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headers/uninline: Uninline single-use function: kobject_has_children()

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This was the only usage of <linux/kref_api.h> in <linux/kobject_api.h>,
so we'll able to decouple the two after this change.

Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ingo Molnar 2021-08-29 09:18:53 +02:00 committed by Greg Kroah-Hartman
parent 28f0c335dd
commit f083266487
2 changed files with 17 additions and 17 deletions
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17
drivers/base/core.c
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@ -3028,6 +3028,23 @@ static inline struct kobject *get_glue_dir(struct device *dev)
return dev->kobj.parent;
}
/**
* kobject_has_children - Returns whether a kobject has children.
* @kobj: the object to test
*
* This will return whether a kobject has other kobjects as children.
*
* It does NOT account for the presence of attribute files, only sub
* directories. It also assumes there is no concurrent addition or
* removal of such children, and thus relies on external locking.
*/
static inline bool kobject_has_children(struct kobject *kobj)
{
WARN_ON_ONCE(kref_read(&kobj->kref) == 0);
return kobj->sd && kobj->sd->dir.subdirs;
}
/*
* make sure cleaning up dir as the last step, we need to make
* sure .release handler of kobject is run with holding the

17
include/linux/kobject.h
View File

@ -117,23 +117,6 @@ extern void kobject_get_ownership(struct kobject *kobj,
kuid_t *uid, kgid_t *gid);
extern char *kobject_get_path(struct kobject *kobj, gfp_t flag);
/**
* kobject_has_children - Returns whether a kobject has children.
* @kobj: the object to test
*
* This will return whether a kobject has other kobjects as children.
*
* It does NOT account for the presence of attribute files, only sub
* directories. It also assumes there is no concurrent addition or
* removal of such children, and thus relies on external locking.
*/
static inline bool kobject_has_children(struct kobject *kobj)
{
WARN_ON_ONCE(kref_read(&kobj->kref) == 0);
return kobj->sd && kobj->sd->dir.subdirs;
}
struct kobj_type {
void (*release)(struct kobject *kobj);
const struct sysfs_ops *sysfs_ops;