RE: [Xen-devel] iSCSI root

[James Harper <JamesH@xxxxxxxxxxxxxxxx>]

i cut'n'pasted them out of unistd.h in 2.6.7. appears to compile fine now. thanks

 

James

---

From: Keir Fraser
Sent: Sun 29/08/2004 11:04 AM
To: James Harper
Cc: brianw@xxxxxxxxxxxx; xen-devel@xxxxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-devel] iSCSI root

That's a rather odd thing to do, as it's not like there's a generic
EXPORT_SYMBOL'ed way to e.g. open a file. I can't imagine why they'd
have removed all wrappers except execve.

Easiest workaround is just to roll your own wrappers around the
syscalls using the _syscall* macros. 

 -- Keir


> Speaking of compiling, iscsi-init doesn't seem to compile for me under 2.6.8.1. It tells me this:
> 
> make -C /lib/modules/2.6.8.1-xenU/build SUBDIRS=/usr/src/iscsi-init-4.0.1 modules
> make[1]: Entering directory `/usr/src/xeno-unstable.bk/linux-2.6.8.1-xenU'
>   Building modules, stage 2.
>   MODPOST
> *** Warning: "close" [/usr/src/iscsi-init-4.0.1/iscsi_init.ko] undefined!
> *** Warning: "read" [/usr/src/iscsi-init-4.0.1/iscsi_init.ko] undefined!
> *** Warning: "open" [/usr/src/iscsi-init-4.0.1/iscsi_init.ko] undefined!
> make[1]: Leaving directory `/usr/src/xeno-unstable.bk/linux-2.6.8.1-xenU'
> 
> and then of course close, read, and open are missing symbols.
> 
> it looks like the definitions from <asm/unistd.h> have been taken away between 2.6.7 and 2.6.8. Any idea's what should replace them? What should kernel code use for opening, reading, and closing files?