From: Jens Axboe <axboe@kernel.dk>
Date: Tue, 20 Mar 2012 09:19:44 +0000 (+0100)
Subject: options: add ->hide_on_set
X-Git-Tag: gfio-0.1~91
X-Git-Url: https://git.kernel.dk/?p=fio.git;a=commitdiff_plain;h=a4ed77fe07de1ca78cd44a6378dc20a2cd1ce7ad

options: add ->hide_on_set

Normally we hide children if the parent isn't set, but for some
options it's the other way around.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/goptions.c b/goptions.c
index f7ba3038..b8ebaf9a 100644
--- a/goptions.c
+++ b/goptions.c
@@ -108,6 +108,9 @@ static void gopt_set_children_visible(struct fio_option *parent,
 	struct fio_option *o;
 	int i;
 
+	if (parent->hide_on_set)
+		visible = !visible;
+
 	/*
 	 * This isn't super fast, but it should not be an issue. If it is, we
 	 * can speed it up by caching the lookup at least. Or we can do it
diff --git a/options.c b/options.c
index 819c06d7..066724b2 100644
--- a/options.c
+++ b/options.c
@@ -2625,6 +2625,7 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
 		.help	= "Greatly reduce number of gettimeofday() calls",
 		.cb	= str_gtod_reduce_cb,
 		.def	= "0",
+		.hide_on_set = 1,
 		.category = FIO_OPT_C_STAT,
 		.group	= FIO_OPT_G_INVALID,
 	},
diff --git a/parse.h b/parse.h
index fe3b6bc5..83cb5b16 100644
--- a/parse.h
+++ b/parse.h
@@ -62,6 +62,7 @@ struct fio_option {
 	struct value_pair posval[PARSE_MAX_VP];/* possible values */
 	const char *parent;		/* parent option */
 	int hide;			/* hide if parent isn't set */
+	int hide_on_set;		/* hide on set, not on unset */
 	const char *inverse;		/* if set, apply opposite action to this option */
 	struct fio_option *inv_opt;	/* cached lookup */
 	int (*verify)(struct fio_option *, void *);