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Date: Tue, 10 Aug 2021 22:18:17 +0100 From: David Howells <dhowells@...hat.com> To: "Matthew Wilcox (Oracle)" <willy@...radead.org> Cc: dhowells@...hat.com, linux-kernel@...r.kernel.org, linux-mm@...ck.org, linux-fsdevel@...r.kernel.org, Christoph Hellwig <hch@....de> Subject: Re: [PATCH v14 068/138] mm/writeback: Add folio_mark_dirty() Matthew Wilcox (Oracle) <willy@...radead.org> wrote: > Reimplement set_page_dirty() as a wrapper around folio_mark_dirty(). > There is no change to filesystems as they were already being called > with the compound_head of the page being marked dirty. We avoid > several calls to compound_head(), both statically (through > using folio_test_dirty() instead of PageDirty() and dynamically by > calling folio_mapping() instead of page_mapping(). > > Also return bool instead of int to show the range of values actually > returned, and add kernel-doc. > > Signed-off-by: Matthew Wilcox (Oracle) <willy@...radead.org> > Reviewed-by: Christoph Hellwig <hch@....de> Reviewed-by: David Howells <dhowells@...hat.com>
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