diff options
Diffstat (limited to 'samples/rust/rust_debugfs_scoped.rs')
| -rw-r--r-- | samples/rust/rust_debugfs_scoped.rs | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/samples/rust/rust_debugfs_scoped.rs b/samples/rust/rust_debugfs_scoped.rs index 406e6588b17a..702a6546d3fb 100644 --- a/samples/rust/rust_debugfs_scoped.rs +++ b/samples/rust/rust_debugfs_scoped.rs @@ -8,6 +8,7 @@ use kernel::debugfs::{Dir, Scope}; use kernel::prelude::*; +use kernel::sizes::*; use kernel::sync::atomic::Atomic; use kernel::sync::Mutex; use kernel::{c_str, new_mutex, str::CString}; @@ -66,18 +67,22 @@ fn create_file_write( GFP_KERNEL, )?; } + let blob = KBox::pin_init(new_mutex!([0x42; SZ_4K]), GFP_KERNEL)?; let scope = KBox::pin_init( - mod_data - .device_dir - .scope(DeviceData { name, nums }, &file_name, |dev_data, dir| { + mod_data.device_dir.scope( + DeviceData { name, nums, blob }, + &file_name, + |dev_data, dir| { for (idx, val) in dev_data.nums.iter().enumerate() { let Ok(name) = CString::try_from_fmt(fmt!("{idx}")) else { return; }; dir.read_write_file(&name, val); } - }), + dir.read_write_binary_file(c_str!("blob"), &dev_data.blob); + }, + ), GFP_KERNEL, )?; (*mod_data.devices.lock()).push(scope, GFP_KERNEL)?; @@ -110,6 +115,7 @@ impl ModuleData { struct DeviceData { name: CString, nums: KVec<Atomic<usize>>, + blob: Pin<KBox<Mutex<[u8; SZ_4K]>>>, } fn init_control(base_dir: &Dir, dyn_dirs: Dir) -> impl PinInit<Scope<ModuleData>> + '_ { |