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Message-ID: <1445409598.5025.17.camel@themaw.net> Date: Wed, 21 Oct 2015 14:39:58 +0800 From: Ian Kent <raven@...maw.net> To: linux-kernel@...r.kernel.org Subject: [RFC] A couple of questions about the paged I/O sub system Hi all, I've been looking through some of the page reclaim code and at truncate_inode_pages(). I'm not familiar with the code and I'm struggling to understand it. One thing that is puzzling me right now is, if a file has pages that have been modified and are swapped out when pagevec_lookup_entries() is called will they be found? If not then how does truncate_inode_pages(_range)() handle waiting for these pages to be swapped back in to perform the writeback and truncation? Anyone, please? Ian -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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