Am 18.05.2015 um 18:45 hat Stefan Hajnoczi geschrieben: > On Tue, Apr 28, 2015 at 10:46:33AM +0300, Denis V. Lunev wrote: > > This patchset provides an ability to create of/write to Parallels > > images and some testing of the new code. Readings and writings are > > optimized out and I expect the same or slightly better performance > > as qcow2. > > > > Changes from v4: > > - parallels format driver marked as bdrv_has_zero_init_1 > > - added missed unlocks to parallels_co_readv/writev on error path, locking > > is shortened and simplified > > - changed test number for created images > > - added check for bdrv_has_zero_init() and availability of bdrv_truncate() > > in parallels_open() and proper error handling in alloc_cluster > > - some patch comments are improved > > > > Changes from v3: > > - fixed checkpatch warnings even in just moved code. I am tired of them > > - fixed contingency check in patch 18 > > > > Changes from v2: > > - read performance is almost doubled (up to 360 Mb/sec), write performance > > is improved by 15-20% > > - bat caching approach changed completely. bat_bitmap now contains the data > > in on-disk format, which allows to use this data for metadata cache > > - incorrect close detection code is added (inuse field in the header) > > - very basic check consistency code added > > > > Changes from v1: > > - patches 13-19 added, which boosts performance from 800 KiB/sec to > > near native performance > > > > Signed-off-by: Denis V. Lunev <d...@openvz.org> > > CC: Roman Kagan <rka...@parallels.com> > > CC: Kevin Wolf <kw...@redhat.com> > > CC: Stefan Hajnoczi <stefa...@redhat.com> > > Thanks, applied to my master tree: > https://github.com/stefanha/qemu/commits/master
Are you sure you didn't intend to apply it to 'block' rather than 'master'? (Just trying to make sure it's not missing from the next pull request.) Kevin
pgps9W7azTi6m.pgp
Description: PGP signature
