If residual count == full count, fail the io

[fio.git] / fio.h

diff --git a/fio.h b/fio.h
index 41a1790dee686e8837c77531e1d249cac2647513..b085cd1e03d6f593c25eaca266cc2f8d066f3ade 100644 (file)
--- a/fio.h
+++ b/fio.h
@@ -214,6 +214,7 @@ enum fio_ioengine_flags {
        FIO_SYNCIO      = 1 << 0,       /* io engine has synchronous ->queue */
        FIO_RAWIO       = 1 << 1,       /* some sort of direct/raw io */
        FIO_DISKLESSIO  = 1 << 2,       /* no disk involved */
+       FIO_NOEXTEND    = 1 << 3,       /* engine can't extend file */
 };
 
 /*