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History log of /src/sys/dev/raidframe/rf_mcpair.h
RevisionDateAuthorComments
 1.11  23-Jul-2021  oster Extensive mechanical changes to the pools used in RAIDframe.

Alloclist remains not per-RAID, so initialize that pool
separately/differently than the rest.

The remainder of pools in RF_Pools_s are now per-RAID pools. Mostly
mechanical changes to functions to allocate/destroy per-RAID pools.
Needed to make raidPtr available in certain cases to be able to find
the per-RAID pools.

Extend rf_pool_init() to now populate a per-RAID wchan value that is
unique to each pool for a given RAID device.

TODO: Complete the analysis of the minimum number of items that are
required for each pool to allow IO to progress (i.e. so that a request
for pool resources can always be satisfied), and dynamically scale
minimum pool sizes based on RAID configuration.
 1.10  01-May-2011  mrg branches: 1.10.74;
convert mcpair to kmutex.
 1.9  11-Dec-2005  christos branches: 1.9.98; 1.9.104;
merge ktrace-lwp.
 1.8  04-Mar-2004  oster Another variable that was only ever initialized. Turf.
 1.7  04-Oct-2001  oster branches: 1.7.18;
Step 2 of the disentanglement. We now look to <dev/raidframe/*> for
the stuff that used to live in rf_types.h, rf_raidframe.h, rf_layout.h,
rf_netbsd.h, rf_raid.h, rf_decluster,h, and a few other places.
Believe it or not, when this is all done, things will be cleaner.

No functional changes to RAIDframe.
 1.6  21-Sep-2000  oster branches: 1.6.2; 1.6.4; 1.6.6;
convert tsleep()->ltsleep(), which makes the kernel complain less
when compiled with LOCKDEBUG.
 1.5  11-Sep-2000  oster Be consistent: use mcpair->cond instead of mcpair->flag.
This also lets us clean up a bunch of cruft.
 1.4  14-Mar-1999  oster branches: 1.4.8; 1.4.18;
Disallow interrupting parity re-writes or copybacks by removing PCATCH
from the tsleep()'s (they probably shouldn't have been there in the
first place!). Making parity re-writing and copybacks interruptable
will require re-designing how a few things are done (e.g. how memory
is freed for structures shipped off to routines that run asynchronously
relative to the calling routine). Fix a few other tsleep's while we're at it.
 1.3  05-Feb-1999  oster Phase 2 of the RAIDframe cleanup. The source is now closer to KNF
and is much easier to read. No functionality changes.
 1.2  26-Jan-1999  oster RAIDframe cleanup, phase 1. Nuke simulator support, user-land driver,
out-dated comments, and other unneeded stuff. This helps prepare
for cleaning up the rest of the code, and adding new functionality.

No functional changes to the kernel code in this commit.
 1.1  13-Nov-1998  oster RAIDframe, version 1.1, from the Parallel Data Laboratory at
Carnegie Mellon University. Full RAID implementation, including
levels 0, 1, 4, 5, 6, parity logging, and a few other goodies.
Ported to NetBSD by Greg Oster.
 1.4.18.2  17-Oct-2000  tv Pullup 1.6 [oster]:
convert tsleep()->ltsleep(), which makes the kernel complain less
when compiled with LOCKDEBUG.
 1.4.18.1  17-Oct-2000  tv Pullup 1.5 [oster]:
Be consistent: use mcpair->cond instead of mcpair->flag.
This also lets us clean up a bunch of cruft.
 1.4.8.1  20-Nov-2000  bouyer Update thorpej_scsipi to -current as of a month ago
A i386 GENERIC kernel compiles without the siop, ahc and bha drivers
(will be updated later). i386 IDE/ATAPI and ncr work, as well as
sparc/esp_sbus. alpha should work as well (untested yet).
siop, ahc and bha will be updated once I've updated the branch to current
-current, as well as machine-dependant code.
 1.6.6.1  11-Oct-2001  fvdl Catch up with -current. Fix some bogons in the sparc64 kbd/ms
attach code. cd18xx conversion provided by mrg.
 1.6.4.1  10-Jan-2002  thorpej Sync kqueue branch with -current.
 1.6.2.1  22-Oct-2001  nathanw Catch up to -current.
 1.7.18.3  21-Sep-2004  skrll Fix the sync with head I botched.
 1.7.18.2  18-Sep-2004  skrll Sync with HEAD.
 1.7.18.1  03-Aug-2004  skrll Sync with HEAD
 1.9.104.1  06-Jun-2011  jruoho Sync with HEAD.
 1.9.98.1  31-May-2011  rmind sync with head
 1.10.74.1  01-Aug-2021  thorpej Sync with HEAD.

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