Merge LTTng commit 5c0552665e4d152e97edc995650711d4f6ac418d

[lttng-ust.git] / libringbuffer / vfs.h

diff --git a/libringbuffer/vfs.h b/libringbuffer/vfs.h
index a27f8c50f08a5228d0fdcdaab1448033be77c321..00404a31751dd0d34d3c432d655eb0beed55db93 100644 (file)
--- a/libringbuffer/vfs.h
+++ b/libringbuffer/vfs.h
@@ -80,5 +80,7 @@ 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 */