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linux-7.2.3/rust/kernel/block.rs

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+// SPDX-License-Identifier: GPL-2.0
+
+//! 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;