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72 Commits

Author SHA1 Message Date
thorpej c8b4ac1b17 bcopy -> memcpy 
bzero -> memset
 2001-07-07 17:04:01 +00:00
fvdl d040bd5908 Return error in the case of using ODIOCGDINFO or ODIOCGDEFLABEL when 
the number of partitions is > OLDMAXPARTITIONS. This is better
than silently truncating the label (don't want to silently throw
away partitions when using an old disklabel binary on a label with
> 8 partitions). From Enami Tsugutomo.
 2001-01-08 02:03:45 +00:00
fvdl e2d1c1f926 Adapt all disk devices in MI directories to handle ODIOC* calls 
for ports that have bumped MAXPARTITIONS (and thus define
__HAVE_OLD_DISKLABEL).
 2001-01-07 18:09:01 +00:00
chs aeda8d3b77 Initial integration of the Unified Buffer Cache project. 2000-11-27 08:39:39 +00:00
enami 9466b8d07e Define an auto variable `bn' as off_t instead of int since it is finally 
converted to byte offset.
 2000-09-12 08:03:24 +00:00
pk b369b979ae Remove duplicate `flags' from printf format string. 2000-08-20 11:51:52 +00:00
pk 0c448da29b When breaking up a transfer in vndstrategy(), only inherit B_READ and 
B_ASYNC from the original buffer's flags.
 2000-08-19 10:44:02 +00:00
augustss 169ac5b3c1 Remove register declarations. 2000-03-30 12:41:09 +00:00
thorpej fe551f0e64 Fix a bug in disksort_*() which caused non-optimal ordering when multiple 
active partitions were on a single spindle.  Add a b_rawblkno member to
struct buf which contains the non-partition-relative block number to sort
by.
 2000-02-07 20:16:47 +00:00
thorpej dc59bc1db3 Update for sys/buf.h/disksort_*() changes. 2000-01-21 23:39:55 +00:00
fvdl ba7e45647d Initialize buffer dependencies list for soft updates when initializing 
a new buffer.
 1999-11-17 09:34:03 +00:00
thorpej 81eb5b98aa Add a couple of missing splbio()/splx() pairs that caused pool corruption. 1999-04-21 22:14:15 +00:00
thorpej b6ac7c9b6b Must use PR_NOWAIT when allocating component buffers. 1998-11-12 22:39:57 +00:00
thorpej 6056af462f Use the pool allocator for vndxfer and vndbuf structures. 1998-07-31 02:24:26 +00:00
bouyer 44650d03a6 Better fix for PR 5113, per discussion with fvdl: now that the vnode locking 
interface allow recusive locks, use it instead of the local hack to avoid
recursive locking.
 1998-03-12 16:51:41 +00:00
fvdl ad83e1aac8 Fix vn_lock argument botch. From Manuel Bouyer (PR 5113). 1998-03-04 15:34:41 +00:00
fvdl e5bc90f40c Merge with Lite2 + local changes 1998-03-01 02:20:01 +00:00
thorpej b0b3787d14 Include the NFS option header. 1998-02-19 00:47:02 +00:00
bad e73453eaf8 In vndsetcred(): after establishing credentials, flush all buffers 
associated with the vnode from the buffer cache.  This obviates the
need to flush the buffer cache manually after ``vnconfig -u''.
 1998-01-26 23:30:44 +00:00
enami d6eb3246bf Fix a typo in panic string. 1997-12-31 02:46:51 +00:00
enami e4aca18342 When building fake disklabel, if a partition type is other than FS_UNUSED 
don't override it so that port specific hack takes effect.
 1997-12-31 02:38:24 +00:00
pk 1743d97bd7 Pull over fixes from vm_swap.c: 
- guard against synchronous I/O completion
	- avoid race conditions
	- use bgetvp/brelvp to properly maintain the vnode holdcount
	  and clean/dirty buffer lists.
 1997-12-02 13:54:48 +00:00
fvdl 9e76627586 Do hack around VOP_BMAP call to avoid recursive locks. The locking 
interface doesn't allow currently to specify recursive locks.
Should fix vnd device locking panics.
 1997-10-20 00:11:03 +00:00
mycroft 7bbb69534f Add a missing splx(). From augustss. 1997-10-10 02:05:36 +00:00
jtc d6ae2cd7fd Fix tipo inherited from old version of TNF copyright template. 1997-10-09 08:03:42 +00:00
thorpej 939e074dcc Implement DIOCGDEFLABEL. 1997-10-08 23:05:22 +00:00
thorpej f26fad2f33 Add missing call to vndunlock(), per PR #3811, enami tsugutomo. 1997-08-26 18:12:58 +00:00
fair c27c286843 %x -> 0x%x 1997-08-04 10:00:11 +00:00
kleink d72a3b2da1 Leftover from last commit: require us to be initialized when a DIOCGDINFO 
ioctl(2) is issued; the uninitialized disklabel pointer might get dereferenced
otherwise.
 1997-06-26 16:28:34 +00:00
thorpej 8ad2b19321 In vndioctl(), consolidate checks for "open for writes" and "initialized", 
and cover all of the cases we're supposed to cover.
 1997-06-26 04:16:31 +00:00
thorpej d69ef9b761 Remove an outdated comment that is not true with the Mach VM system. 1997-06-26 04:06:57 +00:00
thorpej 5029dd336b Add full disklabel and partition support to the vnd driver, allowing much 
greater flexibility in its use.  Additionally, add support for "geometry
emulation".  This allows the "geometry" of the "disk" to be specified
at config time, providing near-perfect emulation of disklabel-less floppies,
CD-ROMs, etc., including non-512-byte sectors.  If a geometry is not
specified at config time, a default based on 1M cylinders will be used.
 1997-06-23 21:03:55 +00:00
pk 5521477455 Remove attempt to use files with holes; it's prone to deadlocks. 1997-06-08 15:59:41 +00:00
pk 6c88c4ca23 Avoid race for residual count and pending requests count. 1997-06-08 15:55:34 +00:00
pk f959841d17 Pass correct offset to vn_rdwr(). 1997-05-26 20:28:38 +00:00
pk e571ff8ba8 Add code (#ifdef'ed VND_FILLHOLES for now) to fall back on vn_rdwr() 
if VOP_BMAP() does not produce a translation.

