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Re: [Qemu-devel] [PATCH V3 0/7] Make QED with live migration safe
From: |
Kevin Wolf |
Subject: |
Re: [Qemu-devel] [PATCH V3 0/7] Make QED with live migration safe |
Date: |
Thu, 05 Apr 2012 16:34:54 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:11.0) Gecko/20120316 Thunderbird/11.0 |
Am 23.03.2012 08:36, schrieb Benoît Canet:
> This is the third version of a patchset aiming at making the combined
> usage of QED and live migration safe.
>
> v3:
>
> -qed: Drop the flags qed structure member and use bs->open_flags to reopen
> (stefana)
> -qed: When opening honor flags parameter instead of bs->open_flags
>
> v2:
>
> -The block layer is not aware anymore of the migration state. (stefanha)
> -No bdrv_invalidate_cache renaming since the semantic do not change.
> (stefanha)
> -The qed bdrv_invalidate_cache function does a reopening of the image to flush
> metadata and to do the image integrity check. (stefanha)
>
> Benoît Canet (7):
> block: Add new BDRV_O_INCOMING flag to notice incoming live migration
> block: add a function to clear incoming live migration flags
> blockdev: open images with BDRV_O_INCOMING on incoming live migration
> qed: add bdrv_invalidate_cache to be called after incoming live
> migration
> migration: clear BDRV_O_INCOMING flags on end of incoming live
> migration
> qed: honor BDRV_O_INCOMING for incoming live migration
> qed: remove incoming live migration blocker
>
> block.c | 9 +++++++++
> block.h | 3 +++
> block/qed.c | 24 +++++++++++++-----------
> block/qed.h | 2 --
> blockdev.c | 4 ++++
> migration.c | 1 +
> 6 files changed, 30 insertions(+), 13 deletions(-)
Thanks, applied to the block branch.
Kevin