[XFS] Export pagevec_lookup for use on the XFS page writeout path,

for dealing with delayed allocate and unwritten extents (as well).

Signed-off-by: Christoph Hellwig <hch@sgi.com>
Signed-off-by: Nathan Scott <nathans@sgi.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/mm/swap.c b/mm/swap.c
index ee6d71ccfa5..cbb48e721ab 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -384,6 +384,8 @@ unsigned pagevec_lookup(struct pagevec *pvec, struct address_space *mapping,
         return pagevec_count(pvec);
 }
 
+EXPORT_SYMBOL(pagevec_lookup);
+
 unsigned pagevec_lookup_tag(struct pagevec *pvec, struct address_space *mapping,
                 pgoff_t *index, int tag, unsigned nr_pages)
 {