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rnull: use kernel::fmt

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Reduce coupling to implementation details of the formatting machinery by
avoiding direct use for `core`'s formatting traits and macros.

This backslid in commit d969d504bc ("rnull: enable configuration via
`configfs`") and commit 34585dc649 ("rnull: add soft-irq completion
support").

Acked-by: Andreas Hindborg <a.hindborg@kernel.org>
Signed-off-by: Tamir Duberstein <tamird@gmail.com>
Link: https://patch.msgid.link/20251018-cstr-core-v18-5-9378a54385f8@gmail.com
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
This commit is contained in:
Tamir Duberstein 2025-10-18 15:16:26 -04:00 committed by Miguel Ojeda
parent 0dac8cf44b
commit 5cc5d805e3
1 changed files with 5 additions and 4 deletions
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9
drivers/block/rnull/configfs.rs
View File

@ -1,12 +1,13 @@
// SPDX-License-Identifier: GPL-2.0
use super::{NullBlkDevice, THIS_MODULE};
use core::fmt::{Display, Write};
use kernel::{
block::mq::gen_disk::{GenDisk, GenDiskBuilder},
c_str,
configfs::{self, AttributeOperations},
configfs_attrs, new_mutex,
configfs_attrs,
fmt::{self, Write as _},
new_mutex,
page::PAGE_SIZE,
prelude::*,
str::{kstrtobool_bytes, CString},
@ -99,8 +100,8 @@ fn try_from(value: u8) -> Result<Self> {
}
}
impl Display for IRQMode {
fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
impl fmt::Display for IRQMode {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
Self::None => f.write_str("0")?,
Self::Soft => f.write_str("1")?,