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Re: [Qemu-devel] [PATCH v5 0/3] qcow2: Patch for shrinking qcow2 disk im
From: |
Jun Li |
Subject: |
Re: [Qemu-devel] [PATCH v5 0/3] qcow2: Patch for shrinking qcow2 disk image |
Date: |
Mon, 10 Nov 2014 16:36:48 +0800 |
User-agent: |
Mutt/1.5.23 (2014-03-12) |
Ping Stefan and Kevin,
Could anyone help to review this version of patch ? Thx.
Regards,
Jun Li
On Sun, 10/26 23:20, Jun Li wrote:
> v5:
> Add qemu-iotests for qcow2 shrinking. Do some modifications based on MAX's
> suggestions in v4.
>
> v4:
> Add deal with COW clusters in l2 table. When using COW, some of (l2_entry >>
> s->cluster_bits) will larger than s->refcount_table_size, so need to discard
> this l2_entry.
>
> v3:
> Fixed host cluster leak.
>
>
> In file block/qcow2.c, just using ftruncate to fix host cluster leak.
>
> In file block/qcow2-cluster.c, just re-copy qcow2_grow_l1_table to
> realize qcow2_shrink_l1_and_l2_table.
>
> In file block/qcow2-refcount.c, also update the realization to handle
> self-describing
> refcount blocks in function update_refcount.
>
> Thanks.
>
>
> Jun Li (3):
> qcow2: Add qcow2_shrink_l1_and_l2_table for qcow2 shrinking
> qcow2: add update refcount table realization for update_refcount
> qcow2: Add qemu-iotests for qcow2 shrinking
>
> block/qcow2-cluster.c | 182
> +++++++++++++++++++++++++++++++++++++++++++++
> block/qcow2-refcount.c | 49 +++++++++++-
> block/qcow2.c | 37 ++++++++-
> block/qcow2.h | 2 +
> tests/qemu-iotests/110 | 76 +++++++++++++++++++
> tests/qemu-iotests/110.out | 13 ++++
> tests/qemu-iotests/group | 1 +
> 7 files changed, 356 insertions(+), 4 deletions(-)
> create mode 100755 tests/qemu-iotests/110
> create mode 100644 tests/qemu-iotests/110.out
>
> --
> 1.9.3
>
- Re: [Qemu-devel] [PATCH v5 0/3] qcow2: Patch for shrinking qcow2 disk image,
Jun Li <=