Re: [Qemu-devel] [PATCH 08/10] block/crypto: implement blockdev-amend
On Fri, 2019-09-06 at 15:10 +0100, Daniel P. Berrangé wrote:
> On Fri, Aug 30, 2019 at 11:56:06PM +0300, Maxim Levitsky wrote:
> > Signed-off-by: Maxim Levitsky
> > ---
> > block/crypto.c | 86 +---
> > qapi/block-core.json | 4 +--
> > 2 files changed, 68 insertions(+), 22 deletions(-)
>
> Reviewed-by: Daniel P. Berrangé
>
>
> > static int
> > block_crypto_amend_options(BlockDriverState *bs,
> > QemuOpts *opts,
> > @@ -678,44 +722,45 @@ block_crypto_amend_options(BlockDriverState *bs,
> > BlockCrypto *crypto = bs->opaque;
> > QDict *cryptoopts = NULL;
> > QCryptoBlockCreateOptions *amend_options = NULL;
> > -int ret;
> > +int ret= -EINVAL;
>
> nitpick - space before '='
Done. This is one of the few errors that checkpatch.pl does catch,
but apparently I forgot to run it on this patch.
>
> >
> > assert(crypto);
> > assert(crypto->block);
> >
> > -crypto->updating_keys = true;
> > -
> > -ret = bdrv_child_refresh_perms(bs, bs->file, errp);
> > -if (ret) {
> > -goto cleanup;
> > -}
> > -
> > cryptoopts = qemu_opts_to_qdict_filtered(opts, NULL,
> >
> > &block_crypto_create_opts_luks,
> > true);
> >
> > qdict_put_str(cryptoopts, "format", "luks");
> > amend_options = block_crypto_create_opts_init(cryptoopts, errp);
> > +
> > if (!amend_options) {
> > -ret = -EINVAL;
> > -goto cleanup;
> > +goto out;
> > }
> >
> > -ret = qcrypto_block_amend_options(crypto->block,
> > - block_crypto_read_func,
> > - block_crypto_write_func,
> > - bs,
> > - amend_options,
> > - force,
> > - errp);
> > -cleanup:
> > -crypto->updating_keys = false;
> > -bdrv_child_refresh_perms(bs, bs->file, errp);
> > +ret = block_crypto_amend_options_generic(bs, amend_options, force,
> > errp);
> > +out:
>
> No need to rename the "cleanup" label to "out"
All right.
>
> > qapi_free_QCryptoBlockCreateOptions(amend_options);
> > qobject_unref(cryptoopts);
> > return ret;
> > }
> >
> > +static int
> > +coroutine_fn block_crypto_co_amend(BlockDriverState *bs,
> > + BlockdevCreateOptions *opts,
> > + bool force,
> > + Error **errp)
> > +{
> > +QCryptoBlockCreateOptions amend_opts;
> > +
> > +amend_opts = (QCryptoBlockCreateOptions) {
> > +.format = Q_CRYPTO_BLOCK_FORMAT_LUKS,
> > +.u.luks = *qapi_BlockdevCreateOptionsLUKS_base(&opts->u.luks),
> > +};
> > +
> > +return block_crypto_amend_options_generic(bs, &amend_opts, force,
> > errp);
> > +}
> > +
> >
> > static void
> > block_crypto_child_perms(BlockDriverState *bs, BdrvChild *c,
> > @@ -774,6 +819,7 @@ static BlockDriver bdrv_crypto_luks = {
> > .bdrv_get_info = block_crypto_get_info_luks,
> > .bdrv_get_specific_info = block_crypto_get_specific_info_luks,
> > .bdrv_amend_options = block_crypto_amend_options,
> > +.bdrv_co_amend = block_crypto_co_amend,
> >
> > .strong_runtime_opts = block_crypto_strong_runtime_opts,
> > };
> > diff --git a/qapi/block-core.json b/qapi/block-core.json
> > index 7900914506..02375fb59a 100644
> > --- a/qapi/block-core.json
> > +++ b/qapi/block-core.json
> > @@ -4220,8 +4220,8 @@
> > ##
> > { 'struct': 'BlockdevCreateOptionsLUKS',
> >'base': 'QCryptoBlockCreateOptionsLUKS',
> > - 'data': { 'file': 'BlockdevRef',
> > -'size': 'size',
> > + 'data': { '*file': 'BlockdevRef',
