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bcachefs: Kill unnecessary bch2_dev_usage_read()

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

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet
2025-03-24 09:50:37 -04:00
parent 2adfa46734
commit d8bdc8daac
1 changed files with 1 additions and 1 deletions
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fs/bcachefs/alloc_foreground.c
+1 -1
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@@ -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;