Clarify the use of the zonerange and zonesize options for zonemode=zbd. Signed-off-by: Damien Le Moal <damien.lemoal@xxxxxxx> --- fio.1 | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/fio.1 b/fio.1 index d7421eee..c00579bc 100644 --- a/fio.1 +++ b/fio.1 @@ -753,7 +753,10 @@ restricted to a single zone. .RE .TP .BI zonerange \fR=\fPint -Size of a single zone. See also \fBzonesize\fR and \fBzoneskip\fR. +For \fBzonemode\fR=strided, this is the size of a single zone. See also +\fBzonesize\fR and \fBzoneskip\fR. + +For \fBzonemode\fR=zbd, this parameter is ignored. .TP .BI zonesize \fR=\fPint For \fBzonemode\fR=strided, this is the number of bytes to transfer before @@ -762,8 +765,11 @@ skipping \fBzoneskip\fR bytes. If this parameter is smaller than will be accessed. If this parameter is larger than \fBzonerange\fR then each zone will be accessed multiple times before skipping to the next zone. -For \fBzonemode\fR=zbd, this is the size of a single zone. The \fBzonerange\fR -parameter is ignored in this mode. +For \fBzonemode\fR=zbd, this is the size of a single zone. The +\fBzonerange\fR parameter is ignored in this mode. For a job accessing a +zoned block device, the specified \fBzonesize\fR must be 0 or equal to the +device zone size. For a regular block device or file, the specified +\fBzonesize\fR must be at least 512B. .TP .BI zoneskip \fR=\fPint For \fBzonemode\fR=strided, the number of bytes to skip after \fBzonesize\fR -- 2.21.0
