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* libglusterfs: replace default functions with generated versionsJeff Darcy2015-10-221-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Replacing repetitive code like this with code generated from a more compact "canonical" definition carries several advantages. * Ease the process of adding new fops (e.g. GF_FOP_IPC). * Ease the process of making global changes to existing fops (e.g. adding "xdata"). * Ensure strict consistency between all of the pieces that must be compatible with each other, through both kinds of changes. What we have right now is just a start. The above benefits will only truly be realized when we use the same definitions to generate stubs, syncops, and perhaps even parts of gfapi or glupy. This same infrastructure can also be used to reduce code duplication and potential for error in many of our translators. NSR already uses a similar technique, using a few hundred lines of templates to generate a few *thousand* lines of code. The ability to make a global "aspect" change (e.g. to quorum checking) in one place instead of seventy has already been demonstrated there. Other candidates for code generation include the AFR/EC transaction infrastructure, or stub creation/resumption in io-threads. Change-Id: If7d59de7a088848b557f5aea00741b4fe19017c1 BUG: 1271325 Signed-off-by: Jeff Darcy <jdarcy@redhat.com> Reviewed-on: http://review.gluster.org/9411 Tested-by: Gluster Build System <jenkins@build.gluster.com> Tested-by: NetBSD Build System <jenkins@build.gluster.org> Reviewed-by: Shyamsundar Ranganathan <srangana@redhat.com> Reviewed-by: Vijay Bellur <vbellur@redhat.com>
* cluster/ec : Mark new entry changelog in entry self-healAshish Pandey2015-10-061-0/+6
| | | | | | | | | | | | | | | | | | | | Problem : When a new entry is created dirty mark xattrs are not created this will need full heal to be performed, even when there are partial failures. Solution : Marks new entry changelog in self-heal. PS: Also fixed erasing of dirty markers when no data heal is required. BUG: 1254121 Signed-off-by: Ashish Pandey <aspandey@redhat.com> Change-Id: I156e3d3201afa77efe118e1aaace1d91c90a9613 Reviewed-on: http://review.gluster.org/11938 Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com> Tested-by: NetBSD Build System <jenkins@build.gluster.org>
* build: do not #include "config.h" in each fileNiels de Vos2015-05-291-5/+0
| | | | | | | | | | | | | | | | | | Instead of including config.h in each file, and have the additional config.h included from the compiler commandline (-include option). When a .c file tests for a certain #define, and config.h was not included, incorrect assumtions were made. With this change, it can not happen again. BUG: 1222319 Change-Id: I4f9097b8740b81ecfe8b218d52ca50361f74cb64 Signed-off-by: Niels de Vos <ndevos@redhat.com> Reviewed-on: http://review.gluster.org/10808 Tested-by: Gluster Build System <jenkins@build.gluster.com> Tested-by: NetBSD Build System Reviewed-by: Kaleb KEITHLEY <kkeithle@redhat.com> Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
* cluster/ec: data heal implementation for ecPranith Kumar K2015-05-081-0/+35
| | | | | | | | | | | | | | | | | | | | | | | | | Data self-heal: 1) Take inode lock in domain 'this->name:self-heal' on 0-0 range (full file), So that no other processes try to do self-heal at the same time. 2) Take inode lock in domain 'this->name' on 0-0 range (full file), 3) perform fxattrop+fstat and get the xattrs on all the bricks 3) Choose the brick with ec->fragment number of same version as source 4) Truncate sinks 5) Unlock lock taken in 2) 5) For each block take full file lock, Read from sources write to the sinks, Unlock 6) Take full file lock and see if the file is still sane copy i.e. File didn't become unusable while the bricks are offline. Update mtime to before healing 7) xattrop with -ve values of 'dirty' and difference of highest and its own version values for version xattr 8) unlock lock acquired in 6) 9) unlock lock acquired in 1) Change-Id: I6f4d42cd5423c767262c9d7bb5ca7767adb3e5fd BUG: 1215265 Signed-off-by: Pranith Kumar K <pkarampu@redhat.com> Reviewed-on: http://review.gluster.org/10384 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Vijay Bellur <vbellur@redhat.com>
* libglusterfs: Implement cluster-syncopPranith Kumar K2015-04-251-0/+126
This patch implements syncop equivalent for cluster of xlators. The xlators on which the fop needs to be performed is taken in input arguments to the functions and the responses are gathered and provided as the output. This idea is taken from afr-v2 self-heal implementation by Avati. Change-Id: I2b568f4340cf921a65054b8ab0df7edc4478b5ca BUG: 1213358 Signed-off-by: Pranith Kumar K <pkarampu@redhat.com> Reviewed-on: http://review.gluster.org/10240 Reviewed-by: Krutika Dhananjay <kdhananj@redhat.com> Tested-by: NetBSD Build System Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Vijay Bellur <vbellur@redhat.com>