Commit d8bdc8da authored by Kent Overstreet's avatar Kent Overstreet
Browse files

bcachefs: Kill unnecessary bch2_dev_usage_read() 



bch2_dev_usage_read() is fairly expensive, we should optimize this more.

Signed-off-by: default avatarKent Overstreet <kent.overstreet@linux.dev>
parent 2adfa467

fs/bcachefs/alloc_foreground.c

+1 −1
Original line number Diff line number Diff line
@@ -631,7 +631,7 @@ static inline void bch2_dev_stripe_increment_inlined(struct bch_dev *ca, 
			       struct bch_dev_usage *usage)

{

	u64 *v = stripe->next_alloc + ca->dev_idx;

	u64 free_space = dev_buckets_available(ca, BCH_WATERMARK_normal);

	u64 free_space = __dev_buckets_available(ca, *usage, BCH_WATERMARK_normal);

	u64 free_space_inv = free_space

		? div64_u64(1ULL << 48, free_space)

		: 1ULL << 48;