Commit 5b28692e authored by David Sterba's avatar David Sterba
Browse files

btrfs: factor out sysfs code for sending device uevent 



The device uevent belongs to the sysfs API.

Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent f10152bc

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;

fs/btrfs/sysfs.h

+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);

fs/btrfs/volumes.c

+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;