[src/trunk]: src/sys/kern Mention which ioctls need to move to dk_ioctl, and ...

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/6f917b8c4d15
branches:  trunk
changeset: 335257:6f917b8c4d15
user:      christos <christos%NetBSD.org@localhost>
date:      Wed Dec 31 19:58:59 2014 +0000

description:
Mention which ioctls need to move to dk_ioctl, and don't allow wedges on
wedges.

diffstat:

 sys/kern/subr_disk.c |  46 ++++++++++++++++++++++++----------------------
 1 files changed, 24 insertions(+), 22 deletions(-)

diffs (87 lines):

diff -r 33fd11f05439 -r 6f917b8c4d15 sys/kern/subr_disk.c
--- a/sys/kern/subr_disk.c      Wed Dec 31 19:52:04 2014 +0000
+++ b/sys/kern/subr_disk.c      Wed Dec 31 19:58:59 2014 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: subr_disk.c,v 1.108 2014/12/31 19:52:06 christos Exp $ */
+/*     $NetBSD: subr_disk.c,v 1.109 2014/12/31 19:58:59 christos Exp $ */
 
 /*-
  * Copyright (c) 1996, 1997, 1999, 2000, 2009 The NetBSD Foundation, Inc.
@@ -67,7 +67,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: subr_disk.c,v 1.108 2014/12/31 19:52:06 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: subr_disk.c,v 1.109 2014/12/31 19:58:59 christos Exp $");
 
 #include <sys/param.h>
 #include <sys/kernel.h>
@@ -498,16 +498,34 @@
 #endif
 
        switch (cmd) {
+       case DIOCGDISKINFO:
+               if (dk->dk_info == NULL)
+                       return ENOTSUP;
+               return prop_dictionary_copyout_ioctl(data, cmd, dk->dk_info);
+
+       case DIOCGSECTORSIZE:
+               *(u_int *)data = dk->dk_geom.dg_secsize;
+               return 0;
+
+       case DIOCGMEDIASIZE:
+               *(off_t *)data = (off_t)dk->dk_geom.dg_secsize *
+                   dk->dk_geom.dg_secperunit;
+               return 0;
+       default:
+               break;
+       }
+
+       if (dev == 0)
+               return EPASSTHROUGH;
+
+       /* The following should be moved to dk_ioctl */
+       switch (cmd) {
        case DIOCGDINFO:
-               if (dev == 0)
-                       return EPASSTHROUGH;
                memcpy(data, dk->dk_label, sizeof (*dk->dk_label));
                return 0;
 
 #ifdef __HAVE_OLD_DISKLABEL
        case ODIOCGDINFO:
-               if (dev == 0)
-                       return EPASSTHROUGH;
                memcpy(&newlabel, dk->dk_label, sizeof(newlabel));
                if (newlabel.d_npartitions > OLDMAXPARTITIONS)
                        return ENOTTY;
@@ -516,8 +534,6 @@
 #endif
 
        case DIOCGPART:
-               if (dev == 0)
-                       return EPASSTHROUGH;
                pt = data;
                pt->disklab = dk->dk_label;
                pt->part = &dk->dk_label->d_partitions[DISKPART(dev)];
@@ -549,20 +565,6 @@
                dkwedge_discover(dk);
                return 0;
 
-       case DIOCGDISKINFO:
-               if (dk->dk_info == NULL)
-                       return ENOTSUP;
-               return prop_dictionary_copyout_ioctl(data, cmd, dk->dk_info);
-
-       case DIOCGSECTORSIZE:
-               *(u_int *)data = dk->dk_geom.dg_secsize;
-               return 0;
-
-       case DIOCGMEDIASIZE:
-               *(off_t *)data = (off_t)dk->dk_geom.dg_secsize *
-                   dk->dk_geom.dg_secperunit;
-               return 0;
-
        default:
                return EPASSTHROUGH;
        }