block.c (3da71a2111de9f0bc475f8292d009265ab34365f) block.c (fb2575f95411644abe7f0606594035b63a5132ad)
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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3067 */
3068 parent_ctx = bdrv_child_get_parent_aio_context(new_child);
3069 if (child_ctx != parent_ctx) {
3070 Error *local_err = NULL;
3071 int ret = bdrv_try_change_aio_context(child_bs, parent_ctx, NULL,
3072 &local_err);
3073
3074 if (ret < 0 && child_class->change_aio_ctx) {
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

--- 3058 unchanged lines hidden (view full) ---

3067 */
3068 parent_ctx = bdrv_child_get_parent_aio_context(new_child);
3069 if (child_ctx != parent_ctx) {
3070 Error *local_err = NULL;
3071 int ret = bdrv_try_change_aio_context(child_bs, parent_ctx, NULL,
3072 &local_err);
3073
3074 if (ret < 0 && child_class->change_aio_ctx) {
3075 Transaction *tran = tran_new();
3075 Transaction *aio_ctx_tran = tran_new();
3076 GHashTable *visited = g_hash_table_new(NULL, NULL);
3077 bool ret_child;
3078
3079 g_hash_table_add(visited, new_child);
3080 ret_child = child_class->change_aio_ctx(new_child, child_ctx,
3076 GHashTable *visited = g_hash_table_new(NULL, NULL);
3077 bool ret_child;
3078
3079 g_hash_table_add(visited, new_child);
3080 ret_child = child_class->change_aio_ctx(new_child, child_ctx,
3081 visited, tran, NULL);
3081 visited, aio_ctx_tran,
3082 NULL);
3082 if (ret_child == true) {
3083 error_free(local_err);
3084 ret = 0;
3085 }
3083 if (ret_child == true) {
3084 error_free(local_err);
3085 ret = 0;
3086 }
3086 tran_finalize(tran, ret_child == true ? 0 : -1);
3087 tran_finalize(aio_ctx_tran, ret_child == true ? 0 : -1);
3087 g_hash_table_destroy(visited);
3088 }
3089
3090 if (ret < 0) {
3091 error_propagate(errp, local_err);
3092 bdrv_child_free(new_child);
3093 return NULL;
3094 }

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6203 int i;
6204 const char **formats = NULL;
6205
6206 GLOBAL_STATE_CODE();
6207
6208 QLIST_FOREACH(drv, &bdrv_drivers, list) {
6209 if (drv->format_name) {
6210 bool found = false;
3088 g_hash_table_destroy(visited);
3089 }
3090
3091 if (ret < 0) {
3092 error_propagate(errp, local_err);
3093 bdrv_child_free(new_child);
3094 return NULL;
3095 }

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6204 int i;
6205 const char **formats = NULL;
6206
6207 GLOBAL_STATE_CODE();
6208
6209 QLIST_FOREACH(drv, &bdrv_drivers, list) {
6210 if (drv->format_name) {
6211 bool found = false;
6211 int i = count;
6212
6213 if (use_bdrv_whitelist && !bdrv_is_whitelisted(drv, read_only)) {
6214 continue;
6215 }
6216
6212
6213 if (use_bdrv_whitelist && !bdrv_is_whitelisted(drv, read_only)) {
6214 continue;
6215 }
6216
6217 i = count;
6217 while (formats && i && !found) {
6218 found = !strcmp(formats[--i], drv->format_name);
6219 }
6220
6221 if (!found) {
6222 formats = g_renew(const char *, formats, count + 1);
6223 formats[count++] = drv->format_name;
6224 }

--- 2342 unchanged lines hidden --- 		6218 while (formats && i && !found) {
6219 found = !strcmp(formats[--i], drv->format_name);
6220 }
6221
6222 if (!found) {
6223 formats = g_renew(const char *, formats, count + 1);
6224 formats[count++] = drv->format_name;
6225 }

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