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configfs changes for v7.0

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Merge tag 'configfs-for-v7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/a.hindborg/linux

Pull configfs updates from Andreas Hindborg:

 - Switch the configfs rust bindings to use c string literals provided
   by the compiler, rather than a macro

 - A follow up on constifying `configfs_item_operations`, applying the
   change to the configfs sample

* tag 'configfs-for-v7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/a.hindborg/linux:
  samples: configfs: Constify struct configfs_item_operations and configfs_group_operations
  rust: configfs: replace `kernel::c_str!` with C-Strings
This commit is contained in:
Linus Torvalds 2026-02-12 14:01:38 -08:00
commit 8c0901b6f9
4 changed files with 11 additions and 12 deletions
Download patch file Download diff file Expand all files Collapse all files

8
samples/configfs/configfs_sample.c
View file

@ -158,7 +158,7 @@ static void simple_child_release(struct config_item *item)
kfree(to_simple_child(item));
}
static struct configfs_item_operations simple_child_item_ops = {
static const struct configfs_item_operations simple_child_item_ops = {
.release = simple_child_release,
};
@ -215,7 +215,7 @@ static void simple_children_release(struct config_item *item)
kfree(to_simple_children(item));
}
static struct configfs_item_operations simple_children_item_ops = {
static const struct configfs_item_operations simple_children_item_ops = {
.release = simple_children_release,
};
@ -223,7 +223,7 @@ static struct configfs_item_operations simple_children_item_ops = {
* Note that, since no extra work is required on ->drop_item(),
* no ->drop_item() is provided.
*/
static struct configfs_group_operations simple_children_group_ops = {
static const struct configfs_group_operations simple_children_group_ops = {
.make_item = simple_children_make_item,
};
@ -292,7 +292,7 @@ static struct configfs_attribute *group_children_attrs[] = {
* Note that, since no extra work is required on ->drop_item(),
* no ->drop_item() is provided.
*/
static struct configfs_group_operations group_children_group_ops = {
static const struct configfs_group_operations group_children_group_ops = {
.make_group = group_children_make_group,
};

5
samples/rust/rust_configfs.rs
View file

@ -3,7 +3,6 @@
//! Rust configfs sample.
use kernel::alloc::flags;
use kernel::c_str;
use kernel::configfs;
use kernel::configfs::configfs_attrs;
use kernel::new_mutex;
@ -35,7 +34,7 @@ struct Configuration {
impl Configuration {
fn new() -> impl PinInit<Self, Error> {
try_pin_init!(Self {
message: c_str!("Hello World\n"),
message: c"Hello World\n",
bar <- new_mutex!((KBox::new([0; PAGE_SIZE], flags::GFP_KERNEL)?, 0)),
})
}
@ -61,7 +60,7 @@ impl kernel::InPlaceModule for RustConfigfs {
try_pin_init!(Self {
config <- configfs::Subsystem::new(
c_str!("rust_configfs"), item_type, Configuration::new()
c"rust_configfs", item_type, Configuration::new()
),
})
}