Implement fstatfs64 system call.

PR:		181012
Submitted by:	John Wehle
MFC after:	1 week

5 files changed, 23 insertions, 4 deletions

diff --git a/sys/amd64/linux32/linux32_dummy.c b/sys/amd64/linux32/linux32_dummy.c
index e4e9f50..1104651 100644
--- a/sys/amd64/linux32/linux32_dummy.c
+++ b/sys/amd64/linux32/linux32_dummy.c
@@ -69,7 +69,6 @@ DUMMY(mincore);
 DUMMY(ptrace);
 DUMMY(lookup_dcookie);
 DUMMY(remap_file_pages);
-DUMMY(fstatfs64);
 DUMMY(mbind);
 DUMMY(get_mempolicy);
 DUMMY(set_mempolicy);
diff --git a/sys/amd64/linux32/syscalls.master b/sys/amd64/linux32/syscalls.master
index 0396b30..e40247e 100644
--- a/sys/amd64/linux32/syscalls.master
+++ b/sys/amd64/linux32/syscalls.master
@@ -450,7 +450,7 @@
 267	AUE_NULL	STD	{ int linux_clock_nanosleep(clockid_t which, int flags, \
 					struct l_timespec *rqtp, struct l_timespec *rmtp); }
 268	AUE_STATFS	STD	{ int linux_statfs64(char *path, size_t bufsize, struct l_statfs64_buf *buf); }
-269	AUE_FSTATFS	STD	{ int linux_fstatfs64(void); }
+269	AUE_FSTATFS	STD	{ int linux_fstatfs64(l_uint fd, size_t bufsize, struct l_statfs64_buf *buf); }
 270	AUE_NULL	STD	{ int linux_tgkill(int tgid, int pid, int sig); }
 271	AUE_UTIMES	STD	{ int linux_utimes(char *fname, \
 					struct l_timeval *tptr); }
diff --git a/sys/compat/linux/linux_stats.c b/sys/compat/linux/linux_stats.c
index 84ade7b..6adaba9 100644
--- a/sys/compat/linux/linux_stats.c
+++ b/sys/compat/linux/linux_stats.c
@@ -460,6 +460,27 @@ linux_statfs64(struct thread *td, struct linux_statfs64_args *args)
 	bsd_to_linux_statfs64(&bsd_statfs, &linux_statfs);
 	return copyout(&linux_statfs, args->buf, sizeof(linux_statfs));
 }
+
+int
+linux_fstatfs64(struct thread *td, struct linux_fstatfs64_args *args)
+{
+	struct l_statfs64 linux_statfs;
+	struct statfs bsd_statfs;
+	int error;
+
+#ifdef DEBUG
+	if (ldebug(fstatfs64))
+		printf(ARGS(fstatfs64, "%d, *"), args->fd);
+#endif
+	if (args->bufsize != sizeof(struct l_statfs64))
+		return (EINVAL);
+
+	error = kern_fstatfs(td, args->fd, &bsd_statfs);
+	if (error)
+		return error;
+	bsd_to_linux_statfs64(&bsd_statfs, &linux_statfs);
+	return (copyout(&linux_statfs, args->buf, sizeof(linux_statfs)));
+}
 #endif /* __i386__ || (__amd64__ && COMPAT_LINUX32) */
 
 int
diff --git a/sys/i386/linux/linux_dummy.c b/sys/i386/linux/linux_dummy.c
index 4c0cad0..fd73c9d 100644
--- a/sys/i386/linux/linux_dummy.c
+++ b/sys/i386/linux/linux_dummy.c
@@ -71,7 +71,6 @@ DUMMY(pivot_root);
 DUMMY(mincore);
 DUMMY(lookup_dcookie);
 DUMMY(remap_file_pages);
-DUMMY(fstatfs64);
 DUMMY(mbind);
 DUMMY(get_mempolicy);
 DUMMY(set_mempolicy);
diff --git a/sys/i386/linux/syscalls.master b/sys/i386/linux/syscalls.master
index 248770c..1032ef0 100644
--- a/sys/i386/linux/syscalls.master
+++ b/sys/i386/linux/syscalls.master
@@ -452,7 +452,7 @@
 267	AUE_NULL	STD	{ int linux_clock_nanosleep(clockid_t which, int flags, \
 					struct l_timespec *rqtp, struct l_timespec *rmtp); }
 268	AUE_STATFS	STD	{ int linux_statfs64(char *path, size_t bufsize, struct l_statfs64_buf *buf); }
-269	AUE_FSTATFS	STD	{ int linux_fstatfs64(void); }
+269	AUE_FSTATFS	STD	{ int linux_fstatfs64(l_uint fd, size_t bufsize, struct l_statfs64_buf *buf); }
 270	AUE_NULL	STD	{ int linux_tgkill(int tgid, int pid, int sig); }
 271	AUE_UTIMES	STD	{ int linux_utimes(char *fname, \
 					struct l_timeval *tptr); }