2 files changed, 4 insertions, 8 deletions

diff --git a/fs/ext2/super.c b/fs/ext2/super.c
index 255cef5f7420..6347c2dbdd81 100644
--- a/fs/ext2/super.c
+++ b/fs/ext2/super.c
@@ -597,8 +597,6 @@ static int ext2_check_descriptors (struct super_block * sb)
         return 1;
 }
 
-#define log2(n) ffz(~(n))
- 
 /*
  * Maximal file size.  There is a direct, and {,double-,triple-}indirect
  * block limit, and also a limit of (2^32 - 1) 512-byte sectors in i_blocks.
@@ -834,9 +832,9 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent)
         sbi->s_sbh = bh;
         sbi->s_mount_state = le16_to_cpu(es->s_state);
         sbi->s_addr_per_block_bits =
-                log2 (EXT2_ADDR_PER_BLOCK(sb));
+                ilog2 (EXT2_ADDR_PER_BLOCK(sb));
         sbi->s_desc_per_block_bits =
-                log2 (EXT2_DESC_PER_BLOCK(sb));
+                ilog2 (EXT2_DESC_PER_BLOCK(sb));
 
         if (sb->s_magic != EXT2_SUPER_MAGIC)
                 goto cantfind_ext2;
diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index 580b8a6ca979..b34886734a44 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -1347,8 +1347,6 @@ static void ext3_orphan_cleanup (struct super_block * sb,
         sb->s_flags = s_flags; /* Restore MS_RDONLY status */
 }
 
-#define log2(n) ffz(~(n))
-
 /*
  * Maximal file size.  There is a direct, and {,double-,triple-}indirect
  * block limit, and also a limit of (2^32 - 1) 512-byte sectors in i_blocks.
@@ -1597,8 +1595,8 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent)
         sbi->s_desc_per_block = blocksize / sizeof(struct ext3_group_desc);
         sbi->s_sbh = bh;
         sbi->s_mount_state = le16_to_cpu(es->s_state);
-        sbi->s_addr_per_block_bits = log2(EXT3_ADDR_PER_BLOCK(sb));
-        sbi->s_desc_per_block_bits = log2(EXT3_DESC_PER_BLOCK(sb));
+        sbi->s_addr_per_block_bits = ilog2(EXT3_ADDR_PER_BLOCK(sb));
+        sbi->s_desc_per_block_bits = ilog2(EXT3_DESC_PER_BLOCK(sb));
         for (i=0; i < 4; i++)
                 sbi->s_hash_seed[i] = le32_to_cpu(es->s_hash_seed[i]);
         sbi->s_def_hash_version = es->s_def_hash_version;