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blockdev: check for BLOCK_OP_TYPE_INTERNAL_SNAPSHOT

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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>
This commit is contained in:
Stefan Hajnoczi 2014-11-21 10:49:00 +00:00 committed by Kevin Wolf
parent 5d6e96efb8
commit 3dc7ca3c97
1 changed files with 4 additions and 0 deletions
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blockdev.c
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@ -1250,6 +1250,10 @@ static void internal_snapshot_prepare(BlkTransactionState *common,
return;
}
if (bdrv_op_is_blocked(bs, BLOCK_OP_TYPE_INTERNAL_SNAPSHOT, errp)) {
return;
}
if (bdrv_is_read_only(bs)) {
error_set(errp, QERR_DEVICE_IS_READ_ONLY, device);
return;