ping...
On Fri, Sep 12, 2014 at 05:22:45PM +0800, Hu Tao wrote:
> ping?
>
> On Wed, Sep 10, 2014 at 05:05:44PM +0800, Hu Tao wrote:
> > This series adds two preallocation mode to qcow2 and raw:
> >
> > Option preallocation=full preallocates disk space for image by writing
> > zeros to disk, this ensures disk space in any cases.
> >
> > Option preallocation=falloc preallocates disk space by calling
> > posix_fallocate(). This is faster than preallocation=full.
> >
> > Note: there is a false positive reported by checkpatch.pl to patch 1.
> >
> > changes to v14:
> >
> > - add detailed commit message to patch 1
> > - change the coding style as Eric and Benoît suggested (patch 3)
> > - use break as Benoît suggested (patch 4)
> >
> > changes to v13:
> >
> > - rebase (patch 3 in v13 is already in)
> > - don't convert file size to sector size in hdev_create(), too (patch 2)
> > - reintroduce preallocation=falloc. (patch 3)
> > - split the implementation of preallocation=full in v13 into
> > preallocation=falloc and preallocation=full (patch 4)
> >
> > changes to v12:
> >
> > - remove dependence on minimal_blob_size() (patch 6)
> > - remove preallocation=falloc. (patch 4)
> > - preallocation=full tries posix_fallocate() first then writing
> > zeros (patch 5)
> > - round up file size for all formats (patch 1)
> > - avoid converting file size for more formats (patch 2)
> >
> > changes to v11:
> >
> > - fix test case 049 (patch 4)
> > - unsigned nl2e -> uint64_t nl2e (patch 6)
> > - use >> instead of / (patch 6)
> >
> > changes to v10:
> >
> > - PreallocMode is moved from file qapi-schema.json to qapi/block-core.json
> > - introdues preallocation=falloc, no changes to preallocation=metadata
> > - using minimal_blob_size() to calculate metadata size for qcow2
> > - indentation fix in file blockdev.c
> >
> > changes to v9:
> >
> > - use ROUND_UP to do round up
> > - split the round up into its own patch and add test case
> > - new patch rename parse_enum_option to qapi_enum_parse and make it public
> > - reuse qapi_enum_parse
> >
> > changes to v8:
> >
> > - round up image file size to nearest sector size
> > - dont' blindly lose error info
> > - target for 2.1 rather than 2.0
> > - and, rebase to latest git tree
> >
> > changes to v5:
> >
> > - add `Since 2.0' to PreallocMode
> > - apply total_size change to raw-win32.c as well
> >
> > changes to v4:
> >
> > - fix wrong calculation of qcow2 metadata size in v4
> > - remove raw_preallocate2()
> > - better error out path in raw_create()
> > - fix coding style
> >
> > changes to v3:
> >
> > - remove bdrv_preallocate and make preallocation a
> > bdrv_create_file option
> > - prealloc_mode -> PreallocMode and add it to QAPI
> > - fix return value in raw_preallocate2
> >
> > changes to v2:
> >
> > - Fix comments to v2 by Fam.
> > - qcow2: first fallocate disk space, then allocate metadata. This avoids
> > the problem in v2 that bdrv_preallocate may clear all information in
> > metadata. This does not necessarily map all data clusters sequentially
> > but does keep information in metadata. Peter, is this acceptable?
> >
> >
> > Hu Tao (5):
> > block: round up file size to nearest sector
> > block: don't convert file size to sector size
> > qapi: introduce PreallocMode and new PreallocModes full and falloc.
> > raw-posix: Add falloc and full preallocation option
> > qcow2: Add falloc and full preallocation option
> >
> > block/archipelago.c | 3 +-
> > block/cow.c | 3 +-
> > block/gluster.c | 9 ++--
> > block/iscsi.c | 4 +-
> > block/nfs.c | 3 +-
> > block/qcow.c | 7 +--
> > block/qcow2.c | 82 +++++++++++++++++++++++++------
> > block/qed.c | 3 +-
> > block/raw-posix.c | 102
> > ++++++++++++++++++++++++++++++---------
> > block/raw-win32.c | 6 +--
> > block/rbd.c | 3 +-
> > block/sheepdog.c | 3 +-
> > block/ssh.c | 3 +-
> > block/vdi.c | 3 +-
> > block/vhdx.c | 3 +-
> > block/vmdk.c | 3 +-
> > block/vpc.c | 3 +-
> > qapi/block-core.json | 17 +++++++
> > qemu-doc.texi | 17 +++++--
> > qemu-img.texi | 17 +++++--
> > tests/qemu-iotests/049.out | 2 +-
> > tests/qemu-iotests/082.out | 54 ++++++++++-----------
> > tests/qemu-iotests/104 | 57 ++++++++++++++++++++++
> > tests/qemu-iotests/104.out | 12 +++++
> > tests/qemu-iotests/common.filter | 21 ++++++++
> > tests/qemu-iotests/group | 1 +
> > 26 files changed, 344 insertions(+), 97 deletions(-)
> > create mode 100755 tests/qemu-iotests/104
> > create mode 100644 tests/qemu-iotests/104.out
> >
> > --
> > 1.9.3
> >
