btrfs: factor out sysfs code for sending device uevent (5b28692e) · Commits · 戴 / test

fs/btrfs/sysfs.c

+11 −0

Original line number	Diff line number	Diff line
		@@ -913,6 +913,17 @@ int btrfs_sysfs_add_device_link(struct btrfs_fs_devices *fs_devices,
		return error;
		}

		void btrfs_kobject_uevent(struct block_device *bdev, enum kobject_action action)
		{
		int ret;

		ret = kobject_uevent(&disk_to_dev(bdev->bd_disk)->kobj, action);
		if (ret)
		pr_warn("BTRFS: Sending event '%d' to kobject: '%s' (%p): failed\n",
		action, kobject_name(&disk_to_dev(bdev->bd_disk)->kobj),
		&disk_to_dev(bdev->bd_disk)->kobj);
		}

		/* /sys/fs/btrfs/ entry */
		static struct kset *btrfs_kset;

+1 −0

Original line number	Diff line number	Diff line
		@@ -89,6 +89,7 @@ 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_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);

+0 −13

Original line number	Diff line number	Diff line
		@@ -358,19 +358,6 @@ static void free_fs_devices(struct btrfs_fs_devices *fs_devices)
		kfree(fs_devices);
		}

		static void btrfs_kobject_uevent(struct block_device *bdev,
		enum kobject_action action)
		{
		int ret;

		ret = kobject_uevent(&disk_to_dev(bdev->bd_disk)->kobj, action);
		if (ret)
		pr_warn("BTRFS: Sending event '%d' to kobject: '%s' (%p): failed\n",
		action,
		kobject_name(&disk_to_dev(bdev->bd_disk)->kobj),
		&disk_to_dev(bdev->bd_disk)->kobj);
		}

		void __exit btrfs_cleanup_fs_uuids(void)
		{
		struct btrfs_fs_devices *fs_devices;