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block: Convert bdrv_get_info() to co_wrapper_mixed
bdrv_get_info() is categorized as an I/O function, and it currently doesn't run in a coroutine. We should let it take a graph rdlock since it traverses the block nodes graph, which however is only possible in a coroutine. Therefore turn it into a co_wrapper to move the actual function into a coroutine where the lock can be taken. Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com> Message-Id: <20230113204212.359076-11-kwolf@redhat.com> Reviewed-by: Emanuele Giuseppe Esposito <eesposit@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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18 changed files with 59 additions and 43 deletions
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@ -1161,7 +1161,8 @@ static void vhdx_block_translate(BDRVVHDXState *s, int64_t sector_num,
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}
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static int vhdx_get_info(BlockDriverState *bs, BlockDriverInfo *bdi)
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static int coroutine_fn
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vhdx_co_get_info(BlockDriverState *bs, BlockDriverInfo *bdi)
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{
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BDRVVHDXState *s = bs->opaque;
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@ -2245,7 +2246,7 @@ static BlockDriver bdrv_vhdx = {
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.bdrv_co_writev = vhdx_co_writev,
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.bdrv_co_create = vhdx_co_create,
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.bdrv_co_create_opts = vhdx_co_create_opts,
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.bdrv_get_info = vhdx_get_info,
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.bdrv_co_get_info = vhdx_co_get_info,
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.bdrv_co_check = vhdx_co_check,
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.bdrv_has_zero_init = vhdx_has_zero_init,
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