diff options
Diffstat (limited to 'rust/kernel/fs/file.rs')
| -rw-r--r-- | rust/kernel/fs/file.rs | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/rust/kernel/fs/file.rs b/rust/kernel/fs/file.rs index 13a0e44cd1aa..72d84fb0e266 100644 --- a/rust/kernel/fs/file.rs +++ b/rust/kernel/fs/file.rs @@ -219,12 +219,13 @@ unsafe impl AlwaysRefCounted for File { /// must be on the same thread as this file. /// /// [`assume_no_fdget_pos`]: LocalFile::assume_no_fdget_pos +#[repr(transparent)] pub struct LocalFile { inner: Opaque<bindings::file>, } // SAFETY: The type invariants guarantee that `LocalFile` is always ref-counted. This implementation -// makes `ARef<File>` own a normal refcount. +// makes `ARef<LocalFile>` own a normal refcount. unsafe impl AlwaysRefCounted for LocalFile { #[inline] fn inc_ref(&self) { @@ -235,7 +236,8 @@ unsafe impl AlwaysRefCounted for LocalFile { #[inline] unsafe fn dec_ref(obj: ptr::NonNull<LocalFile>) { // SAFETY: To call this method, the caller passes us ownership of a normal refcount, so we - // may drop it. The cast is okay since `File` has the same representation as `struct file`. + // may drop it. The cast is okay since `LocalFile` has the same representation as + // `struct file`. unsafe { bindings::fput(obj.cast().as_ptr()) } } } @@ -273,7 +275,7 @@ impl LocalFile { #[inline] pub unsafe fn from_raw_file<'a>(ptr: *const bindings::file) -> &'a LocalFile { // SAFETY: The caller guarantees that the pointer is not dangling and stays valid for the - // duration of 'a. The cast is okay because `File` is `repr(transparent)`. + // duration of `'a`. The cast is okay because `LocalFile` is `repr(transparent)`. // // INVARIANT: The caller guarantees that there are no problematic `fdget_pos` calls. unsafe { &*ptr.cast() } @@ -347,7 +349,7 @@ impl File { #[inline] pub unsafe fn from_raw_file<'a>(ptr: *const bindings::file) -> &'a File { // SAFETY: The caller guarantees that the pointer is not dangling and stays valid for the - // duration of 'a. The cast is okay because `File` is `repr(transparent)`. + // duration of `'a`. The cast is okay because `File` is `repr(transparent)`. // // INVARIANT: The caller guarantees that there are no problematic `fdget_pos` calls. unsafe { &*ptr.cast() } |