On 01/07/2017 06:21 AM, Wang Sheng-Hui wrote: > Hi, > > Sorry to trouble you. > > I have one question about the define of struct sbitmap & sbitmap_word: > In sbitmap_word, the field depth is 'unsigned long', but in sbitmap, the field depth is 'unsigned int'. > Why they use different data types? No particular reason. The bit ops use unsigned long, so that is why sbitmap_word uses it. unsigned int should be enough for sbitmap in general. -- Jens Axboe -- To unsubscribe from this list: send the line "unsubscribe linux-block" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
