Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso...
[~shefty/rdma-dev.git] / fs / ext4 / super.c
index 7265a0367476a87f0355b17c22b2488f65ec9a5f..80928f716850924cb34e7a591367cadf115fb95a 100644 (file)
@@ -143,9 +143,10 @@ int ext4_superblock_csum_verify(struct super_block *sb,
        return es->s_checksum == ext4_superblock_csum(sb, es);
 }
 
-void ext4_superblock_csum_set(struct super_block *sb,
-                             struct ext4_super_block *es)
+void ext4_superblock_csum_set(struct super_block *sb)
 {
+       struct ext4_super_block *es = EXT4_SB(sb)->s_es;
+
        if (!EXT4_HAS_RO_COMPAT_FEATURE(sb,
                EXT4_FEATURE_RO_COMPAT_METADATA_CSUM))
                return;
@@ -1963,7 +1964,7 @@ static int ext4_fill_flex_info(struct super_block *sb)
                sbi->s_log_groups_per_flex = 0;
                return 1;
        }
-       groups_per_flex = 1 << sbi->s_log_groups_per_flex;
+       groups_per_flex = 1U << sbi->s_log_groups_per_flex;
 
        err = ext4_alloc_flex_bg_array(sb, sbi->s_groups_count);
        if (err)
@@ -4381,7 +4382,7 @@ static int ext4_commit_super(struct super_block *sb, int sync)
                cpu_to_le32(percpu_counter_sum_positive(
                                &EXT4_SB(sb)->s_freeinodes_counter));
        BUFFER_TRACE(sbh, "marking dirty");
-       ext4_superblock_csum_set(sb, es);
+       ext4_superblock_csum_set(sb);
        mark_buffer_dirty(sbh);
        if (sync) {
                error = sync_dirty_buffer(sbh);