ext[234]: cleanup ext[234]_bg_num_gdb()

Use ext[234]_bg_has_super() to remove duplicate code.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: <linux-ext4@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

3 files changed, 3 insertions, 14 deletions

diff --git a/fs/ext2/balloc.c b/fs/ext2/balloc.c
index f86207b345a9..e7b2bafa1dd9 100644
--- a/fs/ext2/balloc.c
+++ b/fs/ext2/balloc.c
@@ -1533,9 +1533,6 @@ int ext2_bg_has_super(struct super_block *sb, int group)
  */
 unsigned long ext2_bg_num_gdb(struct super_block *sb, int group)
 {
-        if (EXT2_HAS_RO_COMPAT_FEATURE(sb,EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER)&&
-            !ext2_group_sparse(group))
-                return 0;
-        return EXT2_SB(sb)->s_gdb_count;
+        return ext2_bg_has_super(sb, group) ? EXT2_SB(sb)->s_gdb_count : 0;
 }
 
diff --git a/fs/ext3/balloc.c b/fs/ext3/balloc.c
index 245949ead658..a75713031105 100644
--- a/fs/ext3/balloc.c
+++ b/fs/ext3/balloc.c
@@ -1848,11 +1848,7 @@ static unsigned long ext3_bg_num_gdb_meta(struct super_block *sb, int group)
 
 static unsigned long ext3_bg_num_gdb_nometa(struct super_block *sb, int group)
 {
-        if (EXT3_HAS_RO_COMPAT_FEATURE(sb,
-                                EXT3_FEATURE_RO_COMPAT_SPARSE_SUPER) &&
-                        !ext3_group_sparse(group))
-                return 0;
-        return EXT3_SB(sb)->s_gdb_count;
+        return ext3_bg_has_super(sb, group) ? EXT3_SB(sb)->s_gdb_count : 0;
 }
 
 /**
diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
index 7b42cc18ef8c..0737e05ba3dd 100644
--- a/fs/ext4/balloc.c
+++ b/fs/ext4/balloc.c
@@ -2011,11 +2011,7 @@ static unsigned long ext4_bg_num_gdb_meta(struct super_block *sb,
 static unsigned long ext4_bg_num_gdb_nometa(struct super_block *sb,
                                         ext4_group_t group)
 {
-        if (EXT4_HAS_RO_COMPAT_FEATURE(sb,
-                                EXT4_FEATURE_RO_COMPAT_SPARSE_SUPER) &&
-                        !ext4_group_sparse(group))
-                return 0;
-        return EXT4_SB(sb)->s_gdb_count;
+        return ext4_bg_has_super(sb, group) ? EXT4_SB(sb)->s_gdb_count : 0;
 }
 
 /**