diff --git a/drivers/android/binderfs.c b/drivers/android/binderfs.c index 3001d754ac36..ad1fa7abc323 100644 --- a/drivers/android/binderfs.c +++ b/drivers/android/binderfs.c @@ -58,6 +58,7 @@ enum binderfs_stats_mode { struct binder_features { bool oneway_spam_detection; bool extended_error; + bool freeze_notification; }; static const struct constant_table binderfs_param_stats[] = { @@ -74,6 +75,7 @@ static const struct fs_parameter_spec binderfs_fs_parameters[] = { static struct binder_features binder_features = { .oneway_spam_detection = true, .extended_error = true, + .freeze_notification = true, }; static inline struct binderfs_info *BINDERFS_SB(const struct super_block *sb) @@ -608,6 +610,12 @@ static int init_binder_features(struct super_block *sb) if (IS_ERR(dentry)) return PTR_ERR(dentry); + dentry = binderfs_create_file(dir, "freeze_notification", + &binder_features_fops, + &binder_features.freeze_notification); + if (IS_ERR(dentry)) + return PTR_ERR(dentry); + return 0; } diff --git a/tools/testing/selftests/filesystems/binderfs/binderfs_test.c b/tools/testing/selftests/filesystems/binderfs/binderfs_test.c index 5f362c0fd890..319567f0fae1 100644 --- a/tools/testing/selftests/filesystems/binderfs/binderfs_test.c +++ b/tools/testing/selftests/filesystems/binderfs/binderfs_test.c @@ -65,6 +65,7 @@ static int __do_binderfs_test(struct __test_metadata *_metadata) static const char * const binder_features[] = { "oneway_spam_detection", "extended_error", + "freeze_notification", }; change_mountns(_metadata);