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637 Commits

Author SHA1 Message Date
Poul-Henning Kamp
f075585f67 Remove the G_CLASS_INITIALIZER, we do not need it anymore. 2003-05-31 16:59:27 +00:00
Poul-Henning Kamp
7e28a78f0e Use le_uuid_dec() since GPT UUID's are always in LE format. 
Tested by:      Marcel
 2003-05-31 16:48:43 +00:00
Poul-Henning Kamp
43f0db6cc5 Don't do silly thing if the disk_create() event gets canceled. 
Approved by:	re/scottl
 2003-05-25 16:57:10 +00:00
Poul-Henning Kamp
67fd2837cd Return ENXIO if the softc pointer is NULL, in all likelyhood the 
disk is in the process of disappearing.

Approved by:	re/rwats*
 2003-05-21 18:52:29 +00:00
Poul-Henning Kamp
3eb8c738fd When a disk disappears, destroy the class from the event thread 
to avoid race condtion.

Approved by:	re/rwatson
 2003-05-12 20:15:28 +00:00
Poul-Henning Kamp
4da6e74ce4 When a GEOM (/dev-)device is closed and we find that I/O requests are 
still outstanding, give them a chance to complete.

If after 10 seconds we still find outstanding I/O requests, complete
the close with a console warning that the system is likely to panic
later on.

This is a workaround for umount -f not quite doing the right thing.

Approved by:    re/scottl
 2003-05-09 21:25:28 +00:00
Poul-Henning Kamp
2cc9686e52 Hide the "ENOMEM" notice messages behind bootverbose. They are still 
a valuable debugging tool for certain kinds of problems.

Approved by:	re/scottl
 2003-05-07 05:37:31 +00:00
Poul-Henning Kamp
c9e629297a Fix the WARNING for wrong rawoffset, I tested incompatible units. 
Approved by:	re/jhb
 2003-05-06 19:36:13 +00:00
Poul-Henning Kamp
af3e2db5de Avoid double-free panic. 
Tripped up:	DougB
 2003-05-05 15:52:11 +00:00
Poul-Henning Kamp
c0c393a2aa Re-order the the initialization slightly to improve structure. 2003-05-05 08:58:12 +00:00
Poul-Henning Kamp
0195276f54 Use a dedicated malloc(9) bucket for sector storage. 2003-05-05 08:37:07 +00:00
Poul-Henning Kamp
3fd530f7ec Don't warn if the rawoffset is zero, that is actually the best value it 
could have.
 2003-05-05 08:30:59 +00:00
Poul-Henning Kamp
b9275c8fc6 Turn the check that rawoffset == mbroffset into a warning instead. 2003-05-05 06:46:49 +00:00
Poul-Henning Kamp
b624374de8 Only accept a rawoffset if it is identical to the mbroffset. 2003-05-04 19:26:31 +00:00
Poul-Henning Kamp
7f9e81b703 Add a way to read the current mbroffset from a BSD label class. 2003-05-04 19:25:48 +00:00
Poul-Henning Kamp
1ee055e692 Add gctl_set_param() function. 2003-05-04 19:24:34 +00:00
Poul-Henning Kamp
ce40bcd0d1 Remove debugging printfs which should not have been committed. 2003-05-04 18:48:25 +00:00
Poul-Henning Kamp
a767c3daa3 Add a OAM interface for changing the label and writing the boot code. 2003-05-03 08:01:34 +00:00
Poul-Henning Kamp
951fd0d157 remove unused variables. 
Spotted by:	dougb
 2003-05-03 07:12:15 +00:00
Poul-Henning Kamp
56dde750d5 Make bsd_disklabel_le_enc calculate the checksum and fill it in. 
(If there is a legitimate need to correctly encode and pack a
disklabel with an invalid checksum custom tools can be built for
that.)

Make bsd_disklabel_le_dec() validate the magics, number of partitions
(against a new parameter) and the checksum.

Vastly simplify the logic of the GEOM::BSD class implementation:

Let g_bsd_modify() always take a byte-stream label.

This simplifies all users, except the ioctl's which now have to
convert to a byte-stream first.  Their loss.

g_bsd_modify() is called with topology held now, and it returns
with it held.

