1 // SPDX-License-Identifier: GPL-2.0
11 use core::fmt::{self, Write};
24     fn default() -> Self {  in default()
25         Self {  in default()
36     pub fn new() -> Self {  in new()
37         Self::default()  in new()
41     pub fn rotational(mut self, rotational: bool) -> Self {  in rotational()  argument
42         self.rotational = rotational;  in rotational()
43         self  in rotational()
47     /// and that it is a power of two.
48     fn validate_block_size(size: u32) -> Result {  in validate_block_size()
58     /// This method will check that block size is a power of two and between 512
63     pub fn logical_block_size(mut self, block_size: u32) -> Result<Self> {  in logical_block_size()  argument
64         Self::validate_block_size(block_size)?;  in logical_block_size()
65         self.logical_block_size = block_size;  in logical_block_size()
66         Ok(self)  in logical_block_size()
71     /// This method will check that block size is a power of two and between 512
78     pub fn physical_block_size(mut self, block_size: u32) -> Result<Self> {  in physical_block_size()  argument
79         Self::validate_block_size(block_size)?;  in physical_block_size()
80         self.physical_block_size = block_size;  in physical_block_size()
81         Ok(self)  in physical_block_size()
85     pub fn capacity_sectors(mut self, capacity: u64) -> Self {  in capacity_sectors()  argument
86         self.capacity_sectors = capacity;  in capacity_sectors()
87         self  in capacity_sectors()
92         self,  in build()
95     ) -> Result<GenDisk<T>> {  in build()
99         lim.logical_block_size = self.logical_block_size;  in build()
100         lim.physical_block_size = self.physical_block_size;  in build()
101         if self.rotational {  in build()
132             // https://github.com/rust-lang/rust/issues/119618  in build()
154         unsafe { bindings::set_capacity(gendisk, self.capacity_sectors) };  in build()
177 /// - `gendisk` must always point to an initialized and valid `struct gendisk`.
178 /// - `gendisk` was added to the VFS through a call to
190     fn drop(&mut self) {  in drop()  argument
191         // SAFETY: By type invariant, `self.gendisk` points to a valid and  in drop()
194         unsafe { bindings::del_gendisk(self.gendisk) };  in drop()