+static int decode_sfu_inode(struct inode * inode, __u64 size,
+ const unsigned char *path,
+ struct cifs_sb_info *cifs_sb, int xid)
+{
+ int rc;
+ int oplock = FALSE;
+ __u16 netfid;
+ struct cifsTconInfo *pTcon = cifs_sb->tcon;
+ char buf[24];
+ unsigned int bytes_read;
+ char * pbuf;
+
+ pbuf = buf;
+
+ if(size == 0) {
+ inode->i_mode |= S_IFIFO;
+ return 0;
+ } else if (size < 8) {
+ return -EINVAL; /* EOPNOTSUPP? */
+ }
+
+ rc = CIFSSMBOpen(xid, pTcon, path, FILE_OPEN, GENERIC_READ,
+ CREATE_NOT_DIR, &netfid, &oplock, NULL,
+ cifs_sb->local_nls,
+ cifs_sb->mnt_cifs_flags &
+ CIFS_MOUNT_MAP_SPECIAL_CHR);
+ if (rc==0) {
+ /* Read header */
+ rc = CIFSSMBRead(xid, pTcon,
+ netfid,
+ 24 /* length */, 0 /* offset */,
+ &bytes_read, &pbuf);
+ if((rc == 0) && (bytes_read >= 8)) {
+ if(memcmp("IntxBLK", pbuf, 8) == 0) {
+ cFYI(1,("Block device"));
+ inode->i_mode |= S_IFBLK;
+ if(bytes_read == 24) {
+ /* we have enough to decode dev num */
+ __u64 mjr; /* major */
+ __u64 mnr; /* minor */
+ mjr = le64_to_cpu(*(__le64 *)(pbuf+8));
+ mnr = le64_to_cpu(*(__le64 *)(pbuf+16));
+ inode->i_rdev = MKDEV(mjr, mnr);
+ }
+ } else if(memcmp("IntxCHR", pbuf, 8) == 0) {
+ cFYI(1,("Char device"));
+ inode->i_mode |= S_IFCHR;
+ if(bytes_read == 24) {
+ /* we have enough to decode dev num */
+ __u64 mjr; /* major */
+ __u64 mnr; /* minor */
+ mjr = le64_to_cpu(*(__le64 *)(pbuf+8));
+ mnr = le64_to_cpu(*(__le64 *)(pbuf+16));
+ inode->i_rdev = MKDEV(mjr, mnr);
+ }
+ } else if(memcmp("IntxLNK", pbuf, 7) == 0) {
+ cFYI(1,("Symlink"));
+ inode->i_mode |= S_IFLNK;
+ } else {
+ inode->i_mode |= S_IFREG; /* file? */
+ rc = -EOPNOTSUPP;
+ }
+ } else {
+ inode->i_mode |= S_IFREG; /* then it is a file */
+ rc = -EOPNOTSUPP; /* or some unknown SFU type */
+ }
+ CIFSSMBClose(xid, pTcon, netfid);
+ }
+ return rc;
+
+}
+
+#define SFBITS_MASK (S_ISVTX | S_ISGID | S_ISUID) /* SETFILEBITS valid bits */
+
+static int get_sfu_uid_mode(struct inode * inode,
+ const unsigned char *path,
+ struct cifs_sb_info *cifs_sb, int xid)
+{
+#ifdef CONFIG_CIFS_XATTR
+ ssize_t rc;
+ char ea_value[4];
+ __u32 mode;
+
+ rc = CIFSSMBQueryEA(xid, cifs_sb->tcon, path, "SETFILEBITS",
+ ea_value, 4 /* size of buf */, cifs_sb->local_nls,
+ cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
+ if(rc < 0)
+ return (int)rc;
+ else if (rc > 3) {
+ mode = le32_to_cpu(*((__le32 *)ea_value));
+ inode->i_mode &= ~SFBITS_MASK;
+ cFYI(1,("special bits 0%o org mode 0%o", mode, inode->i_mode));
+ inode->i_mode = (mode & SFBITS_MASK) | inode->i_mode;
+ cFYI(1,("special mode bits 0%o", mode));
+ return 0;
+ } else {
+ return 0;
+ }
+#else
+ return -EOPNOTSUPP;
+#endif
+
+
+}
+