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#uml IRC Logs for 2009-03-04

---Logopened Wed Mar 04 00:00:30 2009
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13:18<jdike:#uml>Hi guys
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13:33<caker:#uml>hello jdike
13:44<caker:#uml>jdike: ever seen this before? http://apps.sourceforge.net/mediawiki/fuse/index.php?title=FileSystems#Mountlo
13:44<caker:#uml>it essentially turns UML into a FUSE driver
13:44<caker:#uml>which, is really sweet
13:44<jdike:#uml>yup
13:44<jdike:#uml>takes advantage of UML having all the filesystem drivers in it
13:44<caker:#uml>it's stuck in 2.6.15 era .. so attempting to update it
13:46<caker:#uml>I've made some good progress so far (for me, anyhow) .. but stuck here:
13:46<caker:#uml>arch/um/drivers/fuseserv_kern.c: In function 'userbuf_to_iov':
13:46<caker:#uml>arch/um/drivers/fuseserv_kern.c:40: error: dereferencing pointer to incomplete type
13:46<caker:#uml>line 40 is: npages = get_user_pages(current, current->mm, user_addr, npages, write, 0, pages, NULL);
13:47<jdike:#uml>current looks like the only thing being dereferenced
13:47<jdike:#uml>include <asm/current.h>
13:47<caker:#uml>same :/
13:48<jdike:#uml>humm
13:48<jdike:#uml>what's get_user_pages?
13:48<jdike:#uml>a function or macro?
13:48<jdike:#uml>looks like a function to me
13:49<caker:#uml>yeah, it's defined elsewhere, outside of mountlo stuff
13:50<jdike:#uml>can you put each argument on a separate line and see how the error changes?
13:50<caker:#uml>that works? :) I'll try it
13:51<caker:#uml>43: current->mm,
13:53<caker:#uml>http://p.linode.com/2207 <-- file in question
13:55<jdike:#uml>strange
13:56<jdike:#uml>oh
13:56<jdike:#uml>you need linux/sched.h
13:56<jdike:#uml>you're dereferencing a task_struct
13:56<caker:#uml>cool -- compiling
13:57<caker:#uml>also, the writev file_operations stuff has changed to some aio business
13:57<caker:#uml>for now, I've removed the writev entry from the fuseserv_dev_operations file_operations struct. Is that bad? :)
13:58<caker:#uml>i'm hoping it'll fall back (?) to the standard write function
13:58<jdike:#uml>it should
14:11<caker:#uml>poop: http://p.linode.com/2208 ( from file http://p.linode.com/2209 )
14:33<jdike:#uml>where are those symbols
14:33<jdike:#uml>?
14:46<caker:#uml>fuse_opt_add_arg? Stuff included from fuse.h by http://p.linode.com/2209
14:46*caker:#uml checks
15:29<caker:#uml>so, mountlo.c includes fuse.h, which includes fuse_common.h, which includes fuse_opt.h which ... hmm
15:29<caker:#uml>more than one set of those headers on this system...
15:35<caker:#uml>nope .. that wasn't it
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---Logclosed Thu Mar 05 00:00:33 2009