before overwriting. The \fBtrimwrite\fR mode works well for this
constraint.
.TP
-.B pmemblk
-Read and write using filesystem DAX to a file on a filesystem
-mounted with DAX on a persistent memory device through the PMDK
-libpmemblk library.
-.TP
.B dev\-dax
Read and write using device DAX to a persistent memory device (e.g.,
/dev/dax0.0) through the PMDK libpmem library.