4 * vfs operations that deal with io control
6 * Copyright (C) International Business Machines Corp., 2005,2007
7 * Author(s): Steve French (sfrench@us.ibm.com)
9 * This library is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU Lesser General Public License as published
11 * by the Free Software Foundation; either version 2.1 of the License, or
12 * (at your option) any later version.
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
17 * the GNU Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public License
20 * along with this library; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 #include "cifsproto.h"
28 #include "cifs_debug.h"
31 #define CIFS_IOC_CHECKUMOUNT _IO(0xCF, 2)
33 long cifs_ioctl(struct file
*filep
, unsigned int command
, unsigned long arg
)
35 struct inode
*inode
= filep
->f_dentry
->d_inode
;
36 int rc
= -ENOTTY
; /* strange error - but the precedent */
38 struct cifs_sb_info
*cifs_sb
;
39 #ifdef CONFIG_CIFS_POSIX
40 __u64 ExtAttrBits
= 0;
41 __u64 ExtAttrMask
= 0;
43 struct cifsTconInfo
*tcon
;
44 struct cifsFileInfo
*pSMBFile
=
45 (struct cifsFileInfo
*)filep
->private_data
;
46 #endif /* CONFIG_CIFS_POSIX */
50 cFYI(1, ("ioctl file %p cmd %u arg %lu", filep
, command
, arg
));
52 cifs_sb
= CIFS_SB(inode
->i_sb
);
54 #ifdef CONFIG_CIFS_POSIX
57 caps
= le64_to_cpu(tcon
->fsUnixInfo
.Capability
);
63 #endif /* CONFIG_CIFS_POSIX */
66 case CIFS_IOC_CHECKUMOUNT
:
67 cFYI(1, ("User unmount attempted"));
68 if (cifs_sb
->mnt_uid
== current_uid())
72 cFYI(1, ("uids do not match"));
75 #ifdef CONFIG_CIFS_POSIX
77 if (CIFS_UNIX_EXTATTR_CAP
& caps
) {
80 rc
= CIFSGetExtAttr(xid
, tcon
, pSMBFile
->netfid
,
81 &ExtAttrBits
, &ExtAttrMask
);
83 rc
= put_user(ExtAttrBits
&
90 if (CIFS_UNIX_EXTATTR_CAP
& caps
) {
91 if (get_user(ExtAttrBits
, (int __user
*)arg
)) {
97 /* rc= CIFSGetExtAttr(xid,tcon,pSMBFile->netfid,
98 extAttrBits, &ExtAttrMask);*/
100 cFYI(1, ("set flags not implemented yet"));
102 #endif /* CONFIG_CIFS_POSIX */
104 cFYI(1, ("unsupported ioctl"));
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