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bcachefs: Fix btree_node_type enum

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More forwards compatibility fixups: having BKEY_TYPE_btree at the end of
the enum conflicts with unnkown btree IDs, this shifts BKEY_TYPE_btree
to slot 0 and fixes things up accordingly.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2023-10-20 00:01:53 -04:00
parent 88dfe193bd
commit 50a38ca1ba
4 changed files with 41 additions and 29 deletions
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22
fs/bcachefs/bkey_methods.c
View File

@ -143,15 +143,20 @@ int bch2_bkey_val_invalid(struct bch_fs *c, struct bkey_s_c k,
}
static u64 bch2_key_types_allowed[] = {
#define x(name, nr, flags, keys) [BKEY_TYPE_##name] = BIT_ULL(KEY_TYPE_deleted)|keys,
BCH_BTREE_IDS()
#undef x
[BKEY_TYPE_btree] =
BIT_ULL(KEY_TYPE_deleted)|
BIT_ULL(KEY_TYPE_btree_ptr)|
BIT_ULL(KEY_TYPE_btree_ptr_v2),
#define x(name, nr, flags, keys) [BKEY_TYPE_##name] = BIT_ULL(KEY_TYPE_deleted)|keys,
BCH_BTREE_IDS()
#undef x
};
const char *bch2_btree_node_type_str(enum btree_node_type type)
{
return type == BKEY_TYPE_btree ? "internal btree node" : bch2_btree_id_str(type - 1);
}
int __bch2_bkey_invalid(struct bch_fs *c, struct bkey_s_c k,
enum btree_node_type type,
enum bkey_invalid_flags flags,
@ -162,10 +167,13 @@ int __bch2_bkey_invalid(struct bch_fs *c, struct bkey_s_c k,
return -BCH_ERR_invalid_bkey;
}
if (type >= BKEY_TYPE_NR)
return 0;
if (flags & BKEY_INVALID_COMMIT &&
!(bch2_key_types_allowed[type] & BIT_ULL(k.k->type))) {
prt_printf(err, "invalid key type for btree %s (%s)",
bch2_btree_id_str(type), bch2_bkey_types[k.k->type]);
bch2_btree_node_type_str(type), bch2_bkey_types[k.k->type]);
return -BCH_ERR_invalid_bkey;
}
@ -188,13 +196,15 @@ int __bch2_bkey_invalid(struct bch_fs *c, struct bkey_s_c k,
}
if (type != BKEY_TYPE_btree) {
if (!btree_type_has_snapshots((enum btree_id) type) &&
enum btree_id btree = type - 1;
if (!btree_type_has_snapshots(btree) &&
k.k->p.snapshot) {
prt_printf(err, "nonzero snapshot");
return -BCH_ERR_invalid_bkey;
}
if (btree_type_has_snapshots((enum btree_id) type) &&
if (btree_type_has_snapshots(btree) &&
!k.k->p.snapshot) {
prt_printf(err, "snapshot == 0");
return -BCH_ERR_invalid_bkey;

2
fs/bcachefs/btree_iter.h
View File

@ -411,7 +411,7 @@ static inline unsigned __bch2_btree_iter_flags(struct btree_trans *trans,
flags |= BTREE_ITER_ALL_SNAPSHOTS|__BTREE_ITER_ALL_SNAPSHOTS;
if (!(flags & (BTREE_ITER_ALL_SNAPSHOTS|BTREE_ITER_NOT_EXTENTS)) &&
btree_node_type_is_extents(btree_id))
btree_id_is_extents(btree_id))
flags |= BTREE_ITER_IS_EXTENTS;
if (!(flags & __BTREE_ITER_ALL_SNAPSHOTS) &&

