[SSI] openssi/kernel/include/linux config.h,1.37,1.38

Update of /cvsroot/ssic-linux/openssi/kernel/include/linux
In directory sfp-cvsdas-3.v30.ch3.sourceforge.com:/tmp/cvs-serv8504/kernel/include/linux

Modified Files:
      Tag: OPENSSI-FC
	config.h 
Log Message:
IPC:
- Fix uninitialized iodb_timestamp.
- Fix ssi_growary() can cause array bounds violation when value of iodb_size is
  increased beyond the static size of object table.
- Fix ipcname_failover_data() dereferencing invalid ipc_obj structure; objp
  pointer is uninitialized.
- Fix shmem_svr_lookup() ignored cli_ipcname_getid() error and looked up id 0.
- Fix shmem_svr_lookup() always creates obj with id 0.

IPC (#ifdef SSI_IPC_OBJ_DB_LOCKLESS):
- Remove NSC_IPC_RD/WRLOCK() global object database mutex.
- Implement reference counting for ipc_obj structure.
- Implement lockless iodb_active[] traversal.
- Fix ipcname_failover_data() iodb_seq race with another objsvr_new() thread.
- Remove redundant objsvr_find_key() lookup's in ipcname_getid() path when
  objsvr_new() raced with another.

 cluster/ssi/cfs/cfs_ipcshm.c   |   15 -
 cluster/ssi/ipc/ipc.h          |   26 +
 cluster/ssi/ipc/namesvr_clnt.c |    6 
 cluster/ssi/ipc/namesvr_func.c |  463 ++++++++++++++++++++++++++++++++-
 include/linux/config.h         |    5 
 5 files changed, 495 insertions(+), 20 deletions(-)


Index: config.h
===================================================================
RCS file: /cvsroot/ssic-linux/openssi/kernel/include/linux/config.h,v
retrieving revision 1.37
retrieving revision 1.38
diff -u -d -r1.37 -r1.38
--- config.h	5 Mar 2010 06:15:04 -0000	1.37
+++ config.h	5 Mar 2010 06:25:36 -0000	1.38
@@ -360,6 +360,11 @@
 #  define CFS_DCACHE_KMEM_CACHE
 #endif
 
+#define SSI_IPC_OBJ_DB_LOCKLESS
+#ifdef SSI_IPC_OBJ_DB_LOCKLESS
+#  undef NSC_IPC_RWLOCK_DOWNGRADE
+#endif
+
 /*
  * High-Availability / Failover
  */


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