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block: Update BlockLimits when they might have changed

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When reopening with different flags, or when backing files disappear
from the chain, the limits may change. Make sure they get updated in
these cases.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Benoît Canet <benoit@irqsave.net>
This commit is contained in:
Kevin Wolf 2013-12-11 20:14:09 +01:00
parent 466ad822de
commit 355ef4ac95
3 changed files with 7 additions and 1 deletions
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2
block/stream.c
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@ -75,6 +75,8 @@ static void close_unused_images(BlockDriverState *top, BlockDriverState *base,
unused->backing_hd = NULL;
bdrv_unref(unused);
}
bdrv_refresh_limits(top);
}
static void coroutine_fn stream_run(void *opaque)