X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=libringbuffer%2Fvfs.h;h=00404a31751dd0d34d3c432d655eb0beed55db93;hb=529b552a3dfa44c5ca717add7919c33d00a3f3db;hp=a27f8c50f08a5228d0fdcdaab1448033be77c321;hpb=9beb36bafc2956e34cd00512f8e327086a49fc7a;p=lttng-ust.git

diff --git a/libringbuffer/vfs.h b/libringbuffer/vfs.h
index a27f8c50..00404a31 100644
--- 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 */