IO_SYNC is used to prevent dirty file cache buffers. On a ffs filesystem,
once a hole is filled, subsequent vnd accesses find will find valid
VOP_BMAP() translations.

Concerns:
	* is the assumed semantics correct for all filesystems?
	* do we actually want the automagic extension on the VND
	  backing store..
 1997-05-25 22:27:16 +00:00
pk 740da4fa88 Use an additional structure to keep information on a set of transfers 
initiated by vnd_strategy(). This allows for more natural error handling
and solves two bugs:
	* vnd can disk_unbusy without disk_busy (PR#2657)
	* b_resid is set correctly on the external at the end
	  of a transfer in case of an error.
 1997-05-25 19:37:36 +00:00
pk 317703b784 Pass correct transfer count to disk_unbusy(). 1997-05-25 16:21:45 +00:00
pk 0dae2eb53d Avoid negative values for `b_dirtyend' and `b_validend'. 1997-05-19 22:08:56 +00:00
pk 7a45e8a551 Fill in b_dirtyoff/b_dirtyend and b_validoff/b_validend appropriately 
in each auxiliary buffer; the strategy routines (esp. NFS's) like that.
 1997-05-19 14:41:54 +00:00
mycroft 8f8b0d91e5 Remove bogus use of splhigh(), and apparently unneeded bzero(). 1997-03-12 22:31:37 +00:00
thorpej e0145dbc88 NFSCLIENT -> NFS 1997-01-31 05:18:51 +00:00
christos 86373f8cf9 backout kprintf changes 1996-10-13 01:37:04 +00:00
christos 5d85fa8122 printf -> kprintf, sprintf -> ksprintf 1996-10-10 22:25:05 +00:00
christos f44e9d22db Avoid problems with ptrdiff_t and size_t being different on different 
architectures, by adding explicit casts to printf arguments. Is there
a better way to do this?
 1996-09-25 02:22:10 +00:00
cgd 1c5ea3c014 print difference between pointers with %ld, so that -Wformat works 
on the Alpha and for consistency.  Also, other minor formatting cleanups.
 1996-07-10 18:15:22 +00:00
christos e1930da21b Remove dependencies to dev_conf.h and the file itself. 1996-03-30 23:05:46 +00:00
christos d2e6849829 fix printf() formats 1996-03-16 23:19:08 +00:00
christos 30c34c327f vnd.c: Typo (disk_deta{t,}ch) It was detach in the header file and 
detatch everywhere else. Reverted to the english spelling.
       Also fixed the rest of the prototype warnings while I was at it.
ic/ncr5380sbc.c: Don't declare Debugger()... I have to clean this
		 everywhere :-(
 1996-02-10 00:11:44 +00:00
thorpej 5b39541e48 New generic disk framework. Highlights: 
- New metrics handling.  Metrics are now kept in the new
	  `struct disk'.  Busy time is now stored as a timeval, and
	  transfer count in bytes.

	- Storage for disklabels is now dynamically allocated, so that
	  the size of the disk structure is not machine-dependent.

	- Several new functions for attaching and detaching disks, and
	  handling metrics calculation.

Old-style instrumentation is still supported in drivers that did it before.
However, old-style instrumentation is being deprecated, and will go away
once the userland utilities are updated for the new framework.

For usage and architectural details, see the forthcoming disk(9) manual
page.
 1996-01-07 22:01:38 +00:00