bcachefs: bch2_accounting_mem_gc()

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Add a new helper to free zeroed out accounting entries, and use it in
bch2_replicas_gc2(); bch2_replicas_gc2() was killing superblock replicas
entries if their corresponding accounting counters were nonzero, but
that's incorrect - the superblock replicas entry needs to exist if the
accounting entry exists, not if it's nonzero, because we check and
create the replicas entry when creating the new accounting entry - we
don't know when it's becoming nonzero.

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

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This commit is contained in:

Kent Overstreet 2024-06-06 13:48:54 -04:00

parent 2574e95a8b

commit f73e6bb6d6

3 changed files with 42 additions and 6 deletions

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32

fs/bcachefs/disk_accounting.c

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1

fs/bcachefs/disk_accounting.h

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15

fs/bcachefs/replicas.c

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