diff options
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/dkwedge/dk.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/sys/dev/dkwedge/dk.c b/sys/dev/dkwedge/dk.c index 958327c6d36..04b85cafe41 100644 --- a/sys/dev/dkwedge/dk.c +++ b/sys/dev/dkwedge/dk.c @@ -1,4 +1,4 @@ -/* $NetBSD: dk.c,v 1.169 2023/05/22 14:59:58 riastradh Exp $ */ +/* $NetBSD: dk.c,v 1.170 2023/05/22 15:00:06 riastradh 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 1.169 2023/05/22 14:59:58 riastradh Exp $"); +__KERNEL_RCSID(0, "$NetBSD: dk.c,v 1.170 2023/05/22 15:00:06 riastradh Exp $"); #ifdef _KERNEL_OPT #include "opt_dkwedge.h" @@ -1824,6 +1824,11 @@ dkdiscard(dev_t dev, off_t pos, off_t len) static int dksize(dev_t dev) { + /* + * Don't bother taking a reference because this is only used + * either (a) while the device is open (for swap), or (b) while + * any multiprocessing is quiescent (for crash dumps). + */ struct dkwedge_softc *sc = dkwedge_lookup(dev); uint64_t p_size; int rv = -1; @@ -1855,6 +1860,10 @@ dksize(dev_t dev) static int dkdump(dev_t dev, daddr_t blkno, void *va, size_t size) { + /* + * Don't bother taking a reference because this is only used + * while any multiprocessing is quiescent. + */ struct dkwedge_softc *sc = dkwedge_lookup(dev); const struct bdevsw *bdev; uint64_t p_size, p_offset; |
