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xfs: remove nr_to_write writeback windup.
Now that the background flush code has been fixed, we shouldn't need to silently multiply the wbc->nr_to_write to get good writeback. Remove that code. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -1381,14 +1381,6 @@ xfs_vm_writepage(
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if (!page_has_buffers(page))
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create_empty_buffers(page, 1 << inode->i_blkbits, 0);
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/*
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* VM calculation for nr_to_write seems off. Bump it way
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* up, this gets simple streaming writes zippy again.
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* To be reviewed again after Jens' writeback changes.
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*/
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wbc->nr_to_write *= 4;
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/*
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* Convert delayed allocate, unwritten or unmapped space
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* to real space and flush out to disk.
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