4f0bef8b36
This adds GRAPH_RDLOCK annotations to declare that callers of bdrv_query_block_graph_info() need to hold a reader lock for the graph because it accesses the children list of a node. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-Id: <20230504115750.54437-19-kwolf@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
57 lines
2.5 KiB
C
57 lines
2.5 KiB
C
/*
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* Block layer qmp and info dump related functions
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*
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* Copyright (c) 2003-2008 Fabrice Bellard
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef BLOCK_QAPI_H
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#define BLOCK_QAPI_H
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#include "block/graph-lock.h"
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#include "block/snapshot.h"
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#include "qapi/qapi-types-block-core.h"
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BlockDeviceInfo *bdrv_block_device_info(BlockBackend *blk,
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BlockDriverState *bs,
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bool flat,
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Error **errp);
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int bdrv_query_snapshot_info_list(BlockDriverState *bs,
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SnapshotInfoList **p_list,
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Error **errp);
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void bdrv_query_block_node_info(BlockDriverState *bs,
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BlockNodeInfo **p_info,
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Error **errp);
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void bdrv_query_image_info(BlockDriverState *bs,
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ImageInfo **p_info,
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bool flat,
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bool skip_implicit_filters,
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Error **errp);
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void GRAPH_RDLOCK
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bdrv_query_block_graph_info(BlockDriverState *bs, BlockGraphInfo **p_info,
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Error **errp);
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void bdrv_snapshot_dump(QEMUSnapshotInfo *sn);
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void bdrv_image_info_specific_dump(ImageInfoSpecific *info_spec,
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const char *prefix,
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int indentation);
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void bdrv_node_info_dump(BlockNodeInfo *info, int indentation, bool protocol);
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#endif
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