blockdev: check for BLOCK_OP_TYPE_INTERNAL_SNAPSHOT
The BLOCK_OP_TYPE_INTERNAL_SNAPSHOT op blocker exists but was never used! Let's fix that so internal snapshots can be blocked. [Fixed s/external/internal/ typo as pointed out by Paolo Bonzini and Max Reitz. --Stefan] Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Message-id: 1416566940-4430-5-git-send-email-stefanha@redhat.com Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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@ -1250,6 +1250,10 @@ static void internal_snapshot_prepare(BlkTransactionState *common,
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return;
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return;
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}
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}
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if (bdrv_op_is_blocked(bs, BLOCK_OP_TYPE_INTERNAL_SNAPSHOT, errp)) {
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return;
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}
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if (bdrv_is_read_only(bs)) {
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if (bdrv_is_read_only(bs)) {
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error_set(errp, QERR_DEVICE_IS_READ_ONLY, device);
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error_set(errp, QERR_DEVICE_IS_READ_ONLY, device);
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return;
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return;
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