#include "cifs_unicode.h"
#include "cifs_debug.h"
+__u32 convert_to_cifs_notify_flags(unsigned long fcntl_notify_flags)
+{
+ __u32 cifs_ntfy_flags = 0;
+
+ /* No way on Linux VFS to ask to monitor xattr
+ changes (and no stream support either */
+ if(fcntl_notify_flags & DN_ACCESS) {
+ cifs_ntfy_flags |= FILE_NOTIFY_CHANGE_LAST_ACCESS;
+ }
+ if(fcntl_notify_flags & DN_MODIFY) {
+ /* What does this mean on directories? */
+ cifs_ntfy_flags |= FILE_NOTIFY_CHANGE_LAST_WRITE |
+ FILE_NOTIFY_CHANGE_SIZE;
+ }
+ if(fcntl_notify_flags & DN_CREATE) {
+ cifs_ntfy_flags |= FILE_NOTIFY_CHANGE_CREATION |
+ FILE_NOTIFY_CHANGE_LAST_WRITE;
+ }
+ if(fcntl_notify_flags & DN_DELETE) {
+ cifs_ntfy_flags |= FILE_NOTIFY_CHANGE_LAST_WRITE;
+ }
+ if(fcntl_notify_flags & DN_RENAME) {
+ /* BB review this - checking various server behaviors */
+ cifs_ntfy_flags |= FILE_NOTIFY_CHANGE_DIR_NAME |
+ FILE_NOTIFY_CHANGE_FILE_NAME;
+ }
+ if(fcntl_notify_flags & DN_ATTRIB) {
+ cifs_ntfy_flags |= FILE_NOTIFY_CHANGE_SECURITY |
+ FILE_NOTIFY_CHANGE_ATTRIBUTES;
+ }
+/* if(fcntl_notify_flags & DN_MULTISHOT) {
+ cifs_ntfy_flags |= ;
+ } */ /* BB fixme - not sure how to handle this with CIFS yet */
+
+
+ return cifs_ntfy_flags;
+}
+
int cifs_dir_notify(struct file * file, unsigned long arg)
{
int xid;
struct cifsTconInfo *pTcon;
char *full_path = NULL;
__u32 filter = FILE_NOTIFY_CHANGE_NAME | FILE_NOTIFY_CHANGE_ATTRIBUTES;
- __u16 netfid;
+ __u16 netfid;
xid = GetXid();
cifs_sb = CIFS_SB(file->f_dentry->d_sb);
if(full_path == NULL) {
rc = -ENOMEM;
} else {
- cFYI(1,("cifs dir notify on file %s",full_path));
+ cERROR(1,("cifs dir notify on file %s with arg 0x%lx",full_path,arg)); /* BB removeme BB */
rc = CIFSSMBOpen(xid, pTcon, full_path, FILE_OPEN,
GENERIC_READ | SYNCHRONIZE, 0 /* create options */,
&netfid, &oplock,NULL, cifs_sb->local_nls);
/* BB fixme - add this handle to a notify handle list */
if(rc) {
- cFYI(1,("Could not open directory for notify"));
+ cERROR(1,("Could not open directory for notify")); /* BB remove BB */
} else {
- rc = CIFSSMBNotify(xid, pTcon, 1 /* subdirs */, netfid,
- filter, cifs_sb->local_nls);
+ filter = convert_to_cifs_notify_flags(arg);
+ if(filter != 0) {
+ rc = CIFSSMBNotify(xid, pTcon, 0 /* no subdirs */, netfid,
+ filter, cifs_sb->local_nls);
+ } else {
+ rc = -EINVAL;
+ }
/* BB add code to close file eventually (at unmount
it would close automatically but may be a way
to do it easily when inode freed or when
notify info is cleared/changed */
+ cERROR(1,("notify rc %d",rc));
}
}