bcachefs: Avoid flushing the journal in the discard path

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When issuing discards, we may need to flush the journal if there's too
many buckets that can't be discarded until a journal flush.

But the heuristic was bad; we should be comparing the number of buckets
that need to flushes against the number of free buckets, not the number
of buckets we saw.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

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Kent Overstreet 2024-01-15 17:56:22 -05:00

parent 189c176c5d

commit a6548c8b5e

1 changed files with 41 additions and 19 deletions

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fs/bcachefs/alloc_background.c

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