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https://github.com/koverstreet/bcachefs-tools.git
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80 lines
1.5 KiB
C
80 lines
1.5 KiB
C
#ifndef _LIBBCACHE_H
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#define _LIBBCACHE_H
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#include <linux/uuid.h>
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#include <stdbool.h>
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#include "libbcachefs/bcachefs_format.h"
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#include "tools-util.h"
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#include "libbcachefs/vstructs.h"
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struct format_opts {
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char *label;
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uuid_le uuid;
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unsigned on_error_action;
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unsigned block_size;
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unsigned btree_node_size;
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unsigned encoded_extent_max;
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unsigned meta_replicas;
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unsigned data_replicas;
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unsigned meta_replicas_required;
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unsigned data_replicas_required;
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unsigned meta_csum_type;
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unsigned data_csum_type;
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unsigned compression_type;
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bool encrypted;
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char *passphrase;
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};
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static inline struct format_opts format_opts_default()
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{
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return (struct format_opts) {
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.on_error_action = BCH_ON_ERROR_RO,
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.encoded_extent_max = 128,
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.meta_csum_type = BCH_CSUM_OPT_CRC32C,
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.data_csum_type = BCH_CSUM_OPT_CRC32C,
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.meta_replicas = 1,
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.data_replicas = 1,
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.meta_replicas_required = 1,
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.data_replicas_required = 1,
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};
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}
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struct dev_opts {
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int fd;
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char *path;
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u64 size; /* 512 byte sectors */
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unsigned bucket_size;
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unsigned tier;
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unsigned data_allowed;
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bool discard;
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u64 nbuckets;
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u64 sb_offset;
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u64 sb_end;
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};
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static inline struct dev_opts dev_opts_default()
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{
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return (struct dev_opts) {
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.data_allowed = ~0U << 2,
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};
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}
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void bch2_pick_bucket_size(struct format_opts, struct dev_opts *);
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struct bch_sb *bch2_format(struct format_opts, struct dev_opts *, size_t);
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void bch2_super_write(int, struct bch_sb *);
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struct bch_sb *__bch2_super_read(int, u64);
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void bch2_super_print(struct bch_sb *, int);
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#endif /* _LIBBCACHE_H */
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