Always update the md5sum in g_bsd_modify(), otherwise the check
is no use after the first modification of the label.  Make the
MD5 over the bytestream version of the label.

Move the rawoffset hack to g_bsd_modify() and remove all the
inram/ondisk conversions.

Don't configure hotspots in g_bsd_modify(), do it in taste instead,
we do not support moving the label to a different location on the
fly anyway.

This passes all current regression tests.
 2003-05-02 22:46:13 +00:00
Poul-Henning Kamp
81377a3f17 Pull in bcopy() prototype from <string.h> when compiled in userland. 2003-05-02 19:53:55 +00:00
Poul-Henning Kamp
039b4cba75 Considering that I did cast the arguments to (intmax_t) I must have 
been sleepy since I used %qd instead of %jd.
 2003-05-02 19:08:57 +00:00
Poul-Henning Kamp
3daf7274a1 Style improvement. 2003-05-02 12:57:40 +00:00
Poul-Henning Kamp
3110102a73 Use g_wither_geom() and plug memory leaks. 2003-05-02 12:52:51 +00:00
Poul-Henning Kamp
3e7b7bb1cb Plug memory leaks. 2003-05-02 12:49:41 +00:00
Poul-Henning Kamp
5ffb2c8bfd Use an uma-zone for allocation bio requests. 2003-05-02 12:36:12 +00:00
Poul-Henning Kamp
c9c29450f5 Use g_slice_spoiled() instead of g_std_spoiled(). 
Add XXX comment about minor memory leak until I can fix it.
 2003-05-02 08:33:26 +00:00
Poul-Henning Kamp
7da144d91c Use g_slice_spoiled() instead of g_std_spoiled(). 2003-05-02 08:21:02 +00:00
Poul-Henning Kamp
a0c89548a3 Use g_slice_spoiled(). 
Free buffer from g_read_data().
 2003-05-02 08:13:03 +00:00
Poul-Henning Kamp
c4da4e46b2 Back out all the stuff that didn't belong in the last commit. 2003-05-02 06:42:59 +00:00
Poul-Henning Kamp
e65ab0f83f Use g_slice_spoiled() rather than g_std_spoiled(). 
Remember to free the buffer we got from g_read_data().
 2003-05-02 06:36:14 +00:00
Poul-Henning Kamp
4f806d2428 Use g_slice_spoiled() not g_std_spoiled() 2003-05-02 06:34:51 +00:00
Poul-Henning Kamp
28ce9efcef Use g_slice_spoiled() rather than g_std_spoiled() 2003-05-02 06:33:59 +00:00
Poul-Henning Kamp
afec8eb8ad Use g_slice_spoiled() rather than g_std_spoiled(). 2003-05-02 06:33:26 +00:00
Poul-Henning Kamp
15649213a6 Use a more tailored spoil routine for slices, and take advantage of 
g_wither_geom() to do most of the work for us.
 2003-05-02 06:29:33 +00:00
Poul-Henning Kamp
3ddef7422c Style improvement. 2003-05-02 06:22:48 +00:00
Poul-Henning Kamp
03af3a23dd Use g_wither_geom() for cleanup. 2003-05-02 06:22:32 +00:00
Poul-Henning Kamp
d6227ae71f Rework the "withering" mechanism: 
Introduce g_wither_geom() to do the work in one single place.
 2003-05-02 06:15:27 +00:00
Poul-Henning Kamp
82b53b8dc8 Rename g_slice_init() to the more appropriate g_slice_alloc() and give 
it a g_slice_free() partner function.
 2003-05-02 05:33:27 +00:00
Poul-Henning Kamp
516b02faf7 style improvement. 2003-05-02 05:26:47 +00:00
Poul-Henning Kamp
9dfffbc959 Get rid of trivial function g_destroy_event(). 2003-05-02 05:26:19 +00:00
Poul-Henning Kamp
6a543b1031 Plug some memory-leaks. 2003-05-01 21:07:08 +00:00
Poul-Henning Kamp
606402511a Remove the now obsolete geomidorname hack. 2003-05-01 20:32:24 +00:00
Poul-Henning Kamp
c8589ad169 Add a new flag, EV_CANCELED, and use it to make g_waitfor_event() return 
EAGAIN if an event got canceled.
 2003-05-01 19:43:52 +00:00
Poul-Henning Kamp
2ab31b05ba When events on a reference is cancelled, check our doorstep first, 
it might be an orphan.
 2003-05-01 19:24:00 +00:00
Poul-Henning Kamp
e931331eaa Remove now unneeded special case for "geom.ctl". 2003-05-01 18:18:14 +00:00
Yoshihiro Takahashi
4b4582a84c Remove DIOCGPC98 ioctl. 2003-05-01 14:40:16 +00:00
Yoshihiro Takahashi
50cf98ed97 - Move decoding pc98_partition function into geom_pc98_enc.c. 
- Add encoding pc98_partition function.
 2003-05-01 13:44:24 +00:00
Marcel Moolenaar
b52e9eb6b6 Don't emulate a MBR by handling the MBR::type attribute. It is 
not needed at all. The BSD class will attach to a GPT class without
it.
 2003-05-01 01:51:28 +00:00
Mark Murray
51da11a27a Fix some easy, global, lint warnings. In most cases, this means 
making some local variables static. In a couple of cases, this means
removing an unused variable.
 2003-04-30 12:57:40 +00:00
Poul-Henning Kamp
c7f3baedf3 Fix an obscure fencepost error in GBDE's sector mapping code: 
For certain combinations of sectorsize, mediasize and random numbers
(used to define the mapping), a multisector read or write would ignore
some subset of the sectors past the first sector in the request because
those sectors would be mapped past the end of the parent device, and
normal "end of media" truncation would zap that part of the request.

