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bcachefs: Fix bch2_journal_flush_device_pins()

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If a journal write errored, the list of devices it was written to could
be empty - we're not supposed to mark an empty replicas list.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2024-02-17 20:38:47 -05:00
parent b58b1b883b
commit 097471f9e4
1 changed files with 5 additions and 3 deletions
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8
fs/bcachefs/journal_reclaim.c
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@ -892,9 +892,11 @@ int bch2_journal_flush_device_pins(struct journal *j, int dev_idx)
journal_seq_pin(j, seq)->devs);
seq++;
spin_unlock(&j->lock);
ret = bch2_mark_replicas(c, &replicas.e);
spin_lock(&j->lock);
if (replicas.e.nr_devs) {
spin_unlock(&j->lock);
ret = bch2_mark_replicas(c, &replicas.e);
spin_lock(&j->lock);
}
}
spin_unlock(&j->lock);
err: