- elimininate the system calls from filter obd

[fs/lustre-release.git] / lustre / osc / osc_request.c

diff --git a/lustre/osc/osc_request.c b/lustre/osc/osc_request.c
index c74462e..f1cfd3f 100644 (file)
--- a/lustre/osc/osc_request.c
+++ b/lustre/osc/osc_request.c
@@ -130,12 +130,12 @@ extern int osc_queue_wait(struct obd_conn *conn, struct ptlrpc_request *req)
        return 0;
 }
 
-void osc_free_req(struct ptlrpc_request *request)
+static void osc_free_req(struct ptlrpc_request *request)
 {
        kfree(request);
 }
 
-int osc_connect(struct obd_conn *conn)
+static int osc_connect(struct obd_conn *conn)
 {
        struct ptlrpc_request *request;
        int rc; 
@@ -165,7 +165,7 @@ int osc_connect(struct obd_conn *conn)
        return rc;
 }
 
-int osc_disconnect(struct obd_conn *conn)
+static int osc_disconnect(struct obd_conn *conn)
 {
        struct ptlrpc_request *request;
        int rc; 
@@ -192,7 +192,7 @@ int osc_disconnect(struct obd_conn *conn)
 }
 
 
-int osc_getattr(struct obd_conn *conn, struct obdo *oa)
+static int osc_getattr(struct obd_conn *conn, struct obdo *oa)
 {
        struct ptlrpc_request *request;
        int rc; 
@@ -224,7 +224,7 @@ int osc_getattr(struct obd_conn *conn, struct obdo *oa)
        return 0;
 }
 
-int osc_setattr(struct obd_conn *conn, struct obdo *oa)
+static int osc_setattr(struct obd_conn *conn, struct obdo *oa)
 {
        struct ptlrpc_request *request;
        int rc; 
@@ -250,7 +250,7 @@ int osc_setattr(struct obd_conn *conn, struct obdo *oa)
        return 0;
 }
 
-int osc_create(struct obd_conn *conn, struct obdo *oa)
+static int osc_create(struct obd_conn *conn, struct obdo *oa)
 {
        struct ptlrpc_request *request;
        int rc; 
@@ -281,6 +281,37 @@ int osc_create(struct obd_conn *conn, struct obdo *oa)
        return 0;
 }
 
+static int osc_destroy(struct obd_conn *conn, struct obdo *oa)
+{
+       struct ptlrpc_request *request;
+       int rc; 
+
+       if (!oa) { 
+               printk(__FUNCTION__ ": oa NULL\n"); 
+       }
+       request = ost_prep_req(OST_DESTROY, 0, NULL, 0, NULL);
+       if (!request) { 
+               printk("osc_connect: cannot pack req!\n"); 
+               return -ENOMEM;
+       }
+       
+       memcpy(&request->rq_req.ost->oa, oa, sizeof(*oa));
+       request->rq_req.ost->oa.o_valid = ~0;
+       request->rq_replen = 
+               sizeof(struct ptlrep_hdr) + sizeof(struct ost_rep);
+       
+       rc = osc_queue_wait(conn, request);
+       if (rc) { 
+               EXIT;
+               goto out;
+       }
+       memcpy(oa, &request->rq_rep.ost->oa, sizeof(*oa));
+
+ out:
+       osc_free_req(request);
+       return 0;
+}
+
 
 /* mount the file system (secretly) */
 static int osc_setup(struct obd_device *obddev, obd_count len,
@@ -423,6 +454,7 @@ struct obd_ops osc_obd_ops = {
        o_setup:   osc_setup,
        o_cleanup: osc_cleanup, 
        o_create: osc_create,
+       o_destroy: osc_destroy,
        o_getattr: osc_getattr,
        o_setattr: osc_setattr,
        o_connect: osc_connect,