Module Name: src Committed By: riastradh Date: Fri Apr 21 18:44:18 UTC 2023
Modified Files: src/sys/dev/dkwedge: dk.c Log Message: dk(4): Take a read-lock on dkwedges_lock if we're only reading. - dkwedge_find_by_name - dkwedge_find_by_parent - dkwedge_print_wnames To generate a diff of this commit: cvs rdiff -u -r1.144 -r1.145 src/sys/dev/dkwedge/dk.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/sys/dev/dkwedge/dk.c diff -u src/sys/dev/dkwedge/dk.c:1.144 src/sys/dev/dkwedge/dk.c:1.145 --- src/sys/dev/dkwedge/dk.c:1.144 Fri Apr 21 18:31:00 2023 +++ src/sys/dev/dkwedge/dk.c Fri Apr 21 18:44:18 2023 @@ -1,4 +1,4 @@ -/* $NetBSD: dk.c,v 1.144 2023/04/21 18:31:00 riastradh Exp $ */ +/* $NetBSD: dk.c,v 1.145 2023/04/21 18:44:18 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 1.144 2023/04/21 18:31:00 riastradh Exp $"); +__KERNEL_RCSID(0, "$NetBSD: dk.c,v 1.145 2023/04/21 18:44:18 riastradh Exp $"); #ifdef _KERNEL_OPT #include "opt_dkwedge.h" @@ -877,7 +877,7 @@ dkwedge_find_by_wname(const char *wname) struct dkwedge_softc *sc; int i; - rw_enter(&dkwedges_lock, RW_WRITER); + rw_enter(&dkwedges_lock, RW_READER); for (i = 0; i < ndkwedges; i++) { if ((sc = dkwedges[i]) == NULL) continue; @@ -900,7 +900,7 @@ device_t dkwedge_find_by_parent(const char *name, size_t *i) { - rw_enter(&dkwedges_lock, RW_WRITER); + rw_enter(&dkwedges_lock, RW_READER); for (; *i < (size_t)ndkwedges; (*i)++) { struct dkwedge_softc *sc; if ((sc = dkwedges[*i]) == NULL) @@ -920,7 +920,7 @@ dkwedge_print_wnames(void) struct dkwedge_softc *sc; int i; - rw_enter(&dkwedges_lock, RW_WRITER); + rw_enter(&dkwedges_lock, RW_READER); for (i = 0; i < ndkwedges; i++) { if ((sc = dkwedges[i]) == NULL) continue;