STABLE12-release-zero-length-dcache-entries-20040110

as from kolya@mit.edu's rewrite of this code for 1.3.x

diff --git a/src/afs/afs_segments.c b/src/afs/afs_segments.c
index ea18b8e9ad6c22bba3096fd6214db40bbba04fa9..dae896bbed847adef07143110d60ddb1db005ac0 100644 (file)
--- a/src/afs/afs_segments.c
+++ b/src/afs/afs_segments.c
@@ -551,7 +551,17 @@ afs_StoreAllSegments(avc, areq, sync)
            bytes = 0;
          }
        }
-      } /* if (j) */
+       /* Release any zero-length dcache entries in our interval
+        * that we locked but didn't store back above.
+        */
+       for (j = 0; j <= high; j++) {
+           tdc = dcList[j];
+           if (tdc) {
+               osi_Assert(tdc->f.chunkBytes == 0);
+               afs_PutDCache(tdc);
+           }
+       }
+     } /* if (j) */
 
     minj += NCHUNKSATONCE;
     } while ( !code && moredata );