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block: Mark bdrv_co_copy_range() GRAPH_RDLOCK
This adds GRAPH_RDLOCK annotations to declare that callers of bdrv_co_copy_range() need to hold a reader lock for the graph. Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com> Message-Id: <20230203152202.49054-15-kwolf@redhat.com> Reviewed-by: Emanuele Giuseppe Esposito <eesposit@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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10 changed files with 66 additions and 77 deletions
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@ -2041,7 +2041,9 @@ retry:
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if (s->ret == -EINPROGRESS) {
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if (copy_range) {
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ret = convert_co_copy_range(s, sector_num, n);
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WITH_GRAPH_RDLOCK_GUARD() {
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ret = convert_co_copy_range(s, sector_num, n);
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}
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if (ret) {
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s->copy_range = false;
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goto retry;
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