11
fs/bcachefs/btree_trans_commit.c
View File

@ -379,7 +379,7 @@ static int run_one_mem_trigger(struct btree_trans *trans,
if (unlikely(flags & BTREE_TRIGGER_NORUN))
return 0;
if (!btree_node_type_needs_gc((enum btree_node_type) i->btree_id))
if (!btree_node_type_needs_gc(__btree_node_type(i->level, i->btree_id)))
return 0;
if (old_ops->atomic_trigger == new_ops->atomic_trigger &&
@ -776,12 +776,12 @@ static noinline void bch2_drop_overwrites_from_journal(struct btree_trans *trans
bch2_journal_key_overwritten(trans->c, wb->btree, 0, wb->k.k.p);
}
static noinline int bch2_trans_commit_bkey_invalid(struct btree_trans *trans, unsigned flags,
static noinline int bch2_trans_commit_bkey_invalid(struct btree_trans *trans,
enum bkey_invalid_flags flags,
struct btree_insert_entry *i,
struct printbuf *err)
{
struct bch_fs *c = trans->c;
int rw = (flags & BTREE_INSERT_JOURNAL_REPLAY) ? READ : WRITE;
printbuf_reset(err);
prt_printf(err, "invalid bkey on insert from %s -> %ps",
@ -792,8 +792,7 @@ static noinline int bch2_trans_commit_bkey_invalid(struct btree_trans *trans, un
bch2_bkey_val_to_text(err, c, bkey_i_to_s_c(i->k));
prt_newline(err);
bch2_bkey_invalid(c, bkey_i_to_s_c(i->k),
i->bkey_type, rw, err);
bch2_bkey_invalid(c, bkey_i_to_s_c(i->k), i->bkey_type, flags, err);
bch2_print_string_as_lines(KERN_ERR, err->buf);
bch2_inconsistent_error(c);
@ -1034,7 +1033,7 @@ int __bch2_trans_commit(struct btree_trans *trans, unsigned flags)
if (unlikely(bch2_bkey_invalid(c, bkey_i_to_s_c(i->k),
i->bkey_type, invalid_flags, &buf)))
ret = bch2_trans_commit_bkey_invalid(trans, flags, i, &buf);
ret = bch2_trans_commit_bkey_invalid(trans, invalid_flags, i, &buf);
btree_insert_entry_checks(trans, i);
printbuf_exit(&buf);

35
fs/bcachefs/btree_types.h
View File

@ -636,16 +636,17 @@ static inline unsigned bset_byte_offset(struct btree *b, void *i)
}
enum btree_node_type {
#define x(kwd, val, ...) BKEY_TYPE_##kwd = val,
BKEY_TYPE_btree,
#define x(kwd, val, ...) BKEY_TYPE_##kwd = val + 1,
BCH_BTREE_IDS()
#undef x
BKEY_TYPE_btree,
BKEY_TYPE_NR
};
/* Type of a key in btree @id at level @level: */
static inline enum btree_node_type __btree_node_type(unsigned level, enum btree_id id)
{
return level ? BKEY_TYPE_btree : (enum btree_node_type) id;
return level ? BKEY_TYPE_btree : (unsigned) id + 1;
}
/* Type of keys @b contains: */
@ -654,19 +655,21 @@ static inline enum btree_node_type btree_node_type(struct btree *b)
return __btree_node_type(b->c.level, b->c.btree_id);
}
const char *bch2_btree_node_type_str(enum btree_node_type);
#define BTREE_NODE_TYPE_HAS_TRANS_TRIGGERS \
(BIT(BKEY_TYPE_extents)| \
BIT(BKEY_TYPE_alloc)| \
BIT(BKEY_TYPE_inodes)| \
BIT(BKEY_TYPE_stripes)| \
BIT(BKEY_TYPE_reflink)| \
BIT(BKEY_TYPE_btree))
(BIT_ULL(BKEY_TYPE_extents)| \
BIT_ULL(BKEY_TYPE_alloc)| \
BIT_ULL(BKEY_TYPE_inodes)| \
BIT_ULL(BKEY_TYPE_stripes)| \
BIT_ULL(BKEY_TYPE_reflink)| \
BIT_ULL(BKEY_TYPE_btree))
#define BTREE_NODE_TYPE_HAS_MEM_TRIGGERS \
(BIT(BKEY_TYPE_alloc)| \
BIT(BKEY_TYPE_inodes)| \
BIT(BKEY_TYPE_stripes)| \
BIT(BKEY_TYPE_snapshots))
(BIT_ULL(BKEY_TYPE_alloc)| \
BIT_ULL(BKEY_TYPE_inodes)| \
BIT_ULL(BKEY_TYPE_stripes)| \
BIT_ULL(BKEY_TYPE_snapshots))
#define BTREE_NODE_TYPE_HAS_TRIGGERS \
(BTREE_NODE_TYPE_HAS_TRANS_TRIGGERS| \
@ -674,13 +677,13 @@ static inline enum btree_node_type btree_node_type(struct btree *b)
static inline bool btree_node_type_needs_gc(enum btree_node_type type)
{
return BTREE_NODE_TYPE_HAS_TRIGGERS & (1U << type);
return BTREE_NODE_TYPE_HAS_TRIGGERS & BIT_ULL(type);
}
static inline bool btree_node_type_is_extents(enum btree_node_type type)
{
const unsigned mask = 0
#define x(name, nr, flags, ...) |((!!((flags) & BTREE_ID_EXTENTS)) << nr)
#define x(name, nr, flags, ...) |((!!((flags) & BTREE_ID_EXTENTS)) << (nr + 1))
BCH_BTREE_IDS()
#undef x
;
@ -690,7 +693,7 @@ static inline bool btree_node_type_is_extents(enum btree_node_type type)
static inline bool btree_id_is_extents(enum btree_id btree)
{
return btree_node_type_is_extents((enum btree_node_type) btree);
return btree_node_type_is_extents(__btree_node_type(0, btree));
}
static inline bool btree_type_has_snapshots(enum btree_id id)