s3: Move the notify_ctx to the smbd_server_connection

We only need one notify_ctx per smbd. The notify_array can become quite large.
It's based on absolute paths, so there's no point in having a copy of the
complete array in memory multiple times.

Autobuild-User: Volker Lendecke <vl@samba.org>
Autobuild-Date: Wed Mar 21 14:26:07 CET 2012 on sn-devel-104

5 files changed, 14 insertions, 10 deletions

diff --git a/source3/include/smb.h b/source3/include/smb.h
index 86f69b4a06..a12ca54d20 100644
--- a/source3/include/smb.h
+++ b/source3/include/smb.h
@@ -427,7 +427,6 @@ typedef struct connection_struct {
 	name_compare_entry *aio_write_behind_list; /* Per-share list of files to use aio write behind on. */       
 	struct dfree_cached_info *dfree_info;
 	struct trans_state *pending_trans;
-	struct notify_context *notify_ctx;
 
 	struct rpc_pipe_client *spoolss_pipe;
 
diff --git a/source3/smbd/files.c b/source3/smbd/files.c
index 10a0b8169d..6499a810ff 100644
--- a/source3/smbd/files.c
+++ b/source3/smbd/files.c
@@ -447,11 +447,13 @@ void file_free(struct smb_request *req, files_struct *fsp)
 	}
 
 	if (fsp->notify) {
+		struct notify_context *notify_ctx =
+			fsp->conn->sconn->notify_ctx;
 		if (fsp->is_directory) {
-			notify_remove_onelevel(fsp->conn->notify_ctx,
+			notify_remove_onelevel(notify_ctx,
 					       &fsp->file_id, fsp);
 		}
-		notify_remove(fsp->conn->notify_ctx, fsp);
+		notify_remove(notify_ctx, fsp);
 		TALLOC_FREE(fsp->notify);
 	}
 
diff --git a/source3/smbd/globals.h b/source3/smbd/globals.h
index caf7357df4..3973855b7e 100644
--- a/source3/smbd/globals.h
+++ b/source3/smbd/globals.h
@@ -449,6 +449,7 @@ struct smbd_server_connection {
 	const char *remote_hostname;
 	struct tevent_context *ev_ctx;
 	struct messaging_context *msg_ctx;
+	struct notify_context *notify_ctx;
 	struct {
 		bool got_session;
 	} nbt;
diff --git a/source3/smbd/notify.c b/source3/smbd/notify.c
index 88e838ee17..8228c7597e 100644
--- a/source3/smbd/notify.c
+++ b/source3/smbd/notify.c
@@ -221,7 +221,7 @@ NTSTATUS change_notify_create(struct files_struct *fsp, uint32 filter,
 		e.subdir_filter = filter;
 	}
 
-	status = notify_add(fsp->conn->notify_ctx, fsp->conn, &e,
+	status = notify_add(fsp->conn->sconn->notify_ctx, fsp->conn, &e,
 			    notify_callback, fsp);
 	TALLOC_FREE(fullpath);
 
@@ -364,6 +364,7 @@ void remove_pending_change_notify_requests_by_fid(files_struct *fsp,
 void notify_fname(connection_struct *conn, uint32 action, uint32 filter,
 		  const char *path)
 {
+	struct notify_context *notify_ctx = conn->sconn->notify_ctx;
 	char *fullpath;
 	char *parent;
 	const char *name;
@@ -378,7 +379,7 @@ void notify_fname(connection_struct *conn, uint32 action, uint32 filter,
 		smb_fname_parent.base_name = parent;
 
 		if (SMB_VFS_STAT(conn, &smb_fname_parent) != -1) {
-			notify_onelevel(conn->notify_ctx, action, filter,
+			notify_onelevel(notify_ctx, action, filter,
 			    SMB_VFS_FILE_ID_CREATE(conn, &smb_fname_parent.st),
 			    name);
 		}
@@ -390,7 +391,7 @@ void notify_fname(connection_struct *conn, uint32 action, uint32 filter,
 		DEBUG(0, ("asprintf failed\n"));
 		return;
 	}
-	notify_trigger(conn->notify_ctx, action, filter, fullpath);
+	notify_trigger(notify_ctx, action, filter, fullpath);
 	TALLOC_FREE(fullpath);
 }
 
diff --git a/source3/smbd/service.c b/source3/smbd/service.c
index 79e935d5d2..d28a51a9a7 100644
--- a/source3/smbd/service.c
+++ b/source3/smbd/service.c
@@ -698,10 +698,11 @@ static NTSTATUS make_connection_snum(struct smbd_server_connection *sconn,
 	on_err_call_dis_hook = true;
 
 	if ((!conn->printer) && (!conn->ipc) &&
-	    lp_change_notify(conn->params)) {
-		conn->notify_ctx = notify_init(conn,
-					       sconn->msg_ctx,
-					       sconn->ev_ctx);
+	    lp_change_notify(conn->params) &&
+	    sconn->notify_ctx == NULL) {
+		sconn->notify_ctx = notify_init(sconn,
+						sconn->msg_ctx,
+						sconn->ev_ctx);
 	}
 
 	/*