CIFS: Cleanup cifs open codepath

Rename CIFSSMBOpen to CIFS_open and make it take
cifs_open_parms structure as a parm.

Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru>
Signed-off-by: Steve French <smfrench@gmail.com>
diff --git a/fs/cifs/cifsacl.c b/fs/cifs/cifsacl.c
index 51f5e0e..8f9b4f7 100644
--- a/fs/cifs/cifsacl.c
+++ b/fs/cifs/cifsacl.c
@@ -895,9 +895,10 @@
 	int oplock = 0;
 	unsigned int xid;
 	int rc, create_options = 0;
-	__u16 fid;
 	struct cifs_tcon *tcon;
 	struct tcon_link *tlink = cifs_sb_tlink(cifs_sb);
+	struct cifs_fid fid;
+	struct cifs_open_parms oparms;
 
 	if (IS_ERR(tlink))
 		return ERR_CAST(tlink);
@@ -908,12 +909,19 @@
 	if (backup_cred(cifs_sb))
 		create_options |= CREATE_OPEN_BACKUP_INTENT;
 
-	rc = CIFSSMBOpen(xid, tcon, path, FILE_OPEN, READ_CONTROL,
-			create_options, &fid, &oplock, NULL, cifs_sb->local_nls,
-			cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
+	oparms.tcon = tcon;
+	oparms.cifs_sb = cifs_sb;
+	oparms.desired_access = READ_CONTROL;
+	oparms.create_options = create_options;
+	oparms.disposition = FILE_OPEN;
+	oparms.path = path;
+	oparms.fid = &fid;
+	oparms.reconnect = false;
+
+	rc = CIFS_open(xid, &oparms, &oplock, NULL);
 	if (!rc) {
-		rc = CIFSSMBGetCIFSACL(xid, tcon, fid, &pntsd, pacllen);
-		CIFSSMBClose(xid, tcon, fid);
+		rc = CIFSSMBGetCIFSACL(xid, tcon, fid.netfid, &pntsd, pacllen);
+		CIFSSMBClose(xid, tcon, fid.netfid);
 	}
 
 	cifs_put_tlink(tlink);
@@ -950,10 +958,11 @@
 	int oplock = 0;
 	unsigned int xid;
 	int rc, access_flags, create_options = 0;
-	__u16 fid;
 	struct cifs_tcon *tcon;
 	struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
 	struct tcon_link *tlink = cifs_sb_tlink(cifs_sb);
+	struct cifs_fid fid;
+	struct cifs_open_parms oparms;
 
 	if (IS_ERR(tlink))
 		return PTR_ERR(tlink);
@@ -969,18 +978,25 @@
 	else
 		access_flags = WRITE_DAC;
 
-	rc = CIFSSMBOpen(xid, tcon, path, FILE_OPEN, access_flags,
-			create_options, &fid, &oplock, NULL, cifs_sb->local_nls,
-			cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
+	oparms.tcon = tcon;
+	oparms.cifs_sb = cifs_sb;
+	oparms.desired_access = access_flags;
+	oparms.create_options = create_options;
+	oparms.disposition = FILE_OPEN;
+	oparms.path = path;
+	oparms.fid = &fid;
+	oparms.reconnect = false;
+
+	rc = CIFS_open(xid, &oparms, &oplock, NULL);
 	if (rc) {
 		cifs_dbg(VFS, "Unable to open file to set ACL\n");
 		goto out;
 	}
 
-	rc = CIFSSMBSetCIFSACL(xid, tcon, fid, pnntsd, acllen, aclflag);
+	rc = CIFSSMBSetCIFSACL(xid, tcon, fid.netfid, pnntsd, acllen, aclflag);
 	cifs_dbg(NOISY, "SetCIFSACL rc = %d\n", rc);
 
-	CIFSSMBClose(xid, tcon, fid);
+	CIFSSMBClose(xid, tcon, fid.netfid);
 out:
 	free_xid(xid);
 	cifs_put_tlink(tlink);