Module Name: src
Committed By: mrg
Date: Sat Aug 11 03:41:06 UTC 2018
Modified Files:
src/sys/compat/netbsd32: netbsd32.h netbsd32_fs.c
Log Message:
support nullfs in netbsd32.
To generate a diff of this commit:
cvs rdiff -u -r1.118 -r1.119 src/sys/compat/netbsd32/netbsd32.h
cvs rdiff -u -r1.80 -r1.81 src/sys/compat/netbsd32/netbsd32_fs.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/compat/netbsd32/netbsd32.h
diff -u src/sys/compat/netbsd32/netbsd32.h:1.118 src/sys/compat/netbsd32/netbsd32.h:1.119
--- src/sys/compat/netbsd32/netbsd32.h:1.118 Thu May 10 02:36:07 2018
+++ src/sys/compat/netbsd32/netbsd32.h Sat Aug 11 03:41:06 2018
@@ -1,4 +1,4 @@
-/* $NetBSD: netbsd32.h,v 1.118 2018/05/10 02:36:07 christos Exp $ */
+/* $NetBSD: netbsd32.h,v 1.119 2018/08/11 03:41:06 mrg Exp $ */
/*
* Copyright (c) 1998, 2001, 2008, 2015 Matthew R. Green
@@ -965,7 +965,7 @@ struct netbsd32_tmpfs_args {
/* from <fs/cd9660/cd9660_mount.h> */
struct netbsd32_iso_args {
netbsd32_charp fspec;
- struct export_args30 _pad1;
+ struct netbsd32_export_args30 _pad1;
int flags;
};
@@ -1021,8 +1021,6 @@ struct netbsd32_mountd_exports_list {
netbsd32_export_argsp mel_exports;
};
-/* no struct export_args30 yet */
-
/* from <nfs/nfsmount,h> */
struct netbsd32_nfs_args {
int32_t version; /* args structure version number */
@@ -1060,6 +1058,17 @@ struct netbsd32_msdosfs_args {
int gmtoff; /* v3: offset from UTC in seconds */
};
+/* from <miscfs/genfs/layer.h> */
+struct netbsd32_layer_args {
+ netbsd32_charp target; /* Target of loopback */
+ struct netbsd32_export_args30 _pad1; /* compat with old userland tools */
+};
+
+/* from <miscfs/nullfs/null.h> */
+struct netbsd32_null_args {
+ struct netbsd32_layer_args la; /* generic layerfs args */
+};
+
struct netbsd32_posix_spawn_file_actions_entry {
enum { FAE32_OPEN, FAE32_DUP2, FAE32_CLOSE } fae_action;
Index: src/sys/compat/netbsd32/netbsd32_fs.c
diff -u src/sys/compat/netbsd32/netbsd32_fs.c:1.80 src/sys/compat/netbsd32/netbsd32_fs.c:1.81
--- src/sys/compat/netbsd32/netbsd32_fs.c:1.80 Thu Jun 1 02:45:08 2017
+++ src/sys/compat/netbsd32/netbsd32_fs.c Sat Aug 11 03:41:06 2018
@@ -1,4 +1,4 @@
-/* $NetBSD: netbsd32_fs.c,v 1.80 2017/06/01 02:45:08 chs Exp $ */
+/* $NetBSD: netbsd32_fs.c,v 1.81 2018/08/11 03:41:06 mrg Exp $ */
/*
* Copyright (c) 1998, 2001 Matthew R. Green
@@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: netbsd32_fs.c,v 1.80 2017/06/01 02:45:08 chs Exp $");
+__KERNEL_RCSID(0, "$NetBSD: netbsd32_fs.c,v 1.81 2018/08/11 03:41:06 mrg Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -54,6 +54,7 @@ __KERNEL_RCSID(0, "$NetBSD: netbsd32_fs.
#include <fs/msdosfs/bpb.h>
#include <fs/msdosfs/msdosfsmount.h>
#include <ufs/ufs/ufsmount.h>
+#include <miscfs/nullfs/null.h>
#define NFS_ARGS_ONLY
#include <nfs/nfsmount.h>
@@ -799,6 +800,7 @@ netbsd32___mount50(struct lwp *l, const
struct netbsd32_nfs_args nfs_args;
struct netbsd32_msdosfs_args msdosfs_args;
struct netbsd32_tmpfs_args tmpfs_args;
+ struct netbsd32_null_args null_args;
} fs_args32;
union {
struct ufs_args ufs_args;
@@ -807,6 +809,7 @@ netbsd32___mount50(struct lwp *l, const
struct nfs_args nfs_args;
struct msdosfs_args msdosfs_args;
struct tmpfs_args tmpfs_args;
+ struct null_args null_args;
} fs_args;
const char *type = SCARG_P32(uap, type);
const char *path = SCARG_P32(uap, path);
@@ -953,6 +956,20 @@ netbsd32___mount50(struct lwp *l, const
data_seg = UIO_SYSSPACE;
data = &fs_args.nfs_args;
data_len = sizeof(fs_args.nfs_args);
+ } else if (strcmp(mtype, MOUNT_NULL) == 0) {
+ if (data_len > sizeof(fs_args32.null_args))
+ return EINVAL;
+ if ((flags & MNT_GETARGS) == 0) {
+ error = copyin(data, &fs_args32.null_args,
+ sizeof(fs_args32.null_args));
+ if (error)
+ return error;
+ fs_args.null_args.la.target =
+ NETBSD32PTR64(fs_args32.null_args.la.target);
+ }
+ data_seg = UIO_SYSSPACE;
+ data = &fs_args.null_args;
+ data_len = sizeof(fs_args.null_args);
} else {
data_seg = UIO_USERSPACE;
}
@@ -1032,6 +1049,13 @@ netbsd32___mount50(struct lwp *l, const
fs_args.nfs_args.hostname);
error = copyout(&fs_args32.nfs_args, data,
sizeof(fs_args32.nfs_args));
+ } else if (strcmp(mtype, MOUNT_NULL) == 0) {
+ if (data_len != sizeof(fs_args.null_args))
+ return EINVAL;
+ NETBSD32PTR32(fs_args32.null_args.la.target,
+ fs_args.null_args.la.target);
+ error = copyout(&fs_args32.null_args, data,
+ sizeof(fs_args32.null_args));
}
}
return error;
