[Announce] ploop 1.5

[Kir Kolyshkin]

OpenVZ project has released a new ploop version.
Read below for more information.


Compatibility notes
===================
* This version requires running vzkernel >= 2.6.32-042stab061.1
* DiskDescriptor.xml created by older ploop versions are converted to 
current format
* There were a few incompatible library API changes, see below


Changes
=======
(since version 1.4)

New functionality:
* switch from old /dev/ploop/ symlink-based to new in-kernel cookie 
registration
* snapshots: switch to schema with constant top delta uuid
* use /proc/vz/ploop_minor based interface to get free minor
* if ploop device is in maintenance state, try to complete it before 
doing snapshot/resize/merge/mount/umount/copy operation
* ploop mount: use in-kernel I/O module autodetection
* ploop balloon discard: new iterative compacting support
* ploop balloon discard: implement --stat
* ploop balloon discard: implement --automount
* ploop balloon discard: cancellation support
* ploop balloon: allow DiskDescriptor.xml argument
* ploop umount: implement -c component_name
* ploop list: implement
* /sbin/mount.ploop: do load ploop modules

Bug fixes:
* do not crash on empty DiskDescriptor.xml (libxml2 workaround)
* ploop convert: fix converting from expanded to raw
* ploop copy: fixed check for opened fd
* ploop copy: do not leak opened fds
* ploop create: fix gpt partition creation to be 4096 aligned
* ploop create, resize: round up size to be cluster aligned
* tools: few exit code fixes
* multiple usage, log and error message fixes

Improvements:
* ploop mount: check that mount point is a directory
* ploop umount: reduce retry count from 60 to 6
* ploop umount: print lsof output in case of failed umount
* ploop create: for prealloc image, use ftruncate if fallocate not supported
* ploop create, resize: add check for correct block device size
* scripts: de-bash-ify
* assorted code refactoring, cleanups and nitpicks

Library API changes:
* add ploop_resolve_functions() to aid in dynamic library loading
* introduce optimized ploop_get_info_by_descr(), remove ploop_get_info()
* replace ploop_{alloc,read}_diskdescriptor() with ploop_read_disk_descr()
* remove ploop_getdevice()

For complete changelog, see http://git.openvz.org/?p=ploop;a=log;h=ploop-1.5


Download
========
http://wiki.openvz.org/Download/ploop/1.5


Bug reporting
=============
Please report all bugs found to
http://bugzilla.openvz.org/enter_bug.cgi?component=ploop


Other sources of info on updates
================================
Seehttp://wiki.openvz.org/News  to view all the news (including updates)
online. There you can also find RSS/Atom feed links.


Regards,
   OpenVZ team.