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block: refresh bs->total_sectors on reopen 

After reopening a BlockDriverState, it's possible that the size of the
underlying file has changed.  This for example is covered by test 171.

Right now, this is handled by the raw driver's has_variable_length = true
setting.  Since this will be removed by the next patch, handle it on
reopen instead, together with the existing bdrv_refresh_limits.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20230407153303.391121-4-pbonzini@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Paolo Bonzini 2023-04-07 17:32:58 +02:00 committed by Kevin Wolf
parent 6188088f72
commit 439cc330c5
1 changed files with 1 additions and 0 deletions
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block.c
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@ -4918,6 +4918,7 @@ static void bdrv_reopen_commit(BDRVReopenState *reopen_state)
qdict_del(bs->options, "backing");
bdrv_refresh_limits(bs, NULL, NULL);
bdrv_refresh_total_sectors(bs, bs->total_sectors);
}
/*