From: Christof Hanke <hanke@rzg.mpg.de>
Date: Wed, 15 Sep 2004 04:54:28 +0000 (+0000)
Subject: segments-keep-chunkbytes-and-validpos-in-sync-20040914
X-Git-Tag: BP-disconnected~248
X-Git-Url: https://git.michaelhowe.org/gitweb/?a=commitdiff_plain;h=1ea05bb5679ba0e00b02ef2b20f72f7b2c39eb14;p=packages%2Fo%2Fopenafs.git

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."
---

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);