msnfs41client: Patch for nfs41_ExtendForCache() issue, 2025-03-18
Posted by Anonymous on Tue 18th Mar 2025 05:03
raw | new post

From 7bb6f9e4f2ee6f0a9352f7541310db4b5542eb2b Mon Sep 17 00:00:00 2001
From: Roland Mainz <roland.mainz@nrubsig.org>
Date: Tue, 18 Mar 2025 05:33:59 +0100
Subject: [PATCH] sys: |nfs41_ExtendForCache()| should not add 8192 to
 |newAllocationSize|

|nfs41_ExtendForCache()| should not add 8192 to |newAllocationSize| -
the RDBSS is managing this itself, and this doesn't work for sparse
files anyway.

Signed-off-by: Cedric Blancher <cedric.blancher@gmail.com>
---
 sys/nfs41sys_readwrite.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sys/nfs41sys_readwrite.c b/sys/nfs41sys_readwrite.c
index 4afa8e4..d1a3ba7 100644
--- a/sys/nfs41sys_readwrite.c
+++ b/sys/nfs41sys_readwrite.c
@@ -1,6 +1,6 @@
 /* NFSv4.1 client for Windows
  * Copyright (C) 2012 The Regents of the University of Michigan
- * Copyright (C) 2023-2024 Roland Mainz <roland.mainz@nrubsig.org>
+ * Copyright (C) 2023-2025 Roland Mainz <roland.mainz@nrubsig.org>
  *
  * Olga Kornievskaia <aglo@umich.edu>
  * Casey Bodley <cbodley@umich.edu>
@@ -461,7 +461,7 @@ ULONG nfs41_ExtendForCache(
         (long long)pNewFileSize->QuadPart,
         (long long)pNewAllocationSize->QuadPart);
 #endif
-    pNewAllocationSize->QuadPart = pNewFileSize->QuadPart + 8192;
+    pNewAllocationSize->QuadPart = pNewFileSize->QuadPart;
     nfs41_fcb->StandardInfo.AllocationSize.QuadPart =
         pNewAllocationSize->QuadPart;
     nfs41_fcb->StandardInfo.EndOfFile.QuadPart = pNewFileSize->QuadPart;
--
2.45.1