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qcow2-bitmap: add qcow2_reopen_bitmaps_rw_hint()
Add version of qcow2_reopen_bitmaps_rw, which do the same work but also return a hint about was header updated or not. This will be used in the following fix for bitmaps reloading after migration. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: John Snow <jsnow@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Message-id: 20180320170521.32152-2-vsementsov@virtuozzo.com Signed-off-by: Max Reitz <mreitz@redhat.com>
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2 changed files with 16 additions and 1 deletions
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@ -671,6 +671,8 @@ int qcow2_check_bitmaps_refcounts(BlockDriverState *bs, BdrvCheckResult *res,
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void **refcount_table,
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int64_t *refcount_table_size);
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bool qcow2_load_dirty_bitmaps(BlockDriverState *bs, Error **errp);
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int qcow2_reopen_bitmaps_rw_hint(BlockDriverState *bs, bool *header_updated,
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Error **errp);
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int qcow2_reopen_bitmaps_rw(BlockDriverState *bs, Error **errp);
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void qcow2_store_persistent_dirty_bitmaps(BlockDriverState *bs, Error **errp);
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int qcow2_reopen_bitmaps_ro(BlockDriverState *bs, Error **errp);
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