[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/os/linux/linux-3.4.x/fs/cifs/ioctl.c b/ap/os/linux/linux-3.4.x/fs/cifs/ioctl.c
new file mode 100644
index 0000000..4221b5e
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/fs/cifs/ioctl.c
@@ -0,0 +1,102 @@
+/*
+ * fs/cifs/ioctl.c
+ *
+ * vfs operations that deal with io control
+ *
+ * Copyright (C) International Business Machines Corp., 2005,2007
+ * Author(s): Steve French (sfrench@us.ibm.com)
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published
+ * by the Free Software Foundation; either version 2.1 of the License, or
+ * (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
+ * the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/fs.h>
+#include "cifspdu.h"
+#include "cifsglob.h"
+#include "cifsproto.h"
+#include "cifs_debug.h"
+#include "cifsfs.h"
+
+#define CIFS_IOC_CHECKUMOUNT _IO(0xCF, 2)
+
+long cifs_ioctl(struct file *filep, unsigned int command, unsigned long arg)
+{
+ struct inode *inode = filep->f_dentry->d_inode;
+ int rc = -ENOTTY; /* strange error - but the precedent */
+ int xid;
+ struct cifs_sb_info *cifs_sb;
+#ifdef CONFIG_CIFS_POSIX
+ struct cifsFileInfo *pSMBFile = filep->private_data;
+ struct cifs_tcon *tcon;
+ __u64 ExtAttrBits = 0;
+ __u64 ExtAttrMask = 0;
+ __u64 caps;
+#endif /* CONFIG_CIFS_POSIX */
+
+ xid = GetXid();
+
+ cFYI(1, "ioctl file %p cmd %u arg %lu", filep, command, arg);
+
+ cifs_sb = CIFS_SB(inode->i_sb);
+
+ switch (command) {
+ case CIFS_IOC_CHECKUMOUNT:
+ cFYI(1, "User unmount attempted");
+ if (cifs_sb->mnt_uid == current_uid())
+ rc = 0;
+ else {
+ rc = -EACCES;
+ cFYI(1, "uids do not match");
+ }
+ break;
+#ifdef CONFIG_CIFS_POSIX
+ case FS_IOC_GETFLAGS:
+ if (pSMBFile == NULL)
+ break;
+ tcon = tlink_tcon(pSMBFile->tlink);
+ caps = le64_to_cpu(tcon->fsUnixInfo.Capability);
+ if (CIFS_UNIX_EXTATTR_CAP & caps) {
+ rc = CIFSGetExtAttr(xid, tcon, pSMBFile->netfid,
+ &ExtAttrBits, &ExtAttrMask);
+ if (rc == 0)
+ rc = put_user(ExtAttrBits &
+ FS_FL_USER_VISIBLE,
+ (int __user *)arg);
+ }
+ break;
+
+ case FS_IOC_SETFLAGS:
+ if (pSMBFile == NULL)
+ break;
+ tcon = tlink_tcon(pSMBFile->tlink);
+ caps = le64_to_cpu(tcon->fsUnixInfo.Capability);
+ if (CIFS_UNIX_EXTATTR_CAP & caps) {
+ if (get_user(ExtAttrBits, (int __user *)arg)) {
+ rc = -EFAULT;
+ break;
+ }
+ /* rc= CIFSGetExtAttr(xid,tcon,pSMBFile->netfid,
+ extAttrBits, &ExtAttrMask);*/
+ }
+ cFYI(1, "set flags not implemented yet");
+ break;
+#endif /* CONFIG_CIFS_POSIX */
+ default:
+ cFYI(1, "unsupported ioctl");
+ break;
+ }
+
+ FreeXid(xid);
+ return rc;
+}