[libvirt] [PATCHv4 00/29] (for 1.2.7) qemu: Refactor handling of disk image metadata

[Peter Krempa]

This is meant for the 1.2.7 release as we are currently in freeze for 1.2.6.

This version incorporates feedback from Eric's review and adds a ton of new stuff.

Peter Krempa (29):
  storage: Implement virStorageFileCreate for local and gluster files
  qemu: Don't propagate whole disk definition into qemuDomainGetImageIds
  qemu: Add helper to initialize storage file backend with correct
    uid/gid
  storage: file: Tolerate NULL src when uninitializing the backend
  conf: Don't output seclabels for backingStore elements
  storage: Move readonly and shared flags to disk source from disk def
  util: storagefile: Add deep copy for struct virStorageSource
  util: storage: Add helper to determine whether storage is local
  util: storage: Add function to transfer config parts to new chain
    element
  util: storage: Copy parent's disk metadata to backing chain elements
  util: cgroup: Add helper to convert device mode to string
  qemu: cgroup: Add functions to set cgroup image stuff on individual
    imgs
  qemu: cgroup: Setup only the top level disk image for read-write
    access
  locking: Add APIs to lock individual image files
  security: Introduce APIs to label single images
  security: selinux: Implement per-image seclabel restore
  security: selinux: Implement per-image seclabel set
  security: DAC: Implement per-image seclabel restore
  security: DAC: Implement per-image seclabel set
  security: AppArmor: Implement per-image seclabel restore
  security: AppArmor: Implement per-image seclabel set
  util: storage: Make virStorageFileChainLookup more network storage
    aware
  util: storage: Return complete parent info from
    virStorageFileChainLookup
  qemu: blockcopy: Use the mirror disk source to label the files
  qemu: block: Properly track disk source while pivotting to new image
  qemu: snapshot: Improve approach to deal with snapshot metadata
  qemu: Refactor qemuDomainPrepareDiskChainElement
  qemu: snapshot: Refactor image labelling of new snapshot files
  qemu: snapshot: Use storage driver to pre-create snapshot file

 src/conf/domain_conf.c                |  77 +++++---
 src/conf/domain_conf.h                |   2 -
 src/libvirt_private.syms              |   8 +
 src/libxl/libxl_conf.c                |   2 +-
 src/locking/domain_lock.c             |  65 ++++---
 src/locking/domain_lock.h             |   8 +
 src/lxc/lxc_cgroup.c                  |   2 +-
 src/lxc/lxc_controller.c              |   2 +-
 src/lxc/lxc_driver.c                  |   2 +-
 src/qemu/qemu_cgroup.c                | 109 ++++++-----
 src/qemu/qemu_cgroup.h                |   3 +
 src/qemu/qemu_command.c               |  14 +-
 src/qemu/qemu_conf.c                  |   4 +-
 src/qemu/qemu_domain.c                |  29 ++-
 src/qemu/qemu_domain.h                |   4 +
 src/qemu/qemu_driver.c                | 349 +++++++++++-----------------------
 src/qemu/qemu_migration.c             |  16 +-
 src/security/security_apparmor.c      |  55 ++++--
 src/security/security_dac.c           | 111 +++++------
 src/security/security_driver.h        |  10 +
 src/security/security_manager.c       |  56 ++++++
 src/security/security_manager.h       |   7 +
 src/security/security_nop.c           |  19 ++
 src/security/security_selinux.c       | 150 +++++++++------
 src/security/security_stack.c         |  38 ++++
 src/security/virt-aa-helper.c         |   2 +-
 src/storage/storage_backend_fs.c      |  17 ++
 src/storage/storage_backend_gluster.c |  28 +++
 src/storage/storage_driver.c          |   2 +-
 src/util/vircgroup.c                  |  62 ++++--
 src/util/vircgroup.h                  |   2 +
 src/util/virstoragefile.c             | 300 ++++++++++++++++++++++++++---
 src/util/virstoragefile.h             |  15 +-
 src/vbox/vbox_tmpl.c                  |  30 +--
 src/xenxs/xen_sxpr.c                  |  10 +-
 src/xenxs/xen_xm.c                    |  10 +-
 tests/virstoragetest.c                |  86 ++++-----
 37 files changed, 1097 insertions(+), 609 deletions(-)

-- 
1.9.3