add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/md/bcache/writeback.c
..
..
@@ -834,6 +834,16 @@
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 	if (ret < 0)
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 		pr_warn("sectors dirty init failed, ret=%d!\n", ret);
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+	/*
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+	 * The op may be added to cache_set's btree_cache_wait
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+	 * in mca_cannibalize(), must ensure it is removed from
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+	 * the list and release btree_cache_alloc_lock before
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+	 * free op memory.
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+	 * Otherwise, the btree_cache_wait will be damaged.
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+	 */
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+	bch_cannibalize_unlock(c);
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+	finish_wait(&c->btree_cache_wait, &(&op.op)->wait);
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+
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 	return ret;
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 }
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