Wrap the fsid renaming code and move it to sysfs.c.
Signed-off-by: David Sterba <dsterba@suse.com>
&disk_to_dev(bdev->bd_disk)->kobj);
}
+void btrfs_sysfs_update_sprout_fsid(struct btrfs_fs_devices *fs_devices,
+ const u8 *fsid)
+{
+ char fsid_buf[BTRFS_UUID_UNPARSED_SIZE];
+
+ /*
+ * Sprouting changes fsid of the mounted filesystem, rename the fsid
+ * directory
+ */
+ snprintf(fsid_buf, BTRFS_UUID_UNPARSED_SIZE, "%pU", fsid);
+ if (kobject_rename(&fs_devices->fsid_kobj, fsid_buf))
+ btrfs_warn(fs_devices->fs_info,
+ "sysfs: failed to create fsid for sprout");
+}
+
/* /sys/fs/btrfs/ entry */
static struct kset *btrfs_kset;
struct kobject *parent);
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_update_sprout_fsid(struct btrfs_fs_devices *fs_devices,
+ const u8 *fsid);
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);
}
if (seeding_dev) {
- char fsid_buf[BTRFS_UUID_UNPARSED_SIZE];
-
ret = btrfs_finish_sprout(trans);
if (ret) {
btrfs_abort_transaction(trans, ret);
goto error_sysfs;
}
- /* Sprouting would change fsid of the mounted root,
- * so rename the fsid on the sysfs
- */
- snprintf(fsid_buf, BTRFS_UUID_UNPARSED_SIZE, "%pU",
- fs_info->fs_devices->fsid);
- if (kobject_rename(&fs_devices->fsid_kobj, fsid_buf))
- btrfs_warn(fs_info,
- "sysfs: failed to create fsid for sprout");
+ btrfs_sysfs_update_sprout_fsid(fs_devices,
+ fs_info->fs_devices->fsid);
}
ret = btrfs_commit_transaction(trans);