Module Name: src
Committed By: riastradh
Date: Mon Mar 28 12:36:34 UTC 2022
Modified Files:
src/sys/miscfs/specfs: specdev.h
Log Message:
specfs: Document sn_opencnt, sd_opencnt, sd_refcnt.
To generate a diff of this commit:
cvs rdiff -u -r1.46 -r1.47 src/sys/miscfs/specfs/specdev.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/miscfs/specfs/specdev.h
diff -u src/sys/miscfs/specfs/specdev.h:1.46 src/sys/miscfs/specfs/specdev.h:1.47
--- src/sys/miscfs/specfs/specdev.h:1.46 Sun Jul 18 23:57:15 2021
+++ src/sys/miscfs/specfs/specdev.h Mon Mar 28 12:36:34 2022
@@ -1,4 +1,4 @@
-/* $NetBSD: specdev.h,v 1.46 2021/07/18 23:57:15 dholland Exp $ */
+/* $NetBSD: specdev.h,v 1.47 2022/03/28 12:36:34 riastradh Exp $ */
/*-
* Copyright (c) 2008 The NetBSD Foundation, Inc.
@@ -66,7 +66,7 @@
typedef struct specnode {
vnode_t *sn_next;
struct specdev *sn_dev;
- u_int sn_opencnt;
+ u_int sn_opencnt; /* # of opens, share of sd_opencnt */
dev_t sn_rdev;
bool sn_gone;
} specnode_t;
@@ -75,8 +75,8 @@ typedef struct specdev {
struct mount *sd_mountpoint;
struct lockf *sd_lockf;
vnode_t *sd_bdevvp;
- u_int sd_opencnt;
- u_int sd_refcnt;
+ u_int sd_opencnt; /* # of opens; close when ->0 */
+ u_int sd_refcnt; /* # of specnodes referencing this */
dev_t sd_rdev;
} specdev_t;
