[SSI] openssi/kernel/cluster/ssi/ipc rmtunix.c,1.23,1.24

Update of /cvsroot/ssic-linux/openssi/kernel/cluster/ssi/ipc
In directory fdv4jf1.ch3.sourceforge.com:/tmp/cvs-serv14118/cluster/ssi/ipc

Modified Files:
      Tag: OPENSSI-FC
	rmtunix.c 
Log Message:
CFS:
- Allocate file_lock structure from stack in cfs_proc_set/getlock_0(), cfs_rb_dolocks().
- Fix possible busy spin forever in cfs_rb_dolocks(); need error handling.
- Optimize away early malloc in svrtok_lookup(). (#ifdef RCU_CFSTOK_TABLE)

IPC:
- Regression:
  - Partially initialized rmtunix_socket_info structure. (#ifdef RMTUNIX_SOCK_INFO_CACHE)

VPROC:
- Regression:
  - pvpop_reclaim_child() livelock in __ptrace_unlink path. (#ifdef VPROC_RW_LOCK)

 cluster/ssi/cfs/cfs_ipcshm.c     |    4 -
 cluster/ssi/cfs/cfsproc.c        |   90 +++++++++++++++++----------------------
 cluster/ssi/cfs/svrcfs.c         |   24 +++-------
 cluster/ssi/ipc/rmtunix.c        |    8 +--
 cluster/ssi/vproc/dvp_pvpops.c   |   10 ++--
 include/cluster/ssi/ipc/unixnm.h |    9 ++-
 include/cluster/ssi/unix.h       |    6 +-
 7 files changed, 69 insertions(+), 82 deletions(-)


Index: rmtunix.c
===================================================================
RCS file: /cvsroot/ssic-linux/openssi/kernel/cluster/ssi/ipc/rmtunix.c,v
retrieving revision 1.23
retrieving revision 1.24
diff -u -d -r1.23 -r1.24
--- rmtunix.c	3 Feb 2009 06:18:12 -0000	1.23
+++ rmtunix.c	7 Feb 2009 04:19:43 -0000	1.24
@@ -90,6 +90,7 @@
 		info->sk = NULL;
 #ifdef IPC_STALE_RMTUNIX_CACHE_FIX
 	}
+	DEINIT_SPIN_LOCK(&info->rsk_spinlock);
 #endif
 	info->magic = 0;
 #ifdef RMTUNIX_SOCK_INFO_CACHE
@@ -124,15 +125,14 @@
 			continue;
 #ifdef IPC_STALE_RMTUNIX_CACHE_FIX
 		if (info->sk) {
-			struct sock *s = info->sk;
-			spin_lock(&s->sk_lock.slock);
+			LOCK_SPIN_LOCK(&info->rsk_spinlock);
 			if (!info->rsk_cached) {
-				spin_unlock(&s->sk_lock.slock);
+				UNLOCK_SPIN_LOCK(&info->rsk_spinlock);
 				spin_unlock(&rmtunix_cache_listlock);
 				continue;
 			}
 			info->rsk_cached = 0;
-			spin_unlock(&s->sk_lock.slock);
+			UNLOCK_SPIN_LOCK(&info->rsk_spinlock);
 		} else
 			BUG_ON(info->rsk_cached);
 #endif


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