72 lines
2.1 KiB
Diff
72 lines
2.1 KiB
Diff
From 3e14bbcd1979376b188bfabb816ff828608fb5d7 Mon Sep 17 00:00:00 2001
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From: Khem Raj <raj.khem@gmail.com>
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Date: Wed, 12 Sep 2018 18:02:11 -0700
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Subject: [PATCH] wireup linux/name_to_handle_at and name_to_handle_at syscalls
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---
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include/fcntl.h | 7 +++++++
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src/linux/name_to_handle_at.c | 10 ++++++++++
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src/linux/open_by_handle_at.c | 8 ++++++++
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3 files changed, 25 insertions(+)
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create mode 100644 src/linux/name_to_handle_at.c
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create mode 100644 src/linux/open_by_handle_at.c
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diff --git a/include/fcntl.h b/include/fcntl.h
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index 6d8edcd1..99b21759 100644
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--- a/include/fcntl.h
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+++ b/include/fcntl.h
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@@ -155,6 +155,11 @@ int lockf(int, int, off_t);
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#define F_OWNER_PID 1
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#define F_OWNER_PGRP 2
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#define F_OWNER_GID 2
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+struct file_handle {
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+ unsigned handle_bytes;
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+ int handle_type;
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+ unsigned char f_handle[];
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+};
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struct f_owner_ex {
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int type;
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pid_t pid;
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@@ -170,6 +175,8 @@ struct f_owner_ex {
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#define SPLICE_F_GIFT 8
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int fallocate(int, int, off_t, off_t);
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#define fallocate64 fallocate
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+int name_to_handle_at(int, const char *, struct file_handle *, int *, int);
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+int open_by_handle_at(int, struct file_handle *, int);
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ssize_t readahead(int, off_t, size_t);
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int sync_file_range(int, off_t, off_t, unsigned);
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ssize_t vmsplice(int, const struct iovec *, size_t, unsigned);
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diff --git a/src/linux/name_to_handle_at.c b/src/linux/name_to_handle_at.c
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new file mode 100644
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index 00000000..cd4075bd
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--- /dev/null
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+++ b/src/linux/name_to_handle_at.c
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@@ -0,0 +1,10 @@
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+#define _GNU_SOURCE
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+#include <fcntl.h>
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+#include "syscall.h"
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+
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+int name_to_handle_at(int dirfd, const char *pathname,
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+ struct file_handle *handle, int *mount_id, int flags)
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+{
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+ return syscall(SYS_name_to_handle_at, dirfd,
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+ pathname, handle, mount_id, flags);
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+}
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diff --git a/src/linux/open_by_handle_at.c b/src/linux/open_by_handle_at.c
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new file mode 100644
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index 00000000..1c9b6a2b
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--- /dev/null
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+++ b/src/linux/open_by_handle_at.c
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@@ -0,0 +1,8 @@
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+#define _GNU_SOURCE
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+#include <fcntl.h>
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+#include "syscall.h"
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+
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+int open_by_handle_at(int mount_fd, struct file_handle *handle, int flags)
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+{
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+ return syscall(SYS_open_by_handle_at, mount_fd, handle, flags);
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+}
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--
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2.19.0
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