From 102a0743326a03cd1a1202ceda21e175b7d3575c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:20:52 +0000
Subject: [PATCH] add new system file
---
kernel/fs/btrfs/sysfs.h | 101 ++++++++++++--------------------------------------
1 files changed, 25 insertions(+), 76 deletions(-)
diff --git a/kernel/fs/btrfs/sysfs.h b/kernel/fs/btrfs/sysfs.h
index c6ee600..bacef43 100644
--- a/kernel/fs/btrfs/sysfs.h
+++ b/kernel/fs/btrfs/sysfs.h
@@ -3,92 +3,41 @@
#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 = 0,
+ FEAT_COMPAT,
FEAT_COMPAT_RO,
FEAT_INCOMPAT,
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;
-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,
- struct btrfs_device *one_device);
-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);
+const char *btrfs_feature_set_name(enum btrfs_feature_set set);
+int btrfs_sysfs_add_device(struct btrfs_device *device);
+void btrfs_sysfs_remove_device(struct btrfs_device *device);
+int btrfs_sysfs_add_fsid(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);
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);
+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);
+void btrfs_sysfs_update_devid(struct btrfs_device *device);
+
+int btrfs_sysfs_add_one_qgroup(struct btrfs_fs_info *fs_info,
+ struct btrfs_qgroup *qgroup);
+void btrfs_sysfs_del_qgroups(struct btrfs_fs_info *fs_info);
+int btrfs_sysfs_add_qgroups(struct btrfs_fs_info *fs_info);
+void btrfs_sysfs_del_one_qgroup(struct btrfs_fs_info *fs_info,
+ struct btrfs_qgroup *qgroup);
#endif
--
Gitblit v1.6.2