On 4/6/22 5:24 AM, Zhang Wensheng wrote: > When 'index' is a big numbers, it may become negative which forced > to 'int'. then 'index << part_shift' might overflow to a positive > value that is not greater than '0xfffff', then sysfs might complains > about duplicate creation. Because of this, move the 'index' judgment > to the front will fix it and be better. What's changed in this version? Always add a v2 to both the subject line and below the '---' so that folks reviewing this will know what changes you made since the last posting. -- Jens Axboe