Rev 1.19+1.20 of g_bde_work.c added the check which should have alerted
me to this happening.  This commit maps the request correctly and
adds KASSERTS to make sure things stay inside the parent device.

This does not change the on-disk layout of GBDE, there is no need to
backup/restore.
 2003-04-29 19:46:42 +00:00
Poul-Henning Kamp
a17da2aa74 Typo in last commit: Do not press xZZ to leave vi(1). 2003-04-29 19:38:55 +00:00
Poul-Henning Kamp
ca8f372bbc When a bio comes back from below with a zero error code, check that 
it wrote the full length.  The only case where this should be able
to happen is if we try to read/write past the end and the request
is truncated.  We obviously should never try to do that, so this
code should never activate.
 2003-04-29 19:37:36 +00:00
Alexander Kabaev
104a9b7e3e Deprecate machine/limits.h in favor of new sys/limits.h. 
Change all in-tree consumers to include <sys/limits.h>

Discussed on:	standards@
Partially submitted by: Craig Rodrigues <rodrigc@attbi.com>
 2003-04-29 13:36:06 +00:00
Poul-Henning Kamp
90336bb4d8 I accidentally leaked this debugging tool in with my last commit. 
Disable it with a direct warning.
 2003-04-28 17:57:12 +00:00
Poul-Henning Kamp
306babd20c Rename g_bde_get_sector() to g_bde_get_keysector() and pick up the 
offset from the work packet.
 2003-04-28 06:38:31 +00:00
Poul-Henning Kamp
11ca41a9bb Only attempt total cache-purge once in case of failure. 2003-04-28 06:19:41 +00:00
Poul-Henning Kamp
035694b29a Better criteria for skipping disk reading BIO_READ work packets. 2003-04-28 06:15:39 +00:00
Poul-Henning Kamp
d8e7c92c9e Explicitly set the sector state to JUNK if we encounter a read-error. 2003-04-28 06:10:35 +00:00
Poul-Henning Kamp
c08c56e02a Bail as soon as the first write request has failed, there is no point 
in trying the second write if the first one went nowhere.
 2003-04-26 21:40:26 +00:00
Poul-Henning Kamp
54d2011343 Appearantly UFS no longer issues BIO_DELETE requests correctly, and 
consequently trashes data.  Disable BIO_DELETE handling in gbde for now.
 2003-04-26 21:39:33 +00:00
Poul-Henning Kamp
9b99e39d61 Do an explicit retry after we have dumped the cache, rather than a 
(potential) tail recursion.
 2003-04-25 21:43:11 +00:00
Poul-Henning Kamp
e8e0742ef4 If on a BIO_READ request, we failed to allocate the bio for reading 
our key-sector, we would end up returning the read without an error,
despite the fact that the data was not correctly decrypted.

