ext4: le*_add_cpu conversion

replace all:
little_endian_variable = cpu_to_leX(leX_to_cpu(little_endian_variable) +
					expression_in_cpu_byteorder);
with:
	leX_add_cpu(&little_endian_variable, expression_in_cpu_byteorder);
generated with semantic patch

Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: linux-ext4@vger.kernel.org
Cc: sct@redhat.com
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: adilger@clusterfs.com
Cc: Mingming Cao <cmm@us.ibm.com>

1 files changed, 2 insertions, 5 deletions

diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index aaaccf5986f9..4865d318d7e1 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -3099,9 +3099,7 @@ ext4_mb_mark_diskspace_used(struct ext4_allocation_context *ac,
                                                 ac->ac_b_ex.fe_group,
                                                 gdp));
         }
-        gdp->bg_free_blocks_count =
-                cpu_to_le16(le16_to_cpu(gdp->bg_free_blocks_count)
-                                - ac->ac_b_ex.fe_len);
+        le16_add_cpu(&gdp->bg_free_blocks_count, -ac->ac_b_ex.fe_len);
         gdp->bg_checksum = ext4_group_desc_csum(sbi, ac->ac_b_ex.fe_group, gdp);
         spin_unlock(sb_bgl_lock(sbi, ac->ac_b_ex.fe_group));
         percpu_counter_sub(&sbi->s_freeblocks_counter, ac->ac_b_ex.fe_len);
@@ -4593,8 +4591,7 @@ do_more:
         }
 
         spin_lock(sb_bgl_lock(sbi, block_group));
-        gdp->bg_free_blocks_count =
-                cpu_to_le16(le16_to_cpu(gdp->bg_free_blocks_count) + count);
+        le16_add_cpu(&gdp->bg_free_blocks_count, count);
         gdp->bg_checksum = ext4_group_desc_csum(sbi, block_group, gdp);
         spin_unlock(sb_bgl_lock(sbi, block_group));
         percpu_counter_add(&sbi->s_freeblocks_counter, count);