[PATCH] cifs: add support for chattr/lsattr in new CIFS POSIX extensions
Signed-off-by: Steve French (sfrench@us.ibm.com)
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/fs/cifs/ioctl.c b/fs/cifs/ioctl.c
index b4b8e20..7b84b2b 100644
--- a/fs/cifs/ioctl.c
+++ b/fs/cifs/ioctl.c
@@ -20,6 +20,7 @@
* 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 <linux/ext2_fs.h>
#include "cifspdu.h"
@@ -32,18 +33,63 @@
{
int rc = -ENOTTY; /* strange error - but the precedent */
#ifdef CONFIG_CIFS_POSIX
+ __u64 ExtAttrBits = 0;
+ __u64 ExtAttrMask = 0;
+ __u64 caps;
+#endif /* CONFIG_CIFS_POSIX */
+ int xid;
+ struct cifs_sb_info *cifs_sb;
+ struct cifsTconInfo *tcon;
+ struct cifsFileInfo *pSMBFile =
+ (struct cifsFileInfo *)filep->private_data;
+
+ xid = GetXid();
+
+ cifs_sb = CIFS_SB(inode->i_sb);
+ tcon = cifs_sb->tcon;
+ if (pSMBFile == NULL)
+ goto cifs_ioctl_out;
+
+#ifdef CONFIG_CIFS_POSIX
+ if(tcon)
+ caps = le64_to_cpu(tcon->fsUnixInfo.Capability);
+ else {
+ rc = -EIO;
+ goto cifs_ioctl_out;
+ }
+
cFYI(1,("ioctl file %p cmd %u arg %lu",filep,command,arg));
switch(command) {
case EXT2_IOC_GETFLAGS:
- cFYI(1,("get flags not implemented yet"));
- return -EOPNOTSUPP;
+ if(CIFS_UNIX_EXTATTR_CAP & caps) {
+ rc = CIFSGetExtAttr(xid, tcon, pSMBFile->netfid,
+ &ExtAttrBits, &ExtAttrMask);
+ if(rc == 0)
+ rc = put_user(ExtAttrBits &
+ EXT2_FL_USER_VISIBLE,
+ (int __user *)arg);
+ }
+ break;
+
case EXT2_IOC_SETFLAGS:
+ if(CIFS_UNIX_EXTATTR_CAP & caps) {
+ if(get_user(ExtAttrBits,(int __user *)arg)) {
+ rc = -EFAULT;
+ goto cifs_ioctl_out;
+ }
+ /* rc = CIFSGetExtAttr(xid, tcon, pSMBFile->netfid,
+ extAttrBits, &ExtAttrMask);*/
+
+ }
cFYI(1,("set flags not implemented yet"));
- return -EOPNOTSUPP;
+ break;
default:
cFYI(1,("unsupported ioctl"));
return rc;
}
#endif /* CONFIG_CIFS_POSIX */
+
+cifs_ioctl_out:
+ FreeXid(xid);
return rc;
}