This would result in data corruption on read, but intact data still
on the media.
 2003-04-25 21:28:28 +00:00
Poul-Henning Kamp
37f5e4a6c2 Fix a problem and slightly improve the ENOMEM handling: 
Give up the entire bio as soon as we detect a problem.

When we detect a problem, give up the bio by contributing the
remainder with ENOMEM, rather than kicking the bio back right
away.

If we failed on a non-first iteration we previously could end up
modifying fields in the bio after we delivered it.  This could
account for memory corruption (none directly reported) on machines
with GBDE.
 2003-04-25 21:20:57 +00:00
Poul-Henning Kamp
af6b9f17f9 Don't count a sector in the cache unless we manage to create it. 2003-04-25 20:56:27 +00:00
Poul-Henning Kamp
f2314b445d Rename g_bde_release_sector() to g_bde_release_keysector() and pick up 
the sector from the work item.
 2003-04-25 20:35:34 +00:00
Poul-Henning Kamp
195d573278 Rename g_bde_read_sector() to g_bde_read_keysector() pick up the offset 
in the work structure.
 2003-04-25 20:16:59 +00:00
Poul-Henning Kamp
0a9c130c06 Introduce a g_waitfor_event() function which posts an event and waits for 
it to be run (or cancelled) and use this instead of home-rolled versions.
 2003-04-23 21:28:27 +00:00
Poul-Henning Kamp
a974614b05 More of the event stuff can now be private to geom_event.c 2003-04-23 20:54:42 +00:00
Poul-Henning Kamp
8cd1535a24 Rename g_call_me() to g_post_event(), and give it a flag 
argument to determine if we can M_WAITOK in malloc.
 2003-04-23 20:46:12 +00:00
Poul-Henning Kamp
d98777f8db Remove the now unused hardcoded g_post_event() event support. 2003-04-23 20:25:33 +00:00
Poul-Henning Kamp
9ab3ea7841 Turn EV_NEW_PROVIDER into a g_call_me() event. 2003-04-23 20:16:13 +00:00
Poul-Henning Kamp
f2e9a09494 Convert EV_SPOILED event to use g_call_me(). 2003-04-23 20:06:38 +00:00
Poul-Henning Kamp
9972896c00 Turn the hardwired NEW_CLASS event into a g_call_me() event. 2003-04-23 19:34:38 +00:00
Poul-Henning Kamp
b5cba4167f Move the shutdown eventhandler stuff to a more logical place. 2003-04-23 19:15:27 +00:00
Poul-Henning Kamp
bf9ab27afb Implement CONFIG_GEOM verbs "write label" and "write bootcode". 2003-04-23 08:23:01 +00:00
Poul-Henning Kamp
ca3d750e73 Introduce gctl_get_paraml() which gets a parameter only if it has the 
right length.
 2003-04-23 08:03:47 +00:00
Poul-Henning Kamp
fb9483af54 Make gctl_error() take printfline varargs. 2003-04-23 07:50:01 +00:00
Poul-Henning Kamp
668ae29c71 Remove unused event pointers in object structures. 
Remove KASSERTS which checked that they were unused.
 2003-04-23 06:54:44 +00:00
Poul-Henning Kamp
b874183561 Change the locking so that the _modify function is called with topology 
held.

