mars/pre-patches/3.2-pre-patch-for-mars.patch

commit ef30fa053dc9f9593b464271878e5e08ab897ef8
Author: Thomas Schoebel-Theuer <tst@1und1.de>
Date:   Mon Feb 13 08:55:36 2012 +0100

    pre-patch for mars
    
    mostly introduces missint EXPORT_SYMBOL()

diff --git a/block/Kconfig b/block/Kconfig
index e97934e..9e9201a 100644
--- a/block/Kconfig
+++ b/block/Kconfig
@@ -99,6 +99,8 @@ config BLK_DEV_THROTTLING
 
 	See Documentation/cgroups/blkio-controller.txt for more information.
 
+source block/mars/kernel/Kconfig
+
 endif # BLOCK
 
 config BLOCK_COMPAT
diff --git a/block/Makefile b/block/Makefile
index 514c6e4..97dbbd4 100644
--- a/block/Makefile
+++ b/block/Makefile
@@ -17,3 +17,5 @@ obj-$(CONFIG_IOSCHED_CFQ)	+= cfq-iosched.o
 
 obj-$(CONFIG_BLOCK_COMPAT)	+= compat_ioctl.o
 obj-$(CONFIG_BLK_DEV_INTEGRITY)	+= blk-integrity.o
+
+obj-$(CONFIG_MARS)		+= mars/kernel/
diff --git a/fs/aio.c b/fs/aio.c
index 3b65ee7..de4ff1f 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -1346,6 +1346,7 @@ SYSCALL_DEFINE2(io_setup, unsigned, nr_events, aio_context_t __user *, ctxp)
 out:
 	return ret;
 }
+EXPORT_SYMBOL(sys_io_setup);
 
 /* sys_io_destroy:
  *	Destroy the aio_context specified.  May cancel any outstanding 
@@ -1363,6 +1364,7 @@ SYSCALL_DEFINE1(io_destroy, aio_context_t, ctx)
 	pr_debug("EINVAL: io_destroy: invalid context id\n");
 	return -EINVAL;
 }
+EXPORT_SYMBOL(sys_io_destroy);
 
 static void aio_advance_iovec(struct kiocb *iocb, ssize_t ret)
 {
@@ -1751,6 +1753,7 @@ long do_io_submit(aio_context_t ctx_id, long nr,
 	put_ioctx(ctx);
 	return i ? i : ret;
 }
+EXPORT_SYMBOL(sys_io_submit);
 
 /* sys_io_submit:
  *	Queue the nr iocbs pointed to by iocbpp for processing.  Returns
@@ -1848,6 +1851,7 @@ SYSCALL_DEFINE3(io_cancel, aio_context_t, ctx_id, struct iocb __user *, iocb,
 
 	return ret;
 }
+EXPORT_SYMBOL(sys_io_cancel);
 
 /* io_getevents:
  *	Attempts to read at least min_nr events and up to nr events from
@@ -1880,3 +1884,4 @@ SYSCALL_DEFINE5(io_getevents, aio_context_t, ctx_id,
 	asmlinkage_protect(5, ret, ctx_id, min_nr, nr, events, timeout);
 	return ret;
 }
+EXPORT_SYMBOL(sys_io_getevents);
diff --git a/fs/namei.c b/fs/namei.c
index 9680cef..ff29db5 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -3399,12 +3399,16 @@ EXPORT_SYMBOL(vfs_create);
 EXPORT_SYMBOL(vfs_follow_link);
 EXPORT_SYMBOL(vfs_link);
 EXPORT_SYMBOL(vfs_mkdir);
+EXPORT_SYMBOL(sys_mkdir);
 EXPORT_SYMBOL(vfs_mknod);
 EXPORT_SYMBOL(generic_permission);
 EXPORT_SYMBOL(vfs_readlink);
 EXPORT_SYMBOL(vfs_rename);
+EXPORT_SYMBOL(sys_rename);
 EXPORT_SYMBOL(vfs_rmdir);
 EXPORT_SYMBOL(vfs_symlink);
+EXPORT_SYMBOL(sys_symlink);
 EXPORT_SYMBOL(vfs_unlink);
+EXPORT_SYMBOL(sys_unlink);
 EXPORT_SYMBOL(dentry_unhash);
 EXPORT_SYMBOL(generic_readlink);
diff --git a/fs/open.c b/fs/open.c
index e2b5d51..4e22bad 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -545,6 +545,7 @@ out_release:
 out:
 	return error;
 }
+EXPORT_SYMBOL(sys_chmod);
 
