block.c (1e97be915697fff198e9922321066cf9b44ef4b9) block.c (c057960c4e33becb22d4741156203a4b0d4a3088)
1/*
2 * QEMU System Emulator block driver
3 *
4 * Copyright (c) 2003 Fabrice Bellard
5 * Copyright (c) 2020 Virtuozzo International GmbH.
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal

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1030 *pdrv = drv;
1031 return 0;
1032}
1033
1034/**
1035 * Set the current 'total_sectors' value
1036 * Return 0 on success, -errno on error.
1037 */
1/*
2 * QEMU System Emulator block driver
3 *
4 * Copyright (c) 2003 Fabrice Bellard
5 * Copyright (c) 2020 Virtuozzo International GmbH.
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal

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1030 *pdrv = drv;
1031 return 0;
1032}
1033
1034/**
1035 * Set the current 'total_sectors' value
1036 * Return 0 on success, -errno on error.
1037 */
1038int refresh_total_sectors(BlockDriverState *bs, int64_t hint)
1038int bdrv_refresh_total_sectors(BlockDriverState *bs, int64_t hint)
1039{
1040 BlockDriver *drv = bs->drv;
1041 IO_CODE();
1042
1043 if (!drv) {
1044 return -ENOMEDIUM;
1045 }
1046

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1647 * declaring support explicitly.
1648 *
1649 * Drivers must not propagate this flag accidentally when they initiate I/O
1650 * to a bounce buffer. That case should be rare though.
1651 */
1652 bs->supported_read_flags |= BDRV_REQ_REGISTERED_BUF;
1653 bs->supported_write_flags |= BDRV_REQ_REGISTERED_BUF;
1654
1039{
1040 BlockDriver *drv = bs->drv;
1041 IO_CODE();
1042
1043 if (!drv) {
1044 return -ENOMEDIUM;
1045 }
1046

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1647 * declaring support explicitly.
1648 *
1649 * Drivers must not propagate this flag accidentally when they initiate I/O
1650 * to a bounce buffer. That case should be rare though.
1651 */
1652 bs->supported_read_flags |= BDRV_REQ_REGISTERED_BUF;
1653 bs->supported_write_flags |= BDRV_REQ_REGISTERED_BUF;
1654
1655 ret = refresh_total_sectors(bs, bs->total_sectors);
1655 ret = bdrv_refresh_total_sectors(bs, bs->total_sectors);
1656 if (ret < 0) {
1657 error_setg_errno(errp, -ret, "Could not refresh total sector count");
1658 return ret;
1659 }
1660
1661 bdrv_refresh_limits(bs, NULL, &local_err);
1662 if (local_err) {
1663 error_propagate(errp, local_err);

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5804{
5805 BlockDriver *drv = bs->drv;
5806 IO_CODE();
5807
5808 if (!drv)
5809 return -ENOMEDIUM;
5810
5811 if (drv->has_variable_length) {
1656 if (ret < 0) {
1657 error_setg_errno(errp, -ret, "Could not refresh total sector count");
1658 return ret;
1659 }
1660
1661 bdrv_refresh_limits(bs, NULL, &local_err);
1662 if (local_err) {
1663 error_propagate(errp, local_err);

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5804{
5805 BlockDriver *drv = bs->drv;
5806 IO_CODE();
5807
5808 if (!drv)
5809 return -ENOMEDIUM;
5810
5811 if (drv->has_variable_length) {
5812 int ret = refresh_total_sectors(bs, bs->total_sectors);
5812 int ret = bdrv_refresh_total_sectors(bs, bs->total_sectors);
5813 if (ret < 0) {
5814 return ret;
5815 }
5816 }
5817 return bs->total_sectors;
5818}
5819
5820/**

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6586 bs->open_flags |= BDRV_O_INACTIVE;
6587 return ret;
6588 }
6589
6590 FOR_EACH_DIRTY_BITMAP(bs, bm) {
6591 bdrv_dirty_bitmap_skip_store(bm, false);
6592 }
6593
5813 if (ret < 0) {
5814 return ret;
5815 }
5816 }
5817 return bs->total_sectors;
5818}
5819
5820/**

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6586 bs->open_flags |= BDRV_O_INACTIVE;
6587 return ret;
6588 }
6589
6590 FOR_EACH_DIRTY_BITMAP(bs, bm) {
6591 bdrv_dirty_bitmap_skip_store(bm, false);
6592 }
6593
6594 ret = refresh_total_sectors(bs, bs->total_sectors);
6594 ret = bdrv_refresh_total_sectors(bs, bs->total_sectors);
6595 if (ret < 0) {
6596 bs->open_flags |= BDRV_O_INACTIVE;
6597 error_setg_errno(errp, -ret, "Could not refresh total sector count");
6598 return ret;
6599 }
6600 }
6601
6602 QLIST_FOREACH(parent, &bs->parents, next_parent) {

--- 1602 unchanged lines hidden --- 		6595 if (ret < 0) {
6596 bs->open_flags |= BDRV_O_INACTIVE;
6597 error_setg_errno(errp, -ret, "Could not refresh total sector count");
6598 return ret;
6599 }
6600 }
6601
6602 QLIST_FOREACH(parent, &bs->parents, next_parent) {

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