Commit b5501504 authored by Anand Jain's avatar Anand Jain Committed by David Sterba
Browse files

btrfs: sysfs, rename devices kobject holder to devices_kobj 



The struct member btrfs_device::device_dir_kobj holds the kobj of the
sysfs directory /sys/fs/btrfs/UUID/devices, so rename it from
device_dir_kobj to devices_kobj. No functional changes.

Signed-off-by: default avatarAnand Jain <anand.jain@oracle.com>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent db26a024

fs/btrfs/sysfs.c

+12 −14
Original line number Diff line number Diff line
@@ -734,10 +734,10 @@ static int addrm_unknown_feature_attrs(struct btrfs_fs_info *fs_info, bool add) 


static void __btrfs_sysfs_remove_fsid(struct btrfs_fs_devices *fs_devs)

{

	if (fs_devs->device_dir_kobj) {

		kobject_del(fs_devs->device_dir_kobj);

		kobject_put(fs_devs->device_dir_kobj);

		fs_devs->device_dir_kobj = NULL;

	if (fs_devs->devices_kobj) {

		kobject_del(fs_devs->devices_kobj);

		kobject_put(fs_devs->devices_kobj);

		fs_devs->devices_kobj = NULL;

	}



	if (fs_devs->fsid_kobj.state_initialized) {
@@ -969,15 +969,14 @@ int btrfs_sysfs_rm_device_link(struct btrfs_fs_devices *fs_devices, 
	struct hd_struct *disk;

	struct kobject *disk_kobj;



	if (!fs_devices->device_dir_kobj)

	if (!fs_devices->devices_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_devices->device_dir_kobj,

						disk_kobj->name);

		sysfs_remove_link(fs_devices->devices_kobj, disk_kobj->name);

	}



	if (one_device)
@@ -990,8 +989,7 @@ int btrfs_sysfs_rm_device_link(struct btrfs_fs_devices *fs_devices, 
		disk = one_device->bdev->bd_part;

		disk_kobj = &part_to_dev(disk)->kobj;



		sysfs_remove_link(fs_devices->device_dir_kobj,

						disk_kobj->name);

		sysfs_remove_link(fs_devices->devices_kobj, disk_kobj->name);

	}



	return 0;
@@ -999,11 +997,11 @@ int btrfs_sysfs_rm_device_link(struct btrfs_fs_devices *fs_devices, 


int btrfs_sysfs_add_device(struct btrfs_fs_devices *fs_devs)

{

	if (!fs_devs->device_dir_kobj)

		fs_devs->device_dir_kobj = kobject_create_and_add("devices",

	if (!fs_devs->devices_kobj)

		fs_devs->devices_kobj = kobject_create_and_add("devices",

							&fs_devs->fsid_kobj);



	if (!fs_devs->device_dir_kobj)

	if (!fs_devs->devices_kobj)

		return -ENOMEM;



	return 0;
@@ -1028,7 +1026,7 @@ int btrfs_sysfs_add_device_link(struct btrfs_fs_devices *fs_devices, 
		disk = dev->bdev->bd_part;

		disk_kobj = &part_to_dev(disk)->kobj;



		error = sysfs_create_link(fs_devices->device_dir_kobj,

		error = sysfs_create_link(fs_devices->devices_kobj,

					  disk_kobj, disk_kobj->name);

		if (error)

			break;

fs/btrfs/volumes.h

+1 −1
Original line number Diff line number Diff line
@@ -255,7 +255,7 @@ struct btrfs_fs_devices { 
	struct btrfs_fs_info *fs_info;

	/* sysfs kobjects */

	struct kobject fsid_kobj;

	struct kobject *device_dir_kobj;

	struct kobject *devices_kobj;

	struct completion kobj_unregister;

};

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