glusterfs.git/xlators/features/compress/src/cdc.c, branch v7.3 xlator: make 'xlator_api' mandatory 2018-12-13T09:11:50+00:00 Amar Tumballi amarts@redhat.com 2018-12-06T10:54:52+00:00 af7e957b4954bd84b8f7df6bfbd59c939092ead2 * Remove the options to load old symbol. * keep only 'xlator_api' symbol from being exported using xlator.sym * add xlator_api to all the xlators where its missing NOTE: This covers all the xlators which has at least a test case to validate its loading. If there is a translator, which doesn't have any test, then we should probably remove that from codebase. fixes: #164 Change-Id: Ibcdc8c9844cda6b4463d907a15813745d14c1ebb Signed-off-by: Amar Tumballi <amarts@redhat.com> 
* Remove the options to load old symbol.
* keep only 'xlator_api' symbol from being exported using xlator.sym
* add xlator_api to all the xlators where its missing

NOTE: This covers all the xlators which has at least a test case
to validate its loading. If there is a translator, which doesn't
have any test, then we should probably remove that from codebase.

fixes: #164
Change-Id: Ibcdc8c9844cda6b4463d907a15813745d14c1ebb
Signed-off-by: Amar Tumballi <amarts@redhat.com>
libglusterfs: Move devel headers under glusterfs directory 2018-12-05T21:47:04+00:00 ShyamsundarR srangana@redhat.com 2018-11-29T19:08:06+00:00 20ef211cfa5b5fcc437484a879fdc5d4c66bbaf5 libglusterfs devel package headers are referenced in code using include semantics for a program, this while it works can be better especially when dealing with out of tree xlator builds or in general out of tree devel package usage. Towards this, the following changes are done, - moved all devel headers under a glusterfs directory - Included these headers using system header notation <> in all code outside of libglusterfs - Included these headers using own program notation "" within libglusterfs This change although big, is just moving around the headers and making it correct when including these headers from other sources. This helps us correctly include libglusterfs includes without namespace conflicts. Change-Id: Id2a98854e671a7ee5d73be44da5ba1a74252423b Updates: bz#1193929 Signed-off-by: ShyamsundarR <srangana@redhat.com> 
libglusterfs devel package headers are referenced in code using
include semantics for a program, this while it works can be better
especially when dealing with out of tree xlator builds or in
general out of tree devel package usage.

Towards this, the following changes are done,
- moved all devel headers under a glusterfs directory
- Included these headers using system header notation <> in all
code outside of libglusterfs
- Included these headers using own program notation "" within
libglusterfs

This change although big, is just moving around the headers and
making it correct when including these headers from other sources.

This helps us correctly include libglusterfs includes without
namespace conflicts.

Change-Id: Id2a98854e671a7ee5d73be44da5ba1a74252423b
Updates: bz#1193929
Signed-off-by: ShyamsundarR <srangana@redhat.com>
features/compress: NULL pointer dereferencing clang fix 2018-10-05T00:09:54+00:00 Harpreet Lalwani hlalwani@redhat.com 2018-09-24T09:23:18+00:00 3be7116d39ff767a24e5206de584a3c5f3afe8ef Added a Label "err" to avoid NULL pointer dereferencing Updates: bz#1622665 Change-Id: I7ec02a9cbbc482c2cf77f66e5692e86cd251cd53 Signed-off-by: Harpreet Lalwani <hlalwani@redhat.com> 
Added a Label "err" to avoid NULL pointer dereferencing

