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Date: Tue, 10 Aug 2021 23:07:22 +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 Subject: Re: [PATCH v14 089/138] mm/filemap: Add FGP_STABLE Matthew Wilcox (Oracle) <willy@...radead.org> wrote: > Allow filemap_get_folio() to wait for writeback to complete (if the > filesystem wants that behaviour). This is the folio equivalent of > grab_cache_page_write_begin(), which is moved into the folio-compat > file as a reminder to migrate all the code using it. This paves the > way for getting rid of AOP_FLAG_NOFS once grab_cache_page_write_begin() > is removed. > > Kernel grows by 11 bytes. filemap_get_folio() grows by 33 bytes but > grab_cache_page_write_begin() shrinks by 22 bytes to make up for it. > > Signed-off-by: Matthew Wilcox (Oracle) <willy@...radead.org> Reviewed-by: David Howells <dhowells@...hat.com>
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