ping
On 04/25/2018 09:51 PM, Eric Blake wrote:
> Even though v5 was posted earlier today, it was worth a respin:
> - 2/6: add R-b [Berto]
> - 4/6, 6/6: improve commit messages [Max]
> - 5/6: new patch, with an iotests proving that 4/6 is a bug fix [Max]
>
> The new test is rather slow (nearly 90 seconds for me using
> tmpfs) unless it skips entirely (such as testing on ext4); ideas
> for speeding it up are welcome (translation: maybe qemu should
> optimize the search for the next available cluster to allocate,
> and/or qemu-img check should be faster at reporting leaked
> clusters)
>
> 001/6:[----] [--] 'qcow2: Prefer byte-based calls into bs->file'
> 002/6:[----] [--] 'qcow2: Document some maximum size constraints'
> 003/6:[----] [--] 'qcow2: Reduce REFT_OFFSET_MASK'
> 004/6:[----] [--] 'qcow2: Don't allow overflow during cluster allocation'
> 005/6:[down] 'iotests: Add new test 214 for max compressed cluster offset'
> 006/6:[----] [--] 'qcow2: Avoid memory over-allocation on compressed images'
>
> Eric Blake (6):
> qcow2: Prefer byte-based calls into bs->file
> qcow2: Document some maximum size constraints
> qcow2: Reduce REFT_OFFSET_MASK
> qcow2: Don't allow overflow during cluster allocation
> iotests: Add new test 214 for max compressed cluster offset
> qcow2: Avoid memory over-allocation on compressed images
>
> docs/interop/qcow2.txt | 40 +++++++++++++++++--
> block/qcow2.h | 8 +++-
> block/qcow2-cluster.c | 32 +++++++++------
> block/qcow2-refcount.c | 27 ++++++++-----
> block/qcow2.c | 2 +-
> tests/qemu-iotests/214 | 97 ++++++++++++++++++++++++++++++++++++++++++++++
> tests/qemu-iotests/214.out | 54 ++++++++++++++++++++++++++
> tests/qemu-iotests/group | 1 +
> 8 files changed, 234 insertions(+), 27 deletions(-)
> create mode 100755 tests/qemu-iotests/214
> create mode 100644 tests/qemu-iotests/214.out
>
--
Eric Blake, Principal Software Engineer
Red Hat, Inc. +1-919-301-3266
Virtualization: qemu.org | libvirt.org