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Implement the "kern.disks" sysctl in GEOM.

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This makes "mdconfig -l" work again.

Sponsored by:	DARPA & NAI Labs.
This commit is contained in:
phk 2002-10-04 10:15:26 +00:00
parent 8ce4f690c1
commit 8891e95872
1 changed files with 38 additions and 1 deletions
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39
sys/geom/geom_disk.c
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@ -263,7 +263,6 @@ disk_invalidate (struct disk *disk)
{
}
SYSCTL_INT(_debug_sizeof, OID_AUTO, disklabel, CTLFLAG_RD,
0, sizeof(struct disklabel), "sizeof(struct disklabel)");
@ -272,3 +271,41 @@ SYSCTL_INT(_debug_sizeof, OID_AUTO, diskslices, CTLFLAG_RD,
SYSCTL_INT(_debug_sizeof, OID_AUTO, disk, CTLFLAG_RD,
0, sizeof(struct disk), "sizeof(struct disk)");
static void
g_kern_disks(void *p)
{
struct sbuf *sb;
struct g_geom *gp;
char *sp;
sb = p;
sp = "";
g_topology_assert();
LIST_FOREACH(gp, &g_disk_class.geom, geom) {
sbuf_printf(sb, "%s%s", sp, gp->name);
sp = " ";
}
sbuf_finish(sb);
wakeup(sb);
}
static int
sysctl_disks(SYSCTL_HANDLER_ARGS)
{
int error;
struct sbuf *sb;
sb = sbuf_new(NULL, NULL, 0, SBUF_AUTOEXTEND);
sbuf_clear(sb);
g_call_me(g_kern_disks, sb);
do {
tsleep(sb, PZERO, "kern.disks", hz);
} while(!sbuf_done(sb));
error = SYSCTL_OUT(req, sbuf_data(sb), sbuf_len(sb));
sbuf_delete(sb);
return error;
}
SYSCTL_PROC(_kern, OID_AUTO, disks, CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_NOLOCK, 0, 0,
sysctl_disks, "A", "names of available disks");