On remove device path, it updates device->dev_alloc_list but does not hold
chunk lock
Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
}
if (device->writeable) {
+ lock_chunks(root);
list_del_init(&device->dev_alloc_list);
+ unlock_chunks(root);
root->fs_info->fs_devices->rw_devices--;
}
}
fs_devices->seed = device->fs_devices->seed;
device->fs_devices->seed = NULL;
+ lock_chunks(root);
__btrfs_close_devices(device->fs_devices);
+ unlock_chunks(root);
free_fs_devices(device->fs_devices);
}
return ret;
error_undo:
if (device->writeable) {
+ lock_chunks(root);
list_add(&device->dev_alloc_list,
&root->fs_info->fs_devices->alloc_list);
+ unlock_chunks(root);
root->fs_info->fs_devices->rw_devices++;
}
goto error_brelse;