From 71943b209b181e1e4a65ab477b83780add7051ae Mon Sep 17 00:00:00 2001
From: Stefan Metzmacher <metze@samba.org>
Date: Thu, 21 Feb 2008 16:12:27 +0100
Subject: opendb: add odb_update_oplock() call

metze
(This used to be commit df576d69c6981a4879a0e9447069fcfacb3588db)
---
 source4/cluster/ctdb/opendb_ctdb.c | 16 +++++++++++++-
 source4/ntvfs/common/opendb.c      |  6 +++++
 source4/ntvfs/common/opendb.h      |  2 ++
 source4/ntvfs/common/opendb_tdb.c  | 45 ++++++++++++++++++++++++++++++++++++--
 4 files changed, 66 insertions(+), 3 deletions(-)

(limited to 'source4')

diff --git a/source4/cluster/ctdb/opendb_ctdb.c b/source4/cluster/ctdb/opendb_ctdb.c
index f056e21716..86dc1f50f1 100644
--- a/source4/cluster/ctdb/opendb_ctdb.c
+++ b/source4/cluster/ctdb/opendb_ctdb.c
@@ -450,6 +450,19 @@ static NTSTATUS odb_ctdb_close_file(struct odb_lock *lck, void *file_handle)
 	return odb_push_record(lck, &file);
 }
 
+/*
+  update the oplock level of the client
+*/
+static NTSTATUS odb_ctdb_update_oplock(struct odb_lock *lck, void *file_handle,
+				       uint32_t oplock_level)
+{
+	/*
+	 * as this file will went away and isn't used yet,
+	 * copy the implementation from the tdb backend
+	 * --metze
+	 */
+	return NT_STATUS_FOOBAR;
+}
 
 /*
   remove a pending opendb entry
@@ -628,7 +641,8 @@ static const struct opendb_ops opendb_ctdb_ops = {
 	.odb_rename              = odb_ctdb_rename,
 	.odb_set_delete_on_close = odb_ctdb_set_delete_on_close,
 	.odb_get_delete_on_close = odb_ctdb_get_delete_on_close,
-	.odb_can_open            = odb_ctdb_can_open
+	.odb_can_open            = odb_ctdb_can_open,
+	.odb_update_oplock       = odb_ctdb_update_oplock
 };
 
 
diff --git a/source4/ntvfs/common/opendb.c b/source4/ntvfs/common/opendb.c
index f12f23817d..4ac10806e1 100644
--- a/source4/ntvfs/common/opendb.c
+++ b/source4/ntvfs/common/opendb.c
@@ -170,3 +170,9 @@ _PUBLIC_ NTSTATUS odb_can_open(struct odb_lock *lck,
 {
 	return ops->odb_can_open(lck, share_access, create_options, access_mask);
 }
+
+_PUBLIC_ NTSTATUS odb_update_oplock(struct odb_lock *lck, void *file_handle,
+				    uint32_t oplock_level)
+{
+	return ops->odb_update_oplock(lck, file_handle, oplock_level);
+}
diff --git a/source4/ntvfs/common/opendb.h b/source4/ntvfs/common/opendb.h
index ccf6db27a0..c34a07d6fa 100644
--- a/source4/ntvfs/common/opendb.h
+++ b/source4/ntvfs/common/opendb.h
@@ -41,6 +41,8 @@ struct opendb_ops {
 	NTSTATUS (*odb_can_open)(struct odb_lock *lck,
 				 uint32_t share_access, uint32_t create_options, 
 				 uint32_t access_mask);
+	NTSTATUS (*odb_update_oplock)(struct odb_lock *lck, void *file_handle,
+				      uint32_t oplock_level);
 };
 
 struct opendb_oplock_break {
diff --git a/source4/ntvfs/common/opendb_tdb.c b/source4/ntvfs/common/opendb_tdb.c
index 25f37f5e26..3d4a760e2e 100644
--- a/source4/ntvfs/common/opendb_tdb.c
+++ b/source4/ntvfs/common/opendb_tdb.c
@@ -2,7 +2,8 @@
    Unix SMB/CIFS implementation.
 
    Copyright (C) Andrew Tridgell 2004
-   
+   Copyright (C) Stefan Metzmacher 2008
+
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 3 of the License, or
@@ -463,6 +464,45 @@ static NTSTATUS odb_tdb_close_file(struct odb_lock *lck, void *file_handle)
 	return odb_push_record(lck, &file);
 }
 
+/*
+  update the oplock level of the client
+*/
+static NTSTATUS odb_tdb_update_oplock(struct odb_lock *lck, void *file_handle,
+				      uint32_t oplock_level)
+{
+	struct odb_context *odb = lck->odb;
+	struct opendb_file file;
+	int i;
+	NTSTATUS status;
+
+	status = odb_pull_record(lck, &file);
+	NT_STATUS_NOT_OK_RETURN(status);
+
+	/* find the entry, and update it */
+	for (i=0;i<file.num_entries;i++) {
+		if (file_handle == file.entries[i].file_handle &&
+		    cluster_id_equal(&odb->ntvfs_ctx->server_id, &file.entries[i].server)) {
+			file.entries[i].oplock_level = oplock_level;
+			break;
+		}
+	}
+
+	if (i == file.num_entries) {
+		return NT_STATUS_UNSUCCESSFUL;
+	}
+
+	/* send any pending notifications, removing them once sent */
+	for (i=0;i<file.num_pending;i++) {
+		messaging_send_ptr(odb->ntvfs_ctx->msg_ctx,
+				   file.pending[i].server,
+				   MSG_PVFS_RETRY_OPEN,
+				   file.pending[i].notify_ptr);
+	}
+	file.num_pending = 0;
+
+	return odb_push_record(lck, &file);
+}
+
 
 /*
   remove a pending opendb entry
@@ -641,7 +681,8 @@ static const struct opendb_ops opendb_tdb_ops = {
 	.odb_rename              = odb_tdb_rename,
 	.odb_set_delete_on_close = odb_tdb_set_delete_on_close,
 	.odb_get_delete_on_close = odb_tdb_get_delete_on_close,
-	.odb_can_open            = odb_tdb_can_open
+	.odb_can_open            = odb_tdb_can_open,
+	.odb_update_oplock       = odb_tdb_update_oplock
 };
 
 
-- 
cgit