From 1ea05bb5679ba0e00b02ef2b20f72f7b2c39eb14 Mon Sep 17 00:00:00 2001
From: Christof Hanke <hanke@rzg.mpg.de>
Date: Wed, 15 Sep 2004 04:54:28 +0000
Subject: [PATCH] segments-keep-chunkbytes-and-validpos-in-sync-20040914

FIXES 15200

"Basically, the pointers (struct dcache *)->validPos and (struct dcache *)->f.chunkBytes are not kept in sync."
---
 src/afs/afs_segments.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/afs/afs_segments.c b/src/afs/afs_segments.c
index f9d5b8068..1ebbcebc6 100644
--- a/src/afs/afs_segments.c
+++ b/src/afs/afs_segments.c
@@ -1041,6 +1041,12 @@ afs_TruncateAllSegments(register struct vcache *avc, afs_size_t alen,
 	    afs_CFileTruncate(tfile, newSize);
 	    afs_CFileClose(tfile);
 	    afs_AdjustSize(tdc, newSize);
+	    if (alen < tdc->validPos) {
+                if (alen < AFS_CHUNKTOBASE(tdc->f.chunk))
+                    tdc->validPos = 0;
+                else
+                    tdc->validPos = alen;
+            }
 	    ConvertWToSLock(&tdc->lock);
 	}
 	ReleaseSharedLock(&tdc->lock);
-- 
2.39.5