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authormav <mav@FreeBSD.org>2014-11-20 01:55:12 +0000
committermav <mav@FreeBSD.org>2014-11-20 01:55:12 +0000
commit6414b04c27c11b1fb58b7605fde9797ffe3dfa32 (patch)
treeb3e695871eabeae5b0f9c125f54622c300f3baf5 /sys/geom
parent3f382b8a2d8301dde56a5e8b9bde1a25c1bcca19 (diff)
downloadFreeBSD-src-6414b04c27c11b1fb58b7605fde9797ffe3dfa32.zip
FreeBSD-src-6414b04c27c11b1fb58b7605fde9797ffe3dfa32.tar.gz
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.
Diffstat (limited to 'sys/geom')
-rw-r--r--sys/geom/geom_dev.c10
1 files changed, 10 insertions, 0 deletions
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);
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