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Minor changes - remove unused functions and unused variables.
Switch dict functions to use sizen() when relevant.
Change-Id: I737ce04a4beaf4df9b1eea25a90100d315627c14
updates: bz#1193929
Signed-off-by: Yaniv Kaul <ykaul@redhat.com>
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This patch contains the following changes:
1) Store ID info will now be stored in the inode ctx
2) Added new readv type where read is made directly
from the remote store. This choice is made by
volume set operation.
3) cs_forget() was missing. Added it.
Change-Id: Ie3232b3d7ffb5313a03f011b0553b19793eedfa2
fixes: bz#1642168
Signed-off-by: Anuradha Talur <atalur@commvault.com>
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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>
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Change-Id: I6f5d8140a06f3c1b2d196849299f8d483028d33b
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This patch brings the configuration option for plugins.
For new plugins, an entry has to be created in to cs_plugin structure e.g.
struct cs_plugin plugins[] = {
{
.name = "amazons3",
.library = "libamazons3.so",
.description = "amazon s3 store."
},
{.name = NULL},
};
Library field describes the name of the shared library for the plugin.
To configure plugin type "feature.cloudsync-storetype" option need
to be set to the remote-store type. e.g.
gluster volume set VOLNAME cloudsync-storetype amazons3. This should be same
as the ".name" field in cs_plugin structure.
cs_init will pick this up in run time to load the plugin.
Change-Id: I2cec10b206f71ac4e71d472631a3a5badf278b59
fixes: bz#1576842
Signed-off-by: Susant Palai <spalai@redhat.com>
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spec-files:
https://review.gluster.org/#/c/18854/
Overview:
* Cloudsync maintains three file states in it's inode-ctx i.e
1 - LOCAL,
2 - REMOTE,
3 - DOWNLOADING.
* A data modifying fop is allowed only if the state is LOCAL.
If the state is REMOTE or DOWNLOADING, client will download
or wait for the download to finish initiated by other client.
* Multiple download and upload from different clients are synchronized
by inodelk.
* In POSIX a state check is done (part of different commit)before
allowing the fop to continue. If the state is remote/downloading the
fop is unwound with EREMOTE. The client will then download the file
and continue with the fop again.
* Basic Algo for fop (let's say write fop):
- If LOCAL -> resume fop
- If REMOTE ->
- INODELK
- STAT (this gets state and heal the state if needed)
- DOWNLOAD
- resume fop
Note:
* Developers will need to write plugins for download, based on the
remote store they choose. In phase-1, support will be added for
one remote store per volume. In future, more options for multiple
remote stores will be explored.
TODOs:
- Implement stat/lookup/readdirp to return size info from xattr
- Make plugins configurable
- Implement unlink fop
- Add metrics collection
- Add sharding support
Design Contributions:
Aravinda V K <avishwan@redhat.com>
Amar Tumballi <amarts@redhat.com>
Ram Ankireddypalle <areddy@commvault.com>
Susant Palai <spalai@redhat.com>
updates: #387
Change-Id: Iddf711ee7ab4e946ae3e472ff62791a7b85e6d4b
Signed-off-by: Susant Palai <spalai@redhat.com>
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