X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=lib%2Fringbuffer%2Fvfs.h;h=d073e4c555fe89e22b0ff78afcc22b0ba2f75c2f;hb=5c0552665e4d152e97edc995650711d4f6ac418d;hp=0a09637af2b37c4e036c418745132a7198689c2f;hpb=f3bc08c50e1b302bceea699027d889fd6d9af525;p=lttng-modules.git

diff --git a/lib/ringbuffer/vfs.h b/lib/ringbuffer/vfs.h
index 0a09637a..d073e4c5 100644
--- a/lib/ringbuffer/vfs.h
+++ b/lib/ringbuffer/vfs.h
@@ -83,5 +83,7 @@ long lib_ring_buffer_compat_ioctl(struct file *filp, unsigned int cmd,
 #define RING_BUFFER_GET_MMAP_LEN		_IOR(0xF6, 0x0A, unsigned long)
 /* returns the offset of the subbuffer belonging to the mmap reader. */
 #define RING_BUFFER_GET_MMAP_READ_OFFSET	_IOR(0xF6, 0x0B, unsigned long)
+/* flush the current sub-buffer */
+#define RING_BUFFER_FLUSH			_IO(0xF6, 0x0C)
 
 #endif /* _LINUX_RING_BUFFER_VFS_H */