bcachefs: Fix ca->oldest_gen allocation

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The ca->oldest_gen array needs to be the same size as the bucket_gens
array; ca->mi.nbuckets is updated with only state_lock held, not
gc_lock, so bch2_gc_gens() could race with device resize and allocate
too small of an oldest_gens array.

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

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This commit is contained in:

Kent Overstreet 2023-10-20 12:24:36 -04:00

parent a1d97d8417

commit 253ba178c8

1 changed files with 2 additions and 4 deletions

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6

fs/bcachefs/btree_gc.c

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