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freebsd/sys/dev/twe
Poul-Henning Kamp 7812d86f03 (This commit touches about 15 disk device drivers in a very consistent
and predictable way, and I apologize if I have gotten it wrong anywhere,
getting prior review on a patch like this is not feasible, considering
the number of people involved and hardware availability etc.)

If struct disklabel is the messenger: kill the messenger.

Inside struct disk we had a struct disklabel which disk drivers used to
communicate certain metrics to the disklayer above (GEOM or the disk
mini-layer).  This commit changes this communication to use four
explicit fields instead.

Amongst the benefits is that the fields do not get overwritten by
wrong or bogus on-disk disklabels.

Once that is clear, <sys/disk.h> which is included in the drivers
no longer need to pull <sys/disklabel.h> and <sys/diskslice.h> in,
the few places that needs them, have gotten explicit #includes for
them.

The disklabel inside struct disk is now only for internal use in
the disk mini-layer, so instead of embedding it, we malloc it as
we need it.

This concludes (modulus any mistakes) the series of disklabel related
commits.

I belive it all amounts to a NOP for all the rest of you :-)

Sponsored by:   DARPA & NAI Labs.
2002-09-20 19:36:05 +00:00
..
twe_compat.h Minor updates: 2001-05-07 21:46:44 +00:00
twe_freebsd.c (This commit touches about 15 disk device drivers in a very consistent 2002-09-20 19:36:05 +00:00
twe_tables.h Update for the 6.9 firmware family (6xxx controllers), as well as for 2002-03-07 09:55:41 +00:00
twe.c Replace (ab)uses of "NULL" where "0" is really meant. 2002-08-22 21:24:01 +00:00
tweio.h
twereg.h Update for the 6.9 firmware family (6xxx controllers), as well as for 2002-03-07 09:55:41 +00:00
twevar.h Update for the 6.9 firmware family (6xxx controllers), as well as for 2002-03-07 09:55:41 +00:00