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* Remove BAD144 support, it has already been disabled for some time.Poul-Henning Kamp1999-12-081-160/+0
| | | | Notes: svn path=/head/; revision=54294
* $Id$ -> $FreeBSD$Peter Wemm1999-08-281-1/+1
| | | | Notes: svn path=/head/; revision=50477
* Spring cleaning around strategy and disklabels/slices:Poul-Henning Kamp1999-08-141-4/+3
| | | | | | | | | | | | | | | | | Introduce BUF_STRATEGY(struct buf *, int flag) macro, and use it throughout. please see comment in sys/conf.h about the flag argument. Remove strategy argument from all the diskslice/label/bad144 implementations, it should be found from the dev_t. Remove bogus and unused strategy1 routines. Remove open/close arguments from dssize(). Pick them up from dev_t. Remove unused and unfinished setgeom support from diskslice/label/bad144 code. Notes: svn path=/head/; revision=49771
* Convert buffer locking from using the B_BUSY and B_WANTED flags to usingKirk McKusick1999-06-261-2/+2
| | | | | | | | | | lockmgr locks. This commit should be functionally equivalent to the old semantics. That is, all buffer locking is done with LK_EXCLUSIVE requests. Changes to take advantage of LK_SHARED and LK_RECURSIVE will be done in future commits. Notes: svn path=/head/; revision=48225
* Divorce "dev_t" from the "major|minor" bitmap, which is now calledPoul-Henning Kamp1999-05-111-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | udev_t in the kernel but still called dev_t in userland. Provide functions to manipulate both types: major() umajor() minor() uminor() makedev() umakedev() dev2udev() udev2dev() For now they're functions, they will become in-line functions after one of the next two steps in this process. Return major/minor/makedev to macro-hood for userland. Register a name in cdevsw[] for the "filedescriptor" driver. In the kernel the udev_t appears in places where we have the major/minor number combination, (ie: a potential device: we may not have the driver nor the device), like in inodes, vattr, cdevsw registration and so on, whereas the dev_t appears where we carry around a reference to a actual device. In the future the cdevsw and the aliased-from vnode will be hung directly from the dev_t, along with up to two softc pointers for the device driver and a few houskeeping bits. This will essentially replace the current "alias" check code (same buck, bigger bang). A little stunt has been provided to try to catch places where the wrong type is being used (dev_t vs udev_t), if you see something not working, #undef DEVT_FASCIST in kern/kern_conf.c and see if it makes a difference. If it does, please try to track it down (many hands make light work) or at least try to reproduce it as simply as possible, and describe how to do that. Without DEVT_FASCIST I belive this patch is a no-op. Stylistic/posixoid comments about the userland view of the <sys/*.h> files welcome now, from userland they now contain the end result. Next planned step: make all dev_t's refer to the same devsw[] which means convert BLK's to CHR's at the perimeter of the vnodes and other places where they enter the game (bootdev, mknod, sysctl). Notes: svn path=/head/; revision=47028
* In all such uses of struct buf: 's/b_un.b_addr/b_data/g'Poul-Henning Kamp1997-12-021-2/+2
| | | | Notes: svn path=/head/; revision=31493
* Fix the buffer flag frobbing. Note: It is invalid to gratuitiously modifyJohn Dyson1997-11-241-2/+3
| | | | | | | | | b_flags, and this patch removes unneeded modifications. Only the needed b_flags bits are modified now. (Specifically, it is usually wrong to zero b_flags.) Submitted by: bde@freebsd.org Notes: svn path=/head/; revision=31378
* Back out part 1 of the MCFH that changed $Id$ to $FreeBSD$. We are notPeter Wemm1997-02-221-1/+1
| | | | | | | ready for it yet. Notes: svn path=/head/; revision=22975
* Make the long-awaited change from $Id$ to $FreeBSD$Jordan K. Hubbard1997-01-141-1/+1
| | | | | | | | | | | This will make a number of things easier in the future, as well as (finally!) avoiding the Id-smashing problem which has plagued developers for so long. Boy, I'm glad we're not using sup anymore. This update would have been insane otherwise. Notes: svn path=/head/; revision=21673
* Don't include <sys/conf.h> for the kernel in disk-related headers.Bruce Evans1996-09-201-1/+2
| | | | | | | | | | | | | It is needed for implementation details but very little of it is needed for the interface. Include it in the few places that didn't already include it. Include <sys/ioccom.h> in <sys/disklabel.h> (as already in <sys/diskslice.h>) so that all the disk-related headers are almost self-sufficient. Notes: svn path=/head/; revision=18429
* Fixed Id.Bruce Evans1996-09-141-1/+1
| | | | Notes: svn path=/head/; revision=18282
* Fix a bug that b_flags was getting unnecessarily modified byJohn Dyson1996-03-011-1/+1
| | | | | | | | the slice code. The effect up to now has been insignficant, but improved buffer allocation code will break with this problem. Notes: svn path=/head/; revision=14312
* subr_diskslice.c implements everything related to slices and labels exceptBruce Evans1994-12-121-0/+158
reading and writing the slice tables and labels. subr_dkbad.c implements everything related to bad sector remapping using the bad144 format. Notes: svn path=/head/; revision=5059
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