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<title>src-test2/sys/modules/ctl, branch release/11.4.0</title>
<subtitle>FreeBSD source tree</subtitle>
<id>https://cgit-dev.freebsd.org/src-test2/atom?h=release%2F11.4.0</id>
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<updated>2017-05-30T04:11:12Z</updated>
<entry>
<title>MFC r314651,r318439,r318440:</title>
<updated>2017-05-30T04:11:12Z</updated>
<author>
<name>Enji Cooper</name>
<email>ngie@FreeBSD.org</email>
</author>
<published>2017-05-30T04:11:12Z</published>
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<id>urn:sha1:cad800042f49286971db31b628d86a2be5d134ea</id>
<content type='text'>
r314651:

sys/modules: normalize .CURDIR-relative paths to SRCTOP

This simplifies make output/logic

Tested with:	`cd sys/modules; make ALL_MODULES=` on amd64

r318439:

Normalize .PATH on SRCTOP

This will help Jenkins dedupe 9 warnings between the static build and
the module build of ipsec(4).

Missed in SRCTOP conversion in r314651.

MFC with:	r314651

r318440:

Normalize SYSDIR on SRCTOP instead of .CURDIR

This is being done to simplify pathing for CFLAGS and source files.
</content>
</entry>
<entry>
<title>MFC r314659,r314676:</title>
<updated>2017-05-29T18:17:34Z</updated>
<author>
<name>Enji Cooper</name>
<email>ngie@FreeBSD.org</email>
</author>
<published>2017-05-29T18:17:34Z</published>
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<id>urn:sha1:37c07ba942befd79406c6fb989207695aa52c4f2</id>
<content type='text'>
r314659:

usr.sbin: normalize paths using SRCTOP-relative paths or :H when possible

This simplifies make logic/output

r314676:

Fix build after r314656

Some of the changes I introduced to use .ALLSRC were correct in spirit,
but incorrect in reality -- in particular, ../Makefile.inc hadn't been
pulled in via bsd.init.mk (via bsd.lib.mk, bsd.prog.mk), so the value
of .ALLSRC (evaluated immediately) was empty. .include bsd.init.mk
explicitly so we can be certain that the values used as dependencies in
the targets are defined when the target recipe has been evaluated.

Reminder: thou shalt separate out separate functional changes before
          committing them.

(YUGE) Pointyhat to:	ngie
In collaboration with:	bdrewery
</content>
</entry>
<entry>
<title>Reimplement CTL High Availability.</title>
<updated>2015-09-10T12:40:31Z</updated>
<author>
<name>Alexander Motin</name>
<email>mav@FreeBSD.org</email>
</author>
<published>2015-09-10T12:40:31Z</published>
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<id>urn:sha1:7ac58230ea37d1b0a2095ff19bea8e928fd79bfc</id>
<content type='text'>
CTL HA functionality was originally implemented by Copan many years ago,
but large part of the sources was never published.  This change includes
clean room implementation of the missing code and fixes for many bugs.

This code supports dual-node HA with ALUA in four modes:
 - Active/Unavailable without interlink between nodes;
 - Active/Standby with second node handling only basic LUN discovery and
reservation, synchronizing with the first node through the interlink;
 - Active/Active with both nodes processing commands and accessing the
backing storage, synchronizing with the first node through the interlink;
 - Active/Active with second node working as proxy, transfering all
commands to the first node for execution through the interlink.

Unlike original Copan's implementation, depending on specific hardware,
this code uses simple custom TCP-based protocol for interlink.  It has
no authentication, so it should never be enabled on public interfaces.

The code may still need some polishing, but generally it is functional.

Relnotes:	yes
Sponsored by:	iXsystems, Inc.
</content>
</entry>
<entry>
<title>Move "ioctl" CAM frontend into separate file.</title>
<updated>2015-08-15T15:42:21Z</updated>
<author>
<name>Alexander Motin</name>
<email>mav@FreeBSD.org</email>
</author>
<published>2015-08-15T15:42:21Z</published>
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<id>urn:sha1:67ceb24bcac8942d702398dc1cea26154f9ddd0c</id>
<content type='text'>
It has nothing to share with too huge ctl.c other then device descriptor,
but even that may be counted as design error that may be fixed later.
At some point we may even want to have several ioctl ports.
</content>
</entry>
<entry>
<title>Drop "internal" CTL frontend.</title>
<updated>2015-08-15T13:34:38Z</updated>
<author>
<name>Alexander Motin</name>
<email>mav@FreeBSD.org</email>
</author>
<published>2015-08-15T13:34:38Z</published>
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<id>urn:sha1:2f444d157b9fc470c8a4bf69846b2c5fda30eed4</id>
<content type='text'>
Its idea was to be a simple initiator and execute several commands from
kernel level, but FreeBSD never had consumer for that functionality,
while its implementation polluted many unrelated places..
</content>
</entry>
<entry>
<title>Add kobj interface between ICL and the rest of the iSCSI stack.</title>
<updated>2015-01-31T07:49:50Z</updated>
<author>
<name>Edward Tomasz Napierala</name>
<email>trasz@FreeBSD.org</email>
</author>
<published>2015-01-31T07:49:50Z</published>
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<id>urn:sha1:321b17ec15bd4e76414b0442d3a027e3434855e6</id>
<content type='text'>
Review note - icl.c was moved to icl_soft.c.

