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c501fef6de
This is the start of reorganizing the data IO paths. The plan is to also break apart io.c into data_read.c and data_write.c, and migrate_write will be renamed to the data_update path. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
49 lines
956 B
C
49 lines
956 B
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 "io_types.h"
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enum data_cmd {
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DATA_SKIP,
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DATA_SCRUB,
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DATA_ADD_REPLICAS,
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DATA_REWRITE,
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DATA_PROMOTE,
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};
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struct data_opts {
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u16 target;
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u8 rewrite_dev;
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u8 nr_replicas;
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int btree_insert_flags;
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};
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struct data_update {
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enum btree_id btree_id;
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enum data_cmd data_cmd;
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struct data_opts data_opts;
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unsigned nr_ptrs_reserved;
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struct moving_context *ctxt;
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/* what we read: */
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struct bch_extent_ptr ptr;
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u64 offset;
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struct bch_write_op op;
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};
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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 *, struct bch_read_bio *);
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int bch2_data_update_init(struct bch_fs *, struct data_update *,
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struct write_point_specifier,
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struct bch_io_opts,
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enum data_cmd, struct data_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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