Messages in this thread | | | Date | Mon, 18 Sep 2023 11:36:02 -0700 | From | Luis Chamberlain <> | Subject | Re: [RFC 08/23] filemap: align the index to mapping_min_order in filemap_get_folios_tag() |
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On Fri, Sep 15, 2023 at 08:50:59PM +0100, Matthew Wilcox wrote: > On Fri, Sep 15, 2023 at 08:38:33PM +0200, Pankaj Raghav wrote: > > From: Luis Chamberlain <mcgrof@kernel.org> > > > > Align the index to the mapping_min_order number of pages while setting > > the XA_STATE in filemap_get_folios_tag(). > > ... because? It should already search backwards in the page cache, > otherwise calling sync_file_range() would skip the start if it landed > in a tail page of a folio.
Thanks! Will drop and verify!
Luis
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