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Qu Wenruo authored
PAGE_CLEAR_DIRTY and PAGE_SET_WRITEBACK are two defines used in __process_pages_contig(), to let the function know to clear page dirty bit and then set page writeback. However page writeback and dirty bits are conflicting (at least for sector size == PAGE_SIZE case), this means these two have to be always updated together. This means we can merge PAGE_CLEAR_DIRTY and PAGE_SET_WRITEBACK to PAGE_START_WRITEBACK. Reviewed-by: Josef Bacik <josef@toxicpanda.com> Signed-off-by: Qu Wenruo <wqu@suse.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
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