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| author | Kent Overstreet <kent.overstreet@gmail.com> | 2021-08-30 15:18:31 -0400 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2023-10-22 17:09:11 -0400 |
| commit | 807dda8c83620ab0fd1d93bbe8bdc4a289cbd045 (patch) | |
| tree | 5d922396c83f69dbe5ea8905956200b76060b99d /fs/bcachefs/bkey.h | |
| parent | 67e0dd8f0d8b4bf09098c4692abcb43a20089dff (diff) | |
| download | linux-807dda8c83620ab0fd1d93bbe8bdc4a289cbd045.tar.gz linux-807dda8c83620ab0fd1d93bbe8bdc4a289cbd045.tar.bz2 linux-807dda8c83620ab0fd1d93bbe8bdc4a289cbd045.zip | |
bcachefs: Kill bpos_diff() XXX check for perf regression
This improves the btree iterator lookup code by using
trans_for_each_iter_inorder().
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Diffstat (limited to 'fs/bcachefs/bkey.h')
| -rw-r--r-- | fs/bcachefs/bkey.h | 31 |
1 files changed, 0 insertions, 31 deletions
diff --git a/fs/bcachefs/bkey.h b/fs/bcachefs/bkey.h index 72b4267031d8..904ceb67a029 100644 --- a/fs/bcachefs/bkey.h +++ b/fs/bcachefs/bkey.h @@ -171,37 +171,6 @@ static inline struct bpos bpos_max(struct bpos l, struct bpos r) return bpos_cmp(l, r) > 0 ? l : r; } -#define sbb(a, b, borrow) \ -do { \ - typeof(a) d1, d2; \ - \ - d1 = a - borrow; \ - borrow = d1 > a; \ - \ - d2 = d1 - b; \ - borrow += d2 > d1; \ - a = d2; \ -} while (0) - -/* returns a - b: */ -static inline struct bpos bpos_sub(struct bpos a, struct bpos b) -{ - int borrow = 0; - - sbb(a.snapshot, b.snapshot, borrow); - sbb(a.offset, b.offset, borrow); - sbb(a.inode, b.inode, borrow); - return a; -} - -static inline struct bpos bpos_diff(struct bpos l, struct bpos r) -{ - if (bpos_cmp(l, r) > 0) - swap(l, r); - - return bpos_sub(r, l); -} - void bch2_bpos_swab(struct bpos *); void bch2_bkey_swab_key(const struct bkey_format *, struct bkey_packed *); |