--- zzzz-none-000/linux-3.10.107/drivers/md/bcache/request.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/md/bcache/request.h	2021-02-04 17:41:59.000000000 +0000
@@ -1,62 +1,43 @@
 #ifndef _BCACHE_REQUEST_H_
 #define _BCACHE_REQUEST_H_
 
-#include <linux/cgroup.h>
-
-struct search {
-	/* Stack frame for bio_complete */
+struct data_insert_op {
 	struct closure		cl;
+	struct cache_set	*c;
+	struct bio		*bio;
+	struct workqueue_struct *wq;
+
+	unsigned		inode;
+	uint16_t		write_point;
+	uint16_t		write_prio;
+	short			error;
 
-	struct bcache_device	*d;
-	struct task_struct	*task;
-
-	struct bbio		bio;
-	struct bio		*orig_bio;
-	struct bio		*cache_miss;
-	unsigned		cache_bio_sectors;
-
-	unsigned		recoverable:1;
-	unsigned		unaligned_bvec:1;
-
-	unsigned		write:1;
-	unsigned		writeback:1;
+	union {
+		uint16_t	flags;
 
-	/* IO error returned to s->bio */
-	short			error;
-	unsigned long		start_time;
+	struct {
+		unsigned	bypass:1;
+		unsigned	writeback:1;
+		unsigned	flush_journal:1;
+		unsigned	csum:1;
+
+		unsigned	replace:1;
+		unsigned	replace_collision:1;
+
+		unsigned	insert_data_done:1;
+	};
+	};
 
-	/* Anything past op->keys won't get zeroed in do_bio_hook */
-	struct btree_op		op;
+	struct keylist		insert_keys;
+	BKEY_PADDED(replace_key);
 };
 
-void bch_cache_read_endio(struct bio *, int);
-int bch_get_congested(struct cache_set *);
-void bch_insert_data(struct closure *cl);
-void bch_btree_insert_async(struct closure *);
-void bch_cache_read_endio(struct bio *, int);
-
-void bch_open_buckets_free(struct cache_set *);
-int bch_open_buckets_alloc(struct cache_set *);
+unsigned bch_get_congested(struct cache_set *);
+void bch_data_insert(struct closure *cl);
 
 void bch_cached_dev_request_init(struct cached_dev *dc);
 void bch_flash_dev_request_init(struct bcache_device *d);
 
 extern struct kmem_cache *bch_search_cache, *bch_passthrough_cache;
 
-struct bch_cgroup {
-#ifdef CONFIG_CGROUP_BCACHE
-	struct cgroup_subsys_state	css;
-#endif
-	/*
-	 * We subtract one from the index into bch_cache_modes[], so that
-	 * default == -1; this makes it so the rest match up with d->cache_mode,
-	 * and we use d->cache_mode if cgrp->cache_mode < 0
-	 */
-	short				cache_mode;
-	bool				verify;
-	struct cache_stat_collector	stats;
-};
-
-struct bch_cgroup *bch_bio_to_cgroup(struct bio *bio);
-
 #endif /* _BCACHE_REQUEST_H_ */