From: Derrick Brashear <shadow@dementia.org>
Date: Mon, 19 Jul 2010 20:56:58 +0000 (-0400)
Subject: ShakeLooseVCaches needs to avoid CVInit vcaches
X-Git-Tag: openafs-devel-1_5_76~87
X-Git-Url: https://git.michaelhowe.org/gitweb/?a=commitdiff_plain;h=eb6914dbb30b211653d6e66f23c31e81d410c9ae;p=packages%2Fo%2Fopenafs.git

ShakeLooseVCaches needs to avoid CVInit vcaches

the code refactoring missed this case. sadly, it means we
can panic under heavy vcache contention.

FIXES 127645

Change-Id: I41929df066b8e3d447ba72e77be6777a306b8bf8
Reviewed-on: http://gerrit.openafs.org/2449
Reviewed-by: Simon Wilkinson <sxw@inf.ed.ac.uk>
Reviewed-by: Derrick Brashear <shadow@dementia.org>
Tested-by: Derrick Brashear <shadow@dementia.org>
---

diff --git a/src/afs/afs_vcache.c b/src/afs/afs_vcache.c
index af829510e..117c919fa 100644
--- a/src/afs/afs_vcache.c
+++ b/src/afs/afs_vcache.c
@@ -666,6 +666,8 @@ afs_ShakeLooseVCaches(afs_int32 anumber)
 	    refpanic("Exceeded pool of AFS vnodes(VLRU cycle?)");
 	} else if (QNext(uq) != tq) {
 	    refpanic("VLRU inconsistent");
+	} else if (tvc->f.states & CVInit) {
+	    continue;
 	}
 
 	fv_slept = 0;