bcachefs: Fix a race in btree_update_nodes_written()

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One btree update might have terminated in a node update, and then while
it is in flight another btree update might free that original node.

This race has to be handled in btree_update_nodes_written() - we were
missing a READ_ONCE().

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

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This commit is contained in:

Kent Overstreet 2024-04-10 12:53:28 -04:00

parent 9b31152fd7

commit beccf29114

1 changed files with 7 additions and 3 deletions

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fs/bcachefs/btree_update_interior.c

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