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622 commits

Author SHA1 Message Date
Poul-Henning Kamp 0ed4f6a180 Allow a GEOM class to unload if it has no geoms or a method function to 
get rid of them.

Prodded by:	pjd
 2004-02-02 19:49:41 +00:00
Pawel Jakub Dawidek cff2ddaeb2 - Use proper names in KASSERTs. 
- Typos.

Approved by:	phk, scottl (mentor)
 2004-02-02 17:50:09 +00:00
Poul-Henning Kamp abc2e0fd56 Check error return from g_clone_bio(). (netchild@) 
Rearrange code to avoid duplication (phk@)

Submitted by:	netchild@
 2004-02-02 13:36:06 +00:00
Poul-Henning Kamp 793ffa8e55 Don't mingle malloc/g_event flags. 
Spotted by:	pjd@
 2004-02-02 10:58:07 +00:00
Poul-Henning Kamp 5fcf4e4398 Bring back the geom_bioqueues, they _are_ a good idea. 
ATA will uses these RSN.
 2004-01-28 08:39:18 +00:00
Poul-Henning Kamp 57ab2e0468 Make sure to keep track of canceled events. 
Submitted by:	Pawel Jakub Dawidek <nick@garage.freebsd.pl>
 2004-01-23 21:09:38 +00:00
Poul-Henning Kamp 799426f877 Add KASSERTS. 
Submitted by:	Pawel Jakub Dawidek <nick@garage.freebsd.pl>
 2004-01-23 21:02:49 +00:00
Poul-Henning Kamp f5b3481451 Plug an insignificant memoryleak. 
Submitted by:	Pawel Jakub Dawidek <nick@garage.freebsd.pl>
 2004-01-23 20:40:25 +00:00
Poul-Henning Kamp 752e0f0196 Add missing newline in printf. 
Submitted by:	Pawel Jakub Dawidek <nick@garage.freebsd.pl>
 2004-01-23 20:36:21 +00:00
Poul-Henning Kamp bbf53bc053 Remove the MD5_KEY debugging tool 2004-01-23 11:47:06 +00:00
Poul-Henning Kamp 8cae62eee9 Remove no longer necessary debug printfs 2004-01-23 10:56:16 +00:00
Poul-Henning Kamp cbb650409c Print the correct pointer in a KASSERT. 
Submitted by:	Pawel Jakub Dawidek <nick@garage.freebsd.pl>
 2004-01-11 10:02:42 +00:00
Poul-Henning Kamp cfa35456ca KASSERT against no-op access requests. 
Submitted by:	Pawel Jakub Dawidek <nick@garage.freebsd.pl>
 2004-01-09 16:10:32 +00:00
Poul-Henning Kamp 8592d7a760 Prevent withering of the provider we're orphaning from happening until 
we do it ourselves.

Nailed by:	Simon Heath <heath@cng.fr>
 2003-12-23 11:37:05 +00:00
Don Lewis 2cf0d8a6ef Correct usage of mtx_init() API. This is not a functional change since 
the code happened to work because MTX_DEF and NULL are both defined as 0.

Reviewed by:	phk
 2003-12-07 23:20:53 +00:00
Poul-Henning Kamp d0265773dc KASSERT against multiple orphanings of providers. 2003-12-07 10:04:43 +00:00
Scott Long 774114995e Re-arrange and consolidate some random debugging stuff 2003-12-07 05:04:49 +00:00
Poul-Henning Kamp 0ecc7670a9 Call class->init() an class->fini() while the class is hooked up, 
rather than right before and right after.  This allows these routines
to manipulate the mesh.

KASSERT that nobody creates a geom on an alien class.

Assert topology in g_valid_obj().

Approved by:	re@
 2003-11-18 18:17:39 +00:00
Poul-Henning Kamp e0d617c1f7 Fix a harmless bug and add a ')' in a debugging printf. 
Submitted by: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net>
 2003-11-18 07:54:12 +00:00
Poul-Henning Kamp b3ecca4d0a This is a crude bandaid for 5.2 to protect against providers which disappear 
while being tasted.  I can moderately easy trigger this with atapi-cd, but
I do not fully understand the circumstances.
 2003-11-15 18:44:43 +00:00
Poul-Henning Kamp c12ec49eda Make sure to return errors if we have any. 
Submitted by:    Pawel Jakub Dawidek <nick@garage.freebsd.pl>
 2003-11-12 09:46:54 +00:00
Poul-Henning Kamp 7b3c545769 Close the right consumers if we run into trouble opening them all. 
Submitted by:	Pawel Jakub Dawidek <nick@garage.freebsd.pl>
 2003-10-24 18:47:31 +00:00
Poul-Henning Kamp 87ac8d11c2 Fix two old/new consumer confusions. 
Submitted by:    Pawel Jakub Dawidek <nick@garage.freebsd.pl>
 2003-10-24 18:46:23 +00:00
Poul-Henning Kamp d55b513f6e Fix a braino memory leak. 
Found by:	Pawel Jakub Dawidek <nick@garage.freebsd.pl>
 2003-10-22 20:28:46 +00:00
Poul-Henning Kamp 43bff1a7ab Forgotten commit: If a provider has zero sectorsize, it is an 
indication of lack of media.

Tripped up:	peter
 2003-10-22 06:32:20 +00:00
Poul-Henning Kamp d1b8bf476c Remove KASSERT check for negative bio_offsets, add "normal" EIO 
error return for same.
 2003-10-19 19:06:54 +00:00
Poul-Henning Kamp 3916828f7b Retire bio_blkno entirely. 
bio_offset is the field drivers should use.
bio_pblkno remains as a convenient place to store the number of
the device drivers.
 2003-10-18 17:53:34 +00:00
Poul-Henning Kamp e83d1f3b9c Assume that bp->bio_offset is correctly initialized. 
This fixes non-power-of-2 blocksize GEOM I/O.
 2003-10-12 11:35:55 +00:00
Poul-Henning Kamp b144e6ffeb Destroy providers maked with G_PF_WITHER when the last consumer has detached. 2003-10-12 11:34:35 +00:00
Poul-Henning Kamp f4db0cbe58 Interior decoration changes. 2003-10-07 09:28:07 +00:00
Poul-Henning Kamp f7eeab176c Allow our bio tools to be used for local bio-chopping by not mandating 
a bio_from value.  bio_to is still mandated (mostly for debuggign) and
shall be copied from the parent bio.
 2003-10-06 09:07:35 +00:00
Poul-Henning Kamp 90916ef730 Introduce a per provider wither flag 2003-10-06 09:05:44 +00:00
Poul-Henning Kamp 5774cead7a Return ENODEV in case the driver has no dump routine. 2003-09-29 07:44:23 +00:00
Poul-Henning Kamp 70cd771337 The present defaults for the open and close for device drivers which 
provide no methods does not make any sense, and is not used by any
driver.

It is a pretty hard to come up with even a theoretical concept of
a device driver which would always fail open and close with ENODEV.

Change the defaults to be nullopen() and nullclose() which simply
does nothing.

Remove explicit initializations to these from the drivers which
already used them.
 2003-09-27 12:01:01 +00:00
Poul-Henning Kamp 3eb6ffdf43 Add more KASSERTS(). 2003-09-26 20:52:46 +00:00
Poul-Henning Kamp eb98005f8d Be more careful in dumpconf: softc may be NULL for departing devices. 
Allow drivers to initialize the d_devstat if they want magic params.
 2003-09-23 07:53:59 +00:00
Poul-Henning Kamp e060b6bd03 Reorder a couple of KASSERTS to give more sensible messages. 
Found by:	GEOM 101 class of '03
 2003-09-11 00:49:02 +00:00
Poul-Henning Kamp d5ce9dac89 Correct bzero length so we clear the entire key structure. 2003-09-08 18:35:26 +00:00
Poul-Henning Kamp a8c1568e29 Bzero the right number of bytes. 
Found by:	Juergen Buchmueller <pullmoll@stop1984.com>
 2003-09-06 18:37:17 +00:00
Poul-Henning Kamp f03bec944d Make sure to return ENOIOCTL if the ioctl is not handled. 2003-09-04 21:23:46 +00:00
Poul-Henning Kamp 497c334767 Simplify the ioctl handling in GEOM. 
This replaces the current ioctl processing with a direct call path
from geom_dev() where the ioctl arrives (from SPECFS) to any directly
connected GEOM class.

The inverse of the above is no longer supported.  This is the
situation were you have one or more intervening GEOM classes, for
instance a BSDlabel on top of a MBR or PC98.  If you want to issue
MBR or PC98 specific ioctls, you will need to issue them on a MBR
or PC98 providers.

This paves the way for inviting CD's, FD's and other special cases
inside GEOM.
 2003-09-01 20:45:32 +00:00
Poul-Henning Kamp ce1ee7895e Try to close the race between disk_destroy() and a subsequent disk_create(). 2003-09-01 12:03:13 +00:00
Poul-Henning Kamp bff1e2999d Add the new g_dev_getprovider() function, the swap_pager needs it now. 
Spotted by:	mr
 2003-08-30 18:33:55 +00:00
Paul Saab e65b213768 Change the the size fields to daddr_t to support greater than 2TB ccd volumes. 
Reviewed by:	phk
 2003-08-22 11:21:06 +00:00
Poul-Henning Kamp f63679713e Make CCD unloadable. 2003-08-22 11:04:47 +00:00
Poul-Henning Kamp 1f75de94ea Don't panic over the fact that unloading failed if we already knew that. 2003-08-22 11:00:54 +00:00
Poul-Henning Kamp e30b2eda02 Block all GETATTR calls hitting the CCD, we wouldn't know which child 
device should handle them.

This prevents for instance GEOM::ioctl requests from reaching a
lower BSDlabel node, which ps@ found would confuse newfs(8).
 2003-08-22 10:28:19 +00:00
Poul-Henning Kamp 92b5e86ebf Check for null softc pointers, these happens when a ccd is withering. 
Found by:	 David Schultz <dschultz@OCF.Berkeley.EDU>
 2003-08-22 10:22:46 +00:00
Poul-Henning Kamp 4ba5a129c5 Replace a panic with a .1Hz retry loop. 
Not a perfect solution, but far cheaper than one.
 2003-08-13 12:35:25 +00:00
Poul-Henning Kamp f0ffd81bc2 In case we encounter a zero sectorsize provider in g_io_check(), fail 
the request with a printf rather than a divide by zero error.
 2003-08-13 06:42:56 +00:00