Catch up to the not-so-recent statfs(2) changes.

3 files changed, 49 insertions, 18 deletions

diff --git a/sys/compat/freebsd32/freebsd32.h b/sys/compat/freebsd32/freebsd32.h
index 5975144..806b2ff 100644
--- a/sys/compat/freebsd32/freebsd32.h
+++ b/sys/compat/freebsd32/freebsd32.h
@@ -75,8 +75,9 @@ struct rusage32 {
 	int32_t	ru_nivcsw;
 };
 
-#define FREEBSD32_MNAMELEN        (88 - 2 * sizeof(int32_t)) /* size of on/from name bufs */
+#define FREEBSD4_MNAMELEN        (88 - 2 * sizeof(int32_t)) /* size of on/from name bufs */
 
+/* 4.x version */
 struct statfs32 {
 	int32_t	f_spare2;
 	int32_t	f_bsize;
@@ -93,11 +94,11 @@ struct statfs32 {
 	int32_t	f_syncwrites;
 	int32_t	f_asyncwrites;
 	char	f_fstypename[MFSNAMELEN];
-	char	f_mntonname[FREEBSD32_MNAMELEN];
+	char	f_mntonname[FREEBSD4_MNAMELEN];
 	int32_t	f_syncreads;
 	int32_t	f_asyncreads;
 	int16_t	f_spares1;
-	char	f_mntfromname[FREEBSD32_MNAMELEN];
+	char	f_mntfromname[FREEBSD4_MNAMELEN];
 	int16_t	f_spares2 __packed;
 	int32_t f_spare[2];
 };
diff --git a/sys/compat/freebsd32/freebsd32_misc.c b/sys/compat/freebsd32/freebsd32_misc.c
index deccaf8..a103204 100644
--- a/sys/compat/freebsd32/freebsd32_misc.c
+++ b/sys/compat/freebsd32/freebsd32_misc.c
@@ -140,15 +140,15 @@ copy_statfs(struct statfs *in, struct statfs32 *out)
 	bcopy(in->f_fstypename,
 	      out->f_fstypename, MFSNAMELEN);
 	bcopy(in->f_mntonname,
-	      out->f_mntonname, MNAMELEN);
+	      out->f_mntonname, min(MNAMELEN, FREEBSD4_MNAMELEN));
 	CP(*in, *out, f_syncreads);
 	CP(*in, *out, f_asyncreads);
 	bcopy(in->f_mntfromname,
-	      out->f_mntfromname, MNAMELEN);
+	      out->f_mntfromname, min(MNAMELEN, FREEBSD4_MNAMELEN));
 }
 
 int
-freebsd32_getfsstat(struct thread *td, struct freebsd32_getfsstat_args *uap)
+freebsd4_freebsd32_getfsstat(struct thread *td, struct freebsd4_freebsd32_getfsstat_args *uap)
 {
 	int error;
 	caddr_t sg;
@@ -870,7 +870,7 @@ freebsd32_adjtime(struct thread *td, struct freebsd32_adjtime_args *uap)
 }
 
 int
-freebsd32_statfs(struct thread *td, struct freebsd32_statfs_args *uap)
+freebsd4_freebsd32_statfs(struct thread *td, struct freebsd4_freebsd32_statfs_args *uap)
 {
 	int error;
 	caddr_t sg;
@@ -897,7 +897,7 @@ freebsd32_statfs(struct thread *td, struct freebsd32_statfs_args *uap)
 }
 
 int
-freebsd32_fstatfs(struct thread *td, struct freebsd32_fstatfs_args *uap)
+freebsd4_freebsd32_fstatfs(struct thread *td, struct freebsd4_freebsd32_fstatfs_args *uap)
 {
 	int error;
 	caddr_t sg;
@@ -924,6 +924,33 @@ freebsd32_fstatfs(struct thread *td, struct freebsd32_fstatfs_args *uap)
 }
 
