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[src/trunk]: src - Prevent tmpfs.h from inclusion in userland.
details: https://anonhg.NetBSD.org/src/rev/8b98fe167eeb
branches: trunk
changeset: 765510:8b98fe167eeb
user: rmind <rmind%NetBSD.org@localhost>
date: Sun May 29 01:00:50 2011 +0000
description:
- Prevent tmpfs.h from inclusion in userland.
- Clean up and KNF tmpfs.h a little bit.
diffstat:
sys/fs/tmpfs/tmpfs.h | 107 ++++++++++++++++++++++++++-----------------------
usr.bin/fstat/tmpfs.c | 6 +-
2 files changed, 61 insertions(+), 52 deletions(-)
diffs (191 lines):
diff -r 4f233cae6c63 -r 8b98fe167eeb sys/fs/tmpfs/tmpfs.h
--- a/sys/fs/tmpfs/tmpfs.h Sat May 28 23:24:58 2011 +0000
+++ b/sys/fs/tmpfs/tmpfs.h Sun May 29 01:00:50 2011 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: tmpfs.h,v 1.41 2011/05/24 20:17:49 rmind Exp $ */
+/* $NetBSD: tmpfs.h,v 1.42 2011/05/29 01:00:50 rmind Exp $ */
/*
* Copyright (c) 2005, 2006, 2007 The NetBSD Foundation, Inc.
@@ -30,8 +30,12 @@
* POSSIBILITY OF SUCH DAMAGE.
*/
-#ifndef _FS_TMPFS_TMPFS_H_
-#define _FS_TMPFS_TMPFS_H_
+#ifndef _FS_TMPFS_H_
+#define _FS_TMPFS_H_
+
+#if !defined(_KERNEL) && !defined(_KMEMUSER)
+#error "not supposed to be exposed to userland"
+#endif
#include <sys/dirent.h>
#include <sys/mount.h>
@@ -197,7 +201,7 @@
(TMPFS_NODE_ACCESSED | TMPFS_NODE_MODIFIED | TMPFS_NODE_CHANGED)
/* White-out inode indicator. */
-#define TMPFS_NODE_WHITEOUT ((struct tmpfs_node *)-1)
+#define TMPFS_NODE_WHITEOUT ((tmpfs_node_t *)-1)
/*
* Internal representation of a tmpfs mount point.
@@ -237,59 +241,62 @@
* Prototypes for tmpfs_subr.c.
*/
-int tmpfs_alloc_node(struct tmpfs_mount *, enum vtype,
- uid_t uid, gid_t gid, mode_t mode, struct tmpfs_node *,
- char *, dev_t, struct tmpfs_node **);
-void tmpfs_free_node(struct tmpfs_mount *, struct tmpfs_node *);
-int tmpfs_alloc_dirent(struct tmpfs_mount *, struct tmpfs_node *,
- const char *, uint16_t, struct tmpfs_dirent **);
-void tmpfs_free_dirent(struct tmpfs_mount *, struct tmpfs_dirent *,
- bool);
-int tmpfs_alloc_vp(struct mount *, struct tmpfs_node *, struct vnode **);
-void tmpfs_free_vp(struct vnode *);
-int tmpfs_alloc_file(struct vnode *, struct vnode **, struct vattr *,
- struct componentname *, char *);
-void tmpfs_dir_attach(struct vnode *, struct tmpfs_dirent *);
-void tmpfs_dir_detach(struct vnode *, struct tmpfs_dirent *);
-struct tmpfs_dirent * tmpfs_dir_lookup(struct tmpfs_node *node,
- struct componentname *cnp);
