From 4af303359b577f5c7e16e92423566aa6afb9812f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Axel=20D=C3=B6rfler?= <axeld@pinc-software.de>
Date: Wed, 18 Aug 2010 16:44:51 +0000
Subject: [PATCH] * We need to reset the blockNumber, or else we'll discard the
 wrong blocks   which has rather desastrous consequences - thanks to Stippi
 for the heads   up :-)

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@38242 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 src/system/kernel/cache/block_cache.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/system/kernel/cache/block_cache.cpp b/src/system/kernel/cache/block_cache.cpp
index 063286ccb9..6e34f1451d 100644
--- a/src/system/kernel/cache/block_cache.cpp
+++ b/src/system/kernel/cache/block_cache.cpp
@@ -3406,6 +3406,9 @@ block_cache_discard(void* _cache, off_t blockNumber, size_t numBlocks)
 	writer.Write();
 		// TODO: this can fail, too!
 
+	blockNumber -= numBlocks;
+		// reset blockNumber to its original value
+
 	for (size_t i = 0; i < numBlocks; i++, blockNumber++) {
 		cached_block* block = (cached_block*)hash_lookup(cache->hash,
 			&blockNumber);