 int
+freebsd4_freebsd32_fhstatfs(struct thread *td, struct freebsd4_freebsd32_fhstatfs_args *uap)
+{
+	int error;
+	caddr_t sg;
+	struct statfs32 *p32, s32;
+	struct statfs *p = NULL, s;
+
+	p32 = uap->buf;
+	if (p32) {
+		sg = stackgap_init();
+		p = stackgap_alloc(&sg, sizeof(struct statfs));
+		uap->buf = (struct statfs32 *)p;
+	}
+	error = fhstatfs(td, (struct fhstatfs_args *) uap);
+	if (error)
+		return (error);
+	if (p32) {
+		error = copyin(p, &s, sizeof(s));
+		if (error)
+			return (error);
+		copy_statfs(&s, &s32);
+		error = copyout(&s32, p32, sizeof(s32));
+	}
+	return (error);
+}
+
+int
 freebsd32_semsys(struct thread *td, struct freebsd32_semsys_args *uap)
 {
 	/*
diff --git a/sys/compat/freebsd32/syscalls.master b/sys/compat/freebsd32/syscalls.master
index c6e9550..6f0631f 100644
--- a/sys/compat/freebsd32/syscalls.master
+++ b/sys/compat/freebsd32/syscalls.master
@@ -64,8 +64,8 @@
 15	NOPROTO	{ int chmod(char *path, int mode); }
 16	NOPROTO	{ int chown(char *path, int uid, int gid); }
 17	MNOPROTO { int obreak(char *nsize); } break obreak_args int
-18	STD	{ int freebsd32_getfsstat(struct statfs32 *buf, long bufsize, \
-		    int flags); }
+18	COMPAT4	{ int freebsd32_getfsstat(struct statfs32 *buf, \
+		    long bufsize, int flags); }
 19	OBSOL	olseek
 20	MNOPROTO { pid_t getpid(void); }
 21	NOPROTO	{ int mount(char *type, char *path, int flags, \
@@ -232,8 +232,9 @@
 ; XXX this is a problem!!!
 155	UNIMPL	nfssvc
 156	OBSOL	ogetdirentries
-157	STD	{ int freebsd32_statfs(char *path, struct statfs32 *buf); }
-158	STD	{ int freebsd32_fstatfs(int fd, struct statfs32 *buf); }
+157	COMPAT4	{ int freebsd32_statfs(char *path, \
+		    struct statfs32 *buf); }
+158	COMPAT4	{ int freebsd32_fstatfs(int fd, struct statfs32 *buf);}
 159	UNIMPL	nosys
 160	UNIMPL	nosys
 161	NOPROTO	{ int getfh(char *fname, struct fhandle *fhp); }
@@ -414,8 +415,8 @@
 295	UNIMPL	nosys
 296	UNIMPL	nosys
 ; XXX 297 is 300 in NetBSD 
-297	NOPROTO	{ int fhstatfs(const struct fhandle *u_fhp, \
-		    struct statfs *buf); }
+297	COMPAT4	{ int freebsd32_fhstatfs(const struct fhandle *u_fhp, \
+		    struct statfs32 *buf); }
 298	NOPROTO	{ int fhopen(const struct fhandle *u_fhp, int flags); }
 299	NOPROTO	{ int fhstat(const struct fhandle *u_fhp, struct stat *sb); }
 ; syscall numbers for FreeBSD
@@ -550,10 +551,12 @@
 		    u_int32_t offsethi, size_t nbytes, struct sf_hdtr *hdtr, \
 		    off_t *sbytes, int flags); }
 394	UNIMPL	mac_syscall
-395	UNIMPL	nosys
-396	UNIMPL	nosys
-397	UNIMPL	nosys
-398	UNIMPL	nosys
+395	NOPROTO	{ int getfsstat(struct statfs *buf, long bufsize, \
+		    int flags); }
+396	NOPROTO	{ int statfs(char *path, struct statfs *buf); }
+397	NOPROTO	{ int fstatfs(int fd, struct statfs *buf); }
+398	NOPROTO	{ int fhstatfs(const struct fhandle *u_fhp, \
+		    struct statfs *buf); }
 399	UNIMPL	nosys
 ; XXX implement these?
 400	UNIMPL	ksem_close