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
constraint.
.TP
.B pmemblk
-Read and write through the NVML libpmemblk interface.
+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.
.TP
.B dev-dax
-Read and write through a DAX device exposed from persistent memory.
+Read and write using device DAX to a persistent memory device
+(e.g., /dev/dax0.0) through the NVML libpmem library.
.RE
.P
.RE