On 2020/3/16 17:24, Miklos Szeredi wrote: > On Tue, Mar 10, 2020 at 11:03 AM piaojun <piaojun@xxxxxxxxxx> wrote: >> >> Hi Miklos, >> >> From my test, a fuse write req can only contain 128KB which seems >> limited by FUSE_DEFAULT_MAX_PAGES_PER_REQ in kernel. I wonder if I >> could enlarge this macro to get more bandwidth, or some other adaption >> should be done? >> >> Up to now, many userspace filesystem is designed for big data which >> needs big bandwidth, such as 2MB or more. So could we add a feature to >> let the user config the max pages per request? Looking forward for your > > Currently maximum 1MB per write request is possible by setting > FUSE_MAX_PAGES flag and max_pages=256 in INIT reply. Thanks for your reply. I got the point. Jun