engines:io_uring: enable support for separate metadata buffer

[fio.git] / HOWTO.rst

diff --git a/HOWTO.rst b/HOWTO.rst
index ac8314f3531ff4b83e29aacc5c2657df95413a1c..6e0677f28c0b4485c8bcf945833e1ced09db497c 100644 (file)
--- a/HOWTO.rst
+++ b/HOWTO.rst
@@ -2487,6 +2487,10 @@ with the caveat that when used on the command line, they must come after the
         want fio to use placement identifier only at indices 0, 2 and 5 specify
         ``fdp_pli=0,2,5``.
 
+.. option:: md_per_io_size=int : [io_uring_cmd]
+
+       Size in bytes for separate metadata buffer per IO. Default: 0.
+
 .. option:: cpuload=int : [cpuio]
 
        Attempt to use the specified percentage of CPU cycles. This is a mandatory