Re: [Qemu-block] [PATCH v4 0/4] Don't write headers if BDS is INACTIVE

[Stefan Hajnoczi]

On Tue, Nov 07, 2017 at 08:10:32AM -0500, Jeff Cody wrote:
> Changes from v3->v4:
> 
> Patch 3: Add migrate_del_blocker and error_free (Thanks Stefan)
> 
> 
> git-backport-diff -r qemu/master.. -u ba11b69
> 
> 001/4:[----] [--] 'block/vhdx.c: Don't blindly update the header'
> 002/4:[----] [--] 'block/parallels: Do not update header or truncate image 
> when INMIGRATE'
> 003/4:[0003] [FC] 'block/parallels: add migration blocker'
> 004/4:[----] [--] 'qemu-iotests: update unsupported image formats in 194'
> 
> 
> Changes from v2->v3:
> 
> Patch 2: Uh... fix that misspelling.  Thanks Stefan :)
> Patch 3: New patch to block migration in parallels
> 
> git-backport-diff -r qemu/master.. -u 6dc6acb
> 
> 001/4:[----] [--] 'block/vhdx.c: Don't blindly update the header'
> 002/4:[----] [--] 'block/parallels: Do not update header or truncate image 
> when INMIGRATE'
> 003/4:[down] 'block/parallels: add migration blocker'
> 004/4:[----] [--] 'qemu-iotests: update unsupported image formats in 194'
> 
> 
> Changes from v1->v2:
> 
> * Drop previous parallels patches, just check BDRV_O_INACTIVE now
>   (Kevin)
> 
> git-backport-diff -r qemu/master.. -u github/master
> Key:
> [----] : patches are identical
> [####] : number of functional differences between upstream/downstream patch
> [down] : patch is downstream-only
> The flags [FC] indicate (F)unctional and (C)ontextual differences, 
> respectively
> 
> 001/3:[----] [--] 'block/vhdx.c: Don't blindly update the header'
> 002/3:[down] 'block/parallals: Do not update header or truncate image when 
> INMIGRATE'
> 003/3:[----] [--] 'qemu-iotests: update unsupported image formats in 194'
> 
> 
> v1:
> 
> VHDX and Parallels both blindly write headers to the image file
> if the images are opened R/W.  This causes an assert if the QEMU run
> state is INMIGRATE.
> 
> Jeff Cody (4):
>   block/vhdx.c: Don't blindly update the header
>   block/parallels: Do not update header or truncate image when INMIGRATE
>   block/parallels: add migration blocker
>   qemu-iotests: update unsupported image formats in 194
> 
>  block/parallels.c      | 22 +++++++++++++++++-----
>  block/vhdx.c           |  7 -------
>  tests/qemu-iotests/194 |  2 +-
>  3 files changed, 18 insertions(+), 13 deletions(-)
> 
> -- 
> 2.9.5
> 
> 

Reviewed-by: Stefan Hajnoczi <address@hidden>

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