#include "snapshot_format.h"
#include "subvolume_format.h"
#include "sb-counters_format.h"
+#include "sb-members_format.h"
enum bch_sb_field_type {
#define x(f, nr) BCH_SB_FIELD_##f = nr,
} d[];
};
-/* BCH_SB_FIELD_members_v1: */
-
-#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;
-};
-
-/*
- * 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[];
-};
/* BCH_SB_FIELD_crypt: */
#define bcachefs_metadata_version_current (bcachefs_metadata_version_max - 1)
#define BCH_SB_SECTOR 8
-#define BCH_SB_MEMBERS_MAX 64 /* XXX kill */
#define BCH_SB_LAYOUT_SIZE_BITS_MAX 16 /* 32 MB */
--- /dev/null
+/* 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
+
+#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;
+};
+
+/*
+ * 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 */
projects / linux-2.6-block.git / commitdiff