[src/trunk]: src/sys/rump/librump Allow device components to create symlinks ...

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

details:   https://anonhg.NetBSD.org/src/rev/cc24ca222f51
branches:  trunk
changeset: 338786:cc24ca222f51
user:      pooka <pooka%NetBSD.org@localhost>
date:      Mon Jun 08 12:16:47 2015 +0000

description:
Allow device components to create symlinks in /dev
e.g. /dev/audio -> audio0

from Robert Millan <rmh%freebsd.org@localhost> via rumpkernel-users

diffstat:

 sys/rump/librump/rumpkern/rump.c            |   5 +++--
 sys/rump/librump/rumpvfs/devnodes.c         |  12 ++++++++++--
 sys/rump/librump/rumpvfs/rump_vfs_private.h |   3 ++-
 3 files changed, 15 insertions(+), 5 deletions(-)

diffs (83 lines):

diff -r 7cb6d7043021 -r cc24ca222f51 sys/rump/librump/rumpkern/rump.c
--- a/sys/rump/librump/rumpkern/rump.c  Mon Jun 08 08:21:49 2015 +0000
+++ b/sys/rump/librump/rumpkern/rump.c  Mon Jun 08 12:16:47 2015 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: rump.c,v 1.320 2015/05/20 11:02:54 pooka Exp $ */
+/*     $NetBSD: rump.c,v 1.321 2015/06/08 12:16:47 pooka Exp $ */
 
 /*
  * Copyright (c) 2007-2011 Antti Kantee.  All Rights Reserved.
@@ -26,7 +26,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: rump.c,v 1.320 2015/05/20 11:02:54 pooka Exp $");
+__KERNEL_RCSID(0, "$NetBSD: rump.c,v 1.321 2015/06/08 12:16:47 pooka Exp $");
 
 #include <sys/systm.h>
 #define ELFSIZE ARCH_ELFSIZE
@@ -125,6 +125,7 @@
                                devmajor_t, devminor_t) = (void *)nullop;
 int  (*rump_vfs_makedevnodes)(dev_t, const char *, char,
                              devmajor_t, devminor_t, int) = (void *)nullop;
+int  (*rump_vfs_makesymlink)(const char *, const char *) = (void *)nullop;
 
 rump_proc_vfs_init_fn rump_proc_vfs_init = (void *)nullop;
 rump_proc_vfs_release_fn rump_proc_vfs_release = (void *)nullop;
diff -r 7cb6d7043021 -r cc24ca222f51 sys/rump/librump/rumpvfs/devnodes.c
--- a/sys/rump/librump/rumpvfs/devnodes.c       Mon Jun 08 08:21:49 2015 +0000
+++ b/sys/rump/librump/rumpvfs/devnodes.c       Mon Jun 08 12:16:47 2015 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: devnodes.c,v 1.10 2014/06/20 11:27:25 pooka Exp $      */
+/*     $NetBSD: devnodes.c,v 1.11 2015/06/08 12:16:47 pooka Exp $      */
 
 /*
  * Copyright (c) 2009 Antti Kantee.  All Rights Reserved.
@@ -26,7 +26,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: devnodes.c,v 1.10 2014/06/20 11:27:25 pooka Exp $");
+__KERNEL_RCSID(0, "$NetBSD: devnodes.c,v 1.11 2015/06/08 12:16:47 pooka Exp $");
 
 #include <sys/param.h>
 #include <sys/device.h>
@@ -87,6 +87,13 @@
        return error;
 }
 
+static int
+makesymlink(const char *dst, const char *src)
+{
+
+       return do_sys_symlink(dst, src, UIO_SYSSPACE);
+}
+
 enum { NOTEXIST, SAME, DIFFERENT };
 static int
 doesitexist(const char *path, bool isblk, devmajor_t dmaj, devminor_t dmin)
@@ -177,6 +184,7 @@
 
        rump_vfs_makeonedevnode = makeonedevnode;
        rump_vfs_makedevnodes = makedevnodes;
+       rump_vfs_makesymlink = makesymlink;
 
        for (i = 0; i < dcvecsize; i++) {
                dc = &dcvec[i];
diff -r 7cb6d7043021 -r cc24ca222f51 sys/rump/librump/rumpvfs/rump_vfs_private.h
--- a/sys/rump/librump/rumpvfs/rump_vfs_private.h       Mon Jun 08 08:21:49 2015 +0000
+++ b/sys/rump/librump/rumpvfs/rump_vfs_private.h       Mon Jun 08 12:16:47 2015 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: rump_vfs_private.h,v 1.18 2014/11/17 14:30:31 pooka Exp $      */
+/*     $NetBSD: rump_vfs_private.h,v 1.19 2015/06/08 12:16:47 pooka Exp $      */
 
 /*
  * Copyright (c) 2008 Antti Kantee.  All Rights Reserved.
@@ -50,6 +50,7 @@
                                           devmajor_t, devminor_t);
 extern int     (*rump_vfs_makedevnodes)(dev_t, const char *, char,
                                         devmajor_t, devminor_t, int);
+extern int     (*rump_vfs_makesymlink)(const char *, const char *);
 extern void    (*rump_vfs_drainbufs)(int);
 extern void    (*rump_vfs_fini)(void);