On Fri, Apr 29, 2022 at 4:57 PM Carlos Llamas cmllamas@google.com wrote:
Add extended_error to the binderfs feature list, to help userspace determine whether the BINDER_GET_EXTENDED_ERROR ioctl is supported by the binder driver.
Signed-off-by: Carlos Llamas cmllamas@google.com
Acked-by: Todd Kjos tkjos@google.com
drivers/android/binderfs.c | 8 ++++++++ .../selftests/filesystems/binderfs/binderfs_test.c | 1 + 2 files changed, 9 insertions(+)
diff --git a/drivers/android/binderfs.c b/drivers/android/binderfs.c index e3605cdd4335..6c5e94f6cb3a 100644 --- a/drivers/android/binderfs.c +++ b/drivers/android/binderfs.c @@ -60,6 +60,7 @@ enum binderfs_stats_mode {
struct binder_features { bool oneway_spam_detection;
bool extended_error;};
static const struct constant_table binderfs_param_stats[] = { @@ -75,6 +76,7 @@ static const struct fs_parameter_spec binderfs_fs_parameters[] = {
static struct binder_features binder_features = { .oneway_spam_detection = true,
.extended_error = true,};
static inline struct binderfs_info *BINDERFS_SB(const struct super_block *sb) @@ -615,6 +617,12 @@ static int init_binder_features(struct super_block *sb) if (IS_ERR(dentry)) return PTR_ERR(dentry);
dentry = binderfs_create_file(dir, "extended_error",&binder_features_fops,&binder_features.extended_error);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 0315955ff0f4..9409bb136d95 100644 --- a/tools/testing/selftests/filesystems/binderfs/binderfs_test.c +++ b/tools/testing/selftests/filesystems/binderfs/binderfs_test.c @@ -64,6 +64,7 @@ static int __do_binderfs_test(struct __test_metadata *_metadata) device_path[sizeof(P_tmpdir "/binderfs_XXXXXX/") + BINDERFS_MAX_NAME]; static const char * const binder_features[] = { "oneway_spam_detection",
"extended_error", }; change_mountns(_metadata);-- 2.36.0.464.gb9c8b46e94-goog