TAKE - cleanup

[Nathan Scott <nathans@snort.melbourne.sgi.com>]

Cleanup after initially investigating unwritten extents.


Date:  Sun Dec  1 17:18:39 PST 2002
Workarea:  snort.melbourne.sgi.com:/home/nathans/2.4.x-xfs

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


Modid:  2.4.x-xfs:slinx:134059a
linux/fs/xfs/xfs_buf.h - 1.99
	- Make the XFS_BUF_ISUNINITIAL macro correct, and no longer refering to
	  pagebuf flags which no longer exist.

linux/fs/xfs/xfs_buf_item.c - 1.134
	- Uncomment an assert which now makes sense with other fixes.

linux/fs/xfs/xfs_bmap_btree.h - 1.55
	- Make the ISUNWRITTEN macro a bit more useful.

linux/fs/xfs/xfs_bmap.c - 1.297
	- Set bmv_oflags flag BMV_OF_PREALLOC when the extent is unwritten (was
	  IRIX mod irix6.5m:irix:120255a originally, not yet merged?).  Cleanup
	  code formatting a bit here, it was all over the show.

linux/fs/xfs/linux/xfs_lrw.c - 1.176
	- Fix several incorrect comments.

linux/fs/xfs/linux/xfs_ioctl.c - 1.85
	- Make several routines static, make declarations consistent.

linux/fs/xfs/pagebuf/Makefile - 1.17
linux/fs/xfs/pagebuf/page_buf.c - 1.81
	- Rationalise tracking debugging, tidy tracing debugging.

linux/fs/xfs/linux/xfs_aops.c - 1.14
	- Remove an incorrect assert relating to mapping unwritten extents.
	  Fix several typos in comments, make comments & code fit in 80 columns.

linux/fs/xfs/linux/xfs_iomap.c - 1.2
	- Fix several incorrect comments, make declarations consistent.