bcachefs: bch2_trigger_alloc() handles state changes better

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bch2_trigger_alloc() kicks off certain tasks on bucket state changes;
e.g. triggering the bucket discard worker and the invalidate worker.

We've observed the discard worker running too often - most runs it
doesn't do any work, according to the tracepoint - so clearly, we're
kicking it off too often.

This adds an explicit statechange() macro to make these checks more
precise.

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

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This commit is contained in:

Kent Overstreet 2024-02-15 21:42:10 -05:00

parent b63570f747

commit 6e9d0558b1

1 changed files with 13 additions and 8 deletions

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fs/bcachefs/alloc_background.c

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