block.c (1cd2ad11d37c48f284f557954e1df675b126264c) block.c (c0829cb1fd5e0b35abfcf9fc3f04502c1ed5d7b6)
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

--- 3327 unchanged lines hidden (view full) ---

3336}
3337
3338int bdrv_set_backing_hd(BlockDriverState *bs, BlockDriverState *backing_hd,
3339 Error **errp)
3340{
3341 int ret;
3342 Transaction *tran = tran_new();
3343
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

--- 3327 unchanged lines hidden (view full) ---

3336}
3337
3338int bdrv_set_backing_hd(BlockDriverState *bs, BlockDriverState *backing_hd,
3339 Error **errp)
3340{
3341 int ret;
3342 Transaction *tran = tran_new();
3343
3344 bdrv_drained_begin(bs);
3345
3344 ret = bdrv_set_backing_noperm(bs, backing_hd, tran, errp);
3345 if (ret < 0) {
3346 goto out;
3347 }
3348
3349 ret = bdrv_refresh_perms(bs, errp);
3350out:
3351 tran_finalize(tran, ret);
3352
3346 ret = bdrv_set_backing_noperm(bs, backing_hd, tran, errp);
3347 if (ret < 0) {
3348 goto out;
3349 }
3350
3351 ret = bdrv_refresh_perms(bs, errp);
3352out:
3353 tran_finalize(tran, ret);
3354
3355 bdrv_drained_end(bs);
3356
3353 return ret;
3354}
3355
3356/*
3357 * Opens the backing file for a BlockDriverState if not yet open
3358 *
3359 * bdref_key specifies the key for the image's BlockdevRef in the options QDict.
3360 * That QDict has to be flattened; therefore, if the BlockdevRef is a QDict

--- 4591 unchanged lines hidden --- 		3357 return ret;
3358}
3359
3360/*
3361 * Opens the backing file for a BlockDriverState if not yet open
3362 *
3363 * bdref_key specifies the key for the image's BlockdevRef in the options QDict.
3364 * That QDict has to be flattened; therefore, if the BlockdevRef is a QDict

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