On Tue, Jun 07, 2016 at 07:58:25AM -0700, Shaohua Li wrote: > > I didn't follow. io_err is only and always set when ret == 0. io_err is > meanless if ret != 0, because that means the disk doesn't support discard and > we don't dispatch discard IO. why should we initialized io_err to 0? My mistake - I confused what !ret would mean. Unfortunately the V2 patch no longer cleanly applies to the latest kernel (db06d759d6cf903aeda8c107fd3abd366dd80200 ) so I can't easily test it there. -- Sitsofe | http://sucs.org/~sits/ -- 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
