fs_is_visible only needs namespace_sem held shared (44bb4385) · Commits · e / devices / android_kernel_fairphone_FP3

fs/namespace.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -2869,7 +2869,7 @@ bool fs_fully_visible(struct file_system_type *type)
		if (unlikely(!ns))
		return false;

		namespace_lock();
		down_read(&namespace_sem);
		list_for_each_entry(mnt, &ns->list, mnt_list) {
		struct mount *child;
		if (mnt->mnt.mnt_sb->s_type != type)
		@@ -2890,7 +2890,7 @@ bool fs_fully_visible(struct file_system_type *type)
		next: ;
		}
		found:
		namespace_unlock();
		up_read(&namespace_sem);
		return visible;
		}