nfs4: Fix removing nodes other than NF4DIR or NF4REG

src/add-ons/kernel/file_systems/nfs4/Inode.cpp

@@ -241,8 +241,11 @@ Inode::Remove(const char* name, FileType type)
 		AttrValue attr;
 		attr.fAttribute = FATTR4_TYPE;
 		attr.fFreePointer = false;
-		attr.fData.fValue32 = type;
+		attr.fData.fValue32 = NF4DIR;
-		req.Verify(&attr, 1);
+		if (type == NF4DIR)
+			req.Verify(&attr, 1);
+		else
+			req.Nverify(&attr, 1);
 
 		req.PutFH(fHandle);
 		req.Remove(name);
@@ -259,8 +262,12 @@ Inode::Remove(const char* name, FileType type)
 		reply.PutFH();
 		reply.LookUp();
 
-		result = reply.Verify();
+		if (type == NF4DIR)
-		if (result == NFS4ERR_NOT_SAME && type == NF4REG)
+			result = reply.Verify();
+		else
+			result = reply.Nverify();
+
+		if (result == NFS4ERR_SAME && type != NF4DIR)
 			return B_IS_A_DIRECTORY;
 		if (result == NFS4ERR_NOT_SAME && type == NF4DIR)
 			return B_NOT_A_DIRECTORY;

src/add-ons/kernel/file_systems/nfs4/NFS4Defs.h

@@ -29,6 +29,7 @@ enum Opcode {
 	OpLink					= 11,
 	OpLookUp				= 15,
 	OpLookUpUp				= 16,
+	OpNverify				= 17,
 	OpOpen					= 18,
 	OpOpenConfirm			= 20,
 	OpPutFH					= 22,

src/add-ons/kernel/file_systems/nfs4/ReplyInterpreter.h

@@ -72,6 +72,7 @@ public:
 			status_t	Link();
 	inline	status_t	LookUp();
 	inline	status_t	LookUpUp();
+	inline	status_t	Nverify();
 			status_t	Open(uint32* id, uint32* seq, bool* confirm);
 			status_t	OpenConfirm(uint32* stateSeq);
 	inline	status_t	PutFH();
@@ -150,6 +151,13 @@ ReplyInterpreter::LookUpUp()
 }
 
 
+inline status_t
+ReplyInterpreter::Nverify()
+{
+	return _OperationError(OpNverify);
+}
+
+
 inline status_t
 ReplyInterpreter::PutFH()
 {

src/add-ons/kernel/file_systems/nfs4/RequestBuilder.cpp

@@ -197,6 +197,23 @@ RequestBuilder::LookUpUp()
 }
 
 
+status_t
+RequestBuilder::Nverify(AttrValue* attr, uint32 count)
+{
+	if (fProcedure != ProcCompound)
+		return B_BAD_VALUE;
+	if (fRequest == NULL)
+		return B_NO_MEMORY;
+
+	fRequest->Stream().AddUInt(OpNverify);
+	_EncodeAttrs(fRequest->Stream(), attr, count);
+
+	fOpCount++;
+
+	return B_OK;
+}
+
+
 status_t
 RequestBuilder::Open(OpenClaim claim, uint32 seq, uint32 access, uint64 id,
 	OpenCreate oc, uint64 ownerId, const char* name, AttrValue* attr,

src/add-ons/kernel/file_systems/nfs4/RequestBuilder.h

@@ -36,6 +36,7 @@ public:
 			status_t				Link(const char* name);
 			status_t				LookUp(const char* name);
 			status_t				LookUpUp();
+			status_t				Nverify(AttrValue* attr, uint32 count);
 			status_t				Open(OpenClaim claim, uint32 seq,
 										uint32 access, uint64 id, OpenCreate oc,
 										uint64 ownerId, const char* name,