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    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@google.com>
    Cc: Dan Magenheimer <dan.magenheimer@oracle.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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