Implement linux_truncate64() syscall.

Tested by:	Aline de Freitas <aline@riseup.net>
Approved by:	kib (mentor)

3 files changed, 18 insertions, 2 deletions

diff --git a/sys/amd64/linux32/linux32_dummy.c b/sys/amd64/linux32/linux32_dummy.c
index 52eeca0..c5e07b7 100644
--- a/sys/amd64/linux32/linux32_dummy.c
+++ b/sys/amd64/linux32/linux32_dummy.c
@@ -57,7 +57,6 @@ DUMMY(rt_sigqueueinfo);
 DUMMY(capget);
 DUMMY(capset);
 DUMMY(sendfile);
-DUMMY(truncate64);
 DUMMY(setfsuid);
 DUMMY(setfsgid);
 DUMMY(pivot_root);
diff --git a/sys/compat/linux/linux_file.c b/sys/compat/linux/linux_file.c
index 49e9cd2..9f19e5a 100644
--- a/sys/compat/linux/linux_file.c
+++ b/sys/compat/linux/linux_file.c
@@ -886,6 +886,7 @@ linux_readlinkat(struct thread *td, struct linux_readlinkat_args *args)
 	LFREEPATH(name);
 	return (error);
 }
+
 int
 linux_truncate(struct thread *td, struct linux_truncate_args *args)
 {
@@ -905,6 +906,23 @@ linux_truncate(struct thread *td, struct linux_truncate_args *args)
 }
 
 int
+linux_truncate64(struct thread *td, struct linux_truncate64_args *args)
+{
+	char *path;
+	int error;
+
+	LCONVPATHEXIST(td, args->path, &path);
+
+#ifdef DEBUG
+	if (ldebug(truncate64))
+		printf(ARGS(truncate64, "%s, %jd"), path, args->length);
+#endif
+
+	error = kern_truncate(td, path, UIO_SYSSPACE, args->length);
+	LFREEPATH(path);
+	return (error);
+}
+int
 linux_ftruncate(struct thread *td, struct linux_ftruncate_args *args)
 {
 	struct ftruncate_args /* {
diff --git a/sys/i386/linux/linux_dummy.c b/sys/i386/linux/linux_dummy.c
index b4fd553..99a9d3d 100644
--- a/sys/i386/linux/linux_dummy.c
+++ b/sys/i386/linux/linux_dummy.c
@@ -60,7 +60,6 @@ DUMMY(rt_sigqueueinfo);
 DUMMY(capget);
 DUMMY(capset);
 DUMMY(sendfile);		/* different semantics */
-DUMMY(truncate64);
 DUMMY(setfsuid);
 DUMMY(setfsgid);
 DUMMY(pivot_root);