On Thu, Mar 25, 2021 at 10:41:43PM +0800, Anand Jain wrote: > On 25/03/2021 15:14, Qu Wenruo wrote: > > +static ssize_t supported_sectorsizes_show(struct kobject *kobj, > > + struct kobj_attribute *a, > > + char *buf) > > +{ > > + ssize_t ret = 0; > > + > > + /* Only support sectorsize == PAGE_SIZE yet */ > > + ret += scnprintf(buf + ret, PAGE_SIZE - ret, "%lu\n", > > + PAGE_SIZE); > > + return ret; > > +} > > ret can be removed completely here.
You mean to do 'return scnprintf(...)' ? For now it's just a single value returned but with further support there will be a pattern like is eg. in supported_checksums_show, so it's ok as a preparatory work.