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Date: Wed, 12 Sep 2018 18:02:11 -0700
From: Khem Raj <raj.khem@...il.com>
To: musl@...ts.openwall.com
Cc: Khem Raj <raj.khem@...il.com>
Subject: [PATCH] wireup linux/name_to_handle_at and name_to_handle_at syscalls
Signed-off-by: Khem Raj <raj.khem@...il.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
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