#include <linux/unistd.h>
 #include <linux/slab.h>
 #include <linux/major.h>
+#include <linux/magic.h>
 
 #include <linux/sunrpc/svc.h>
 #include <linux/nfsd/nfsd.h>
                struct super_block *sb = argp->fh.fh_dentry->d_inode->i_sb;
 
                /* Note that we don't care for remote fs's here */
-               if (sb->s_magic == 0x4d44 /* MSDOS_SUPER_MAGIC */) {
+               if (sb->s_magic == MSDOS_SUPER_MAGIC) {
                        resp->f_properties = NFS3_FSF_BILLYBOY;
                }
                resp->f_maxfilesize = sb->s_maxbytes;
                        resp->p_link_max = EXT2_LINK_MAX;
                        resp->p_name_max = EXT2_NAME_LEN;
                        break;
-               case 0x4d44:    /* MSDOS_SUPER_MAGIC */
+               case MSDOS_SUPER_MAGIC:
                        resp->p_case_insensitive = 1;
                        resp->p_case_preserving  = 0;
                        break;