D22632.id65141.diff
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D22632.id65141.diff
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	Index: lib/geom/nop/gnop.8
	===================================================================
	--- lib/geom/nop/gnop.8
	+++ lib/geom/nop/gnop.8
	@@ -24,7 +24,7 @@
	.\"
	.\" $FreeBSD$
	.\"
	-.Dd December 2, 2019
	+.Dd December 3, 2019
	.Dt GNOP 8
	.Os
	.Sh NAME
	@@ -123,8 +123,8 @@
	Additional options:
	.Bl -tag -width "-c count_until_fail"
	.It Fl c Ar count_until_fail
	-Specifies the number of I/O requests to allow before setting the read and write
	-failure probabilities to 100%.
	+Specifies the number of I/O requests to allow before setting the read, write and
	+delay failure probabilities.
	.It Fl d Ar delaymsec
	Specifies the delay of the requests in milliseconds.
	Note that requests will be delayed before they are sent to the backing device.
	Index: sys/geom/nop/g_nop.c
	===================================================================
	--- sys/geom/nop/g_nop.c
	+++ sys/geom/nop/g_nop.c
	@@ -210,10 +210,6 @@

	G_NOP_LOGREQ(bp, "Request received.");
	mtx_lock(&sc->sc_lock);
	- if (sc->sc_count_until_fail != 0 && --sc->sc_count_until_fail == 0) {
	- sc->sc_rfailprob = 100;
	- sc->sc_wfailprob = 100;
	- }
	switch (bp->bio_cmd) {
	case BIO_READ:
	sc->sc_reads++;
	@@ -260,7 +256,13 @@
	sc->sc_cmd2s++;
	break;
	}
	+ if (sc->sc_count_until_fail != 0 && --sc->sc_count_until_fail != 0) {
	+ failprob = 0;
	+ delayprob = 0;
	+ delaytime = 0;
	+ }
	mtx_unlock(&sc->sc_lock);
	+
	if (failprob > 0) {
	u_int rval;