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-rw-r--r--fs/ocfs2/refcounttree.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c
index 74db2be75dd6..5b64468de0b0 100644
--- a/fs/ocfs2/refcounttree.c
+++ b/fs/ocfs2/refcounttree.c
@@ -2945,7 +2945,7 @@ static int ocfs2_duplicate_clusters_by_page(handle_t *handle,
while (offset < end) {
page_index = offset >> PAGE_CACHE_SHIFT;
- map_end = (page_index + 1) << PAGE_CACHE_SHIFT;
+ map_end = ((loff_t)page_index + 1) << PAGE_CACHE_SHIFT;
if (map_end > end)
map_end = end;
@@ -3170,7 +3170,7 @@ static int ocfs2_cow_sync_writeback(struct super_block *sb,
while (offset < end) {
page_index = offset >> PAGE_CACHE_SHIFT;
- map_end = (page_index + 1) << PAGE_CACHE_SHIFT;
+ map_end = ((loff_t)page_index + 1) << PAGE_CACHE_SHIFT;
if (map_end > end)
map_end = end;