The only place where we want to not hold topology is when we read
(or write) the label to disk: in the case of a disk error with a
long recovery time, holding topology would prevent open/close of
any disk device.
 2003-04-22 21:29:58 +00:00
Poul-Henning Kamp
b09d72daf8 We don't need to have a slice->start() function. 2003-04-22 21:24:37 +00:00
Poul-Henning Kamp
d3a1a13766 Do not mandate that slicers have a private ->start(), they may not need 
one.  KASSERT() that they have one if G_SLICE_HOT_START is used.
 2003-04-22 21:19:17 +00:00
Poul-Henning Kamp
ea9ab6bed2 Implement handling of CONFIG_GEOM OAM request. 2003-04-22 21:01:46 +00:00
Poul-Henning Kamp
2c30da600e Add "CONFIG_GEOM" operation to the OAM API. 2003-04-22 21:00:49 +00:00
Poul-Henning Kamp
70b4ddbb09 Collapse meta arguments into regular arguments, the distinction is 
more trouble than it is worth.
 2003-04-22 19:42:05 +00:00
Poul-Henning Kamp
989afda211 Implement a hotspot for the sunlabel. 
This means that you can no longer trash your opened partitions by writing to
the sunlabel through another partition.  This is similar to the semantics
implemented for BSD labels.
 2003-04-21 20:14:36 +00:00
Poul-Henning Kamp
666223979c Update GEOM::SUN to use the decoding functions in geom_sunlabel_enc.c 
and #defines from sys/sun_disklabel.h.
 2003-04-21 19:54:11 +00:00
Poul-Henning Kamp
9bd6be665d Use #defines from <sys/sun_disklabel.h> instead of private ones. 2003-04-21 19:42:36 +00:00
Poul-Henning Kamp
941a2f8cb5 Functions to encode and decode Sun Microsystems disk partitioning data 
structures.

Mostly by:	jake
 2003-04-21 18:41:12 +00:00
Poul-Henning Kamp
7220a9e779 Make more of the "hotspot" stuff generic: 
Give the class a way to specify the necessary action for read/delete/write:
ALLOW, DENY, START or CALL.

Update geom_bsd to use this.
 2003-04-19 10:14:39 +00:00
Poul-Henning Kamp
183a45f65e Create a dedicated structure for holding hotspot information rather than 
using slice structures for it.
 2003-04-19 10:00:22 +00:00
Poul-Henning Kamp
c72e7314c2 These two files fell off during my previous commit: put the encoding 
decoding functions for struct disklabel in a separate .c file.
 2003-04-17 08:41:08 +00:00
Poul-Henning Kamp
7715475960 More correct patch: Only call biofinish if we have not already sent 
any children down the mesh.
 2003-04-14 08:49:54 +00:00
Poul-Henning Kamp
2f912fc976 Call biofinish() also when we get a malloc() failure. 2003-04-14 08:08:17 +00:00
Poul-Henning Kamp
3924ad705e Time has run from the "run GEOM in userland" harness, and the new regression 
test is built to test GEOM as running in the kernel.

This commit is basically "unifdef -D_KERNEL" to remove the mainly #include
related code to support the userland-harness.
 2003-04-13 09:02:06 +00:00
Poul-Henning Kamp
537d9274dc If we hit access ahead of a spoil event, we should have negative 
delta access-counts and proceed.
 2003-04-12 17:04:34 +00:00
Poul-Henning Kamp
2b454c0ae5 Fix a bug which resulted in orphanization getting confused every now 
and then.
 2003-04-12 16:36:19 +00:00
Poul-Henning Kamp
5f5a9022b2 Retire the experimental bio_taskqueue(), it was not quite as usable as 
hoped.  It can be revived from here, should other drivers be able to
use it.
 2003-04-12 09:13:01 +00:00
Poul-Henning Kamp
0d3e96e39c Retire the "frontstuff" record keeping, it was no match for the 
in-band meta-data of BSD labels and a more complex solution will be needed.
 2003-04-12 08:41:26 +00:00
Poul-Henning Kamp
6e03422af0 Move the functions for encoding decoding struct dos_partition into 
a separate .c file so they can be used from userland as well.
 2003-04-12 08:34:40 +00:00
Poul-Henning Kamp
cf83284fe3 Only be verbose if (bootverbose) 2003-04-09 13:52:40 +00:00
Poul-Henning Kamp
551e52efb8 With the magic sequence checks removed this class is downright dangerous 
to have in your kernel since it indiscriminately attaches to anything
it is offered with a range of bogus partitions.

