-/*
+/* SPDX-License-Identifier: (GPL-2.0 OR LGPL-2.1)
+ *
* ring_buffer_vfs.c
*
* Ring Buffer VFS file operations.
*
* Copyright (C) 2010-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; only
- * version 2.1 of the License.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <linux/module.h>
case RING_BUFFER_SNAPSHOT:
return lib_ring_buffer_snapshot(buf, &buf->cons_snapshot,
&buf->prod_snapshot);
+ case RING_BUFFER_SNAPSHOT_SAMPLE_POSITIONS:
+ return lib_ring_buffer_snapshot_sample_positions(buf,
+ &buf->cons_snapshot, &buf->prod_snapshot);
case RING_BUFFER_SNAPSHOT_GET_CONSUMED:
return put_ulong(buf->cons_snapshot, arg);
case RING_BUFFER_SNAPSHOT_GET_PRODUCED:
case RING_BUFFER_FLUSH:
lib_ring_buffer_switch_remote(buf);
return 0;
+ case RING_BUFFER_FLUSH_EMPTY:
+ lib_ring_buffer_switch_remote_empty(buf);
+ return 0;
default:
return -ENOIOCTLCMD;
}
case RING_BUFFER_COMPAT_SNAPSHOT:
return lib_ring_buffer_snapshot(buf, &buf->cons_snapshot,
&buf->prod_snapshot);
+ case RING_BUFFER_COMPAT_SNAPSHOT_SAMPLE_POSITIONS:
+ return lib_ring_buffer_snapshot_sample_positions(buf,
+ &buf->cons_snapshot, &buf->prod_snapshot);
case RING_BUFFER_COMPAT_SNAPSHOT_GET_CONSUMED:
return compat_put_ulong(buf->cons_snapshot, arg);
case RING_BUFFER_COMPAT_SNAPSHOT_GET_PRODUCED:
case RING_BUFFER_COMPAT_FLUSH:
lib_ring_buffer_switch_remote(buf);
return 0;
+ case RING_BUFFER_COMPAT_FLUSH_EMPTY:
+ lib_ring_buffer_switch_remote_empty(buf);
+ return 0;
default:
return -ENOIOCTLCMD;
}
EXPORT_SYMBOL_GPL(lib_ring_buffer_file_operations);
MODULE_LICENSE("GPL and additional rights");
-MODULE_AUTHOR("Mathieu Desnoyers");
-MODULE_DESCRIPTION("Ring Buffer Library VFS");
+MODULE_AUTHOR("Mathieu Desnoyers <mathieu.desnoyers@efficios.com>");
+MODULE_DESCRIPTION("LTTng ring buffer library");
MODULE_VERSION(__stringify(LTTNG_MODULES_MAJOR_VERSION) "."
__stringify(LTTNG_MODULES_MINOR_VERSION) "."
__stringify(LTTNG_MODULES_PATCHLEVEL_VERSION)