X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=fio.1;h=cb4351f4ba308a40b38a78055e6a53eaabf2f22d;hb=a06be957386f23a0ac94f215cd1e23e6f4c93161;hp=73a0422965d9c34a21868c6b475b67e05e1b9bcc;hpb=c74cb68a1c13077222471e77f4715e0521cb4ed0;p=fio.git

diff --git a/fio.1 b/fio.1
index 73a04229..cb4351f4 100644
--- a/fio.1
+++ b/fio.1
@@ -1673,6 +1673,20 @@ done other than creating the file.
 Read and write using mmap I/O to a file on a filesystem
 mounted with DAX on a persistent memory device through the PMDK
 libpmem library.
+.TP
+.B ime_psync
+Synchronous read and write using DDN's Infinite Memory Engine (IME). This
+engine is very basic and issues calls to IME whenever an IO is queued.
+.TP
+.B ime_psyncv
+Synchronous read and write using DDN's Infinite Memory Engine (IME). This
+engine uses iovecs and will try to stack as much IOs as possible (if the IOs
+are "contiguous" and the IO depth is not exceeded) before issuing a call to IME.
+.TP
+.B ime_aio
+Asynchronous read and write using DDN's Infinite Memory Engine (IME). This
+engine will try to stack as much IOs as possible by creating requests for IME.
+FIO will then decide when to commit these requests.
 .SS "I/O engine specific parameters"
 In addition, there are some parameters which are only valid when a specific
 \fBioengine\fR is in use. These are used identically to normal parameters,