crct10: use isa-l for crc if available

[fio.git] / HOWTO.rst

diff --git a/HOWTO.rst b/HOWTO.rst
index 6a8fb3e375b719c2c4e2f5effcef694763764495..34d6afdf6e6e4f87df0f5db29f1a8df34ba32207 100644 (file)
--- a/HOWTO.rst
+++ b/HOWTO.rst
@@ -2507,6 +2507,10 @@ with the caveat that when used on the command line, they must come after the
        If this is set to 0, fio generates protection information for
        write case and verifies for read case. Default: 1.
 
+       For 16 bit CRC generation fio will use isa-l if available otherwise
+       it will use the default slower generator.
+       (see: https://github.com/intel/isa-l)
+
 .. option:: pi_chk=str[,str][,str] : [io_uring_cmd]
 
        Controls the protection information check. This can take one or more