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module: change attr callbacks to take struct module_kobject

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This simplifies the next patch, where we have an attribute on a
builtin module (ie. module == NULL).

Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (split into 2)
This commit is contained in:
Kay Sievers 2011-07-24 22:06:04 +09:30 committed by Rusty Russell
parent 66574cc054
commit 4befb026cf
3 changed files with 24 additions and 23 deletions
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21
include/linux/module.h
View File

@ -48,10 +48,18 @@ struct modversion_info
struct module;
struct module_kobject {
struct kobject kobj;
struct module *mod;
struct kobject *drivers_dir;
struct module_param_attrs *mp;
};
struct module_attribute {
struct attribute attr;
ssize_t (*show)(struct module_attribute *, struct module *, char *);
ssize_t (*store)(struct module_attribute *, struct module *,
ssize_t (*show)(struct module_attribute *, struct module_kobject *,
char *);
ssize_t (*store)(struct module_attribute *, struct module_kobject *,
const char *, size_t count);
void (*setup)(struct module *, const char *);
int (*test)(struct module *);
@ -65,15 +73,8 @@ struct module_version_attribute {
} __attribute__ ((__aligned__(sizeof(void *))));
extern ssize_t __modver_version_show(struct module_attribute *,
struct module *, char *);
struct module_kobject *, char *);
struct module_kobject
{
struct kobject kobj;
struct module *mod;
struct kobject *drivers_dir;
struct module_param_attrs *mp;
};
/* These are either module local, or the kernel's dummy ones. */
extern int init_module(void);

14
kernel/module.c
View File

@ -545,9 +545,9 @@ static void setup_modinfo_##field(struct module *mod, const char *s) \
mod->field = kstrdup(s, GFP_KERNEL); \
} \
static ssize_t show_modinfo_##field(struct module_attribute *mattr, \
struct module *mod, char *buffer) \
struct module_kobject *mk, char *buffer) \
{ \
return sprintf(buffer, "%s\n", mod->field); \
return sprintf(buffer, "%s\n", mk->mod->field); \
} \
static int modinfo_##field##_exists(struct module *mod) \
{ \
@ -902,9 +902,9 @@ void symbol_put_addr(void *addr)
EXPORT_SYMBOL_GPL(symbol_put_addr);
static ssize_t show_refcnt(struct module_attribute *mattr,
struct module *mod, char *buffer)
struct module_kobject *mk, char *buffer)
{
return sprintf(buffer, "%u\n", module_refcount(mod));
return sprintf(buffer, "%u\n", module_refcount(mk->mod));
}
static struct module_attribute refcnt = {
@ -952,11 +952,11 @@ static inline int module_unload_init(struct module *mod)
#endif /* CONFIG_MODULE_UNLOAD */
static ssize_t show_initstate(struct module_attribute *mattr,
struct module *mod, char *buffer)
struct module_kobject *mk, char *buffer)
{
const char *state = "unknown";
switch (mod->state) {
switch (mk->mod->state) {
case MODULE_STATE_LIVE:
state = "live";
break;
@ -1187,7 +1187,7 @@ struct module_sect_attrs
};
static ssize_t module_sect_show(struct module_attribute *mattr,
struct module *mod, char *buf)
struct module_kobject *mk, char *buf)
{
struct module_sect_attr *sattr =
container_of(mattr, struct module_sect_attr, mattr);

10
kernel/params.c
View File

@ -511,7 +511,7 @@ struct module_param_attrs
#define to_param_attr(n) container_of(n, struct param_attribute, mattr)
static ssize_t param_attr_show(struct module_attribute *mattr,
struct module *mod, char *buf)
struct module_kobject *mk, char *buf)
{
int count;
struct param_attribute *attribute = to_param_attr(mattr);
@ -531,7 +531,7 @@ static ssize_t param_attr_show(struct module_attribute *mattr,
/* sysfs always hands a nul-terminated string in buf. We rely on that. */
static ssize_t param_attr_store(struct module_attribute *mattr,
struct module *owner,
struct module_kobject *km,
const char *buf, size_t len)
{
int err;
@ -807,7 +807,7 @@ static void __init param_sysfs_builtin(void)
}
ssize_t __modver_version_show(struct module_attribute *mattr,
struct module *mod, char *buf)
struct module_kobject *mk, char *buf)
{
struct module_version_attribute *vattr =
container_of(mattr, struct module_version_attribute, mattr);
@ -852,7 +852,7 @@ static ssize_t module_attr_show(struct kobject *kobj,
if (!attribute->show)
return -EIO;
ret = attribute->show(attribute, mk->mod, buf);
ret = attribute->show(attribute, mk, buf);
return ret;
}
@ -871,7 +871,7 @@ static ssize_t module_attr_store(struct kobject *kobj,
if (!attribute->store)
return -EIO;
ret = attribute->store(attribute, mk->mod, buf, len);
ret = attribute->store(attribute, mk, buf, len);
return ret;
}