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block/amend: add 'force' option

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'force' option will be used for some unsafe amend operations.

This includes things like erasing last keyslot in luks based formats
(which destroys the data, unless the master key is backed up
by external means), but that _might_ be desired result.

Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-Id: <20200608094030.670121-4-mlevitsk@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
This commit is contained in:
Maxim Levitsky 2020-06-25 14:55:38 +02:00 • committed by Max Reitz
parent 557d2bdcca
commit a3579bfa0a
7 changed files with 19 additions and 5 deletions
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1
block/qcow2.c
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@ -5351,6 +5351,7 @@ static void qcow2_amend_helper_cb(BlockDriverState *bs,
static int qcow2_amend_options(BlockDriverState *bs, QemuOpts *opts,
BlockDriverAmendStatusCB *status_cb,
void *cb_opaque,
bool force,
Error **errp)
{
BDRVQcow2State *s = bs->opaque;