Updates: bz#1622665

Change-Id: I7ec02a9cbbc482c2cf77f66e5692e86cd251cd53
Signed-off-by: Harpreet Lalwani <hlalwani@redhat.com>
Land part 2 of clang-format changes 2018-09-12T12:22:45+00:00 Gluster Ant bugzilla-bot@gluster.org 2018-09-12T12:22:45+00:00 e16868dede6455cab644805af6fe1ac312775e13 Change-Id: Ia84cc24c8924e6d22d02ac15f611c10e26db99b4 Signed-off-by: Nigel Babu <nigelb@redhat.com> 
Change-Id: Ia84cc24c8924e6d22d02ac15f611c10e26db99b4
Signed-off-by: Nigel Babu <nigelb@redhat.com>
build: do not #include "config.h" in each file 2015-05-29T12:43:17+00:00 Niels de Vos ndevos@redhat.com 2015-05-18T14:26:02+00:00 8a9328e37b8c63d60583184dc8dab12f85810682 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> 
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>
features/compress: Add mem accounting support for compress 2014-03-24T18:08:27+00:00 Pranith Kumar K pkarampu@redhat.com 2014-03-23T02:31:15+00:00 00802b3a484499267af2e4474d75d3f75887ad07 Change-Id: I89a7a4cd64ef65ad3bab180d66797a62b4e1e195 BUG: 923540 Signed-off-by: Pranith Kumar K <pkarampu@redhat.com> Reviewed-on: http://review.gluster.org/7320 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Prashanth Pai <ppai@redhat.com> Reviewed-by: Vijay Bellur <vbellur@redhat.com> 
Change-Id: I89a7a4cd64ef65ad3bab180d66797a62b4e1e195
BUG: 923540
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/7320
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Prashanth Pai <ppai@redhat.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
feature/compress: Validate option and enable doc 2014-02-26T17:18:35+00:00 Prashanth Pai ppai@redhat.com 2014-02-17T15:12:42+00:00 f69e85511645fcbd0526e38ca88dd3e5bf0ed917 * Validate network.compression option * Enable descriptions of xlator configurable options * Improve indentation in code * Make network.compression.mode not configurable by user. This is similar to "iam-self-heal-daemon" option in AFR xlator. Fixes BUGs: 1065658, 1065640, 1065655 Change-Id: I99d82b574ee0e5c8c2baf5f5d52dbf8d015d330a BUG: 1065640 Signed-off-by: Prashanth Pai <ppai@redhat.com> Reviewed-on: http://review.gluster.org/7024 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Vijay Bellur <vbellur@redhat.com> 
* Validate network.compression option
* Enable descriptions of xlator configurable options
* Improve indentation in code
* Make network.compression.mode not configurable by user.
  This is similar to "iam-self-heal-daemon" option in AFR xlator.

Fixes BUGs: 1065658, 1065640, 1065655

Change-Id: I99d82b574ee0e5c8c2baf5f5d52dbf8d015d330a
BUG: 1065640
Signed-off-by: Prashanth Pai <ppai@redhat.com>
Reviewed-on: http://review.gluster.org/7024
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
features/compress: Compression/DeCompression translator 2013-11-12T03:35:01+00:00 Prashanth Pai ppai@redhat.com 2012-03-26T09:03:41+00:00 b18257183d137c7ea8a76b4d57812fe26d9ea850 * When a writev call occurs, the client compresses the data before sending it to server. On the server, compressed data is decompressed. Similarly, when a readv call occurs, the server compresses the data before sending it to client. On the client, the compressed data is decompressed. Thus the amount of data sent over the wire is minimized. * Compression/Decompression is done using Zlib library. * During normal operation, this is the format of data sent over wire : <compressed-data> + trailer(8) The trailer contains the CRC32 checksum and length of original uncompressed data. This is used for validation. HOW TO USE ---------- Turning on compression xlator: gluster volume set <vol_name> compress on Configurable options: gluster volume set <vol_name> compress.compression-level 8 gluster volume set <vol_name> compress.min-size 50 Change-Id: Ib7a66b6f1f70fe002b7c513588cdf75c69370805 BUG: 923540 Original-author : Venky Shankar <vshankar@redhat.com> Signed-off-by: Venky Shankar <vshankar@redhat.com> Signed-off-by: Prashanth Pai <nullpai@gmail.com> Signed-off-by: Prashanth Pai <ppai@redhat.com> Reviewed-on: http://review.gluster.org/3251 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Vijay Bellur <vbellur@redhat.com> 
* When a writev call occurs, the client compresses the data before
  sending it to server. On the server, compressed data is decompressed.
  Similarly, when a readv call occurs, the server compresses the data
  before sending it to client. On the client, the compressed data is
  decompressed. Thus the amount of data sent over the wire is minimized.

* Compression/Decompression is done using Zlib library.

* During normal operation, this is the format of data sent over wire :
  <compressed-data> + trailer(8)
  The trailer contains the CRC32 checksum and length of original
  uncompressed data. This is used for validation.

HOW TO USE
----------
Turning on compression xlator:
gluster volume set <vol_name> compress on

Configurable options:
gluster volume set <vol_name> compress.compression-level 8
gluster volume set <vol_name> compress.min-size 50

Change-Id: Ib7a66b6f1f70fe002b7c513588cdf75c69370805
BUG: 923540
Original-author : Venky Shankar <vshankar@redhat.com>
Signed-off-by: Venky Shankar <vshankar@redhat.com>
Signed-off-by: Prashanth Pai <nullpai@gmail.com>
Signed-off-by: Prashanth Pai <ppai@redhat.com>
Reviewed-on: http://review.gluster.org/3251
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>