TAKE - clean up some unused locking code

[Steve Lord <lord@xxxxxxx>]

The previous change to add VOP_STRATEGY meant some old locking code
was no longer needed, this removes the associated logic.


Date:  Fri Jan 19 13:27:41 PST 2001
Workarea:  jen.americas.sgi.com:/src/lord/xfs-linux.2.4

The following file(s) were checked into:
  bonnie.engr.sgi.com:/isms/slinx/2.4.x-xfs


Modid:  2.4.x-xfs:slinx:82600a
linux/fs/xfs/linux/xfs_lrw.c - 1.72
        - remove PBF_BMAP_TRY_ILOCK from xfs_bmap

linux/fs/xfs/linux/xfs_fs_subr.c - 1.26
        - comment out printk

linux/fs/xfs/linux/xfs_iops.c - 1.90
        - rework linvfs_pb_bmap so it does its own inode locking rather than
          passing PBF_BMAP_TRY_ILOCK down into VOP_BMAP.

linux/include/linux/page_buf.h - 1.69
        - remove PBF_BMAP_TRY_ILOCK

linux/fs/pagebuf/page_buf_io.c - 1.42
        - Remove PBF_BMAP_TRY_ILOCK and associated handling, this path is no 
longer
          used.