diff options
| author | christos <christos@NetBSD.org> | 2016-04-27 02:19:12 +0000 |
|---|---|---|
| committer | christos <christos@NetBSD.org> | 2016-04-27 02:19:12 +0000 |
| commit | 8a85ea28dda96eb4ec9dd4679ac5c3944206dd8f (patch) | |
| tree | 71dac3362fff75848aeb907feac7188c8942c915 /sys/dev | |
| parent | 50554ac853ee5391de7cf8f743fd27813a26ef7e (diff) | |
Add dkwedge_find_by_parent()
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/dkwedge/dk.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/sys/dev/dkwedge/dk.c b/sys/dev/dkwedge/dk.c index 655329f93c3..3c7312b74c9 100644 --- a/sys/dev/dkwedge/dk.c +++ b/sys/dev/dkwedge/dk.c @@ -1,4 +1,4 @@ -/* $NetBSD: dk.c,v 1.88 2016/01/15 07:48:22 mlelstv Exp $ */ +/* $NetBSD: dk.c,v 1.89 2016/04/27 02:19:12 christos Exp $ */ /*- * Copyright (c) 2004, 2005, 2006, 2007 The NetBSD Foundation, Inc. @@ -30,7 +30,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: dk.c,v 1.88 2016/01/15 07:48:22 mlelstv Exp $"); +__KERNEL_RCSID(0, "$NetBSD: dk.c,v 1.89 2016/04/27 02:19:12 christos Exp $"); #ifdef _KERNEL_OPT #include "opt_dkwedge.h" @@ -761,6 +761,23 @@ dkwedge_find_by_wname(const char *wname) return dv; } +device_t +dkwedge_find_by_parent(const char *name, size_t *i) +{ + rw_enter(&dkwedges_lock, RW_WRITER); + for (; *i < (size_t)ndkwedges; (*i)++) { + struct dkwedge_softc *sc; + if ((sc = dkwedges[*i]) == NULL) + continue; + if (strcmp(sc->sc_parent->dk_name, name) != 0) + continue; + rw_exit(&dkwedges_lock); + return sc->sc_dev; + } + rw_exit(&dkwedges_lock); + return NULL; +} + void dkwedge_print_wnames(void) { |
