2 files changed, 3 insertions, 3 deletions

diff --git a/fs/jfs/jfs_dtree.h b/fs/jfs/jfs_dtree.h
index 8561c6ecece0..cdac2d5bafeb 100644
--- a/fs/jfs/jfs_dtree.h
+++ b/fs/jfs/jfs_dtree.h
@@ -74,7 +74,7 @@ struct idtentry {
 #define DTIHDRDATALEN   11
 
 /* compute number of slots for entry */
-#define NDTINTERNAL(klen) ( ((4 + (klen)) + (15 - 1)) / 15 )
+#define NDTINTERNAL(klen) (DIV_ROUND_UP((4 + (klen)), 15))
 
 
 /*
@@ -133,7 +133,7 @@ struct dir_table_slot {
         ( ((s64)((dts)->addr1)) << 32 | __le32_to_cpu((dts)->addr2) )
 
 /* compute number of slots for entry */
-#define NDTLEAF_LEGACY(klen)    ( ((2 + (klen)) + (15 - 1)) / 15 )
+#define NDTLEAF_LEGACY(klen)    (DIV_ROUND_UP((2 + (klen)), 15))
 #define NDTLEAF NDTINTERNAL
 
 
diff --git a/fs/jfs/resize.c b/fs/jfs/resize.c
index 71984ee95346..7f24a0bb08ca 100644
--- a/fs/jfs/resize.c
+++ b/fs/jfs/resize.c
@@ -172,7 +172,7 @@ int jfs_extendfs(struct super_block *sb, s64 newLVSize, int newLogSize)
          */
         t64 = ((newLVSize - newLogSize + BPERDMAP - 1) >> L2BPERDMAP)
             << L2BPERDMAP;
-        t32 = ((t64 + (BITSPERPAGE - 1)) / BITSPERPAGE) + 1 + 50;
+        t32 = DIV_ROUND_UP(t64, BITSPERPAGE) + 1 + 50;
         newFSCKSize = t32 << sbi->l2nbperpage;
         newFSCKAddress = newLogAddress - newFSCKSize;