Libvirt provides a portable, long term stable C API for managing the virtualization technologies provided by many operating systems. It includes support for QEMU, KVM, Xen, LXC, bhyve, Virtuozzo, VMware vCenter and ESX, VMware Desktop, Hyper-V, VirtualBox and the POWER Hypervisor.
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Guido Günther 269d39afe5 storage: only run safezero if allocation is > 0
While a zero allocation in safezero should be fine it isn't when we use
posix_fallocate which returns EINVAL on a zero allocation.

While we could skip the zero allocation in safezero_posix_fallocate it's
an optimization to do it for all allocations.

This fixes vm installation via virtinst for me which otherwise aborts
like:

   Starting install...
   Retrieving file linux...               | 5.9 MB     00:01 ...
   Retrieving file initrd.gz...           |  29 MB     00:07 ...
   ERROR    Couldn't create storage volume 'virtinst-linux.sBgds4': 'cannot fill file '/var/lib/libvirt/boot/virtinst-linux.sBgds4': Invalid argument'

The error was introduced by e30297b0 as spotted by Chunyan Liu
2015-08-24 13:51:44 +02:00
.gnulib@f39477dba7 maint: update to latest gnulib 2015-06-01 13:23:18 -06:00
build-aux bracket-spacing: Add syntax-check for unnecessary curly brackets 2014-11-14 17:13:36 +01:00
daemon daemon: Use $(NULL) for libvird_admin's flags 2015-08-20 10:19:27 +02:00
docs docs: Drop unused rule for internals/%.html.tmp target 2015-08-20 10:19:27 +02:00
examples Introduce new VIR_DOMAIN_EVENT_DEFINED_RENAMED event 2015-08-14 10:50:20 +02:00
gnulib maint: fix date in local gnulib patch 2015-01-05 16:44:10 +00:00
include Introduce new VIR_DOMAIN_EVENT_DEFINED_RENAMED event 2015-08-14 10:50:20 +02:00
m4 virt-driver-vz: Require parallels-7.0.22 at least 2015-07-13 19:46:10 +03:00
po tools: Introduce new client generic module vsh 2015-08-14 15:45:44 +02:00
src storage: only run safezero if allocation is > 0 2015-08-24 13:51:44 +02:00
tests virt-aa-helper: allow access to /usr/share/ovmf/ 2015-08-24 13:00:39 +02:00
tools virsh: Reset global error after successfull domain lookup 2015-08-18 14:54:45 +02:00
.ctags maint: Make ctags work out of the box 2013-07-18 08:47:21 +02:00
.dir-locals.el build: avoid tabs that failed syntax-check 2012-09-06 09:43:46 -06:00
.gitignore Add generated libvirt_admin.syms into .gitignore 2015-08-20 11:17:27 -07:00
.gitmodules make .gnulib a submodule 2009-07-08 16:17:51 +02:00
.mailmap maint: update .mailmap for recent contributions 2015-03-20 06:17:55 -06:00
AUTHORS.in AUTHORS: Add my email address to AUTHORS.in 2015-04-10 18:26:43 +03:00
autobuild.sh Disable libvirtd by default when building on Win32 2014-04-29 11:30:32 +01:00
autogen.sh maint: improve usage of autogen's --no-git 2015-02-06 11:35:29 -07:00
bootstrap maint: update to latest gnulib 2015-03-26 09:41:55 -06:00
bootstrap.conf bootstrap: Don't require python-config 2015-08-06 14:35:14 +02:00
cfg.mk tools: Introduce new client generic module vsh 2015-08-14 15:45:44 +02:00
ChangeLog-old Fix typos in src/* 2014-04-21 16:49:08 -06:00
config-post.h build: fix build of virt-login-shell on systems with older gnutls 2013-10-22 09:41:50 -06:00
configure.ac docs: Drop unused rule for internals/%.html.tmp target 2015-08-20 10:19:27 +02:00
COPYING maint: follow recommended practice for using LGPL 2013-05-20 14:15:21 -06:00
COPYING.LESSER maint: follow recommended practice for using LGPL 2013-05-20 14:15:21 -06:00
HACKING maint: document use of zanata for translations 2015-06-10 15:26:44 -06:00
libvirt-admin.pc.in Add libvirt-admin library 2015-06-16 13:46:20 +02:00
libvirt-lxc.pc.in Add pkg-config files for libvirt-qemu & libvirt-lxc 2014-06-23 16:17:27 +01:00
libvirt-qemu.pc.in Add pkg-config files for libvirt-qemu & libvirt-lxc 2014-06-23 16:17:27 +01:00
libvirt.pc.in Add pkg-config files for libvirt-qemu & libvirt-lxc 2014-06-23 16:17:27 +01:00
libvirt.spec.in Fix a trailing space in spec file 2015-08-03 17:43:34 +08:00
Makefile.am Temporarily disable admin API 2015-06-28 11:34:25 +08:00
Makefile.nonreentrant maint: use LGPL correctly 2013-05-20 14:03:48 -06:00
mingw-libvirt.spec.in parallels: substitute parallels with vz spec file and Makefile 2015-06-17 15:07:55 +03:00
README Correct typos in the documentation (Atsushi SAKAI) 2008-01-24 10:15:13 +00:00
README-hacking docs: update README-hacking 2014-05-06 16:20:24 -06:00
run.in Add PKG_CONFIG_PATH to run.in script. 2014-06-26 14:32:35 +01:00
TODO Update todo list file to point at bugzilla/website 2010-10-13 16:45:26 +01:00

         LibVirt : simple API for virtualization

  Libvirt is a C toolkit to interact with the virtualization capabilities
of recent versions of Linux (and other OSes). It is free software
available under the GNU Lesser General Public License. Virtualization of
the Linux Operating System means the ability to run multiple instances of
Operating Systems concurrently on a single hardware system where the basic
resources are driven by a Linux instance. The library aim at providing
long term stable C API initially for the Xen paravirtualization but
should be able to integrate other virtualization mechanisms if needed.

Daniel Veillard <veillard@redhat.com>