TAKE 927929 - Make AIO work again

[Christoph Hellwig <hch@xxxxxxx>]

Date:  Wed Jan 12 14:05:15 PST 2005
Workarea:  maine.americas.sgi.com:/home/daisy40/hch/ptools/xfs-2.6.x
Inspected by:  nathans

The following file(s) were checked into:
  bonnie.engr.sgi.com:/isms/linux/2.6.x-xfs


Modid:  xfs-linux:xfs-kern:185642a
fs/xfs/linux-2.6/xfs_lrw.c - 1.219
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-linux/linux-2.6/xfs_lrw.c.diff?r1=text&tr1=1.219&r2=text&tr2=1.218&f=h
        - only wait for iocb completion for non-AIO requests

fs/xfs/linux-2.6/xfs_file.c - 1.110
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-linux/linux-2.6/xfs_file.c.diff?r1=text&tr1=1.110&r2=text&tr2=1.109&f=h
        - add a flag to VOP_READ/VOP_WRITE to tell whether we are AIO

fs/xfs/linux-2.6/xfs_vnode.h - 1.98
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-linux/linux-2.6/xfs_vnode.h.diff?r1=text&tr1=1.98&r2=text&tr2=1.97&f=h
        - add IO_ISAIO flag