[[!meta copyright="Copyright © 2012 Free Software Foundation, Inc."]] [[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable id="license" text="Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled [[GNU Free Documentation License|/fdl]]."]]"""]] [[!meta title="libnetfs: io_map"]] [[!tag open_issue_hurd]] This hampers [[hurd/translator/nfs]] usability, for example: $ fsysopts ./ /hurd/nfs [...] $ cp -a /bin/true ./ cp: failed to preserve authorship for `./true': Operation not supported $ ./true $ /lib/ld.so /bin/true $ /lib/ld.so $PWD/true [...]/true: error while loading shared libraries: [...]/true: failed to map segment from shared object: Error 1073741869 IRC, freenode, #hurd, 2012-03-14: i just realized that ld.so uses mmap unconditionally so executables or shared libs can't be used off a netfs-based file system that's annoying civodul: Do you know what it takes to fix libnetfs? I have no idea. Never looked at it. tschwinge: implementing io_map but i think the idea is that io_map typically isn't convenient for network file systems which is why it doesn't have it the GCS says "thou shall not require mmap" ;-) . Analysis to be found on [[glibc/mmap]] page.