mirror of https://github.com/schoebel/mars
152 lines
4.3 KiB
Diff
152 lines
4.3 KiB
Diff
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From 3637964c6d935c3810c9532d2e5d2075b8294bd0 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/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 cdc8dc4..fabac70 100644
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--- a/fs/aio.c
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+++ b/fs/aio.c
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@@ -1324,6 +1324,7 @@ 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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@@ -1342,6 +1343,7 @@ 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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static void aio_advance_iovec(struct kiocb *iocb, ssize_t ret)
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{
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@@ -1730,6 +1732,7 @@ long do_io_submit(aio_context_t ctx_id, long nr,
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put_ioctx(ctx);
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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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@@ -1827,6 +1830,7 @@ 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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@@ -1859,3 +1863,4 @@ SYSCALL_DEFINE5(io_getevents, aio_context_t, ctx_id,
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asmlinkage_protect(5, ret, ctx_id, min_nr, nr, events, timeout);
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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 4fc034f..ae38d80 100644
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--- a/fs/namei.c
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+++ b/fs/namei.c
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@@ -3517,12 +3517,17 @@ EXPORT_SYMBOL(vfs_create);
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EXPORT_SYMBOL(vfs_follow_link);
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EXPORT_SYMBOL(vfs_link);
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EXPORT_SYMBOL(vfs_mkdir);
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+EXPORT_SYMBOL(sys_mkdir);
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EXPORT_SYMBOL(vfs_mknod);
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EXPORT_SYMBOL(generic_permission);
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EXPORT_SYMBOL(vfs_readlink);
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EXPORT_SYMBOL(vfs_rename);
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+EXPORT_SYMBOL(sys_rename);
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EXPORT_SYMBOL(vfs_rmdir);
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+EXPORT_SYMBOL(sys_rmdir);
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EXPORT_SYMBOL(vfs_symlink);
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+EXPORT_SYMBOL(sys_symlink);
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EXPORT_SYMBOL(vfs_unlink);
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+EXPORT_SYMBOL(sys_unlink);
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EXPORT_SYMBOL(dentry_unhash);
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EXPORT_SYMBOL(generic_readlink);
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diff --git a/fs/open.c b/fs/open.c
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index 703b051..0a3b2e4 100644
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--- a/fs/open.c
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+++ b/fs/open.c
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@@ -499,6 +499,7 @@ 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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@@ -591,6 +592,7 @@ out_release:
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out:
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return error;
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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 ba653f3..f021ea4 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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@@ -170,6 +171,7 @@ long do_utimes(int dfd, const char __user *filename, struct timespec *times,
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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/linux/major.h b/include/linux/major.h
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index 6a8ca98..faf6692 100644
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--- a/include/linux/major.h
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+++ b/include/linux/major.h
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@@ -146,6 +146,7 @@
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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 2891a90..a2455df 100644
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--- a/mm/page_alloc.c
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+++ b/mm/page_alloc.c
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@@ -192,6 +192,7 @@ 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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static unsigned long __meminitdata nr_kernel_pages;
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static unsigned long __meminitdata nr_all_pages;
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@@ -5052,6 +5053,7 @@ 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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* The inactive anon list should be small enough that the VM never has to
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--
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2.9.2
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