-int tmpfs_dir_getdotdent(struct tmpfs_node *, struct uio *);
-int tmpfs_dir_getdotdotdent(struct tmpfs_node *, struct uio *);
-struct tmpfs_dirent * tmpfs_dir_lookupbycookie(struct tmpfs_node *, off_t);
-int tmpfs_dir_getdents(struct tmpfs_node *, struct uio *, off_t *);
-int tmpfs_reg_resize(struct vnode *, off_t);
-int tmpfs_chflags(struct vnode *, int, kauth_cred_t, struct lwp *);
-int tmpfs_chmod(struct vnode *, mode_t, kauth_cred_t, struct lwp *);
-int tmpfs_chown(struct vnode *, uid_t, gid_t, kauth_cred_t, struct lwp *);
-int tmpfs_chsize(struct vnode *, u_quad_t, kauth_cred_t, struct lwp *);
-int tmpfs_chtimes(struct vnode *, const struct timespec *,
- const struct timespec *, const struct timespec *, int, kauth_cred_t,
- struct lwp *);
-void tmpfs_update(struct vnode *, const struct timespec *,
- const struct timespec *, const struct timespec *, int);
-int tmpfs_truncate(struct vnode *, off_t);
+int tmpfs_alloc_node(tmpfs_mount_t *, enum vtype, uid_t, gid_t,
+ mode_t, tmpfs_node_t *, char *, dev_t, tmpfs_node_t **);
+void tmpfs_free_node(tmpfs_mount_t *, tmpfs_node_t *);
+
+int tmpfs_alloc_file(vnode_t *, vnode_t **, struct vattr *,
+ struct componentname *, char *);
+
+int tmpfs_alloc_vp(struct mount *, tmpfs_node_t *, vnode_t **);
+void tmpfs_free_vp(vnode_t *);
+
+int tmpfs_alloc_dirent(tmpfs_mount_t *, tmpfs_node_t *,
+ const char *, uint16_t, tmpfs_dirent_t **);
+void tmpfs_free_dirent(tmpfs_mount_t *, tmpfs_dirent_t *, bool);
+void tmpfs_dir_attach(vnode_t *, tmpfs_dirent_t *);
+void tmpfs_dir_detach(vnode_t *, tmpfs_dirent_t *);
+
+tmpfs_dirent_t *tmpfs_dir_lookup(tmpfs_node_t *, struct componentname *);
+int tmpfs_dir_getdotdent(tmpfs_node_t *, struct uio *);
+int tmpfs_dir_getdotdotdent(tmpfs_node_t *, struct uio *);
+tmpfs_dirent_t *tmpfs_dir_lookupbycookie(tmpfs_node_t *, off_t);
+int tmpfs_dir_getdents(tmpfs_node_t *, struct uio *, off_t *);
+
+int tmpfs_reg_resize(vnode_t *, off_t);
+int tmpfs_truncate(vnode_t *, off_t);
+
+int tmpfs_chflags(vnode_t *, int, kauth_cred_t, lwp_t *);
+int tmpfs_chmod(vnode_t *, mode_t, kauth_cred_t, lwp_t *);
+int tmpfs_chown(vnode_t *, uid_t, gid_t, kauth_cred_t, lwp_t *);
+int tmpfs_chsize(vnode_t *, u_quad_t, kauth_cred_t, lwp_t *);
+int tmpfs_chtimes(vnode_t *, const struct timespec *,
+ const struct timespec *, const struct timespec *, int,
+ kauth_cred_t, lwp_t *);
+void tmpfs_update(vnode_t *, const struct timespec *,
+ const struct timespec *, const struct timespec *, int);
/*
* Prototypes for tmpfs_mem.c.
