[SSI] openssi/kernel/include/linux config.h,1.25,1.26

Update of /cvsroot/ssic-linux/openssi/kernel/include/linux
In directory fdv4jf1.ch3.sourceforge.com:/tmp/cvs-serv32639/include/linux

Modified Files:
      Tag: OPENSSI-FC
	config.h 
Log Message:
IPC:
- Fix shm_ids_svr table race; mutex not held, wrong mutex held, or releasing unheld mutex. (#ifdef IPC_SHM_RACE_FIX)
- Downgrade NSC_IPC_WRLOCK() where appropriate; reduce contention. (#ifdef NSC_IPC_RWLOCK_DOWNGRADE)

 cluster/ssi/cfs/cfs_ipcshm.c   |   66 +++++++++++++++++++++++++++++------
 cluster/ssi/ipc/ipcshm_svr.c   |   76 ++++++++++++++++++++++++++++++++++-------
 cluster/ssi/ipc/namesvr_func.c |   68 ++++++++++++++++++++++++++++++++++++
 include/linux/config.h         |    1 
 ipc/shm.c                      |    3 +
 5 files changed, 188 insertions(+), 26 deletions(-)


Index: config.h
===================================================================
RCS file: /cvsroot/ssic-linux/openssi/kernel/include/linux/config.h,v
retrieving revision 1.25
retrieving revision 1.26
diff -u -d -r1.25 -r1.26
--- config.h	19 Feb 2009 08:01:02 -0000	1.25
+++ config.h	24 Feb 2009 01:51:47 -0000	1.26
@@ -246,6 +246,7 @@
 #endif
 
 #define RMTUNIX_SOCK_INFO_CACHE
+#define NSC_IPC_RWLOCK_DOWNGRADE
 
 /*
  * High-Availability / Failover


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