[PATCH v2 08/14] rust: block: add block related constants
From: Andreas Hindborg <a.hindborg@kernel.org>
Date: 2025-07-08 19:45:54
Also in:
lkml, rust-for-linux
Subsystem:
block layer device driver api [rust], rust, the rest · Maintainers:
Andreas Hindborg, Miguel Ojeda, Linus Torvalds
Add a few block subsystem constants to the rust `kernel::block` name space. This makes it easier to access the constants from rust code. Signed-off-by: Andreas Hindborg <a.hindborg@kernel.org> --- rust/kernel/block.rs | 12 ++++++++++++ 1 file changed, 12 insertions(+)
diff --git a/rust/kernel/block.rs b/rust/kernel/block.rs
index 150f710efe5b4..7461adf4d7e06 100644
--- a/rust/kernel/block.rs
+++ b/rust/kernel/block.rs@@ -3,3 +3,15 @@ //! 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; + +/// Power of two difference in size of a page and size of a sector. +pub const PAGE_SECTORS_SHIFT: u32 = bindings::PAGE_SECTORS_SHIFT;
--
2.47.2