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Add sysfs default_groups usage

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Since v5.1-rc3-29-gaa30f47cf666, and in el9, there are changes to reduce
the amount of boilerplate code needed to hook up lots of attribute files
using a .default_groups member. In el10, this is the required method as
.default_attrs has been removed. This touches every sysfs part that we
have.

Signed-off-by: Auke Kok <auke.kok@versity.com>
This commit is contained in:
Auke Kok
2026-06-01 17:09:05 +00:00
parent f24783955b
commit c0fb1ef641
10 changed files with 84 additions and 13 deletions
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kmod/src/counters.c
+12 -2
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@@ -34,6 +34,17 @@ static struct attribute scoutfs_counter_attrs[] = {
#define NR_ATTRS ARRAY_SIZE(scoutfs_counter_attrs)
static struct attribute *scoutfs_counter_attr_ptrs[NR_ATTRS + 1];
#ifdef KC_KOBJECT_DEFAULT_GROUPS
static struct attribute_group scoutfs_counter_attr_group = {
.attrs = scoutfs_counter_attr_ptrs,
};
static const struct attribute_group *scoutfs_counter_attr_groups[] = {
&scoutfs_counter_attr_group,
NULL,
};
#endif
static ssize_t scoutfs_counter_attr_show(struct kobject *kobj,
struct attribute *attr, char *buf)
{
@@ -45,7 +56,6 @@ static ssize_t scoutfs_counter_attr_show(struct kobject *kobj,
counters = container_of(kobj, struct scoutfs_counters, kobj);
index = attr - scoutfs_counter_attrs;
pcpu = &counters->FIRST_COUNTER + index;
return snprintf(buf, PAGE_SIZE, "%lld\n", percpu_counter_sum(pcpu));
}
@@ -63,7 +73,7 @@ static const struct sysfs_ops scoutfs_counter_attr_ops = {
};
static struct kobj_type scoutfs_counters_ktype = {
.default_attrs = scoutfs_counter_attr_ptrs,
.KC_KOBJ_DEFAULT_OP = KC_KOBJ_DEFAULT_PICK(scoutfs_counter_attr_groups, scoutfs_counter_attr_ptrs),
.sysfs_ops = &scoutfs_counter_attr_ops,
.release = scoutfs_counters_kobj_release,
};