From 4f6383edcbbd59338a921b34c4c4a13d439931f8 Mon Sep 17 00:00:00 2001 From: Hartmut Birr Date: Tue, 31 Aug 2004 20:02:24 +0000 Subject: [PATCH] - Store always offsets on cluster boundaries in FCB->LastOffset. svn path=/trunk/; revision=10757 --- reactos/drivers/fs/vfat/rw.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/reactos/drivers/fs/vfat/rw.c b/reactos/drivers/fs/vfat/rw.c index 850fcbbfc51..d8615867ef6 100644 --- a/reactos/drivers/fs/vfat/rw.c +++ b/reactos/drivers/fs/vfat/rw.c @@ -1,5 +1,5 @@ -/* $Id: rw.c,v 1.68 2004/08/05 02:48:18 navaraf Exp $ +/* $Id: rw.c,v 1.69 2004/08/31 20:02:24 hbirr Exp $ * * COPYRIGHT: See COPYING in the top level directory * PROJECT: ReactOS kernel @@ -301,7 +301,7 @@ VfatReadFileData (PVFAT_IRP_CONTEXT IrpContext, ExAcquireFastMutex(&Fcb->LastMutex); Fcb->LastCluster = StartCluster + (ClusterCount - 1); - Fcb->LastOffset = ReadOffset.u.LowPart + (ClusterCount - 1) * BytesPerCluster; + Fcb->LastOffset = ROUND_DOWN(ReadOffset.u.LowPart, BytesPerCluster) + (ClusterCount - 1) * BytesPerCluster; ExReleaseFastMutex(&Fcb->LastMutex); // Fire up the read command @@ -511,7 +511,7 @@ VfatWriteFileData(PVFAT_IRP_CONTEXT IrpContext, ExAcquireFastMutex(&Fcb->LastMutex); Fcb->LastCluster = StartCluster + (ClusterCount - 1); - Fcb->LastOffset = WriteOffset.u.LowPart + (ClusterCount - 1) * BytesPerCluster; + Fcb->LastOffset = ROUND_DOWN(WriteOffset.u.LowPart, BytesPerCluster) + (ClusterCount - 1) * BytesPerCluster; ExReleaseFastMutex(&Fcb->LastMutex); // Fire up the write command