X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=fio.1;fp=fio.1;h=e2a363272c7d3786f3d76be607ae029b580374fa;hb=860462dad312ef121766f5d17b1df7b05d1f47ee;hp=20acd081c39ec89d7c2e180c62e56534477cfbc8;hpb=b3048c1b564fc793ee11004a17b2a4de5a82be27;p=fio.git

diff --git a/fio.1 b/fio.1
index 20acd081..e2a36327 100644
--- a/fio.1
+++ b/fio.1
@@ -3144,6 +3144,14 @@ Set the I/O priority class. See man \fBionice\fR\|(1). For per-command
 priority setting, see the I/O engine specific `cmdprio_percentage` and
 `cmdprio_class` options.
 .TP
+.BI priohint \fR=\fPint
+Set the I/O priority hint. This is only applicable to platforms that support
+I/O priority classes and to devices with features controlled through priority
+hints, e.g. block devices supporting command duration limits, or CDL. CDL is a
+way to indicate the desired maximum latency of I/Os so that the device can
+optimize its internal command scheduling according to the latency limits
+indicated by the user.
+.TP
 .BI cpus_allowed \fR=\fPstr
 Controls the same options as \fBcpumask\fR, but accepts a textual
 specification of the permitted CPUs instead and CPUs are indexed from 0. So