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-rw-r--r--arch/um/include/shared/os.h3
-rw-r--r--arch/um/kernel/ksyms.c3
-rw-r--r--arch/um/os-Linux/file.c15
-rw-r--r--arch/um/os-Linux/user_syms.c4
4 files changed, 25 insertions, 0 deletions
diff --git a/arch/um/include/shared/os.h b/arch/um/include/shared/os.h
index cd40fddcf99d..c4617baaa4f2 100644
--- a/arch/um/include/shared/os.h
+++ b/arch/um/include/shared/os.h
@@ -161,6 +161,9 @@ extern int os_stat_filesystem(char *path, long *bsize_out,
long *spare_out);
extern int os_change_dir(char *dir);
extern int os_fchange_dir(int fd);
+extern unsigned os_major(unsigned long long dev);
+extern unsigned os_minor(unsigned long long dev);
+extern unsigned long long os_makedev(unsigned major, unsigned minor);
/* start_up.c */
extern void os_early_checks(void);
diff --git a/arch/um/kernel/ksyms.c b/arch/um/kernel/ksyms.c
index 836fc9b94707..0ae0dfcfbffb 100644
--- a/arch/um/kernel/ksyms.c
+++ b/arch/um/kernel/ksyms.c
@@ -58,6 +58,9 @@ EXPORT_SYMBOL(os_accept_connection);
EXPORT_SYMBOL(os_rcv_fd);
EXPORT_SYMBOL(run_helper);
EXPORT_SYMBOL(start_thread);
+EXPORT_SYMBOL(os_major);
+EXPORT_SYMBOL(os_minor);
+EXPORT_SYMBOL(os_makedev);
EXPORT_SYMBOL(add_sigio_fd);
EXPORT_SYMBOL(ignore_sigio_fd);
diff --git a/arch/um/os-Linux/file.c b/arch/um/os-Linux/file.c
index b5afcfd0f861..140e587bc0ad 100644
--- a/arch/um/os-Linux/file.c
+++ b/arch/um/os-Linux/file.c
@@ -561,3 +561,18 @@ int os_lock_file(int fd, int excl)
out:
return err;
}
+
+unsigned os_major(unsigned long long dev)
+{
+ return major(dev);
+}
+
+unsigned os_minor(unsigned long long dev)
+{
+ return minor(dev);
+}
+
+unsigned long long os_makedev(unsigned major, unsigned minor)
+{
+ return makedev(major, minor);
+}
diff --git a/arch/um/os-Linux/user_syms.c b/arch/um/os-Linux/user_syms.c
index 89b48a116a89..05f5ea8e83d2 100644
--- a/arch/um/os-Linux/user_syms.c
+++ b/arch/um/os-Linux/user_syms.c
@@ -103,6 +103,10 @@ EXPORT_SYMBOL_PROTO(getuid);
EXPORT_SYMBOL_PROTO(fsync);
EXPORT_SYMBOL_PROTO(fdatasync);
+EXPORT_SYMBOL_PROTO(lstat64);
+EXPORT_SYMBOL_PROTO(fstat64);
+EXPORT_SYMBOL_PROTO(mknod);
+
/* Export symbols used by GCC for the stack protector. */
extern void __stack_smash_handler(void *) __attribute__((weak));
EXPORT_SYMBOL(__stack_smash_handler);