After commit 
978fef9 (create __ext4_insert_dentry for dir entry
insertion), 'reclen' is not used anymore.
Signed-off-by: Guo Chao <yan@linux.vnet.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
        const char      *name = dentry->d_name.name;
        int             namelen = dentry->d_name.len;
        unsigned int    blocksize = dir->i_sb->s_blocksize;
-       unsigned short  reclen;
        int             csum_size = 0;
        int             err;
 
                                       EXT4_FEATURE_RO_COMPAT_METADATA_CSUM))
                csum_size = sizeof(struct ext4_dir_entry_tail);
 
-       reclen = EXT4_DIR_REC_LEN(namelen);
        if (!de) {
                err = ext4_find_dest_de(dir, inode,
                                        bh, bh->b_data, blocksize - csum_size,