mirror of https://github.com/schoebel/mars
174 lines
4.9 KiB
Diff
174 lines
4.9 KiB
Diff
From 169fad2681eaa91efbc1bcdcbda57096cb23b4ec 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 155f842..a0af087 100644
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--- a/fs/aio.c
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+++ b/fs/aio.c
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@@ -1342,6 +1342,7 @@ 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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@@ -1378,6 +1379,7 @@ SYSCALL_DEFINE1(io_destroy, aio_context_t, ctx)
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pr_debug("EINVAL: 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 (rw_iter_op)(struct kiocb *, struct iov_iter *);
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@@ -1621,6 +1623,7 @@ 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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@@ -1710,6 +1713,7 @@ 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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@@ -1739,3 +1743,4 @@ 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 aaa3b69..8966c71 100644
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--- a/fs/namei.c
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+++ b/fs/namei.c
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@@ -3697,6 +3697,7 @@ 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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int vfs_rmdir(struct inode *dir, struct dentry *dentry)
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{
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@@ -3800,6 +3801,7 @@ 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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@@ -3953,6 +3955,7 @@ 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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@@ -4010,6 +4013,7 @@ 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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@@ -4503,6 +4507,7 @@ 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 vfs_whiteout(struct inode *dir, struct dentry *dentry)
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{
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diff --git a/fs/open.c b/fs/open.c
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index 081d3d6..d8f99f5 100644
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--- a/fs/open.c
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+++ b/fs/open.c
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@@ -563,6 +563,7 @@ 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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@@ -648,6 +649,7 @@ 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 85c40f4..cb72b0d 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 ff50f59..79ebfee 100644
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--- a/mm/page_alloc.c
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+++ b/mm/page_alloc.c
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@@ -248,6 +248,7 @@ compound_page_dtor * const compound_page_dtors[] = {
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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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int watermark_scale_factor = 10;
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@@ -6381,6 +6382,7 @@ 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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