Stop this from happening by rejecting any label with negative numbers in
it.
 2003-04-09 13:08:36 +00:00
Poul-Henning Kamp
13ac082b26 Correctly split cyl/sects bytes when we print them. 2003-04-09 09:21:33 +00:00
Poul-Henning Kamp
2692cc08db Style issue: use do {...} while(0); for multi-exit section. 2003-04-09 08:56:26 +00:00
Poul-Henning Kamp
63f253709f Retire the DIOCGMBR ioctl before anybody starts to use it. 2003-04-03 19:37:40 +00:00
Poul-Henning Kamp
4eba52a2d2 Remove all references to BIO_SETATTR. We will not be using it. 2003-04-03 19:19:36 +00:00
Poul-Henning Kamp
ab0ff32ea1 Update the initializer for GEOM_MBREXT, I overlooked it previously. 2003-04-03 19:05:03 +00:00
Poul-Henning Kamp
4c763c77dc Add #define for DOSPTYP_PMBR, and use it. 2003-04-03 18:55:16 +00:00
Poul-Henning Kamp
76c4109ebb #include <sys/endian.h> as needed. 2003-04-03 11:56:10 +00:00
Poul-Henning Kamp
4d3651f456 Remove geom_enc.c, a superset of these functions are now available in 
<sys/endian.h>
 2003-04-03 11:40:06 +00:00
Poul-Henning Kamp
d8cb8a5137 Use <sys/endian.h> instead of geom_enc.c for endianess-agnostification. 2003-04-03 11:36:53 +00:00
Poul-Henning Kamp
82db45a5af Use sys/endian.h instead of geom_enc.c for endian-agnostfication. 2003-04-03 11:33:51 +00:00
Poul-Henning Kamp
68f156409e Make sure we don't ignore error codes. 2003-04-03 11:19:24 +00:00
Poul-Henning Kamp
316aed030e Add handling for cancelled events in the g_call_me() methods. 2003-04-02 21:10:04 +00:00
Poul-Henning Kamp
afcbcfaed0 Change events to have an array of "void *" references, and give the 
event posting functions varargs to fill these.

Attribute g_call_me() to appropriate g_geom's where necessary.

Add a flag argument to g_call_me() methods which will be used to signal
cancellation of events in the future.

This commit should be a no-op.
 2003-04-02 20:41:18 +00:00
Poul-Henning Kamp
8f6da0e4ac Only orphan things if the open/close actually succeeded. 2003-04-02 13:10:40 +00:00
Poul-Henning Kamp
c7e1925c7c Properly handle races between open/close and orphan. 
KASSERT the race between close and strategy, it is an error in the upper
echelons if this happens,

Add XXX: comment explaining why the ioctl/orphan race is not closed.
 2003-04-02 13:09:50 +00:00
Poul-Henning Kamp
4752f7570a Include <geom/geom_disk.h> not <sys/disk.h> 2003-04-01 18:57:14 +00:00
Poul-Henning Kamp
891619a66d Use bioq_flush() to drain a bio queue with a specific error code. 
Retain the mistake of not updating the devstat API for now.

Spell bioq_disksort() consistently with the remaining bioq_*().

#include <geom/geom_disk.h> where this is more appropriate.
 2003-04-01 15:06:26 +00:00
Poul-Henning Kamp
7c79beb3ce Start to split the GEOM/diskdriver specific bits into geom/geom_disk.h 2003-04-01 13:19:14 +00:00
Poul-Henning Kamp
4a1e273c48 Remove the old config interface, the new OAM is sufficiently functional 
now.
 2003-04-01 07:33:56 +00:00
Poul-Henning Kamp
dfb99a70d8 Remove the old config interface now that the new OAM is functional. 2003-04-01 07:33:17 +00:00
Poul-Henning Kamp
afa2a5aab7 Remove some debugging in the new OAM[*] and add a debug flag for other 
parts of it.

