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qcow2: check request on vmstate save/load path

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We modify the request by adding an offset to vmstate. Let's check the
modified request. It will help us to safely move .bdrv_co_preadv_part
and .bdrv_co_pwritev_part to int64_t type of offset and bytes.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20210903102807.27127-3-vsementsov@virtuozzo.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Vladimir Sementsov-Ogievskiy 2021-09-03 13:27:58 +03:00 • committed by Eric Blake
parent b984b2968b
commit 558902cc3d
3 changed files with 43 additions and 9 deletions
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3
include/block/block_int.h
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@ -94,6 +94,9 @@ typedef struct BdrvTrackedRequest {
struct BdrvTrackedRequest *waiting_for;
} BdrvTrackedRequest;
int bdrv_check_qiov_request(int64_t offset, int64_t bytes,
QEMUIOVector *qiov, size_t qiov_offset,
Error **errp);
int bdrv_check_request(int64_t offset, int64_t bytes, Error **errp);
struct BlockDriver {