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commit: Set commit_top_bs->total_sectors 

Like in the mirror filter driver, we also need to set the image size for
the commit filter driver. This is less likely to be a problem in
practice than for the mirror because we're not at the active layer here,
but attaching new parents to a node in the middle of the chain is
possible, so the size needs to be correct anyway.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
This commit is contained in:
Kevin Wolf 2017-04-06 19:07:14 +02:00
parent 02be4aeb93
commit 0d0676a104
1 changed files with 1 additions and 0 deletions
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1
block/commit.c
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@ -335,6 +335,7 @@ void commit_start(const char *job_id, BlockDriverState *bs,
if (commit_top_bs == NULL) {
goto fail;
}
commit_top_bs->total_sectors = top->total_sectors;
bdrv_set_aio_context(commit_top_bs, bdrv_get_aio_context(top));
bdrv_set_backing_hd(commit_top_bs, top, &local_err);