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bcachefs: extents no longer require special handling for packing

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Extent overwrite used to  be handled differently, underneath the
journaling layer and within the core btree code. This imposed
restrictions on bkey packing/packed formats, which no longer apply.

This patch deletes those restrictions.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2022-11-26 04:36:56 -05:00
parent e2fcf7f630
commit 6530d89e0a
2 changed files with 0 additions and 10 deletions
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9
fs/bcachefs/bkey.c
View File

@ -323,15 +323,6 @@ bool bch2_bkey_pack_key(struct bkey_packed *out, const struct bkey *in,
#define x(id, field) if (!set_inc_field(&state, id, in->field)) return false;
bkey_fields()
#undef x
/*
* Extents - we have to guarantee that if an extent is packed, a trimmed
* version will also pack:
*/
if (bkey_start_offset(in) <
le64_to_cpu(format->field_offset[BKEY_FIELD_OFFSET]))
return false;
pack_state_finish(&state, out);
out->u64s = format->key_u64s + in->u64s - BKEY_U64s;
out->format = KEY_FORMAT_LOCAL_BTREE;

1
fs/bcachefs/bkey.h
View File

@ -689,7 +689,6 @@ static inline void bch2_bkey_format_add_key(struct bkey_format_state *s, const s
#define x(id, field) __bkey_format_add(s, id, k->field);
bkey_fields()
#undef x
__bkey_format_add(s, BKEY_FIELD_OFFSET, bkey_start_offset(k));
}
void bch2_bkey_format_add_pos(struct bkey_format_state *, struct bpos);