bcachefs: Perf improvements for bch_alloc_read()

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On large filesystems reading in the alloc info takes a significant
amount of time. But we don't need to be calling into the fully general
bch2_mark_key() path, just open code what we need in
bch2_alloc_read_fn().

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

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Kent Overstreet 2020-10-16 21:32:02 -04:00 • committed by Kent Overstreet

parent 9f20ed157d

commit f3721e12d0

4 changed files with 24 additions and 9 deletions

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26

fs/bcachefs/alloc_background.c

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2

fs/bcachefs/btree_types.h

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4

fs/bcachefs/buckets.c

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1

fs/bcachefs/ec.c

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