From bb576b462d1d26cd07f03965c734ae6d2c5bd132 Mon Sep 17 00:00:00 2001
From: Chaskiel M Grundman <cg2v@andrew.cmu.edu>
Date: Sat, 28 Jan 2006 18:02:40 +0000
Subject: [PATCH] reclaim-defered-flush-fixes-20060128

fix side effect of reclaim lookaside
---
 src/afs/DARWIN/osi_vm.c |  2 ++
 src/afs/afs_osidnlc.c   |  6 ++++++
 src/afs/afs_vcache.c    | 12 ++++++++++++
 3 files changed, 20 insertions(+)

diff --git a/src/afs/DARWIN/osi_vm.c b/src/afs/DARWIN/osi_vm.c
index 07a5d31e3..ed845d10e 100644
--- a/src/afs/DARWIN/osi_vm.c
+++ b/src/afs/DARWIN/osi_vm.c
@@ -41,6 +41,8 @@ osi_VM_FlushVCache(struct vcache *avc, int *slept)
     kern_return_t kret;
     off_t size;
 
+    if (!vp)
+	return 0;
     AFS_GUNLOCK();
 #if 0
     if (!(UBCINFOMISSING(vp) || UBCINFORECLAIMED(vp))) {
diff --git a/src/afs/afs_osidnlc.c b/src/afs/afs_osidnlc.c
index cee981484..5f050ec27 100644
--- a/src/afs/afs_osidnlc.c
+++ b/src/afs/afs_osidnlc.c
@@ -239,6 +239,12 @@ osi_dnlc_lookup(struct vcache *adp, char *aname, int locktype)
 	ReleaseReadLock(&afs_xvcache);
 	dnlcstats.misses++;
     } else {
+	if (tvc->states & CVInit) {
+	    ReleaseReadLock(&afs_xvcache);
+	    dnlcstats.misses++;
+	    osi_dnlc_remove(adp, aname, tvc);
+	    return 0;
+	}
 #ifdef	AFS_OSF_ENV
 	VN_HOLD((vnode_t *) tvc);
 #else
diff --git a/src/afs/afs_vcache.c b/src/afs/afs_vcache.c
index 137c6bf5d..a9c34bcb9 100644
--- a/src/afs/afs_vcache.c
+++ b/src/afs/afs_vcache.c
@@ -602,6 +602,18 @@ afs_FlushReclaimedVcaches(void)
 	    tmpReclaimedVCList = tvc;
 	    printf("Reclaim list flush %lx failed: %d\n", (unsigned long) tvc, code);
 	}
+        if (tvc->states & (CVInit
+#ifdef AFS_DARWIN80_ENV
+			  | CDeadVnode
+#endif
+           )) {
+	   tvc->states &= ~(CVInit
+#ifdef AFS_DARWIN80_ENV
+			    | CDeadVnode
+#endif
+	   );
+	   afs_osi_Wakeup(&tvc->states);
+	}
     }
     if (tmpReclaimedVCList) 
 	ReclaimedVCList = tmpReclaimedVCList;
-- 
2.39.5