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Commit 2e3e1281 authored by Anand Jain's avatar Anand Jain Committed by David Sterba
Browse files

Btrfs: sysfs: provide framework to remove all fsid sysfs kobject 



Just a helper function to clean up the sysfs fsid kobjects.

Signed-off-by: default avatarAnand Jain <anand.jain@oracle.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.cz>
parent 5a13f430

fs/btrfs/sysfs.c

+16 −1
Original line number Diff line number Diff line
@@ -515,7 +515,7 @@ static int addrm_unknown_feature_attrs(struct btrfs_fs_info *fs_info, bool add) 
	return 0;

}



static void btrfs_sysfs_remove_fsid(struct btrfs_fs_devices *fs_devs)

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);
@@ -528,6 +528,21 @@ static void btrfs_sysfs_remove_fsid(struct btrfs_fs_devices *fs_devs) 
	wait_for_completion(&fs_devs->kobj_unregister);

}



/* when fs_devs is NULL it will remove all fsid kobject */

static void btrfs_sysfs_remove_fsid(struct btrfs_fs_devices *fs_devs)

{

	struct list_head *fs_uuids = btrfs_get_fs_uuids();



	if (fs_devs) {

		__btrfs_sysfs_remove_fsid(fs_devs);

		return;

	}



	list_for_each_entry(fs_devs, fs_uuids, list) {

		__btrfs_sysfs_remove_fsid(fs_devs);

	}

}



void btrfs_sysfs_remove_one(struct btrfs_fs_info *fs_info)

{

	btrfs_reset_fs_info_ptr(fs_info);