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bcachefs: Optimize bch2_journal_flush_seq_async()
Avoid taking the journal lock if we don't have to. Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com> Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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1 changed files with 9 additions and 1 deletions
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@ -552,7 +552,15 @@ int bch2_journal_flush_seq_async(struct journal *j, u64 seq,
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struct journal_buf *buf;
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int ret = 0;
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if (seq <= j->err_seq)
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return -EIO;
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if (seq <= j->seq_ondisk)
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return 1;
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spin_lock(&j->lock);
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/* Recheck under lock: */
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if (seq <= j->err_seq) {
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ret = -EIO;
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goto out;
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