X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=lib%2Fringbuffer%2Fring_buffer_vfs.c;h=1708ffd6bc9b1b80f06da11af5cb7830c2a6923b;hb=9a0df743d0ee1aef496b7ca94fdf5308b54c8a36;hp=9786d353cba185b696cddf61f7238bfea22443f7;hpb=a33e44a60b7128349043753e53affba8ebc40716;p=lttng-modules.git

diff --git a/lib/ringbuffer/ring_buffer_vfs.c b/lib/ringbuffer/ring_buffer_vfs.c
index 9786d353..1708ffd6 100644
--- a/lib/ringbuffer/ring_buffer_vfs.c
+++ b/lib/ringbuffer/ring_buffer_vfs.c
@@ -245,6 +245,9 @@ long lib_ring_buffer_ioctl(struct file *filp, unsigned int cmd, unsigned long ar
 		return put_ulong(buf->backend.array[sb_bindex]->mmap_offset,
 				 arg);
 	}
+	case RING_BUFFER_FLUSH:
+		lib_ring_buffer_switch_slow(buf, SWITCH_ACTIVE);
+		return 0;
 	default:
 		return -ENOIOCTLCMD;
 	}
@@ -355,6 +358,9 @@ long lib_ring_buffer_compat_ioctl(struct file *filp, unsigned int cmd,
 			return -EINVAL;
 		return put_ulong(read_offset, arg);
 	}
+	case RING_BUFFER_FLUSH:
+		lib_ring_buffer_switch_slow(buf, SWITCH_ACTIVE);
+		return 0;
 	default:
 		return -ENOIOCTLCMD;
 	}
@@ -362,6 +368,7 @@ long lib_ring_buffer_compat_ioctl(struct file *filp, unsigned int cmd,
 #endif
 
 const struct file_operations lib_ring_buffer_file_operations = {
+	.owner = THIS_MODULE,
 	.open = lib_ring_buffer_open,
 	.release = lib_ring_buffer_release,
 	.poll = lib_ring_buffer_poll,