[CIFS] Change notify support part 2
Signed-off-by: Asser Ferno <asser@diku.dk>
Signed-off-by: Steve French <sfrench@us.ibm.com> and lightly modified
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 9a3c85b..92fba76 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -391,6 +391,20 @@
__u16 netfid;
};
+/* for pending dnotify requests */
+struct dir_notify_req {
+ struct list_head lhead;
+ __le16 Pid;
+ __le16 PidHigh;
+ __u16 Mid;
+ __u16 Tid;
+ __u16 Uid;
+ __u16 netfid;
+ __u32 filter; /* CompletionFilter (for multishot) */
+ int multishot;
+ struct dentry * dentry;
+};
+
#define MID_FREE 0
#define MID_REQUEST_ALLOCATED 1
#define MID_REQUEST_SUBMITTED 2
@@ -459,6 +473,9 @@
GLOBAL_EXTERN struct list_head GlobalOplock_Q;
+GLOBAL_EXTERN struct list_head GlobalDnotifyReqList; /* Outstanding dir notify requests */
+GLOBAL_EXTERN struct list_head GlobalDnotifyRsp_Q; /* Dir notify response queue */
+
/*
* Global transaction id (XID) information
*/
diff --git a/fs/cifs/cifspdu.h b/fs/cifs/cifspdu.h
index 42c16cf3..026c88f 100644
--- a/fs/cifs/cifspdu.h
+++ b/fs/cifs/cifspdu.h
@@ -53,6 +53,7 @@
#define SMB_COM_NT_TRANSACT 0xA0
#define SMB_COM_NT_TRANSACT_SECONDARY 0xA1
#define SMB_COM_NT_CREATE_ANDX 0xA2
+#define SMB_COM_NT_CANCEL 0xA4 /* no response */
#define SMB_COM_NT_RENAME 0xA5 /* trivial response */
/* Transact2 subcommand codes */
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index 698cdce..36d45b1 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -4015,6 +4015,22 @@
(struct smb_hdr *) pSMBr, &bytes_returned, -1);
if (rc) {
cFYI(1, ("Error in Notify = %d", rc));
+ } else {
+ /* Add file to outstanding requests */
+ dnotify_req = (struct dir_notify_req *) kmalloc(
+ sizeof(struct dir_notify_req), GFP_KERNEL);
+ dnotify_req->Pid = pSMB->hdr.Pid;
+ dnotify_req->PidHigh = pSMB->hdr.PidHigh;
+ dnotify_req->Mid = pSMB->hdr.Mid;
+ dnotify_req->Tid = pSMB->hdr.Tid;
+ dnotify_req->Uid = pSMB->hdr.Uid;
+ dnotify_req->netfid = netfid;
+ dnotify_req->dentry = dentry;
+ dnotify_req->filter = filter;
+ dnotify_req->multishot = multishot;
+ spin_lock(&GlobalMid_Lock);
+ list_add_tail(&dnotify_req->lhead, &GlobalDnotifyReqList);
+ spin_unlock(&GlobalMid_Lock);
}
cifs_buf_release(pSMB);
return rc;