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Diffstat (limited to 'fs/bcachefs/sb-members_format.h')
| -rw-r--r-- | fs/bcachefs/sb-members_format.h | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/fs/bcachefs/sb-members_format.h b/fs/bcachefs/sb-members_format.h deleted file mode 100644 index 2adf1221a440..000000000000 --- a/fs/bcachefs/sb-members_format.h +++ /dev/null @@ -1,121 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _BCACHEFS_SB_MEMBERS_FORMAT_H -#define _BCACHEFS_SB_MEMBERS_FORMAT_H - -/* - * We refer to members with bitmasks in various places - but we need to get rid - * of this limit: - */ -#define BCH_SB_MEMBERS_MAX 64 - -/* - * Sentinal value - indicates a device that does not exist - */ -#define BCH_SB_MEMBER_INVALID 255 - -#define BCH_MIN_NR_NBUCKETS (1 << 6) - -#define BCH_IOPS_MEASUREMENTS() \ - x(seqread, 0) \ - x(seqwrite, 1) \ - x(randread, 2) \ - x(randwrite, 3) - -enum bch_iops_measurement { -#define x(t, n) BCH_IOPS_##t = n, - BCH_IOPS_MEASUREMENTS() -#undef x - BCH_IOPS_NR -}; - -#define BCH_MEMBER_ERROR_TYPES() \ - x(read, 0) \ - x(write, 1) \ - x(checksum, 2) - -enum bch_member_error_type { -#define x(t, n) BCH_MEMBER_ERROR_##t = n, - BCH_MEMBER_ERROR_TYPES() -#undef x - BCH_MEMBER_ERROR_NR -}; - -struct bch_member { - __uuid_t uuid; - __le64 nbuckets; /* device size */ - __le16 first_bucket; /* index of first bucket used */ - __le16 bucket_size; /* sectors */ - __u8 btree_bitmap_shift; - __u8 pad[3]; - __le64 last_mount; /* time_t */ - - __le64 flags; - __le32 iops[4]; - __le64 errors[BCH_MEMBER_ERROR_NR]; - __le64 errors_at_reset[BCH_MEMBER_ERROR_NR]; - __le64 errors_reset_time; - __le64 seq; - __le64 btree_allocated_bitmap; - /* - * On recovery from a clean shutdown we don't normally read the journal, - * but we still want to resume writing from where we left off so we - * don't overwrite more than is necessary, for list journal debugging: - */ - __le32 last_journal_bucket; - __le32 last_journal_bucket_offset; -}; - -/* - * btree_allocated_bitmap can represent sector addresses of a u64: it itself has - * 64 elements, so 64 - ilog2(64) - */ -#define BCH_MI_BTREE_BITMAP_SHIFT_MAX 58 - -/* - * This limit comes from the bucket_gens array - it's a single allocation, and - * kernel allocation are limited to INT_MAX - */ -#define BCH_MEMBER_NBUCKETS_MAX (INT_MAX - 64) - -#define BCH_MEMBER_V1_BYTES 56 - -LE64_BITMASK(BCH_MEMBER_STATE, struct bch_member, flags, 0, 4) -/* 4-14 unused, was TIER, HAS_(META)DATA, REPLACEMENT */ -LE64_BITMASK(BCH_MEMBER_DISCARD, struct bch_member, flags, 14, 15) -LE64_BITMASK(BCH_MEMBER_DATA_ALLOWED, struct bch_member, flags, 15, 20) -LE64_BITMASK(BCH_MEMBER_GROUP, struct bch_member, flags, 20, 28) -LE64_BITMASK(BCH_MEMBER_DURABILITY, struct bch_member, flags, 28, 30) -LE64_BITMASK(BCH_MEMBER_FREESPACE_INITIALIZED, - struct bch_member, flags, 30, 31) - -#if 0 -LE64_BITMASK(BCH_MEMBER_NR_READ_ERRORS, struct bch_member, flags[1], 0, 20); -LE64_BITMASK(BCH_MEMBER_NR_WRITE_ERRORS,struct bch_member, flags[1], 20, 40); -#endif - -#define BCH_MEMBER_STATES() \ - x(rw, 0) \ - x(ro, 1) \ - x(failed, 2) \ - x(spare, 3) - -enum bch_member_state { -#define x(t, n) BCH_MEMBER_STATE_##t = n, - BCH_MEMBER_STATES() -#undef x - BCH_MEMBER_STATE_NR -}; - -struct bch_sb_field_members_v1 { - struct bch_sb_field field; - struct bch_member _members[]; //Members are now variable size -}; - -struct bch_sb_field_members_v2 { - struct bch_sb_field field; - __le16 member_bytes; //size of single member entry - u8 pad[6]; - struct bch_member _members[]; -}; - -#endif /* _BCACHEFS_SB_MEMBERS_FORMAT_H */ |
