NFS: Micro-optimisation for nfs_wb_page()
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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@ -1516,6 +1516,8 @@ int nfs_wb_page_priority(struct inode *inode, struct page *page, int how)
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if (ret < 0)
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goto out;
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}
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if (!PagePrivate(page))
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return 0;
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ret = nfs_sync_mapping_wait(page->mapping, &wbc, how);
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if (ret >= 0)
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return 0;
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