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-rw-r--r--include/linux/fs.h1
-rw-r--r--include/linux/mm_types.h2
2 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h
index f4fc60727b8d..6bf7ab7c1573 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -870,6 +870,7 @@ static inline struct file *get_file(struct file *f)
atomic_long_inc(&f->f_count);
return f;
}
+#define get_file_rcu(x) atomic_long_inc_not_zero(&(x)->f_count)
#define fput_atomic(x) atomic_long_add_unless(&(x)->f_count, -1, 1)
#define file_count(x) atomic_long_read(&(x)->f_count)
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index 590630eb59ba..8d37e26a1007 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -429,7 +429,7 @@ struct mm_struct {
#endif
/* store ref to file /proc/<pid>/exe symlink points to */
- struct file *exe_file;
+ struct file __rcu *exe_file;
#ifdef CONFIG_MMU_NOTIFIER
struct mmu_notifier_mm *mmu_notifier_mm;
#endif