xfs: tone down writepage/releasepage WARN_ONs
I recently ran into the issue fixed by "xfs: kill buffers over failed write ranges properly" which spams the log with lots of backtraces. Make debugging any issues like that easier by using WARN_ON_ONCE in the writeback code. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Dave Chinner <david@fromorbit.com>
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@ -975,7 +975,7 @@ xfs_vm_writepage(
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* Given that we do not allow direct reclaim to call us, we should
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* never be called while in a filesystem transaction.
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*/
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if (WARN_ON(current->flags & PF_FSTRANS))
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if (WARN_ON_ONCE(current->flags & PF_FSTRANS))
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goto redirty;
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/* Is this page beyond the end of the file? */
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@ -1188,9 +1188,9 @@ xfs_vm_releasepage(
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xfs_count_page_state(page, &delalloc, &unwritten);
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if (WARN_ON(delalloc))
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if (WARN_ON_ONCE(delalloc))
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return 0;
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if (WARN_ON(unwritten))
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if (WARN_ON_ONCE(unwritten))
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return 0;
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return try_to_free_buffers(page);
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