Commit 19c37c91 authored Sep 02, 2025 by Andreas Hindborg Committed by Jens Axboe Sep 02, 2025

rust: block: add block related constants



Add a few block subsystem constants to the rust `kernel::block` name space.
This makes it easier to access the constants from rust code.

Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Daniel Almeida <daniel.almeida@collabora.com>
Signed-off-by: Andreas Hindborg <a.hindborg@kernel.org>
Link: https://lore.kernel.org/r/20250902-rnull-up-v6-16-v7-11-b5212cc89b98@kernel.org


Signed-off-by: Jens Axboe <axboe@kernel.dk>

parent 8c32697c

rust/kernel/block.rs

+13 −0

Original line number	Diff line number	Diff line
		@@ -3,3 +3,16 @@
		//! Types for working with the block layer.

		pub mod mq;

		/// Bit mask for masking out [`SECTOR_SIZE`].
		pub const SECTOR_MASK: u32 = bindings::SECTOR_MASK;

		/// Sectors are size `1 << SECTOR_SHIFT`.
		pub const SECTOR_SHIFT: u32 = bindings::SECTOR_SHIFT;

		/// Size of a sector.
		pub const SECTOR_SIZE: u32 = bindings::SECTOR_SIZE;

		/// The difference between the size of a page and the size of a sector,
		/// expressed as a power of two.
		pub const PAGE_SECTORS_SHIFT: u32 = bindings::PAGE_SECTORS_SHIFT;