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bcachefs: Make __bch2_bkey_cmp_packed() smaller

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We can probably get rid of the version that dispatches based on type
checking too.

Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2019-11-07 15:03:09 -05:00 committed by Kent Overstreet
parent 6baf2730cc
commit fab4f8c653
1 changed files with 10 additions and 16 deletions
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26
fs/bcachefs/bkey.c
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@ -1061,26 +1061,20 @@ int __bch2_bkey_cmp_packed(const struct bkey_packed *l,
const struct bkey_packed *r,
const struct btree *b)
{
int packed = bkey_lr_packed(l, r);
struct bkey unpacked;
if (likely(packed == BKEY_PACKED_BOTH))
if (likely(bkey_packed(l) && bkey_packed(r)))
return __bch2_bkey_cmp_packed_format_checked(l, r, b);
switch (packed) {
case BKEY_PACKED_NONE:
return bkey_cmp(((struct bkey *) l)->p,
((struct bkey *) r)->p);
case BKEY_PACKED_LEFT:
return __bch2_bkey_cmp_left_packed_format_checked(b,
(struct bkey_packed *) l,
&((struct bkey *) r)->p);
case BKEY_PACKED_RIGHT:
return -__bch2_bkey_cmp_left_packed_format_checked(b,
(struct bkey_packed *) r,
&((struct bkey *) l)->p);
default:
unreachable();
if (bkey_packed(l)) {
__bkey_unpack_key_format_checked(b, &unpacked, l);
l = (void*) &unpacked;
} else if (bkey_packed(r)) {
__bkey_unpack_key_format_checked(b, &unpacked, r);
r = (void*) &unpacked;
}
return bkey_cmp(((struct bkey *) l)->p, ((struct bkey *) r)->p);
}
__pure __flatten