diff --git a/bsd-user/syscall_defs.h b/bsd-user/syscall_defs.h
index bd04b30a56..51d8ff0dd8 100644
--- a/bsd-user/syscall_defs.h
+++ b/bsd-user/syscall_defs.h
@@ -250,6 +250,70 @@ struct target_stat {
     uint64_t  st_spare[10];
 };
 
+
+/* struct nstat is the same as stat above but without the st_lspare field */
+struct target_freebsd11_nstat {
+    uint32_t  st_dev;       /* inode's device */
+    uint32_t  st_ino;       /* inode's number */
+    int16_t   st_mode;      /* inode protection mode */
+    int16_t   st_nlink;     /* number of hard links */
+    uint32_t  st_uid;       /* user ID of the file's owner */
+    uint32_t  st_gid;       /* group ID of the file's group */
+    uint32_t  st_rdev;      /* device type */
+    struct  target_freebsd_timespec st_atim; /* time last accessed */
+    struct  target_freebsd_timespec st_mtim; /* time last data modification */
+    struct  target_freebsd_timespec st_ctim; /* time last file status change */
+    int64_t    st_size;     /* file size, in bytes */
+    int64_t    st_blocks;   /* blocks allocated for file */
+    uint32_t   st_blksize;  /* optimal blocksize for I/O */
+    uint32_t   st_flags;    /* user defined flags for file */
+    uint32_t   st_gen;      /* file generation number */
+    struct target_freebsd_timespec st_birthtim; /* time of file creation */
+    /*
+     * Explicitly pad st_birthtim to 16 bytes so that the size of
+     * struct stat is backwards compatible.  We use bitfields instead
+     * of an array of chars so that this doesn't require a C99 compiler
+     * to compile if the size of the padding is 0.  We use 2 bitfields
+     * to cover up to 64 bits on 32-bit machines.  We assume that
+     * CHAR_BIT is 8...
+     */
+    unsigned int:(8 / 2) * (16 - (int)sizeof(struct target_freebsd_timespec));
+    unsigned int:(8 / 2) * (16 - (int)sizeof(struct target_freebsd_timespec));
+} __packed;
+
+/*
+ * sys/mount.h
+ */
+
+/* filesystem id type */
+typedef struct target_freebsd_fsid { int32_t val[2]; } target_freebsd_fsid_t;
+
+/* filesystem statistics */
+struct target_freebsd11_statfs {
+    uint32_t f_version; /* structure version number */
+    uint32_t f_type;    /* type of filesystem */
+    uint64_t f_flags;   /* copy of mount exported flags */
+    uint64_t f_bsize;   /* filesystem fragment size */
+    uint64_t f_iosize;  /* optimal transfer block size */
+    uint64_t f_blocks;  /* total data blocks in filesystem */
+    uint64_t f_bfree;   /* free blocks in filesystem */
+    int64_t  f_bavail;  /* free blocks avail to non-superuser */
+    uint64_t f_files;   /* total file nodes in filesystem */
+    int64_t  f_ffree;   /* free nodes avail to non-superuser */
+    uint64_t f_syncwrites;  /* count of sync writes since mount */
+    uint64_t f_asyncwrites; /* count of async writes since mount */
+    uint64_t f_syncreads;   /* count of sync reads since mount */
+    uint64_t f_asyncreads;  /* count of async reads since mount */
+    uint64_t f_spare[10];   /* unused spare */
+    uint32_t f_namemax; /* maximum filename length */
+    uint32_t f_owner;   /* user that mounted the filesystem */
+    target_freebsd_fsid_t   f_fsid; /* filesystem id */
+    char     f_charspare[80];           /* spare string space */
+    char     f_fstypename[16];   /* filesys type name */
+    char     f_mntfromname[88];    /* mount filesystem */
+    char     f_mntonname[88];      /* dir on which mounted*/
+};
+
 #define safe_syscall0(type, name) \
 type safe_##name(void) \
 { \