enable_experimental_fence_agents/;
+  $_ =~ s/\ ENABLE_CRACK_OF_THE_DAY\@/$enable_crack_of_the_day/;
   $_ =~ s/\ ENABLE_XEN\@/$enable_xen/;
   $_ =~ s/\ DISABLE_CCS\@/$without_ccs/;
   $_ =~ s/\ DISABLE_CMAN\@/$without_cman/;
diff --git a/group/dlm_controld/main.c b/group/dlm_controld/main.c
index b954f53..a3f3012 100644
--- a/group/dlm_controld/main.c
+++ b/group/dlm_controld/main.c
@@ -546,11 +546,13 @@ static int loop(void)
 			setup_deadlock();
 		}
 
+#ifdef EXPERIMENTAL_BUILD
 		rv = setup_plocks();
 		if (rv < 0)
 			goto out;
 		plock_fd = rv;
 		plock_ci = client_add(rv, process_plocks, NULL);
+#endif /* EXPERIMENTAL_BUILD */
 	}
 
 	for (;;) {
diff --git a/group/dlm_controld/plock.c b/group/dlm_controld/plock.c
index 4dc38ac..5f8d4ce 100644
--- a/group/dlm_controld/plock.c
+++ b/group/dlm_controld/plock.c
@@ -12,6 +12,8 @@
 
 #include "dlm_daemon.h"
 #include "config.h"
+
+#ifdef EXPERIMENTAL_BUILD
 #include <linux/dlm_plock.h>
 
 #define PROC_MISC               "/proc/misc"
@@ -2293,3 +2295,20 @@ int dump_plocks(char *name, int fd)
 	return 0;
 }
 
+#else /* EXPERIMENTAL_BUILD */
+
+int setup_plocks(void) { return 0; };
+void process_plocks(int ci) { };
+int limit_plocks(void) { return 0; };
+void receive_plock(struct lockspace *ls, struct dlm_header *hd, int len) { };
+void receive_own(struct lockspace *ls, struct dlm_header *hd, int len) { };
+void receive_sync(struct lockspace *ls, struct dlm_header *hd, int len) { };
+void receive_drop(struct lockspace *ls, struct dlm_header *hd, int len) { };
+void process_saved_plocks(struct lockspace *ls) { };
+void close_plock_checkpoint(struct lockspace *ls) { };
+void store_plocks(struct lockspace *ls) { };
+void retrieve_plocks(struct lockspace *ls) { };
+void purge_plocks(struct lockspace *ls, int nodeid, int unmount) { };
+int dump_plocks(char *name, int fd) { return 0; };
+
+#endif /* EXPERIMENTAL_BUILD */
diff --git a/make/defines.mk.input b/make/defines.mk.input
index 1ea77f4..acbbe36 100644
--- a/make/defines.mk.input
+++ b/make/defines.mk.input
@@ -68,6 +68,7 @@ virtlibdir ?= @VIRTLIBDIR@
 fence_agents ?= @FENCE_AGENTS@
 fencelibdir ?= @FENCELIBDIR@
 enable_experimental_fence_agents ?= @ENABLE_EXPERIMENTAL_FENCE_AGENTS@
+experimental_build ?= @ENABLE_CRACK_OF_THE_DAY@
 enable_xen ?= @ENABLE_XEN@
 without_gnbd-kernel/src ?= @DISABLE_GNBD@
 without_gfs-kernel/src/gfs ?= @DISABLE_GFS@


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