bochs: mark more functions as coroutine_fns and GRAPH_RDLOCK
Mark functions as coroutine_fn when they are only called by other coroutine_fns and they can suspend. Change calls to co_wrappers to use the non-wrapped functions, which in turn requires adding GRAPH_RDLOCK annotations. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-ID: <20230601115145.196465-5-pbonzini@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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@ -203,7 +203,8 @@ static void bochs_refresh_limits(BlockDriverState *bs, Error **errp)
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bs->bl.request_alignment = BDRV_SECTOR_SIZE; /* No sub-sector I/O */
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}
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static int64_t seek_to_sector(BlockDriverState *bs, int64_t sector_num)
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static int64_t coroutine_fn GRAPH_RDLOCK
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seek_to_sector(BlockDriverState *bs, int64_t sector_num)
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{
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BDRVBochsState *s = bs->opaque;
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uint64_t offset = sector_num * 512;
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@ -224,8 +225,8 @@ static int64_t seek_to_sector(BlockDriverState *bs, int64_t sector_num)
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(s->extent_blocks + s->bitmap_blocks));
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/* read in bitmap for current extent */
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ret = bdrv_pread(bs->file, bitmap_offset + (extent_offset / 8), 1,
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&bitmap_entry, 0);
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ret = bdrv_co_pread(bs->file, bitmap_offset + (extent_offset / 8), 1,
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&bitmap_entry, 0);
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if (ret < 0) {
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return ret;
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}
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