From: Jeffrey Altman <jaltman@your-file-system.com>
Date: Fri, 5 Oct 2012 02:07:40 +0000 (-0400)
Subject: Windows: AFS_INVALIDATE_DELETE must cancel IO
X-Git-Tag: upstream/1.8.0_pre1^2~1915
X-Git-Url: https://git.michaelhowe.org/gitweb/?a=commitdiff_plain;h=c53220c179b06fdeb03879e8dc5e10f69bbe0a5f;p=packages%2Fo%2Fopenafs.git

Windows: AFS_INVALIDATE_DELETE must cancel IO

When processing an AFS_INVALIDATE_DELETE the redirector
must cancel any outstanding extent requests on the file
prior to tearing down the extents.

This code path is triggered either when VNOVNODE is received
from a file server or when an alternate cache manager interface
(SMB) unlinks the file.

Change-Id: I16c08c2469228b33ae4ece0e45a9890a057ab257
Reviewed-on: http://gerrit.openafs.org/8206
Reviewed-by: Rod Widdowson <rdw@steadingsoftware.com>
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Jeffrey Altman <jaltman@your-file-system.com>
Tested-by: Jeffrey Altman <jaltman@your-file-system.com>
---

diff --git a/src/WINNT/afsrdr/kernel/lib/AFSGeneric.cpp b/src/WINNT/afsrdr/kernel/lib/AFSGeneric.cpp
index 547ed7c5c..282394010 100644
--- a/src/WINNT/afsrdr/kernel/lib/AFSGeneric.cpp
+++ b/src/WINNT/afsrdr/kernel/lib/AFSGeneric.cpp
@@ -8938,6 +8938,14 @@ AFSPerformObjectInvalidate( IN AFSObjectInfoCB *ObjectInfo,
                     ObjectInfo->Fcb != NULL)
                 {
 
+                    AFSAcquireExcl( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource,
+                                    TRUE);
+
+                    ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsRequestStatus = STATUS_FILE_DELETED;
+
+                    KeSetEvent( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsRequestComplete,
+                                0,
+                                FALSE);
 
                     //
                     // Clear out the extents
@@ -8947,6 +8955,8 @@ AFSPerformObjectInvalidate( IN AFSObjectInfoCB *ObjectInfo,
 
                     AFSTearDownFcbExtents( ObjectInfo->Fcb,
                                            NULL);
+
+                    AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource);
                 }
 
                 break;