diff options
Diffstat (limited to 'fs/btrfs/sysfs.h')
-rw-r--r-- | fs/btrfs/sysfs.h | 82 |
1 files changed, 14 insertions, 68 deletions
diff --git a/fs/btrfs/sysfs.h b/fs/btrfs/sysfs.h index 40716b357c1d..610e9c36a94c 100644 --- a/fs/btrfs/sysfs.h +++ b/fs/btrfs/sysfs.h @@ -3,10 +3,7 @@ #ifndef BTRFS_SYSFS_H #define BTRFS_SYSFS_H -/* - * Data exported through sysfs - */ -extern u64 btrfs_debugfs_test; +#include <linux/kobject.h> enum btrfs_feature_set { FEAT_COMPAT, @@ -15,71 +12,8 @@ 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; -}; - -#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) - -/* convert from attribute */ -static inline struct btrfs_feature_attr * -to_btrfs_feature_attr(struct kobj_attribute *a) -{ - return container_of(a, struct btrfs_feature_attr, kobj_attr); -} - -static inline struct kobj_attribute *attr_to_btrfs_attr(struct attribute *attr) -{ - return container_of(attr, struct kobj_attribute, attr); -} - -static inline struct btrfs_feature_attr * -attr_to_btrfs_feature_attr(struct attribute *attr) -{ - return to_btrfs_feature_attr(attr_to_btrfs_attr(attr)); -} - char *btrfs_printable_features(enum btrfs_feature_set set, u64 flags); -extern const char * const btrfs_feature_set_names[FEAT_MAX]; -extern struct kobj_type space_info_ktype; -extern struct kobj_type btrfs_raid_ktype; +const char * const btrfs_feature_set_name(enum btrfs_feature_set set); int btrfs_sysfs_add_device_link(struct btrfs_fs_devices *fs_devices, struct btrfs_device *one_device); int btrfs_sysfs_rm_device_link(struct btrfs_fs_devices *fs_devices, @@ -88,7 +22,19 @@ int btrfs_sysfs_add_fsid(struct btrfs_fs_devices *fs_devs, struct kobject *parent); int btrfs_sysfs_add_device(struct btrfs_fs_devices *fs_devs); void btrfs_sysfs_remove_fsid(struct btrfs_fs_devices *fs_devs); +void btrfs_sysfs_update_sprout_fsid(struct btrfs_fs_devices *fs_devices, + const u8 *fsid); void btrfs_sysfs_feature_update(struct btrfs_fs_info *fs_info, u64 bit, enum btrfs_feature_set set); +void btrfs_kobject_uevent(struct block_device *bdev, enum kobject_action action); + +int __init btrfs_init_sysfs(void); +void __cold btrfs_exit_sysfs(void); +int btrfs_sysfs_add_mounted(struct btrfs_fs_info *fs_info); +void btrfs_sysfs_remove_mounted(struct btrfs_fs_info *fs_info); +void btrfs_sysfs_add_block_group_type(struct btrfs_block_group_cache *cache); +int btrfs_sysfs_add_space_info_type(struct btrfs_fs_info *fs_info, + struct btrfs_space_info *space_info); +void btrfs_sysfs_remove_space_info(struct btrfs_space_info *space_info); #endif |