musl: Wire-up name_to_handle_at and name_to_handle_at syscalls

(From OE-Core rev: c70bb5a24e8923a34adb9c7b8298ae12702e3f27)

(From OE-Core rev: a74faf487545df16c7395ee6f6a302f989c1341b)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

2 files changed, 77 insertions, 0 deletions

diff --git a/meta/recipes-core/musl/musl/0001-wireup-linux-name_to_handle_at-and-name_to_handle_at.patch b/meta/recipes-core/musl/musl/0001-wireup-linux-name_to_handle_at-and-name_to_handle_at.patch
new file mode 100644
index 0000000000..4738e1efd8
--- /dev/null
+++ b/meta/recipes-core/musl/musl/0001-wireup-linux-name_to_handle_at-and-name_to_handle_at.patch
@@ -0,0 +1,76 @@
+From ef3ef607693a9513d5ab94a1de67dd2f1f97d8ad Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Wed, 12 Sep 2018 16:08:40 -0700
+Subject: [PATCH] wireup linux/name_to_handle_at and name_to_handle_at syscalls
+
+Upstream-Status: Submitted [https://www.openwall.com/lists/musl/2018/09/13/4]
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+ include/fcntl.h               |  7 +++++++
+ src/linux/name_to_handle_at.c | 11 +++++++++++
+ src/linux/open_by_handle_at.c | 10 ++++++++++
+ 3 files changed, 28 insertions(+)
+ create mode 100644 src/linux/name_to_handle_at.c
+ create mode 100644 src/linux/open_by_handle_at.c
+
+diff --git a/include/fcntl.h b/include/fcntl.h
+index 6d8edcd1..5c3defcb 100644
+--- a/include/fcntl.h
++++ b/include/fcntl.h
+@@ -155,6 +155,11 @@ int lockf(int, int, off_t);
+ #define F_OWNER_PID 1
+ #define F_OWNER_PGRP 2
+ #define F_OWNER_GID 2
++struct file_handle {
++       unsigned int handle_bytes;
++       int handle_type;
++       unsigned char f_handle[];
++};
+ struct f_owner_ex {
+        int type;
+        pid_t pid;
+@@ -170,6 +175,8 @@ struct f_owner_ex {
+ #define SPLICE_F_GIFT 8
+ int fallocate(int, int, off_t, off_t);
+ #define fallocate64 fallocate
++int name_to_handle_at(int, const char *, struct file_handle *, int *, int);
++int open_by_handle_at(int, struct file_handle *, int);
+ ssize_t readahead(int, off_t, size_t);
+ int sync_file_range(int, off_t, off_t, unsigned);
+ ssize_t vmsplice(int, const struct iovec *, size_t, unsigned);
+diff --git a/src/linux/name_to_handle_at.c b/src/linux/name_to_handle_at.c
+new file mode 100644
+index 00000000..bb6f8007
+--- /dev/null
++++ b/src/linux/name_to_handle_at.c
+@@ -0,0 +1,11 @@
++#define _GNU_SOURCE
++#include <fcntl.h>
++#include "syscall.h"
++
++int name_to_handle_at(int dirfd, const char *pathname,
++                       struct file_handle *handle,
++                       int *mount_id, int flags)
++{
++       return syscall(SYS_name_to_handle_at, dirfd,
++               pathname, handle, mount_id, flags);
++}
+diff --git a/src/linux/open_by_handle_at.c b/src/linux/open_by_handle_at.c
+new file mode 100644
+index 00000000..9bc93f14
+--- /dev/null
++++ b/src/linux/open_by_handle_at.c
+@@ -0,0 +1,10 @@
++#define _GNU_SOURCE
++#include <fcntl.h>
++#include "syscall.h"
++
++int open_by_handle_at(int mount_fd, struct file_handle *handle,
++                             int flags)
++{
++       return syscall(SYS_open_by_handle_at, mount_fd,
++               handle, flags);
++}
+-- 
+2.19.0
+
diff --git a/meta/recipes-core/musl/musl_git.bb b/meta/recipes-core/musl/musl_git.bb
index de1cfd0058..f6edf7de61 100644
--- a/meta/recipes-core/musl/musl_git.bb
+++ b/meta/recipes-core/musl/musl_git.bb
@@ -11,6 +11,7 @@ PV = "1.1.20+git${SRCPV}"
 
 SRC_URI = "git://git.musl-libc.org/musl \
            file://0001-Make-dynamic-linker-a-relative-symlink-to-libc.patch \
+           file://0001-wireup-linux-name_to_handle_at-and-name_to_handle_at.patch \
           "
 
 S = "${WORKDIR}/git"