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Date:      Mon, 13 Mar 2017 11:09:17 +0000 (UTC)
From:      Scott Long <scottl@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r315195 - head/sys/geom
Message-ID:  <201703131109.v2DB9Hdv004885@repo.freebsd.org>
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Author: scottl
Date: Mon Mar 13 11:09:17 2017
New Revision: 315195
URL: https://svnweb.freebsd.org/changeset/base/315195

Log:
  Report disk flags via the sysctl tree

Modified:
  head/sys/geom/geom_disk.c

Modified: head/sys/geom/geom_disk.c
==============================================================================
--- head/sys/geom/geom_disk.c	Mon Mar 13 10:49:36 2017	(r315194)
+++ head/sys/geom/geom_disk.c	Mon Mar 13 11:09:17 2017	(r315195)
@@ -77,6 +77,8 @@ static g_ioctl_t g_disk_ioctl;
 static g_dumpconf_t g_disk_dumpconf;
 static g_provgone_t g_disk_providergone;
 
+static int g_disk_sysctl_flags(SYSCTL_HANDLER_ARGS);
+
 static struct g_class g_disk_class = {
 	.name = G_DISK_CLASS_NAME,
 	.version = G_VERSION,
@@ -725,6 +727,10 @@ g_disk_create(void *arg, int flag)
 		    SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO, "led",
 		    CTLFLAG_RWTUN, sc->led, sizeof(sc->led),
 		    "LED name");
+		SYSCTL_ADD_PROC(&sc->sysctl_ctx,
+		    SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO, "flags",
+		    CTLTYPE_STRING | CTLFLAG_RD, dp, 0, g_disk_sysctl_flags,
+		    "A", "Report disk flags");
 	}
 	pp->private = sc;
 	dp->d_geom = gp;
@@ -995,6 +1001,30 @@ g_kern_disks(void *p, int flag __unused)
 }
 
 static int
+g_disk_sysctl_flags(SYSCTL_HANDLER_ARGS)
+{
+	struct disk *dp;
+	struct sbuf *sb;
+	int error;
+
+	sb = sbuf_new_auto();
+	dp = (struct disk *)arg1;
+	sbuf_printf(sb, "%b", dp->d_flags,
+		"\20"
+		"\2OPEN"
+		"\3CANDELETE"
+		"\4CANFLUSHCACHE"
+		"\5UNMAPPEDBIO"
+		"\6DIRECTCOMPLETION"
+		"\10CANZONE");
+
+	sbuf_finish(sb);
+	error = SYSCTL_OUT(req, sbuf_data(sb), sbuf_len(sb) + 1);
+	sbuf_delete(sb);
+	return (error);
+}
+
+static int
 sysctl_disks(SYSCTL_HANDLER_ARGS)
 {
 	int error;

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