[*] I've been asked what "OAM" means:  It's an acronym used in the
telecom industry, "Operations And Maintenance", and there it covers
anything from a single unlabeled led on the frontpanel the the full
nightmare of CMIP for SS7.
 2003-03-31 18:35:37 +00:00
Poul-Henning Kamp
376ceb799f Fix a bug in the ENOMEM pacing code which probably made it panic systems 
after a lot of ENOMEM errors.
 2003-03-29 22:34:37 +00:00
Poul-Henning Kamp
29c331bfaa Add create_geom and destroy_geom methods. 2003-03-29 22:14:21 +00:00
Poul-Henning Kamp
63728c47e8 Run a revision on the OAM api. 
Use prefix gctl_ systematically.
Add flag with access perms for each argument.
Add ro/rw versions of argument building functions.
General cleanup.
 2003-03-27 14:35:00 +00:00
Poul-Henning Kamp
5e52756d9d Check return value of g_call_me() 2003-03-27 14:32:52 +00:00
Poul-Henning Kamp
897af91bac g_class_by_name() was unused too. 2003-03-25 09:11:17 +00:00
Poul-Henning Kamp
77b63fb4b1 Remove unuse g_insert_geom(). 2003-03-25 09:07:35 +00:00
Poul-Henning Kamp
0b94902f81 Forward compatibility: NULL check the passed in meta argument. 2003-03-25 09:02:41 +00:00
Poul-Henning Kamp
c138fec0b5 Premptively change initializations of struct g_class to use C99 
sparse struct initializations before we extend the struct with
new OAM related member functions.
 2003-03-24 19:30:15 +00:00
Poul-Henning Kamp
d49d7ca591 Turn /dev/geom.ctl from a GEOM class into a plain character device driver 
instead, it will never see a disk-I/O transaction, so this is a lot simpler.
 2003-03-24 13:37:15 +00:00
Poul-Henning Kamp
fbf79df3b8 Save a lock: Grab the stall_events SX lock exclusively so it also serialize 
OAM reqests.
 2003-03-24 13:35:06 +00:00
Poul-Henning Kamp
dddc28bfe0 Introduce g_cancel_events() and use it a couple of places where it makes 
sense.
 2003-03-23 23:01:40 +00:00
Poul-Henning Kamp
d943f1b0b9 Introduce an SX lock which allows us to stall event processing 
during OAM operations.
 2003-03-23 21:58:09 +00:00
Poul-Henning Kamp
757ed3b591 I forgot the evil ioctl census scripts: #include <geom/geom_ctl.h> 2003-03-23 11:05:44 +00:00
Poul-Henning Kamp
3117e54484 Marshalling stuff for OAM API. 2003-03-23 10:16:14 +00:00
Poul-Henning Kamp
679c4aa68c A note about which #include files may be used where. 2003-03-23 10:08:13 +00:00
Poul-Henning Kamp
62d03b91ec Start leaking the AOM api into the tree. 2003-03-23 10:07:44 +00:00
Poul-Henning Kamp
7da1ebfd74 Mitigate deadlock situation pending a more complete solution. 2003-03-21 22:05:33 +00:00
Poul-Henning Kamp
e24cbd9017 Retire the GEOM private statistics code and use devstat instead. 2003-03-18 09:42:33 +00:00
Poul-Henning Kamp
b4b138c27f Including <sys/stdint.h> is (almost?) universally only to be able to use 
%j in printfs, so put a newsted include in <sys/systm.h> where the printf
prototype lives and save everybody else the trouble.
 2003-03-18 08:45:25 +00:00
Poul-Henning Kamp
20d2026b4e #ifdef notyet a bit of code which needs not yet committed refcounting to 
work correctly.
 2003-03-16 16:29:04 +00:00
Poul-Henning Kamp
81876757ec Use devstat_{start,end}_transaction_bio(). 
Remember to set bio_resid correctly first.
 2003-03-15 10:49:26 +00:00
Poul-Henning Kamp
e582990901 If we run out of consumers while orphaning them, and the provider's geom 
is withering, destroy the provider when done.

This was exposed by the recent change to geom_dev's orphaning logic.
 2003-03-10 23:41:41 +00:00
Poul-Henning Kamp
e60dce6b42 Fix yet another fallout of our M_* song and dance. 2003-03-10 23:34:12 +00:00
Poul-Henning Kamp
564632b081 Remove unneeded #include of geom_stats.h 2003-03-09 10:04:21 +00:00
Poul-Henning Kamp
f48b881942 Stamp out Danglish. 2003-03-09 10:02:31 +00:00
Poul-Henning Kamp
0e6be4723b Don't use statistics counters to detect outstanding I/O. 2003-03-09 10:01:16 +00:00
Poul-Henning Kamp
c6ae9b5fd2 Don't abuse the statistics counters for detecting if we have outstanding 
I/O requests, instead use the new dedicated fields in the consumer and
provider to track this.
 2003-03-09 09:59:48 +00:00