mirror of https://github.com/schoebel/mars
174 lines
5.0 KiB
Diff
174 lines
5.0 KiB
Diff
From 8a8f487d740d008f61b820d1d2bb3fb4c5715062 Mon Sep 17 00:00:00 2001
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From: Thomas Schoebel-Theuer <tst@1und1.de>
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Date: Mon, 22 Aug 2016 12:54:44 +0200
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Subject: [PATCH] mars: minimum pre-patch for mars
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Mostly introduces some EXPORT_SYMBOL().
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Should have almost no impact onto the kernel.
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---
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fs/aio.c | 5 +++++
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fs/namei.c | 5 +++++
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fs/open.c | 2 ++
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fs/utimes.c | 2 ++
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include/uapi/linux/major.h | 1 +
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mm/page_alloc.c | 2 ++
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6 files changed, 17 insertions(+)
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diff --git a/fs/aio.c b/fs/aio.c
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index 7aaa416..bdd7a83 100644
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--- a/fs/aio.c
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+++ b/fs/aio.c
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@@ -1306,6 +1306,7 @@ SYSCALL_DEFINE2(io_setup, unsigned, nr_events, aio_context_t __user *, ctxp)
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out:
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return ret;
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}
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+EXPORT_SYMBOL(sys_io_setup);
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/* sys_io_destroy:
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* Destroy the aio_context specified. May cancel any outstanding
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@@ -1340,6 +1341,7 @@ SYSCALL_DEFINE1(io_destroy, aio_context_t, ctx)
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pr_debug("EINVAL: io_destroy: invalid context id\n");
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return -EINVAL;
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}
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+EXPORT_SYMBOL(sys_io_destroy);
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typedef ssize_t (aio_rw_op)(struct kiocb *, const struct iovec *,
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unsigned long, loff_t);
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@@ -1631,6 +1633,7 @@ long do_io_submit(aio_context_t ctx_id, long nr,
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percpu_ref_put(&ctx->users);
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return i ? i : ret;
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}
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+EXPORT_SYMBOL(sys_io_submit);
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/* sys_io_submit:
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* Queue the nr iocbs pointed to by iocbpp for processing. Returns
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@@ -1721,6 +1724,7 @@ SYSCALL_DEFINE3(io_cancel, aio_context_t, ctx_id, struct iocb __user *, iocb,
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return ret;
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}
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+EXPORT_SYMBOL(sys_io_cancel);
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/* io_getevents:
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* Attempts to read at least min_nr events and up to nr events from
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@@ -1750,3 +1754,4 @@ SYSCALL_DEFINE5(io_getevents, aio_context_t, ctx_id,
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}
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return ret;
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}
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+EXPORT_SYMBOL(sys_io_getevents);
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diff --git a/fs/namei.c b/fs/namei.c
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index 55c97a7..20b232a 100644
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--- a/fs/namei.c
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+++ b/fs/namei.c
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@@ -3543,6 +3543,7 @@ SYSCALL_DEFINE2(mkdir, const char __user *, pathname, umode_t, mode)
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{
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return sys_mkdirat(AT_FDCWD, pathname, mode);
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}
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+EXPORT_SYMBOL(sys_mkdir);
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/*
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* The dentry_unhash() helper will try to drop the dentry early: we
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@@ -3668,6 +3669,7 @@ SYSCALL_DEFINE1(rmdir, const char __user *, pathname)
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{
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return do_rmdir(AT_FDCWD, pathname);
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}
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+EXPORT_SYMBOL(sys_rmdir);
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/**
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* vfs_unlink - unlink a filesystem object
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@@ -3817,6 +3819,7 @@ SYSCALL_DEFINE1(unlink, const char __user *, pathname)
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{
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return do_unlinkat(AT_FDCWD, pathname);
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}
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+EXPORT_SYMBOL(sys_unlink);
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int vfs_symlink(struct inode *dir, struct dentry *dentry, const char *oldname)
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{
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@@ -3874,6 +3877,7 @@ SYSCALL_DEFINE2(symlink, const char __user *, oldname, const char __user *, newn
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{
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return sys_symlinkat(oldname, AT_FDCWD, newname);
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}
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+EXPORT_SYMBOL(sys_symlink);
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/**
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* vfs_link - create a new link
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@@ -4358,6 +4362,7 @@ SYSCALL_DEFINE2(rename, const char __user *, oldname, const char __user *, newna
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{
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return sys_renameat2(AT_FDCWD, oldname, AT_FDCWD, newname, 0);
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}
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+EXPORT_SYMBOL(sys_rename);
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int readlink_copy(char __user *buffer, int buflen, const char *link)
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{
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diff --git a/fs/open.c b/fs/open.c
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index 79a52f1..7709de8 100644
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--- a/fs/open.c
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+++ b/fs/open.c
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@@ -545,6 +545,7 @@ SYSCALL_DEFINE2(chmod, const char __user *, filename, umode_t, mode)
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{
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return sys_fchmodat(AT_FDCWD, filename, mode);
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}
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+EXPORT_SYMBOL(sys_chmod);
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static int chown_common(struct path *path, uid_t user, gid_t group)
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{
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@@ -630,6 +631,7 @@ SYSCALL_DEFINE3(lchown, const char __user *, filename, uid_t, user, gid_t, group
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return sys_fchownat(AT_FDCWD, filename, user, group,
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AT_SYMLINK_NOFOLLOW);
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}
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+EXPORT_SYMBOL(sys_lchown);
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SYSCALL_DEFINE3(fchown, unsigned int, fd, uid_t, user, gid_t, group)
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{
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diff --git a/fs/utimes.c b/fs/utimes.c
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index aa138d6..4a1f4a8 100644
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--- a/fs/utimes.c
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+++ b/fs/utimes.c
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@@ -1,3 +1,4 @@
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+#include <linux/module.h>
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#include <linux/compiler.h>
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#include <linux/file.h>
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#include <linux/fs.h>
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@@ -181,6 +182,7 @@ retry:
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out:
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return error;
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}
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+EXPORT_SYMBOL(do_utimes);
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SYSCALL_DEFINE4(utimensat, int, dfd, const char __user *, filename,
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struct timespec __user *, utimes, int, flags)
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diff --git a/include/uapi/linux/major.h b/include/uapi/linux/major.h
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index 620252e..61a665c 100644
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--- a/include/uapi/linux/major.h
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+++ b/include/uapi/linux/major.h
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@@ -148,6 +148,7 @@
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#define UNIX98_PTY_SLAVE_MAJOR (UNIX98_PTY_MASTER_MAJOR+UNIX98_PTY_MAJOR_COUNT)
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#define DRBD_MAJOR 147
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+#define MARS_MAJOR 148
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#define RTF_MAJOR 150
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#define RAW_MAJOR 162
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diff --git a/mm/page_alloc.c b/mm/page_alloc.c
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index 9ddea02..35f6582 100644
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--- a/mm/page_alloc.c
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+++ b/mm/page_alloc.c
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@@ -206,6 +206,7 @@ static char * const zone_names[MAX_NR_ZONES] = {
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};
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int min_free_kbytes = 1024;
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+EXPORT_SYMBOL(min_free_kbytes);
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int user_min_free_kbytes = -1;
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static unsigned long __meminitdata nr_kernel_pages;
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@@ -5710,6 +5711,7 @@ static void __setup_per_zone_wmarks(void)
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/* update totalreserve_pages */
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calculate_totalreserve_pages();
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}
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+EXPORT_SYMBOL(setup_per_zone_wmarks);
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/**
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* setup_per_zone_wmarks - called when min_free_kbytes changes
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--
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2.9.2
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