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bcachefs: Fix journal getting stuck on a flush commit

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silly race

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2024-06-29 21:40:57 -04:00
parent a2d23f3d91
commit 0435773239
1 changed files with 6 additions and 4 deletions
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10
fs/bcachefs/journal_io.c
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@ -1762,11 +1762,13 @@ static CLOSURE_CALLBACK(journal_write_preflush)
if (j->seq_ondisk + 1 != le64_to_cpu(w->data->seq)) {
spin_lock(&j->lock);
closure_wait(&j->async_wait, cl);
if (j->seq_ondisk + 1 != le64_to_cpu(w->data->seq)) {
closure_wait(&j->async_wait, cl);
spin_unlock(&j->lock);
continue_at(cl, journal_write_preflush, j->wq);
return;
}
spin_unlock(&j->lock);
continue_at(cl, journal_write_preflush, j->wq);
return;
}
if (w->separate_flush) {