From: Kent Overstreet Date: Wed, 12 Jul 2023 15:43:03 +0000 (-0400) Subject: bcachefs: Add a race_fault() for write buffer slowpath X-Git-Tag: io_uring-6.7-2023-11-10~119^2~201 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=d82978ca1593890a1b41eab6d06fe6e5950e4722;p=linux-block.git bcachefs: Add a race_fault() for write buffer slowpath We haven't hooked up dynamic fault injection quite yet, but we will soon Signed-off-by: Kent Overstreet --- diff --git a/fs/bcachefs/btree_write_buffer.c b/fs/bcachefs/btree_write_buffer.c index b50226313a47..6c30a72e6eee 100644 --- a/fs/bcachefs/btree_write_buffer.c +++ b/fs/bcachefs/btree_write_buffer.c @@ -129,6 +129,9 @@ int __bch2_btree_write_buffer_flush(struct btree_trans *trans, unsigned commit_f keys = wb->keys[s.idx]; nr = s.nr; + if (race_fault()) + goto slowpath; + /* * We first sort so that we can detect and skip redundant updates, and * then we attempt to flush in sorted btree order, as this is most