int bdrv_set_read_only(BlockDriverState *bs, bool read_only, Error **errp)

{

    /* Do not set read_only if copy_on_read is enabled */

    if (bs->copy_on_read && read_only) {

        error_setg(errp, "Can't set node '%s' to r/o with copy-on-read enabled",

                   bdrv_get_device_or_node_name(bs));

        return -EINVAL;

    }



    /* Do not clear read_only if it is prohibited */

    if (!read_only && !(bs->open_flags & BDRV_O_ALLOW_RDWR)) {

        error_setg(errp, "Node '%s' is read only",

                   bdrv_get_device_or_node_name(bs));

        return -EPERM;

    }



    bs->read_only = read_only;

    return 0;

}

int bdrv_set_read_only(BlockDriverState *bs, bool read_only, Error **errp)

{

    

    if (bs->copy_on_read && read_only) {

        error_setg(errp, "Can't set node '%s' to r/o with copy-on-read enabled",

                   bdrv_get_device_or_node_name(bs));

        return -EINVAL;

    }



    

    if (!read_only && !(bs->open_flags & BDRV_O_ALLOW_RDWR)) {

        error_setg(errp, "Node '%s' is read only",

                   bdrv_get_device_or_node_name(bs));

        return -EPERM;

    }



    bs->read_only = read_only;

    return 0;

}

int FUNC_0(BlockDriverState *VAR_0, bool VAR_1, Error **VAR_2)

{

    

    if (VAR_0->copy_on_read && VAR_1) {

        error_setg(VAR_2, "Can't set node '%s' to r/o with copy-on-read enabled",

                   bdrv_get_device_or_node_name(VAR_0));

        return -EINVAL;

    }



    

    if (!VAR_1 && !(VAR_0->open_flags & BDRV_O_ALLOW_RDWR)) {

        error_setg(VAR_2, "Node '%s' is read only",

                   bdrv_get_device_or_node_name(VAR_0));

        return -EPERM;

    }



    VAR_0->VAR_1 = VAR_1;

    return 0;

}

int FUNC_0(BlockDriverState *VAR_0, bool VAR_1, Error **VAR_2)
{ if (VAR_0->copy_on_read && VAR_1) { error_setg(VAR_2, "Can't set node '%s' to r/o with copy-on-read enabled",
bdrv_get_device_or_node_name(VAR_0)); return -EINVAL; } if (!VAR_1 && !(VAR_0->open_flags & BDRV_O_ALLOW_RDWR)) { error_setg(VAR_2, "Node '%s' is read only",
bdrv_get_device_or_node_name(VAR_0)); return -EPERM; } VAR_0->VAR_1 = VAR_1; return 0; }