xnu-1504.15.3.tar.gz

[apple/xnu.git] / bsd / sys / buf_internal.h

diff --git a/bsd/sys/buf_internal.h b/bsd/sys/buf_internal.h
index 50aafaa53867be513df208efe1731b32da8f69a9..5718861f67633d5c49eab6d1bfc8fff9a66eb316 100644 (file)
--- a/bsd/sys/buf_internal.h
+++ b/bsd/sys/buf_internal.h
@@ -191,6 +191,7 @@ struct buf {
  */
 #define B_NEED_IODONE   0x20000000     /* need biodone on the real_bp associated with a cluster_io */
 #define B_COMMIT_UPL    0x40000000     /* commit/abort the UPL on I/O success/failure */
+#define B_TDONE                0x80000000      /* buf_t that is part of a cluster level transaction has completed */
 
 
 /* Flags to low-level allocation routines. */