From 01a69402cf9d38ff180345d55c2ee51c7e89fbc7 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 18 May 2024 20:50:03 +0200 Subject: Adding upstream version 6.8.9. Signed-off-by: Daniel Baumann --- fs/bcachefs/alloc_background_format.h | 92 +++++++++++++++++++++++++++++++++++ 1 file changed, 92 insertions(+) create mode 100644 fs/bcachefs/alloc_background_format.h (limited to 'fs/bcachefs/alloc_background_format.h') diff --git a/fs/bcachefs/alloc_background_format.h b/fs/bcachefs/alloc_background_format.h new file mode 100644 index 000000000..b4ec20be9 --- /dev/null +++ b/fs/bcachefs/alloc_background_format.h @@ -0,0 +1,92 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _BCACHEFS_ALLOC_BACKGROUND_FORMAT_H +#define _BCACHEFS_ALLOC_BACKGROUND_FORMAT_H + +struct bch_alloc { + struct bch_val v; + __u8 fields; + __u8 gen; + __u8 data[]; +} __packed __aligned(8); + +#define BCH_ALLOC_FIELDS_V1() \ + x(read_time, 16) \ + x(write_time, 16) \ + x(data_type, 8) \ + x(dirty_sectors, 16) \ + x(cached_sectors, 16) \ + x(oldest_gen, 8) \ + x(stripe, 32) \ + x(stripe_redundancy, 8) + +enum { +#define x(name, _bits) BCH_ALLOC_FIELD_V1_##name, + BCH_ALLOC_FIELDS_V1() +#undef x +}; + +struct bch_alloc_v2 { + struct bch_val v; + __u8 nr_fields; + __u8 gen; + __u8 oldest_gen; + __u8 data_type; + __u8 data[]; +} __packed __aligned(8); + +#define BCH_ALLOC_FIELDS_V2() \ + x(read_time, 64) \ + x(write_time, 64) \ + x(dirty_sectors, 32) \ + x(cached_sectors, 32) \ + x(stripe, 32) \ + x(stripe_redundancy, 8) + +struct bch_alloc_v3 { + struct bch_val v; + __le64 journal_seq; + __le32 flags; + __u8 nr_fields; + __u8 gen; + __u8 oldest_gen; + __u8 data_type; + __u8 data[]; +} __packed __aligned(8); + +LE32_BITMASK(BCH_ALLOC_V3_NEED_DISCARD,struct bch_alloc_v3, flags, 0, 1) +LE32_BITMASK(BCH_ALLOC_V3_NEED_INC_GEN,struct bch_alloc_v3, flags, 1, 2) + +struct bch_alloc_v4 { + struct bch_val v; + __u64 journal_seq; + __u32 flags; + __u8 gen; + __u8 oldest_gen; + __u8 data_type; + __u8 stripe_redundancy; + __u32 dirty_sectors; + __u32 cached_sectors; + __u64 io_time[2]; + __u32 stripe; + __u32 nr_external_backpointers; + __u64 fragmentation_lru; +} __packed __aligned(8); + +#define BCH_ALLOC_V4_U64s_V0 6 +#define BCH_ALLOC_V4_U64s (sizeof(struct bch_alloc_v4) / sizeof(__u64)) + +BITMASK(BCH_ALLOC_V4_NEED_DISCARD, struct bch_alloc_v4, flags, 0, 1) +BITMASK(BCH_ALLOC_V4_NEED_INC_GEN, struct bch_alloc_v4, flags, 1, 2) +BITMASK(BCH_ALLOC_V4_BACKPOINTERS_START,struct bch_alloc_v4, flags, 2, 8) +BITMASK(BCH_ALLOC_V4_NR_BACKPOINTERS, struct bch_alloc_v4, flags, 8, 14) + +#define KEY_TYPE_BUCKET_GENS_BITS 8 +#define KEY_TYPE_BUCKET_GENS_NR (1U << KEY_TYPE_BUCKET_GENS_BITS) +#define KEY_TYPE_BUCKET_GENS_MASK (KEY_TYPE_BUCKET_GENS_NR - 1) + +struct bch_bucket_gens { + struct bch_val v; + u8 gens[KEY_TYPE_BUCKET_GENS_NR]; +} __packed __aligned(8); + +#endif /* _BCACHEFS_ALLOC_BACKGROUND_FORMAT_H */ -- cgit v1.2.3