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authorJani Nikula <jani.nikula@intel.com>2025-06-09 12:40:46 +0300
committerJani Nikula <jani.nikula@intel.com>2025-06-09 12:40:46 +0300
commit34c55367af96f62e89221444f04487440ebc6487 (patch)
treefdb36ba67d7dea09455b55037e26043b7e051ef9 /rust/kernel/fs/file.rs
parent7247efca0dcbc8ac6147db9200ed1549c0662465 (diff)
parent19272b37aa4f83ca52bdf9c16d5d81bdd1354494 (diff)
Merge drm/drm-next into drm-intel-next
Sync to v6.16-rc1, among other things to get the fixed size GENMASK_U*() and BIT_U*() macros. Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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() }