 SYSCALL_DEFINE5(fchownat, int, dfd, const char __user *, filename, uid_t, user,
 		gid_t, group, int, flag)
@@ -591,6 +592,7 @@ out_release:
 out:
 	return error;
 }
+EXPORT_SYMBOL(sys_lchown);
 
 SYSCALL_DEFINE3(fchown, unsigned int, fd, uid_t, user, gid_t, group)
 {
diff --git a/fs/utimes.c b/fs/utimes.c
index ba653f3..f021ea4 100644
--- a/fs/utimes.c
+++ b/fs/utimes.c
@@ -1,3 +1,4 @@
+#include <linux/module.h>
 #include <linux/compiler.h>
 #include <linux/file.h>
 #include <linux/fs.h>
@@ -170,6 +171,7 @@ long do_utimes(int dfd, const char __user *filename, struct timespec *times,
 out:
 	return error;
 }
+EXPORT_SYMBOL(do_utimes);
 
 SYSCALL_DEFINE4(utimensat, int, dfd, const char __user *, filename,
 		struct timespec __user *, utimes, int, flags)
diff --git a/include/linux/major.h b/include/linux/major.h
index 6a8ca98..faf6692 100644
--- a/include/linux/major.h
+++ b/include/linux/major.h
@@ -146,6 +146,7 @@
 #define UNIX98_PTY_SLAVE_MAJOR	(UNIX98_PTY_MASTER_MAJOR+UNIX98_PTY_MAJOR_COUNT)
 
 #define DRBD_MAJOR		147
+#define MARS_MAJOR		148
 #define RTF_MAJOR		150
 #define RAW_MAJOR		162
 
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 1e86bb4..4b6ab71 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1433,6 +1433,9 @@ struct task_struct {
 	/* mutex deadlock detection */
 	struct mutex_waiter *blocked_on;
 #endif
+#ifdef CONFIG_DEBUG_SPINLOCK
+	atomic_t lock_count;
+#endif
 #ifdef CONFIG_TRACE_IRQFLAGS
 	unsigned int irq_events;
 	unsigned long hardirq_enable_ip;
diff --git a/lib/debug_locks.c b/lib/debug_locks.c
index b1c1773..1d312c0 100644
--- a/lib/debug_locks.c
+++ b/lib/debug_locks.c
@@ -44,3 +44,4 @@ int debug_locks_off(void)
 	}
 	return 0;
 }
+EXPORT_SYMBOL(debug_locks_off);
diff --git a/mm/mmu_context.c b/mm/mmu_context.c
index cf332bc..19cd576 100644
--- a/mm/mmu_context.c
+++ b/mm/mmu_context.c
@@ -7,6 +7,7 @@
 #include <linux/mmu_context.h>
 #include <linux/export.h>
 #include <linux/sched.h>
+#include <linux/module.h>
 
 #include <asm/mmu_context.h>
 
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 6e51bf0..671c322 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -176,6 +176,7 @@ static char * const zone_names[MAX_NR_ZONES] = {
 };
 
 int min_free_kbytes = 1024;
+EXPORT_SYMBOL(min_free_kbytes);
 
 static unsigned long __meminitdata nr_kernel_pages;
 static unsigned long __meminitdata nr_all_pages;
@@ -5230,6 +5231,7 @@ void setup_per_zone_wmarks(void)
 	/* update totalreserve_pages */
 	calculate_totalreserve_pages();
 }
+EXPORT_SYMBOL(setup_per_zone_wmarks);
 
 /*
  * The inactive anon list should be small enough that the VM never has to
diff --git a/mm/swap_state.c b/mm/swap_state.c
index 7704d9c..16a989b 100644
--- a/mm/swap_state.c
+++ b/mm/swap_state.c
@@ -43,6 +43,7 @@ struct address_space swapper_space = {
 	.i_mmap_nonlinear = LIST_HEAD_INIT(swapper_space.i_mmap_nonlinear),
 	.backing_dev_info = &swap_backing_dev_info,
 };
+EXPORT_SYMBOL(swapper_space);
 
 #define INC_CACHE_INFO(x)	do { swap_cache_info.x++; } while (0)