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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 <[email protected]> Reviewed-by: Daniel Almeida <[email protected]> Signed-off-by: Andreas Hindborg <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jens Axboe <[email protected]>
19 lines
537 B
Rust
19 lines
537 B
Rust
// SPDX-License-Identifier: GPL-2.0
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//! Types for working with the block layer.
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pub mod mq;
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/// Bit mask for masking out [`SECTOR_SIZE`].
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pub const SECTOR_MASK: u32 = bindings::SECTOR_MASK;
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/// Sectors are size `1 << SECTOR_SHIFT`.
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pub const SECTOR_SHIFT: u32 = bindings::SECTOR_SHIFT;
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/// Size of a sector.
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pub const SECTOR_SIZE: u32 = bindings::SECTOR_SIZE;
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/// The difference between the size of a page and the size of a sector,
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/// expressed as a power of two.
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pub const PAGE_SECTORS_SHIFT: u32 = bindings::PAGE_SECTORS_SHIFT;
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