Commit 9188db61 authored by David Sterba's avatar David Sterba
Browse files

btrfs: sysfs: move helper macros to sysfs.c 



None of the macros is used outside of sysfs.c.

Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 8f52316c

fs/btrfs/sysfs.c

+48 −0
Original line number Diff line number Diff line
@@ -18,6 +18,54 @@ 
#include "space-info.h"

#include "block-group.h"



struct btrfs_feature_attr {

	struct kobj_attribute kobj_attr;

	enum btrfs_feature_set feature_set;

	u64 feature_bit;

};



/* For raid type sysfs entries */

struct raid_kobject {

	u64 flags;

	struct kobject kobj;

};



#define __INIT_KOBJ_ATTR(_name, _mode, _show, _store)			\

{									\

	.attr	= { .name = __stringify(_name), .mode = _mode },	\

	.show	= _show,						\

	.store	= _store,						\

}



#define BTRFS_ATTR_RW(_prefix, _name, _show, _store)			\

	static struct kobj_attribute btrfs_attr_##_prefix##_##_name =	\

			__INIT_KOBJ_ATTR(_name, 0644, _show, _store)



#define BTRFS_ATTR(_prefix, _name, _show)				\

	static struct kobj_attribute btrfs_attr_##_prefix##_##_name =	\

			__INIT_KOBJ_ATTR(_name, 0444, _show, NULL)



#define BTRFS_ATTR_PTR(_prefix, _name)					\

	(&btrfs_attr_##_prefix##_##_name.attr)



#define BTRFS_FEAT_ATTR(_name, _feature_set, _feature_prefix, _feature_bit)  \

static struct btrfs_feature_attr btrfs_attr_features_##_name = {	     \

	.kobj_attr = __INIT_KOBJ_ATTR(_name, S_IRUGO,			     \

				      btrfs_feature_attr_show,		     \

				      btrfs_feature_attr_store),	     \

	.feature_set	= _feature_set,					     \

	.feature_bit	= _feature_prefix ##_## _feature_bit,		     \

}

#define BTRFS_FEAT_ATTR_PTR(_name)					     \

	(&btrfs_attr_features_##_name.kobj_attr.attr)



#define BTRFS_FEAT_ATTR_COMPAT(name, feature) \

	BTRFS_FEAT_ATTR(name, FEAT_COMPAT, BTRFS_FEATURE_COMPAT, feature)

#define BTRFS_FEAT_ATTR_COMPAT_RO(name, feature) \

	BTRFS_FEAT_ATTR(name, FEAT_COMPAT_RO, BTRFS_FEATURE_COMPAT_RO, feature)

#define BTRFS_FEAT_ATTR_INCOMPAT(name, feature) \

	BTRFS_FEAT_ATTR(name, FEAT_INCOMPAT, BTRFS_FEATURE_INCOMPAT, feature)



static inline struct btrfs_fs_info *to_fs_info(struct kobject *kobj);

static inline struct btrfs_fs_devices *to_fs_devs(struct kobject *kobj);

fs/btrfs/sysfs.h

+0 −49
Original line number Diff line number Diff line
@@ -12,55 +12,6 @@ enum btrfs_feature_set { 
	FEAT_MAX

};



#define __INIT_KOBJ_ATTR(_name, _mode, _show, _store)			\

{									\

	.attr	= { .name = __stringify(_name), .mode = _mode },	\

	.show	= _show,						\

	.store	= _store,						\

}



#define BTRFS_ATTR_RW(_prefix, _name, _show, _store)			\

	static struct kobj_attribute btrfs_attr_##_prefix##_##_name =	\

			__INIT_KOBJ_ATTR(_name, 0644, _show, _store)



#define BTRFS_ATTR(_prefix, _name, _show)				\

	static struct kobj_attribute btrfs_attr_##_prefix##_##_name =	\

			__INIT_KOBJ_ATTR(_name, 0444, _show, NULL)



#define BTRFS_ATTR_PTR(_prefix, _name)					\

	(&btrfs_attr_##_prefix##_##_name.attr)





struct btrfs_feature_attr {

	struct kobj_attribute kobj_attr;

	enum btrfs_feature_set feature_set;

	u64 feature_bit;

};



/* For raid type sysfs entries */

struct raid_kobject {

	u64 flags;

	struct kobject kobj;

};



#define BTRFS_FEAT_ATTR(_name, _feature_set, _feature_prefix, _feature_bit)  \

static struct btrfs_feature_attr btrfs_attr_features_##_name = {	     \

	.kobj_attr = __INIT_KOBJ_ATTR(_name, S_IRUGO,			     \

				      btrfs_feature_attr_show,		     \

				      btrfs_feature_attr_store),	     \

	.feature_set	= _feature_set,					     \

	.feature_bit	= _feature_prefix ##_## _feature_bit,		     \

}

#define BTRFS_FEAT_ATTR_PTR(_name)					     \

	(&btrfs_attr_features_##_name.kobj_attr.attr)



#define BTRFS_FEAT_ATTR_COMPAT(name, feature) \

	BTRFS_FEAT_ATTR(name, FEAT_COMPAT, BTRFS_FEATURE_COMPAT, feature)

#define BTRFS_FEAT_ATTR_COMPAT_RO(name, feature) \

	BTRFS_FEAT_ATTR(name, FEAT_COMPAT_RO, BTRFS_FEATURE_COMPAT_RO, feature)

#define BTRFS_FEAT_ATTR_INCOMPAT(name, feature) \

	BTRFS_FEAT_ATTR(name, FEAT_INCOMPAT, BTRFS_FEATURE_INCOMPAT, feature)



char *btrfs_printable_features(enum btrfs_feature_set set, u64 flags);

const char * const btrfs_feature_set_name(enum btrfs_feature_set set);

int btrfs_sysfs_add_device_link(struct btrfs_fs_devices *fs_devices,