ext4 extents: remove unneeded casts

There are many casts in extents.c which are not needed,
as the variables are already the type of the cast, or
are being promoted for no particular reason in printk's.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Mingming Cao <cmm@us.ibm.com>
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 19d8059..6853722 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -374,7 +374,7 @@
 	struct ext4_extent_idx *r, *l, *m;
 
 
-	ext_debug("binsearch for %lu(idx):  ", (unsigned long)block);
+	ext_debug("binsearch for %u(idx):  ", block);
 
 	l = EXT_FIRST_INDEX(eh) + 1;
 	r = EXT_LAST_INDEX(eh);
@@ -440,7 +440,7 @@
 		return;
 	}
 
-	ext_debug("binsearch for %lu:  ", (unsigned long)block);
+	ext_debug("binsearch for %u:  ", block);
 
 	l = EXT_FIRST_EXTENT(eh) + 1;
 	r = EXT_LAST_EXTENT(eh);
@@ -766,7 +766,7 @@
 	while (k--) {
 		oldblock = newblock;
 		newblock = ablocks[--a];
-		bh = sb_getblk(inode->i_sb, (ext4_fsblk_t)newblock);
+		bh = sb_getblk(inode->i_sb, newblock);
 		if (!bh) {
 			err = -EIO;
 			goto cleanup;
@@ -786,9 +786,8 @@
 		fidx->ei_block = border;
 		ext4_idx_store_pblock(fidx, oldblock);
 
-		ext_debug("int.index at %d (block %llu): %lu -> %llu\n", i,
-				newblock, (unsigned long) le32_to_cpu(border),
-				oldblock);
+		ext_debug("int.index at %d (block %llu): %u -> %llu\n",
+				i, newblock, le32_to_cpu(border), oldblock);
 		/* copy indexes */
 		m = 0;
 		path[i].p_idx++;
@@ -1476,10 +1475,10 @@
 	} else if (block < le32_to_cpu(ex->ee_block)) {
 		lblock = block;
 		len = le32_to_cpu(ex->ee_block) - block;
-		ext_debug("cache gap(before): %lu [%lu:%lu]",
-				(unsigned long) block,
-				(unsigned long) le32_to_cpu(ex->ee_block),
-				(unsigned long) ext4_ext_get_actual_len(ex));
+		ext_debug("cache gap(before): %u [%u:%u]",
+				block,
+				le32_to_cpu(ex->ee_block),
+				 ext4_ext_get_actual_len(ex));
 	} else if (block >= le32_to_cpu(ex->ee_block)
 			+ ext4_ext_get_actual_len(ex)) {
 		ext4_lblk_t next;
@@ -1487,10 +1486,10 @@
 			+ ext4_ext_get_actual_len(ex);
 
 		next = ext4_ext_next_allocated_block(path);
-		ext_debug("cache gap(after): [%lu:%lu] %lu",
-				(unsigned long) le32_to_cpu(ex->ee_block),
-				(unsigned long) ext4_ext_get_actual_len(ex),
-				(unsigned long) block);
+		ext_debug("cache gap(after): [%u:%u] %u",
+				le32_to_cpu(ex->ee_block),
+				ext4_ext_get_actual_len(ex),
+				block);
 		BUG_ON(next == lblock);
 		len = next - lblock;
 	} else {
@@ -1498,7 +1497,7 @@
 		BUG();
 	}
 
-	ext_debug(" -> %lu:%lu\n", (unsigned long) lblock, len);
+	ext_debug(" -> %u:%lu\n", lblock, len);
 	ext4_ext_put_in_cache(inode, lblock, len, 0, EXT4_EXT_CACHE_GAP);
 }
 
@@ -1520,11 +1519,9 @@
 		ex->ee_block = cpu_to_le32(cex->ec_block);
 		ext4_ext_store_pblock(ex, cex->ec_start);
 		ex->ee_len = cpu_to_le16(cex->ec_len);
-		ext_debug("%lu cached by %lu:%lu:%llu\n",
-				(unsigned long) block,
-				(unsigned long) cex->ec_block,
-				(unsigned long) cex->ec_len,
-				cex->ec_start);
+		ext_debug("%u cached by %u:%u:%llu\n",
+				block,
+				cex->ec_block, cex->ec_len, cex->ec_start);
 		return cex->ec_type;
 	}
 
@@ -2145,9 +2142,8 @@
 	unsigned long allocated = 0;
 
 	__clear_bit(BH_New, &bh_result->b_state);
-	ext_debug("blocks %lu/%lu requested for inode %u\n",
-			(unsigned long) iblock, max_blocks,
-			(unsigned) inode->i_ino);
+	ext_debug("blocks %u/%lu requested for inode %u\n",
+			iblock, max_blocks, inode->i_ino);
 	mutex_lock(&EXT4_I(inode)->truncate_mutex);
 
 	/* check in cache */
@@ -2210,7 +2206,7 @@
 			newblock = iblock - ee_block + ee_start;
 			/* number of remaining blocks in the extent */
 			allocated = ee_len - (iblock - ee_block);
-			ext_debug("%d fit into %lu:%d -> %llu\n", (int) iblock,
+			ext_debug("%u fit into %lu:%d -> %llu\n", iblock,
 					ee_block, ee_len, newblock);
 
 			/* Do not put uninitialized extent in the cache */
@@ -2470,9 +2466,8 @@
 		if (!ret) {
 			ext4_error(inode->i_sb, "ext4_fallocate",
 				   "ext4_ext_get_blocks returned 0! inode#%lu"
-				   ", block=%lu, max_blocks=%lu",
-				   inode->i_ino, (unsigned long)block,
-				   (unsigned long)max_blocks);
+				   ", block=%u, max_blocks=%lu",
+				   inode->i_ino, block, max_blocks);
 			ret = -EIO;
 			ext4_mark_inode_dirty(handle, inode);
 			ret2 = ext4_journal_stop(handle);