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103 lines
2.4 KiB
C
103 lines
2.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _BCACHEFS_DATA_UPDATE_H
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#define _BCACHEFS_DATA_UPDATE_H
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#include "btree/bkey_buf.h"
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#include "btree/update.h"
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#include "data/read.h"
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#include "data/write_types.h"
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struct moving_context;
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#define BCH_DATA_UPDATE_TYPES() \
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x(other) \
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x(copygc) \
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x(reconcile) \
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x(promote) \
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x(self_heal) \
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x(scrub)
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enum bch_data_update_types {
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#define x(n) BCH_DATA_UPDATE_##n,
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BCH_DATA_UPDATE_TYPES()
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#undef x
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};
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struct data_update_opts {
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enum bch_data_update_types type;
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u8 ptrs_rewrite;
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u8 ptrs_io_error;
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u8 ptrs_kill;
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u8 ptrs_kill_ec;
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u8 extra_replicas;
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u16 target;
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int read_dev;
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bool checksum_paranoia;
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enum bch_write_flags write_flags;
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enum bch_trans_commit_flags commit_flags;
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};
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struct data_update {
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/* extent being updated: */
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enum btree_id btree_id;
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struct bkey_buf k;
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struct data_update_opts opts;
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bool read_done;
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u8 ptrs_held;
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/* associated with @ctxt */
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struct list_head read_list;
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struct list_head io_list;
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struct move_bucket *b;
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struct moving_context *ctxt;
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struct bch_move_stats *stats;
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struct bch_read_bio rbio;
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struct bch_write_op op;
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struct bio_vec *bvecs;
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};
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struct promote_op {
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struct rcu_head rcu;
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u64 start_time;
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#ifdef CONFIG_BCACHEFS_ASYNC_OBJECT_LISTS
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unsigned list_idx;
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#endif
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int cpu; /* for promote_limit */
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struct rhash_head hash;
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struct bpos pos;
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struct work_struct work;
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struct data_update write;
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struct bio_vec bi_inline_vecs[]; /* must be last */
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};
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void bch2_data_update_opts_to_text(struct printbuf *, struct bch_fs *,
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struct bch_inode_opts *, struct data_update_opts *);
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void bch2_data_update_to_text(struct printbuf *, struct data_update *);
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void bch2_data_update_inflight_to_text(struct printbuf *, struct data_update *);
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int bch2_data_update_index_update(struct bch_write_op *);
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void bch2_data_update_read_done(struct data_update *);
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struct bch_devs_list bch2_data_update_devs_keeping(struct bch_fs *,
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struct data_update_opts *,
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struct bkey_s_c);
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int bch2_can_do_write(struct bch_fs *, struct data_update_opts *,
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struct bkey_s_c, struct bch_devs_list *);
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void bch2_data_update_exit(struct data_update *, int);
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int bch2_data_update_init(struct btree_trans *, struct btree_iter *,
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struct moving_context *,
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struct data_update *,
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struct write_point_specifier,
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struct bch_inode_opts *, struct data_update_opts,
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enum btree_id, struct bkey_s_c);
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#endif /* _BCACHEFS_DATA_UPDATE_H */
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