void qmp_block_resize(bool has_device, const char *device,

                      bool has_node_name, const char *node_name,

                      int64_t size, Error **errp)

{

    Error *local_err = NULL;

    BlockDriverState *bs;

    AioContext *aio_context;

    int ret;



    bs = bdrv_lookup_bs(has_device ? device : NULL,

                        has_node_name ? node_name : NULL,

                        &local_err);

    if (local_err) {

        error_propagate(errp, local_err);

        return;

    }



    aio_context = bdrv_get_aio_context(bs);

    aio_context_acquire(aio_context);



    if (!bdrv_is_first_non_filter(bs)) {

        error_setg(errp, QERR_FEATURE_DISABLED, "resize");

        goto out;

    }



    if (size < 0) {

        error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "size", "a >0 size");

        goto out;

    }



    if (bdrv_op_is_blocked(bs, BLOCK_OP_TYPE_RESIZE, NULL)) {

        error_setg(errp, QERR_DEVICE_IN_USE, device);

        goto out;

    }



    /* complete all in-flight operations before resizing the device */

    bdrv_drain_all();



    ret = bdrv_truncate(bs, size);

    switch (ret) {

    case 0:

        break;

    case -ENOMEDIUM:

        error_setg(errp, QERR_DEVICE_HAS_NO_MEDIUM, device);

        break;

    case -ENOTSUP:

        error_setg(errp, QERR_UNSUPPORTED);

        break;

    case -EACCES:

        error_setg(errp, "Device '%s' is read only", device);

        break;

    case -EBUSY:

        error_setg(errp, QERR_DEVICE_IN_USE, device);

        break;

    default:

        error_setg_errno(errp, -ret, "Could not resize");

        break;

    }



out:

    aio_context_release(aio_context);

}

void qmp_block_resize(bool has_device, const char *device,

                      bool has_node_name, const char *node_name,

                      int64_t size, Error **errp)

{

    Error *local_err = NULL;

    BlockDriverState *bs;

    AioContext *aio_context;

    int ret;



    bs = bdrv_lookup_bs(has_device ? device : NULL,

                        has_node_name ? node_name : NULL,

                        &local_err);

    if (local_err) {

        error_propagate(errp, local_err);

        return;

    }



    aio_context = bdrv_get_aio_context(bs);

    aio_context_acquire(aio_context);



    if (!bdrv_is_first_non_filter(bs)) {

        error_setg(errp, QERR_FEATURE_DISABLED, "resize");

        goto out;

    }



    if (size < 0) {

        error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "size", "a >0 size");

        goto out;

    }



    if (bdrv_op_is_blocked(bs, BLOCK_OP_TYPE_RESIZE, NULL)) {

        error_setg(errp, QERR_DEVICE_IN_USE, device);

        goto out;

    }



    

    bdrv_drain_all();



    ret = bdrv_truncate(bs, size);

    switch (ret) {

    case 0:

        break;

    case -ENOMEDIUM:

        error_setg(errp, QERR_DEVICE_HAS_NO_MEDIUM, device);

        break;

    case -ENOTSUP:

        error_setg(errp, QERR_UNSUPPORTED);

        break;

    case -EACCES:

        error_setg(errp, "Device '%s' is read only", device);

        break;

    case -EBUSY:

        error_setg(errp, QERR_DEVICE_IN_USE, device);

        break;

    default:

        error_setg_errno(errp, -ret, "Could not resize");

        break;

    }



out:

    aio_context_release(aio_context);

}

void FUNC_0(bool VAR_0, const char *VAR_1,

                      bool VAR_2, const char *VAR_3,

                      int64_t VAR_4, Error **VAR_5)

{

    Error *local_err = NULL;

    BlockDriverState *bs;

    AioContext *aio_context;

    int VAR_6;



    bs = bdrv_lookup_bs(VAR_0 ? VAR_1 : NULL,

                        VAR_2 ? VAR_3 : NULL,

                        &local_err);

    if (local_err) {

        error_propagate(VAR_5, local_err);

        return;

    }



    aio_context = bdrv_get_aio_context(bs);

    aio_context_acquire(aio_context);



    if (!bdrv_is_first_non_filter(bs)) {

        error_setg(VAR_5, QERR_FEATURE_DISABLED, "resize");

        goto out;

    }



    if (VAR_4 < 0) {

        error_setg(VAR_5, QERR_INVALID_PARAMETER_VALUE, "VAR_4", "a >0 VAR_4");

        goto out;

    }



    if (bdrv_op_is_blocked(bs, BLOCK_OP_TYPE_RESIZE, NULL)) {

        error_setg(VAR_5, QERR_DEVICE_IN_USE, VAR_1);

        goto out;

    }



    

    bdrv_drain_all();



    VAR_6 = bdrv_truncate(bs, VAR_4);

    switch (VAR_6) {

    case 0:

        break;

    case -ENOMEDIUM:

        error_setg(VAR_5, QERR_DEVICE_HAS_NO_MEDIUM, VAR_1);

        break;

    case -ENOTSUP:

        error_setg(VAR_5, QERR_UNSUPPORTED);

        break;

    case -EACCES:

        error_setg(VAR_5, "Device '%s' is read only", VAR_1);

        break;

    case -EBUSY:

        error_setg(VAR_5, QERR_DEVICE_IN_USE, VAR_1);

        break;

    default:

        error_setg_errno(VAR_5, -VAR_6, "Could not resize");

        break;

    }



out:

    aio_context_release(aio_context);

}

void FUNC_0(bool VAR_0, const char *VAR_1,
bool VAR_2, const char *VAR_3,
int64_t VAR_4, Error **VAR_5)
{ Error *local_err = NULL; BlockDriverState *bs; AioContext *aio_context; int VAR_6; bs = bdrv_lookup_bs(VAR_0 ? VAR_1 : NULL,
VAR_2 ? VAR_3 : NULL,
&local_err); if (local_err) { error_propagate(VAR_5, local_err); return; } aio_context = bdrv_get_aio_context(bs); aio_context_acquire(aio_context); if (!bdrv_is_first_non_filter(bs)) { error_setg(VAR_5, QERR_FEATURE_DISABLED, "resize"); goto out; } if (VAR_4 < 0) { error_setg(VAR_5, QERR_INVALID_PARAMETER_VALUE, "VAR_4", "a >0 VAR_4"); goto out; } if (bdrv_op_is_blocked(bs, BLOCK_OP_TYPE_RESIZE, NULL)) { error_setg(VAR_5, QERR_DEVICE_IN_USE, VAR_1); goto out; } bdrv_drain_all(); VAR_6 = bdrv_truncate(bs, VAR_4); switch (VAR_6) { case 0:
break; case -ENOMEDIUM:
error_setg(VAR_5, QERR_DEVICE_HAS_NO_MEDIUM, VAR_1); break; case -ENOTSUP:
error_setg(VAR_5, QERR_UNSUPPORTED); break; case -EACCES:
error_setg(VAR_5, "Device '%s' is read only", VAR_1); break; case -EBUSY:
error_setg(VAR_5, QERR_DEVICE_IN_USE, VAR_1); break; default:
error_setg_errno(VAR_5, -VAR_6, "Could not resize"); break; } out:
aio_context_release(aio_context); }