glusterfs.git/xlators/experimental/fdl, branch v3.9dev

fdl: fix "used before set" warnings in librecon

2016-04-02T02:02:45+00:00

Newer compilers were complaining about this in generated code, because
cleanup code fragments were being added in the wrong order.

Change-Id: I90ff6eccfa78dc012da6d8fd83443490a3cb276d
Signed-off-by: Jeff Darcy 
Reviewed-on: http://review.gluster.org/13891
NetBSD-regression: NetBSD Build System 
Smoke: Gluster Build System 
CentOS-regression: Gluster Build System

fdl: fix make clean

2016-04-01T21:19:44+00:00

add fdl/src/librecon.c to CLEANFILES

Change-Id: I91332ddda5b4157483389c32b74d90a6a4e1322a
BUG: 1322323
Signed-off-by: Prasanna Kumar Kalever 
Reviewed-on: http://review.gluster.org/13850
Tested-by: Prasanna Kumar Kalever 
NetBSD-regression: NetBSD Build System 
CentOS-regression: Gluster Build System 
Reviewed-by: Jeff Darcy 
Smoke: Gluster Build System

fdl: fix race during initialization

2016-03-10T20:39:30+00:00

There was a race between fdl_worker starting to run and setting
this->private in fdl_init.  This should never happen on a
multiprocessor, since the new thread should start on a different core
and creating it there should take many times longer than getting from
pthread_create to the end of fdl_init on the original core.  The only
way it seems likely is if the new thread is started on the same core
that's already in fdl_init, and the new thread preempts the old, which
many would consider broken . . . but there are plenty of broken thread
implementations and it's hardly surprising that glibc has one.  Still,
it's a race and it did show up in regression tests a few times, so it
needs to be fixed.

Change-Id: Ifa5b0ae1ec111860f0d3f55a98aa2b8f2cef84ca
Signed-off-by: Jeff Darcy 
Reviewed-on: http://review.gluster.org/13674
Smoke: Gluster Build System 
NetBSD-regression: NetBSD Build System 
CentOS-regression: Gluster Build System 
Reviewed-by: Vijay Bellur

experimental: add fdl (Full Data Logging) translator

2016-02-13T13:13:07+00:00

NSR needs logging that is different than our existing changelog in
several ways:

 * Full data, not just metadata

 * Pre-op, not post-op

 * High performance

 * Supports the concept of time-bounded "terms"

Others (for example EC) might need the same thing.  This patch adds such
a translator.  It also adds code to dump the resulting journals, and to replay
them using syncops, plus (very rudimentary) tests for all of the above.

Change-Id: I29680a1b4e0a9e7d5a8497fef302c46434b86636
Signed-off-by: Jeff Darcy 
Reviewed-on: http://review.gluster.org/12450
Smoke: Gluster Build System 
CentOS-regression: Gluster Build System 
NetBSD-regression: NetBSD Build System