linux-kernel - [PATCH 1/14] mm: invalidate_mapping

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Message-ID: <alpine.LSU.2.00.1105301733500.5482@sister.anvils>
Date:	Mon, 30 May 2011 17:35:46 -0700 (PDT)
From:	Hugh Dickins <hughd@...gle.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
cc:	Dan Magenheimer <dan.magenheimer@...cle.com>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: [PATCH 1/14] mm: invalidate_mapping_pages flush cleancache

truncate_inode_pages_range() and invalidate_inode_pages2_range()
call cleancache_flush_inode(mapping) before and after: shouldn't
invalidate_mapping_pages() be doing the same?

Signed-off-by: Hugh Dickins <hughd@...gle.com>
Cc: Dan Magenheimer <dan.magenheimer@...cle.com>
---
 mm/truncate.c |    2 ++
 1 file changed, 2 insertions(+)

--- linux.orig/mm/truncate.c	2011-05-30 13:56:10.416798124 -0700
+++ linux/mm/truncate.c	2011-05-30 14:08:46.612547848 -0700
@@ -333,6 +333,7 @@ unsigned long invalidate_mapping_pages(s
 	unsigned long count = 0;
 	int i;
 
+	cleancache_flush_inode(mapping);
 	pagevec_init(&pvec, 0);
 	while (next <= end &&
 			pagevec_lookup(&pvec, mapping, next, PAGEVEC_SIZE)) {
@@ -373,6 +374,7 @@ unsigned long invalidate_mapping_pages(s
 		mem_cgroup_uncharge_end();
 		cond_resched();
 	}
+	cleancache_flush_inode(mapping);
 	return count;
 }
 EXPORT_SYMBOL(invalidate_mapping_pages);
--
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