[CIFS] Add compat with SFU (part 1)

This should help the case of creating fifos and other special files to
servers which do not support the Unix extensions.

Signed-off-by: Steve French (sfrench@us.ibm.com)

Thanks to Martin Koeppe for his suggestions and good analysis

1 files changed, 11 insertions, 1 deletions

diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c
index 9360d8fb9ef7..0d5e27fec92b 100644
--- a/fs/cifs/dir.c
+++ b/fs/cifs/dir.c
@@ -209,7 +209,7 @@ cifs_create(struct inode *inode, struct dentry *direntry, int mode,
                                                 CIFS_MOUNT_MAP_SPECIAL_CHR);
                         }
                 else {
-                        /* BB implement via Windows security descriptors */
+                        /* BB implement mode setting via Windows security descriptors */
                         /* eg CIFSSMBWinSetPerms(xid,pTcon,full_path,mode,-1,-1,local_nls);*/
                         /* could set r/o dos attribute if mode & 0222 == 0 */
                 }
@@ -326,6 +326,16 @@ int cifs_mknod(struct inode *inode, struct dentry *direntry, int mode, dev_t dev
                         if(rc == 0)
                                 d_instantiate(direntry, newinode);
                 }
+        } else {
+                if((cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL) && 
+                        (special_file(mode))) {
+
+                        cFYI(1,("sfu compat create special file"));
+                        /*      Attributes = cpu_to_le32(ATTR_SYSTEM); 
+                                rc = CIFSSMBOpen(xid, pTcon, full_path, disposition, ...); */
+
+                        /* add code here to set EAs */
+                }
         }
 
         kfree(full_path);