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Marek Marczykowski-Górecki b65fdf9700
storage: convert lvm driver to async version 
LVM operations can take significant amount of time. This is especially
visible when stopping a VM (`vm.storage.stop()`) - in that time the
whole qubesd freeze for about 2 seconds.

Fix this by making all the ThinVolume methods a coroutines (where
supported). Each public coroutine is also wrapped with locking on
volume._lock to avoid concurrency-related problems.
This all also require changing internal helper functions to
coroutines. There are two functions that still needs to be called from
non-coroutine call sites:
 - init_cache/reset_cache (initial cache fill, ThinPool.setup())
 - qubes_lvm (ThinVolume.export()

So, those two functions need to live in two variants. Extract its common
code to separate functions to reduce code duplications.

Fixes QubesOS/qubes-issues#4283
2018-10-23 16:53:35 +02:00
ci Fix issues found by pylint 2.0 2018-07-15 23:51:15 +02:00
contrib events: add support for async event handlers 2017-07-04 13:04:22 +02:00
doc doc: document features, qvm-features-request and services 2018-10-23 16:53:35 +02:00
etc Replace pool config parsing logic 2016-04-25 07:16:37 +02:00
linux Handle qubes.skip_autostart option on kernel command line 2018-09-16 05:22:30 +02:00
qubes storage: convert lvm driver to async version 2018-10-23 16:53:35 +02:00
qubes-rpc Add qubes.GetDate proxy service 2018-03-03 03:50:58 +01:00
qubes-rpc-policy comments 2018-08-08 09:38:45 +00:00
qubespolicy qubespolicy: ease testing by calling str(target) only once 2018-09-01 19:51:03 +02:00
qvm-tools add missing /sbin/ to hwclock call (so it will work as cronjob) 2018-09-10 17:24:35 +02:00
relaxng Change license to LGPL v2.1+ 2017-10-12 00:11:50 +02:00
rpm_spec tests: migrate qvm-block tests to core3 2018-10-10 00:44:15 +02:00
templates Switch to new PVH config variant 2018-01-24 02:48:00 +01:00
test-packages Fix starting VM with kernel=None 2017-12-14 23:26:52 +01:00
tests tests: migrate qvm-block tests to core3 2018-10-10 00:44:15 +02:00
.coveragerc add config for coverage.py 2015-10-12 16:40:46 +02:00
.gitignore run-tests: Script for running tests in repo 2016-04-20 13:54:56 +02:00
.pylintrc Remove obsolete options from .pylintrc 2016-07-21 12:21:00 +02:00
.travis.yml travis: flag codecov.io uploads with 'unittests' flag 2017-06-02 12:31:07 +02:00
installer.wxs windows/installer: configurable destination directory 2014-11-19 12:50:31 +01:00
LICENSE Change license to LGPL v2.1+ 2017-10-12 00:11:50 +02:00
Makefile tests: delete orphaned Makefile 2018-09-11 23:50:27 +00:00
Makefile.builder rpm: integrate -doc package into main one 2017-05-12 18:43:35 +02:00
README.md Update readme 2017-10-16 04:16:23 +02:00
run-tests tests: rearrage LVM thin tests to run at least some in devel env 2017-05-12 18:10:17 +02:00
setup.cfg Add yapf configuration to setup.cfg 2016-07-21 12:11:34 +02:00
setup.py Update windows-related feature requests 2018-07-16 22:02:58 +02:00
version version 4.0.32 2018-10-14 06:05:04 +02:00

README.md

Qubes core, version 3

Build Status

This is master branch of the Qubes OS core.

API documentation is available: https://dev.qubes-os.org/projects/core-admin/en/latest/.