From 6414b04c27c11b1fb58b7605fde9797ffe3dfa32 Mon Sep 17 00:00:00 2001 From: mav Date: Thu, 20 Nov 2014 01:55:12 +0000 Subject: MFC r274154, r274163: Add to CTL support for logical block provisioning threshold notifications. For ZVOL-backed LUNs this allows to inform initiators if storage's used or available spaces get above/below the configured thresholds. Sponsored by: iXsystems, Inc. --- sys/geom/geom_dev.c | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'sys/geom/geom_dev.c') diff --git a/sys/geom/geom_dev.c b/sys/geom/geom_dev.c index c051ea7..6d02ccb 100644 --- a/sys/geom/geom_dev.c +++ b/sys/geom/geom_dev.c @@ -508,6 +508,16 @@ g_dev_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag, struct thread if (error == 0 && *(char *)data == '\0') error = ENOENT; break; + case DIOCGATTR: { + struct diocgattr_arg *arg = (struct diocgattr_arg *)data; + + if (arg->len > sizeof(arg->value)) { + error = EINVAL; + break; + } + error = g_io_getattr(arg->name, cp, &arg->len, &arg->value); + break; + } default: if (cp->provider->geom->ioctl != NULL) { error = cp->provider->geom->ioctl(cp->provider, cmd, data, fflag, td); -- cgit v1.1