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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2025-08-03 23:28:48 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2025-08-03 23:28:48 -0700
commita7bee4e7f78089c101be2ad51f4b5ec64782053e (patch)
tree01c730cd0a71026fb1e74d601e1cbb4d0143126a /rust/kernel/fs/file.rs
parent61c6fef7c4b06b4bdbf3142f4e5cace70597e0de (diff)
parent45ee66c37f9bd8cff7718c70d84e0291d385a093 (diff)
Merge tag 'ib-mfd-gpio-input-pwm-v6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd into next
Merge an immutable branch between MFD, GPIO, Input and PWM to resolve conflicts for the merge window pull request.
Diffstat (limited to 'rust/kernel/fs/file.rs')
-rw-r--r--rust/kernel/fs/file.rs10
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() }