[[!meta copyright="Copyright © 2011, 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]]."]]"""]] [[!tag open_issue_gnumach open_issue_hurd]] [[!toc]] # IRC, freenode, #hurd, 2012-07-08 <braunr> youpi: there is still quite a lot of I/O even for cached objects <braunr> youpi: i strongly suspect these are for the metadata <braunr> i.e. we don't have a "buffer cache", only a file cache <braunr> (gnu is really not unix lol) <youpi> doesn't ext2fs cache these? <youpi> (as long as the corresponding object is cached <youpi> ) <braunr> i didn't look too much, but if it does, it does a bad job <braunr> i would guess it does, but possibly only writethrough <youpi> iirc it does writeback <youpi> there's a sorta "node needs written" flag somewhere iirc <braunr> but that's for the files, not the metadata <youpi> I mean the metadata of the node <braunr> then i have no idea what happens