X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=HOWTO;h=9c8a8375ae513a7775c08d0378a224930cafc681;hp=33f8718a94d0352f995827f63ed3384f83d9cd63;hb=a12fc8b23973709b3dbe8cf752c7e4f4b31a3233;hpb=cf8775b8badd332973dd580471492423075224e6

diff --git a/HOWTO b/HOWTO
index 33f8718a..9c8a8375 100644
--- a/HOWTO
+++ b/HOWTO
@@ -904,11 +904,13 @@ ioengine=str	Defines how the job issues io to the file. The following
 				overwriting. The writetrim mode works well
 				for this constraint.
 
-			pmemblk	Read and write through the NVML libpmemblk
-				interface.
+			pmemblk	Read and write using filesystem DAX to a file
+				on a filesystem mounted with DAX on a persistent
+				memory device through the NVML libpmemblk library.
 
-			dev-dax Read and write through a DAX device exposed
-				from persistent memory.
+			dev-dax Read and write using device DAX to a persistent
+				memory device (e.g., /dev/dax0.0) through the
+				NVML libpmem library.
 
 			external Prefix to specify loading an external
 				IO engine object file. Append the engine