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Allow to insert new component to geom_raid3 without specifying number. 

PR:		kern/160562
MFC after:	2 weeks
This commit is contained in:
Alexander Motin 2013-01-15 10:06:35 +00:00
parent 3415f14f85
commit 2c6a273750
3 changed files with 34 additions and 19 deletions
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2
sbin/geom/class/raid3/geom_raid3.c
View File

@ -76,7 +76,7 @@ struct g_command class_commands[] = {
{ "insert", G_FLAG_VERBOSE, NULL,
{
{ 'h', "hardcode", NULL, G_TYPE_BOOL },
{ 'n', "number", NULL, G_TYPE_NUMBER },
{ 'n', "number", G_VAL_OPTIONAL, G_TYPE_NUMBER },
G_OPT_SENTINEL
},
"[-hv] <-n number> name prov"

6
sbin/geom/class/raid3/graid3.8
View File

@ -24,7 +24,7 @@
.\"
.\" $FreeBSD$
.\"
.Dd January 5, 2010
.Dd January 15, 2012
.Dt GRAID3 8
.Os
.Sh NAME
@ -53,7 +53,7 @@
.Nm
.Cm insert
.Op Fl hv
.Fl n Ar number
.Op Fl n Ar number
.Ar name
.Ar prov
.Nm
@ -171,6 +171,8 @@ Add the given component to the existing array, if one of the components was
removed previously with the
.Cm remove
command or if one component is missing and will not be connected again.
If no number is given, new component will be added instead of first missed
component.
.Pp
Additional options include:
.Bl -tag -width ".Fl h"

45
sys/geom/raid3/g_raid3_ctl.c
View File

@ -404,7 +404,7 @@ g_raid3_ctl_insert(struct gctl_req *req, struct g_class *mp)
u_char *sector;
off_t compsize;
intmax_t *no;
int *hardcode, *nargs, error;
int *hardcode, *nargs, error, autono;
nargs = gctl_get_paraml(req, "nargs", sizeof(*nargs));
if (nargs == NULL) {
@ -425,11 +425,10 @@ g_raid3_ctl_insert(struct gctl_req *req, struct g_class *mp)
gctl_error(req, "No 'arg%u' argument.", 1);
return;
}
no = gctl_get_paraml(req, "number", sizeof(*no));
if (no == NULL) {
gctl_error(req, "No '%s' argument.", "no");
return;
}
if (gctl_get_param(req, "number", NULL) != NULL)
no = gctl_get_paraml(req, "number", sizeof(*no));
else
no = NULL;
if (strncmp(name, "/dev/", 5) == 0)
name += 5;
g_topology_lock();
@ -465,16 +464,30 @@ g_raid3_ctl_insert(struct gctl_req *req, struct g_class *mp)
gctl_error(req, "No such device: %s.", name);
goto end;
}
if (*no >= sc->sc_ndisks) {
sx_xunlock(&sc->sc_lock);
gctl_error(req, "Invalid component number.");
goto end;
}
disk = &sc->sc_disks[*no];
if (disk->d_state != G_RAID3_DISK_STATE_NODISK) {
sx_xunlock(&sc->sc_lock);
gctl_error(req, "Component %jd is already connected.", *no);
goto end;
if (no != NULL) {
if (*no < 0 || *no >= sc->sc_ndisks) {
sx_xunlock(&sc->sc_lock);
gctl_error(req, "Invalid component number.");
goto end;
}
disk = &sc->sc_disks[*no];
if (disk->d_state != G_RAID3_DISK_STATE_NODISK) {
sx_xunlock(&sc->sc_lock);
gctl_error(req, "Component %jd is already connected.",
*no);
goto end;
}
} else {
disk = NULL;
for (autono = 0; autono < sc->sc_ndisks && disk == NULL; autono++)
if (sc->sc_disks[autono].d_state ==
G_RAID3_DISK_STATE_NODISK)
disk = &sc->sc_disks[autono];
if (disk == NULL) {
sx_xunlock(&sc->sc_lock);
gctl_error(req, "No disconnected components.");
goto end;
}
}
if (((sc->sc_sectorsize / (sc->sc_ndisks - 1)) % pp->sectorsize) != 0) {
sx_xunlock(&sc->sc_lock);