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18 Commits

Author SHA1 Message Date
Poul-Henning Kamp
0355b86e33 Don't track bio allocation in debug output. 
Sponsored by:	DARPA & NAI Labs.
 2002-10-20 08:45:17 +00:00
Poul-Henning Kamp
d0e17c1b91 Add more KASSERTS. 
Sponsored by:	DARPA & NAI Labs.
 2002-10-14 10:02:24 +00:00
Poul-Henning Kamp
3f521b6022 Add support g_clone_bio() and g_std_done() to spawn multiple children 
of a bio and correctly gather status when done.

Sponsored by:	DARPA & NAI Labs.
 2002-10-09 07:11:59 +00:00
Poul-Henning Kamp
068088370c For now, don't wait for drives to stop returning EBUSY. There is too 
much broken harware around it seems.

Sponsored by:	DARPA & NAI Labs.
 2002-10-08 07:03:58 +00:00
Poul-Henning Kamp
430e557d3d Put a printf under #ifdef DIAGNOSTIC. 
Sponsored by: DARPA & NAI Labs.
 2002-10-07 06:57:00 +00:00
Poul-Henning Kamp
72840432e0 Retire g_io_fail() and let g_io_deliver() take an error argument instead. 
Sponsored by:	DARPA & NAI Labs.
 2002-09-30 08:54:46 +00:00
Poul-Henning Kamp
90b1cd5615 Introduce g_write_data() function. 
Sponsored by:	DARPA & NAI Labs
 2002-09-30 08:50:47 +00:00
Poul-Henning Kamp
eadf0ffdce Void functions cannot use return(foo) even if foo is also returning void. 
Sponsored by:	DARPA & NAI Labs.
 2002-09-28 11:43:20 +00:00
Poul-Henning Kamp
d4c4a6f165 Setattr should not retry on EBUSY, we could get EBUSY back because 
a disklabel modification tries to change an open device, and no
counter-examples exists.

Be less facist about when we can do Setattr, the openmodes of devices
are so loosely managed that the "exclusive" count is almost useless.

Sponsored by:   DARPA & NAI Labs.
 2002-09-27 21:12:47 +00:00
Poul-Henning Kamp
a1bd3ee20c Allocate bio's with M_NOWAIT and let the caller deal with the problems. 
Sponsored by:	DARPA & NAI Labs.
 2002-09-27 20:53:47 +00:00
Poul-Henning Kamp
53706245bb Use biowait() rather than DIY. 
Sponsored by:	DARPA & NAI Labs
 2002-09-13 11:39:11 +00:00
Poul-Henning Kamp
4b8374a778 Don't grab Giant around malloc(9) and free(9). 
Don't grab Giant around wakeup(9).
Don't print verbose messages about each device found in geom_dev.
Various cleanups.

Sponsored by: DARPA & NAI Labs.
 2002-05-20 10:03:15 +00:00
Poul-Henning Kamp
0d3f37a804 Constifixation of attribute argument to g_io_[gs]etattr() 
Sponsored by:	DARPA & NAI Labs
 2002-04-09 15:12:05 +00:00
John Baldwin
6008862bc2 Change callers of mtx_init() to pass in an appropriate lock type name. In 
most cases NULL is passed, but in some cases such as network driver locks
(which use the MTX_NETWORK_LOCK macro) and UMA zone locks, a name is used.

Tested on:	i386, alpha, sparc64
 2002-04-04 21:03:38 +00:00
Poul-Henning Kamp
2fccec19e9 Centralize EOF handling and improve access controls for bio scheduling. 
Sponsored by:	DARPA & NAI Labs
 2002-04-04 09:58:20 +00:00
Poul-Henning Kamp
b1876192f0 Eliminate some thread pointers which do not make sense anymore. 
Split private parts of geom.h into geom_int.h.  The latter should
never be included in class implemtations.
 2002-03-26 22:07:38 +00:00
Poul-Henning Kamp
d306122d60 Push BIO_FORMAT into a local hack inside the floppy drivers where 
it belongs.
 2002-03-26 19:16:37 +00:00
Poul-Henning Kamp
dd84a43c1d First commit of the GEOM subsystem to make it easier for people to 
test and play with this.

This is not yet production quality and should be run only on dedicated
test boxes.

For people who want to develop transformations for GEOM there exist a
set of shims to run geom in userland (ask phk@freebsd.org).

Reports of all kinds to: phk@freebsd.org
Please include in report:
        dmesg
        sysctl debug.geomdot
        sysctl debug.geomconf

Known significant limitations:
        no kernel dump facility.
        ioctls severely restricted.

Sponsored by:   DARPA, NAI Labs
 2002-03-11 21:42:35 +00:00