On Wednesday 13 July 2005 00:03, Jeff Dike wrote:
> > Tracing the aio_read() through the UML kernel finally gets me here:
> >
> > #0  sys_pread64 (fd=3, buf=0xbf7c8f20 "", count=1024, pos=0)
> >   at fs/read_write.c:354
> > #1  0x08062ff8 in execute_syscall_skas (r=0x12374864)
> >   at arch/um/kernel/skas/syscall_kern.c:29

> Finally?  That's the very beginning of the system call (or the very end).

> The UML block device doesn't know about AIO.  All it does is get blocks
> from a disk.

> Are you sure you're getting kernel AIO and not the libc emulation of it?
This is a good answer.... strace will be your friend in verifying this.
-- 
Inform me of my mistakes, so I can keep imitating Homer Simpson's "Doh!".
Paolo Giarrusso, aka Blaisorblade (Skype ID "PaoloGiarrusso", ICQ 215621894)
http://www.user-mode-linux.org/~blaisorblade

        

        
                
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