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Commit 6c14a164 authored by Anand Jain's avatar Anand Jain Committed by David Sterba
Browse files

Btrfs: sysfs btrfs_kobj_rm_device() pass fs_devices instead of fs_info 



since btrfs_kobj_rm_device() does nothing with fs_info

Signed-off-by: default avatarAnand Jain <anand.jain@oracle.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.cz>
parent 1ba43816

fs/btrfs/dev-replace.c

+1 −1
Original line number Diff line number Diff line
@@ -583,7 +583,7 @@ static int btrfs_dev_replace_finishing(struct btrfs_fs_info *fs_info, 
	mutex_unlock(&uuid_mutex);



	/* replace the sysfs entry */

	btrfs_kobj_rm_device(fs_info, src_device);

	btrfs_kobj_rm_device(fs_info->fs_devices, src_device);

	btrfs_kobj_add_device(fs_info->fs_devices, tgt_device);

	btrfs_rm_dev_replace_free_srcdev(fs_info, src_device);

fs/btrfs/sysfs.c

+6 −6
Original line number Diff line number Diff line
@@ -555,7 +555,7 @@ void btrfs_sysfs_remove_one(struct btrfs_fs_info *fs_info) 
	addrm_unknown_feature_attrs(fs_info, false);

	sysfs_remove_group(&fs_info->fs_devices->super_kobj, &btrfs_feature_attr_group);

	sysfs_remove_files(&fs_info->fs_devices->super_kobj, btrfs_attrs);

	btrfs_kobj_rm_device(fs_info, NULL);

	btrfs_kobj_rm_device(fs_info->fs_devices, NULL);

	btrfs_sysfs_remove_fsid(fs_info->fs_devices);

}
@@ -636,20 +636,20 @@ static void init_feature_attrs(void) 


/* when one_device is NULL, it removes all device links */



int btrfs_kobj_rm_device(struct btrfs_fs_info *fs_info,

int btrfs_kobj_rm_device(struct btrfs_fs_devices *fs_devices,

		struct btrfs_device *one_device)

{

	struct hd_struct *disk;

	struct kobject *disk_kobj;



	if (!fs_info->fs_devices->device_dir_kobj)

	if (!fs_devices->device_dir_kobj)

		return -EINVAL;



	if (one_device && one_device->bdev) {

		disk = one_device->bdev->bd_part;

		disk_kobj = &part_to_dev(disk)->kobj;



		sysfs_remove_link(fs_info->fs_devices->device_dir_kobj,

		sysfs_remove_link(fs_devices->device_dir_kobj,

						disk_kobj->name);

	}
@@ -657,13 +657,13 @@ int btrfs_kobj_rm_device(struct btrfs_fs_info *fs_info, 
		return 0;



	list_for_each_entry(one_device,

			&fs_info->fs_devices->devices, dev_list) {

			&fs_devices->devices, dev_list) {

		if (!one_device->bdev)

			continue;

		disk = one_device->bdev->bd_part;

		disk_kobj = &part_to_dev(disk)->kobj;



		sysfs_remove_link(fs_info->fs_devices->device_dir_kobj,

		sysfs_remove_link(fs_devices->device_dir_kobj,

						disk_kobj->name);

	}

fs/btrfs/sysfs.h

+1 −1
Original line number Diff line number Diff line
@@ -84,6 +84,6 @@ extern struct kobj_type space_info_ktype; 
extern struct kobj_type btrfs_raid_ktype;

int btrfs_kobj_add_device(struct btrfs_fs_devices *fs_devices,

		struct btrfs_device *one_device);

int btrfs_kobj_rm_device(struct btrfs_fs_info *fs_info,

int btrfs_kobj_rm_device(struct btrfs_fs_devices *fs_devices,

                struct btrfs_device *one_device);

#endif /* _BTRFS_SYSFS_H_ */

fs/btrfs/volumes.c

+2 −2
Original line number Diff line number Diff line
@@ -1710,7 +1710,7 @@ int btrfs_rm_device(struct btrfs_root *root, char *device_path) 
	if (device->bdev) {

		device->fs_devices->open_devices--;

		/* remove sysfs entry */

		btrfs_kobj_rm_device(root->fs_info, device);

		btrfs_kobj_rm_device(root->fs_info->fs_devices, device);

	}



	call_rcu(&device->rcu, free_device);
@@ -2294,7 +2294,7 @@ int btrfs_init_new_device(struct btrfs_root *root, char *device_path) 
error_trans:

	btrfs_end_transaction(trans, root);

	rcu_string_free(device->name);

	btrfs_kobj_rm_device(root->fs_info, device);

	btrfs_kobj_rm_device(root->fs_info->fs_devices, device);

	kfree(device);

error:

	blkdev_put(bdev, FMODE_EXCL);