> > +'*size': 'size',
>
> Docs comment to explain they are mandatory for create
Done
>
> > '*preallocation': 'PreallocMode' } }
> >
> > ##
> > --
> > 2.17.2
> >
>
> Regards,
> Daniel
Best regards,
Maxim Levitsky
Re: [Qemu-devel] [PATCH 08/10] block/crypto: implement blockdev-amend
On Fri, Aug 30, 2019 at 11:56:06PM +0300, Maxim Levitsky wrote:
> Signed-off-by: Maxim Levitsky
> ---
> block/crypto.c | 86 +---
> qapi/block-core.json | 4 +--
> 2 files changed, 68 insertions(+), 22 deletions(-)
Reviewed-by: Daniel P. Berrangé
> static int
> block_crypto_amend_options(BlockDriverState *bs,
> QemuOpts *opts,
> @@ -678,44 +722,45 @@ block_crypto_amend_options(BlockDriverState *bs,
> BlockCrypto *crypto = bs->opaque;
> QDict *cryptoopts = NULL;
> QCryptoBlockCreateOptions *amend_options = NULL;
> -int ret;
> +int ret= -EINVAL;
nitpick - space before '='
>
> assert(crypto);
> assert(crypto->block);
>
> -crypto->updating_keys = true;
> -
> -ret = bdrv_child_refresh_perms(bs, bs->file, errp);
> -if (ret) {
> -goto cleanup;
> -}
> -
> cryptoopts = qemu_opts_to_qdict_filtered(opts, NULL,
> &block_crypto_create_opts_luks,
> true);
>
> qdict_put_str(cryptoopts, "format", "luks");
> amend_options = block_crypto_create_opts_init(cryptoopts, errp);
> +
> if (!amend_options) {
> -ret = -EINVAL;
> -goto cleanup;
> +goto out;
> }
>
> -ret = qcrypto_block_amend_options(crypto->block,
> - block_crypto_read_func,
> - block_crypto_write_func,
> - bs,
> - amend_options,
> - force,
> - errp);
> -cleanup:
> -crypto->updating_keys = false;
> -bdrv_child_refresh_perms(bs, bs->file, errp);
> +ret = block_crypto_amend_options_generic(bs, amend_options, force, errp);
> +out:
No need to rename the "cleanup" label to "out"
> qapi_free_QCryptoBlockCreateOptions(amend_options);
> qobject_unref(cryptoopts);
> return ret;
> }
>
> +static int
> +coroutine_fn block_crypto_co_amend(BlockDriverState *bs,
> + BlockdevCreateOptions *opts,
> + bool force,
> + Error **errp)
> +{
> +QCryptoBlockCreateOptions amend_opts;
> +
> +amend_opts = (QCryptoBlockCreateOptions) {
> +.format = Q_CRYPTO_BLOCK_FORMAT_LUKS,
> +.u.luks = *qapi_BlockdevCreateOptionsLUKS_base(&opts->u.luks),
> +};
> +
> +return block_crypto_amend_options_generic(bs, &amend_opts, force, errp);
> +}
> +
>
> static void
> block_crypto_child_perms(BlockDriverState *bs, BdrvChild *c,
> @@ -774,6 +819,7 @@ static BlockDriver bdrv_crypto_luks = {
> .bdrv_get_info = block_crypto_get_info_luks,
> .bdrv_get_specific_info = block_crypto_get_specific_info_luks,
> .bdrv_amend_options = block_crypto_amend_options,
> +.bdrv_co_amend = block_crypto_co_amend,
>
> .strong_runtime_opts = block_crypto_strong_runtime_opts,
> };
> diff --git a/qapi/block-core.json b/qapi/block-core.json
> index 7900914506..02375fb59a 100644
> --- a/qapi/block-core.json
> +++ b/qapi/block-core.json
> @@ -4220,8 +4220,8 @@
> ##
> { 'struct': 'BlockdevCreateOptionsLUKS',
>'base': 'QCryptoBlockCreateOptionsLUKS',
> - 'data': { 'file': 'BlockdevRef',
> -'size': 'size',
> + 'data': { '*file': 'BlockdevRef',
> +'*size': 'size',
Docs comment to explain they are mandatory for create
> '*preallocation': 'PreallocMode' } }
>
> ##
> --
> 2.17.2
>
Regards,
Daniel
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