On 1/19/22 9:20 PM, Matthew Wilcox wrote: > On Wed, Jan 12, 2022 at 05:02:13PM +0800, JeffleXu wrote: >> I'm afraid IDR can't be replaced by xarray here. Because we need an 'ID' >> for each pending read request, so that after fetching data from remote, >> user daemon could notify kernel which read request has finished by this >> 'ID'. >> >> Currently this 'ID' is get from idr_alloc(), and actually identifies the >> position of corresponding read request inside the IDR tree. I can't find >> similar API of xarray implementing similar function, i.e., returning an >> 'ID'. > > xa_alloc(). > Oh yes. Thanks. I will try to convert to xarray API... -- Thanks, Jeffle