*/
-void tmpfs_mntmem_init(struct tmpfs_mount *, uint64_t);
-void tmpfs_mntmem_destroy(struct tmpfs_mount *);
+void tmpfs_mntmem_init(tmpfs_mount_t *, uint64_t);
+void tmpfs_mntmem_destroy(tmpfs_mount_t *);
size_t tmpfs_mem_info(bool);
-uint64_t tmpfs_bytes_max(struct tmpfs_mount *);
-size_t tmpfs_pages_avail(struct tmpfs_mount *);
-bool tmpfs_mem_incr(struct tmpfs_mount *, size_t);
-void tmpfs_mem_decr(struct tmpfs_mount *, size_t);
+uint64_t tmpfs_bytes_max(tmpfs_mount_t *);
+size_t tmpfs_pages_avail(tmpfs_mount_t *);
+bool tmpfs_mem_incr(tmpfs_mount_t *, size_t);
+void tmpfs_mem_decr(tmpfs_mount_t *, size_t);
-struct tmpfs_dirent *tmpfs_dirent_get(struct tmpfs_mount *);
-void tmpfs_dirent_put(struct tmpfs_mount *, struct tmpfs_dirent *);
+tmpfs_dirent_t *tmpfs_dirent_get(tmpfs_mount_t *);
+void tmpfs_dirent_put(tmpfs_mount_t *, tmpfs_dirent_t *);
-struct tmpfs_node *tmpfs_node_get(struct tmpfs_mount *);
-void tmpfs_node_put(struct tmpfs_mount *, struct tmpfs_node *);
+tmpfs_node_t * tmpfs_node_get(tmpfs_mount_t *);
+void tmpfs_node_put(tmpfs_mount_t *, tmpfs_node_t *);
-char * tmpfs_strname_alloc(struct tmpfs_mount *, size_t);
-void tmpfs_strname_free(struct tmpfs_mount *, char *, size_t);
+char * tmpfs_strname_alloc(tmpfs_mount_t *, size_t);
+void tmpfs_strname_free(tmpfs_mount_t *, char *, size_t);
bool tmpfs_strname_neqlen(struct componentname *, struct componentname *);
/*
@@ -298,7 +305,7 @@
*/
#define TMPFS_VALIDATE_DIR(node) \
KASSERT((node)->tn_type == VDIR); \
- KASSERT((node)->tn_size % sizeof(struct tmpfs_dirent) == 0); \
+ KASSERT((node)->tn_size % sizeof(tmpfs_dirent_t) == 0); \
KASSERT((node)->tn_spec.tn_dir.tn_readdir_lastp == NULL || \
tmpfs_dircookie((node)->tn_spec.tn_dir.tn_readdir_lastp) == \
(node)->tn_spec.tn_dir.tn_readdir_lastn);
@@ -336,7 +343,7 @@
#endif /* defined(_KERNEL) */
static __inline tmpfs_node_t *
-VP_TO_TMPFS_NODE(struct vnode *vp)
+VP_TO_TMPFS_NODE(vnode_t *vp)
{
tmpfs_node_t *node = vp->v_data;
#ifdef KASSERT
@@ -345,4 +352,4 @@
return node;
}
-#endif /* _FS_TMPFS_TMPFS_H_ */
+#endif /* _FS_TMPFS_H_ */
diff -r 4f233cae6c63 -r 8b98fe167eeb usr.bin/fstat/tmpfs.c
--- a/usr.bin/fstat/tmpfs.c Sat May 28 23:24:58 2011 +0000
+++ b/usr.bin/fstat/tmpfs.c Sun May 29 01:00:50 2011 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: tmpfs.c,v 1.8 2009/04/12 06:36:12 lukem Exp $ */
+/* $NetBSD: tmpfs.c,v 1.9 2011/05/29 01:00:50 rmind Exp $ */
/*-
* Copyright (c) 2006 The NetBSD Foundation, Inc.
@@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
-__RCSID("$NetBSD: tmpfs.c,v 1.8 2009/04/12 06:36:12 lukem Exp $");
+__RCSID("$NetBSD: tmpfs.c,v 1.9 2011/05/29 01:00:50 rmind Exp $");
#include <sys/types.h>
#include <sys/param.h>
@@ -37,7 +37,9 @@
#include <sys/vnode.h>
#include <sys/mount.h>
+#define _KMEMUSER
#include <fs/tmpfs/tmpfs.h>
+#undef _KMEMUSER
#include <err.h>
#include <kvm.h>
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