diff options
Diffstat (limited to 'fs/cifs/ioctl.c')
| -rw-r--r-- | fs/cifs/ioctl.c | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/fs/cifs/ioctl.c b/fs/cifs/ioctl.c new file mode 100644 index 00000000..3e084558 --- /dev/null +++ b/fs/cifs/ioctl.c @@ -0,0 +1,96 @@ +/* + * 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" + +long cifs_ioctl(struct file *filep, unsigned int command, unsigned long arg) +{ + struct inode *inode = file_inode(filep); + int rc = -ENOTTY; /* strange error - but the precedent */ + unsigned 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 = get_xid(); + + cifs_dbg(FYI, "ioctl file %p cmd %u arg %lu\n", filep, command, arg); + + cifs_sb = CIFS_SB(inode->i_sb); + + switch (command) { +#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->fid.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->fid.netfid, + * extAttrBits, + * &ExtAttrMask); + */ + } + cifs_dbg(FYI, "set flags not implemented yet\n"); + break; +#endif /* CONFIG_CIFS_POSIX */ + default: + cifs_dbg(FYI, "unsupported ioctl\n"); + break; + } + + free_xid(xid); + return rc; +} |
