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[v6,1/7] rust: time: Add PartialEq/Eq/PartialOrd/Ord trait to Ktime

Message ID 20241114070234.116329-2-fujita.tomonori@gmail.com (mailing list archive)
State Not Applicable
Headers show
Series rust: Add IO polling | expand

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netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 3 this patch: 3
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers warning 1 maintainers not CCed: boqun.feng@gmail.com
netdev/build_clang success Errors and warnings before: 3 this patch: 3
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netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
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netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 8 lines checked
netdev/build_clang_rust fail Link
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

FUJITA Tomonori Nov. 14, 2024, 7:02 a.m. UTC 
Add PartialEq/Eq/PartialOrd/Ord trait to Ktime so two Ktime instances
can be compared to determine whether a timeout is met or not.

Use the derive implements; we directly touch C's ktime_t rather than
using the C's accessors because it is more efficient and we already do
in the existing code (Ktime::sub).

Reviewed-by: Trevor Gross <tmgross@umich.edu>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@gmail.com>
---
 rust/kernel/time.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/rust/kernel/time.rs b/rust/kernel/time.rs
index e3bb5e89f88d..4a7c6037c256 100644
--- a/rust/kernel/time.rs
+++ b/rust/kernel/time.rs
@@ -27,7 +27,7 @@  pub fn msecs_to_jiffies(msecs: Msecs) -> Jiffies {
 
 /// A Rust wrapper around a `ktime_t`.
 #[repr(transparent)]
-#[derive(Copy, Clone)]
+#[derive(Copy, Clone, PartialEq, PartialOrd, Eq, Ord)]
 pub struct Ktime {
     inner: bindings::ktime_t,
 }