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block: Allow reference for bdrv_file_open()
Allow specifying a reference to an existing block device (by name) for bdrv_file_open() instead of a filename and/or options. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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parent
89f2b21e36
commit
72daa72eee
12 changed files with 41 additions and 19 deletions
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@ -769,8 +769,8 @@ static int vmdk_parse_extents(const char *desc, BlockDriverState *bs,
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path_combine(extent_path, sizeof(extent_path),
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desc_file_path, fname);
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ret = bdrv_file_open(&extent_file, extent_path, NULL, bs->open_flags,
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errp);
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ret = bdrv_file_open(&extent_file, extent_path, NULL, NULL,
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bs->open_flags, errp);
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if (ret) {
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return ret;
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}
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@ -1469,7 +1469,7 @@ static int vmdk_create_extent(const char *filename, int64_t filesize,
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goto exit;
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}
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ret = bdrv_file_open(&bs, filename, NULL, BDRV_O_RDWR, &local_err);
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ret = bdrv_file_open(&bs, filename, NULL, NULL, BDRV_O_RDWR, &local_err);
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if (ret < 0) {
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error_propagate(errp, local_err);
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goto exit;
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@ -1807,7 +1807,7 @@ static int vmdk_create(const char *filename, QEMUOptionParameter *options,
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goto exit;
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}
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}
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ret = bdrv_file_open(&new_bs, filename, NULL, BDRV_O_RDWR, &local_err);
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ret = bdrv_file_open(&new_bs, filename, NULL, NULL, BDRV_O_RDWR, &local_err);
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if (ret < 0) {
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error_setg_errno(errp, -ret, "Could not write description");
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goto exit;
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