MFC after:	1 month
Sponsored by:	The FreeBSD Foundation
</content>
</entry>
<entry>
<title>Add support for VMWare dialect of EXTENDED COPY command, aka VAAI Clone.</title>
<updated>2014-07-16T15:57:17Z</updated>
<author>
<name>Alexander Motin</name>
<email>mav@FreeBSD.org</email>
</author>
<published>2014-07-16T15:57:17Z</published>
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<id>urn:sha1:984a2ea91fbc21063e931d117aed354cfe0c02f5</id>
<content type='text'>
This allows to clone VMs and move them between LUNs inside one storage
host without generating extra network traffic to the initiator and back,
and without being limited by network bandwidth.

LUNs participating in copy operation should have UNIQUE NAA or EUI IDs set.
For LUNs without these IDs VMWare will use traditional copy operations.

Beware: the above LUN IDs explicitly set to values non-unique from the VM
cluster point of view may cause data corruption if wrong LUN is addressed!

MFC after:	2 weeks
Sponsored by:	iXsystems, Inc.
</content>
</entry>
<entry>
<title>Remove ctl_mem_pool.{c,h}.</title>
<updated>2014-03-27T11:10:13Z</updated>
<author>
<name>Edward Tomasz Napierala</name>
<email>trasz@FreeBSD.org</email>
</author>
<published>2014-03-27T11:10:13Z</published>
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<id>urn:sha1:0f26fd2c6149c3b951f2aff1bfdc652e418533d3</id>
<content type='text'>
Sponsored by:	The FreeBSD Foundation
</content>
</entry>
<entry>
<title>- For kernel compiled only with KDTRACE_HOOKS and not any lock debugging</title>
<updated>2013-11-25T07:38:45Z</updated>
<author>
<name>Attilio Rao</name>
<email>attilio@FreeBSD.org</email>
</author>
<published>2013-11-25T07:38:45Z</published>
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<id>urn:sha1:54366c0bd7d0ea904fb9ab32460c66d57684a7cb</id>
<content type='text'>
  option, unbreak the lock tracing release semantic by embedding
  calls to LOCKSTAT_PROFILE_RELEASE_LOCK() direclty in the inlined
  version of the releasing functions for mutex, rwlock and sxlock.
  Failing to do so skips the lockstat_probe_func invokation for
  unlocking.
- As part of the LOCKSTAT support is inlined in mutex operation, for
  kernel compiled without lock debugging options, potentially every
  consumer must be compiled including opt_kdtrace.h.
  Fix this by moving KDTRACE_HOOKS into opt_global.h and remove the
  dependency by opt_kdtrace.h for all files, as now only KDTRACE_FRAMES
  is linked there and it is only used as a compile-time stub [0].

[0] immediately shows some new bug as DTRACE-derived support for debug
in sfxge is broken and it was never really tested.  As it was not
including correctly opt_kdtrace.h before it was never enabled so it
was kept broken for a while.  Fix this by using a protection stub,
leaving sfxge driver authors the responsibility for fixing it
appropriately [1].

Sponsored by:	EMC / Isilon storage division
Discussed with:	rstone
[0] Reported by:	rstone
[1] Discussed with:	philip
</content>
</entry>
<entry>
<title>Bring in the new iSCSI target and initiator.</title>
<updated>2013-09-14T15:29:06Z</updated>
<author>
<name>Edward Tomasz Napierala</name>
<email>trasz@FreeBSD.org</email>
</author>
<published>2013-09-14T15:29:06Z</published>
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<id>urn:sha1:009ea47eb2d21856af4529aaaca32cd67748daea</id>
<content type='text'>
Reviewed by:	ken (parts)
Approved by:	re (delphij)
Sponsored by:	FreeBSD Foundation
</content>
</entry>
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