Now, that we have gjournal in the tree add possibility to configure

gmirror and graid3 in a way that it is not resynchronized after a
power failure or system crash.
It is safe when gjournal is running on top of gmirror/graid3.

2 files changed, 20 insertions, 7 deletions

diff --git a/sbin/geom/class/raid3/geom_raid3.c b/sbin/geom/class/raid3/geom_raid3.c
index 3f4df97..1bb41cb 100644
--- a/sbin/geom/class/raid3/geom_raid3.c
+++ b/sbin/geom/class/raid3/geom_raid3.c
@@ -58,6 +58,8 @@ struct g_command class_commands[] = {
 	    {
 		{ 'a', "autosync", NULL, G_TYPE_BOOL },
 		{ 'd', "dynamic", NULL, G_TYPE_BOOL },
+		{ 'f', "failsync", NULL, G_TYPE_BOOL },
+		{ 'F', "nofailsync", NULL, G_TYPE_BOOL },
 		{ 'h', "hardcode", NULL, G_TYPE_BOOL },
 		{ 'n', "noautosync", NULL, G_TYPE_BOOL },
 		{ 'r', "round_robin", NULL, G_TYPE_BOOL },
@@ -66,7 +68,7 @@ struct g_command class_commands[] = {
 		{ 'W', "noverify", NULL, G_TYPE_BOOL },
 		G_OPT_SENTINEL
 	    },
-	    "[-adhnrRvwW] name"
+	    "[-adfFhnrRvwW] name"
 	},
 	{ "dump", 0, raid3_main, G_NULL_OPTS,
 	    "prov ..."
@@ -82,12 +84,13 @@ struct g_command class_commands[] = {
 	{ "label", G_FLAG_VERBOSE, raid3_main,
 	    {
 		{ 'h', "hardcode", NULL, G_TYPE_BOOL },
+		{ 'F', "nofailsync", NULL, G_TYPE_BOOL },
 		{ 'n', "noautosync", NULL, G_TYPE_BOOL },
 		{ 'r', "round_robin", NULL, G_TYPE_BOOL },
 		{ 'w', "verify", NULL, G_TYPE_BOOL },
 		G_OPT_SENTINEL
 	    },
-	    "[-hnrvw] name prov prov prov ..."
+	    "[-hFnrvw] name prov prov prov ..."
 	},
 	{ "rebuild", G_FLAG_VERBOSE, NULL, G_NULL_OPTS,
 	    "[-v] name prov"
@@ -142,7 +145,8 @@ raid3_label(struct gctl_req *req)
 	const char *str;
 	unsigned sectorsize, ssize;
 	off_t mediasize, msize;
-	int error, i, nargs, hardcode, noautosync, round_robin, verify;
+	int hardcode, round_robin, verify;
+	int error, i, nargs;
 
 	nargs = gctl_get_int(req, "nargs");
 	if (nargs < 4) {
@@ -165,9 +169,10 @@ raid3_label(struct gctl_req *req)
 	md.md_genid = 0;
 	md.md_syncid = 1;
 	md.md_sync_offset = 0;
-	noautosync = gctl_get_int(req, "noautosync");
-	if (noautosync)
+	if (gctl_get_int(req, "noautosync"))
 		md.md_mflags |= G_RAID3_DEVICE_FLAG_NOAUTOSYNC;
+	if (gctl_get_int(req, "nofailsync"))
+		md.md_mflags |= G_RAID3_DEVICE_FLAG_NOFAILSYNC;
 	round_robin = gctl_get_int(req, "round_robin");
 	if (round_robin)
 		md.md_mflags |= G_RAID3_DEVICE_FLAG_ROUND_ROBIN;
diff --git a/sbin/geom/class/raid3/graid3.8 b/sbin/geom/class/raid3/graid3.8
index b2da0bf..d9420b6 100644
--- a/sbin/geom/class/raid3/graid3.8
+++ b/sbin/geom/class/raid3/graid3.8
@@ -33,7 +33,7 @@
 .Sh SYNOPSIS
 .Nm
 .Cm label
-.Op Fl hnrvw
+.Op Fl Fhnrvw
 .Ar name
 .Ar prov prov prov ...
 .Nm
@@ -42,7 +42,7 @@
 .Ar prov ...
 .Nm
 .Cm configure
-.Op Fl adhnrRvwW
+.Op Fl adfFhnrRvwW
 .Ar name
 .Nm
 .Cm rebuild
@@ -97,6 +97,9 @@ The number of components must be equal to 3, 5, 9, 17, etc.\& (2^n + 1).
 .Pp
 Additional options include:
 .Bl -tag -width ".Fl h"
+.It Fl F
+Do not synchronize after a power failure or system crash.
+Assumes device is in consistent state.
 .It Fl h
 Hardcode providers' names in metadata.
 .It Fl n
@@ -134,6 +137,11 @@ Additional options include:
 Turn on autosynchronization of stale components.
 .It Fl d
 Do not hardcode providers' names in metadata.
+.It Fl f
+Synchronize device after a power failure or system crash.
+.It Fl F
+Do not synchronize after a power failure or system crash.
+Assumes device is in consistent state.
 .It Fl h
 Hardcode providers' names in metadata.
 .It Fl n