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Fix: add "flush empty" ioctl for stream intersection
[lttng-modules.git]
/
lib
/
ringbuffer
/
ring_buffer_vfs.c
diff --git
a/lib/ringbuffer/ring_buffer_vfs.c
b/lib/ringbuffer/ring_buffer_vfs.c
index b4e18aaf9a9557f56ccc6704f177dac6421e508e..97be835655a8c0f665526f8471aa1030e140b561 100644
(file)
--- a/
lib/ringbuffer/ring_buffer_vfs.c
+++ b/
lib/ringbuffer/ring_buffer_vfs.c
@@
-273,6
+273,9
@@
long lib_ring_buffer_ioctl(struct file *filp, unsigned int cmd,
case RING_BUFFER_FLUSH:
lib_ring_buffer_switch_remote(buf);
return 0;
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;
}
default:
return -ENOIOCTLCMD;
}
@@
-421,6
+424,9
@@
long lib_ring_buffer_compat_ioctl(struct file *filp, unsigned int cmd,
case RING_BUFFER_COMPAT_FLUSH:
lib_ring_buffer_switch_remote(buf);
return 0;
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;
}
default:
return -ENOIOCTLCMD;
}
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