From 8489dae4360f2b00d89a6e9603c6167314b1974d Mon Sep 17 00:00:00 2001 From: Sebastian Kayser Date: Wed, 1 Dec 2010 22:28:47 +0100 Subject: [PATCH] fio.1: Add ioengines heads up to the iodepth section Signed-off-by: Jens Axboe --- fio.1 | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/fio.1 b/fio.1 index b0276c4c..ab147f28 100644 --- a/fio.1 +++ b/fio.1 @@ -379,7 +379,9 @@ Loads an external I/O engine object file. Append the engine filename as .RE .TP .BI iodepth \fR=\fPint -Number of I/O units to keep in flight against the file. Default: 1. +Number of I/O units to keep in flight against the file. Note that increasing +iodepth beyond 1 will not affect synchronous ioengines (except for small +degress when verify_async is in use). Default: 1. .TP .BI iodepth_batch \fR=\fPint Number of I/Os to submit at once. Default: \fBiodepth\fR. -- 2.25.1