xfs: bump up nr_to_write in xfs_vm_writepage
VM calculation for nr_to_write seems off. Bump it way up, this gets simple streaming writes zippy again. To be reviewed again after Jens' writeback changes. Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Cc: Chris Mason <chris.mason@oracle.com> Reviewed-by: Felix Blyakher <felixb@sgi.com> Signed-off-by: Felix Blyakher <felixb@sgi.com>
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@ -1268,6 +1268,14 @@ xfs_vm_writepage(
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if (!page_has_buffers(page))
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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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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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/*
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* Convert delayed allocate, unwritten or unmapped space
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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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* to real space and flush out to disk.
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