jbd2: Fix barrier fallback code to re-lock the buffer head
If the device doesn't support write barriers, the write is retried without ordered mode. But the buffer head needs to be re-locked or submit_bh will fail with on BUG(!buffer_locked(bh)). Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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@ -168,6 +168,7 @@ static int journal_submit_commit_record(journal_t *journal,
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spin_unlock(&journal->j_state_lock);
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/* And try again, without the barrier */
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lock_buffer(bh);
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set_buffer_uptodate(bh);
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set_buffer_dirty(bh);
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ret = submit_bh(WRITE, bh);
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