Module Name:	syssrc
Committed By:	thorpej
Date:		Wed Jan  9 04:12:13 UTC 2002

Modified Files:
	syssrc/sys/dev/scsipi: sd.c sd_scsi.c sdvar.h
	syssrc/sys/sys: dkio.h

Log Message:
Add ioctls to get (DIOCGCACHE) and set (DIOCSCACHE) cache enables
on disks in a generic way.  Implement these ioctls for SCSI disks.

This is not fully fleshed-out yet, but it allows people to experiment
with disk caches more easily.


To generate a diff of this commit:
cvs rdiff -r1.180 -r1.181 syssrc/sys/dev/scsipi/sd.c
cvs rdiff -r1.21 -r1.22 syssrc/sys/dev/scsipi/sd_scsi.c
cvs rdiff -r1.15 -r1.16 syssrc/sys/dev/scsipi/sdvar.h
cvs rdiff -r1.5 -r1.6 syssrc/sys/sys/dkio.h

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.