ext4: Convert s_blocks_count to s_blocks_count_lo

Convert s_blocks_count to s_blocks_count_lo
This helps in finding BUGs due to direct partial access of
these split 64 bit values

Also fix direct partial access in ext4 code

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index f9cb64c5010b..11e80f061cb2 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -2667,7 +2667,7 @@ static int ext4_statfs (struct dentry * dentry, struct kstatfs * buf)
 
         if (test_opt(sb, MINIX_DF)) {
                 sbi->s_overhead_last = 0;
-        } else if (sbi->s_blocks_last != le32_to_cpu(es->s_blocks_count)) {
+        } else if (sbi->s_blocks_last != ext4_blocks_count(es)) {
                 unsigned long ngroups = sbi->s_groups_count, i;
                 ext4_fsblk_t overhead = 0;
                 smp_rmb();
@@ -2702,7 +2702,7 @@ static int ext4_statfs (struct dentry * dentry, struct kstatfs * buf)
                 overhead += ngroups * (2 + sbi->s_itb_per_group);
                 sbi->s_overhead_last = overhead;
                 smp_wmb();
-                sbi->s_blocks_last = le32_to_cpu(es->s_blocks_count);
+                sbi->s_blocks_last = ext4_blocks_count(es);
         }
 
         buf->f_type = EXT4_SUPER_MAGIC;