/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * Copryright (C) 2001 Cluster File Systems, Inc.
+ * Copryright (C) 2001, 2002 Cluster File Systems, Inc.
*
* This code is issued under the GNU General Public License.
* See the file COPYING in this distribution
*
* Author Peter Braam <braam@clusterfs.com>
- *
+ *
* This server is single threaded at present (but can easily be multi
* threaded). For testing and management it is treated as an
* obd_device, although it does not export a full OBD method table
* (the requests are coming in over the wire, so object target
* modules do not have a full method table.)
- *
+ *
*/
#define EXPORT_SYMTAB
#define DEBUG_SUBSYSTEM S_OSC
-#include <linux/obd_support.h>
#include <linux/obd_class.h>
#include <linux/lustre_lib.h>
-#include <linux/lustre_idl.h>
+#include <linux/lustre_net.h>
+#include <linux/obd_ost.h>
struct ptlrpc_client *osc_con2cl(struct obd_conn *conn)
{
- struct osc_obd *osc = &conn->oc_dev->u.osc;
- return &osc->osc_peer;
-
+ struct osc_obd *osc = &conn->oc_dev->u.osc;
+ return osc->osc_client;
}
static int osc_connect(struct obd_conn *conn)
{
- struct ptlrpc_request *request;
- struct ptlrpc_client *peer = osc_con2cl(conn);
- int rc;
- ENTRY;
-
- request = ptlrpc_prep_req(peer, OST_CONNECT, 0, NULL, 0, NULL);
- if (!request) {
- CERROR("cannot pack req!\n");
- return -ENOMEM;
- }
-
- request->rq_replen =
- sizeof(struct ptlrep_hdr) + sizeof(struct ost_rep);
-
- rc = ptlrpc_queue_wait(peer, request);
- if (rc) {
- EXIT;
- goto out;
- }
-
- CDEBUG(D_INODE, "received connid %d\n", request->rq_rep.ost->connid);
-
- conn->oc_id = request->rq_rep.ost->connid;
+ struct ptlrpc_request *request;
+ struct ptlrpc_client *cl = osc_con2cl(conn);
+ struct ost_body *body;
+ int rc, size = sizeof(*body);
+ ENTRY;
+
+ request = ptlrpc_prep_req(cl, OST_CONNECT, 0, NULL, NULL);
+ if (!request)
+ RETURN(-ENOMEM);
+
+ request->rq_replen = lustre_msg_size(1, &size);
+
+ rc = ptlrpc_queue_wait(cl, request);
+ if (rc)
+ GOTO(out, rc);
+
+ body = lustre_msg_buf(request->rq_repmsg, 0);
+ CDEBUG(D_INODE, "received connid %d\n", body->connid);
+
+ conn->oc_id = body->connid;
+ EXIT;
out:
- ptlrpc_free_req(request);
- EXIT;
- return rc;
+ ptlrpc_free_req(request);
+ return rc;
}
static int osc_disconnect(struct obd_conn *conn)
{
- struct ptlrpc_request *request;
- struct ptlrpc_client *peer = osc_con2cl(conn);
- int rc;
- ENTRY;
-
- request = ptlrpc_prep_req(peer, OST_DISCONNECT, 0, NULL, 0, NULL);
- if (!request) {
- CERROR("cannot pack req!\n");
- return -ENOMEM;
- }
- request->rq_req.ost->connid = conn->oc_id;
- request->rq_replen =
- sizeof(struct ptlrep_hdr) + sizeof(struct ost_rep);
-
- rc = ptlrpc_queue_wait(peer, request);
- if (rc) {
- EXIT;
- goto out;
- }
+ struct ptlrpc_request *request;
+ struct ptlrpc_client *cl = osc_con2cl(conn);
+ struct ost_body *body;
+ int rc, size = sizeof(*body);
+ ENTRY;
+
+ request = ptlrpc_prep_req(cl, OST_DISCONNECT, 1, &size, NULL);
+ if (!request)
+ RETURN(-ENOMEM);
+
+ body = lustre_msg_buf(request->rq_reqmsg, 0);
+ body->connid = conn->oc_id;
+
+ request->rq_replen = lustre_msg_size(1, &size);
+
+ rc = ptlrpc_queue_wait(cl, request);
+ GOTO(out, rc);
out:
- ptlrpc_free_req(request);
- EXIT;
- return rc;
+ ptlrpc_free_req(request);
+ return rc;
}
-
static int osc_getattr(struct obd_conn *conn, struct obdo *oa)
{
- struct ptlrpc_request *request;
- struct ptlrpc_client *peer = osc_con2cl(conn);
- int rc;
-
- request = ptlrpc_prep_req(peer, OST_GETATTR, 0, NULL, 0, NULL);
- if (!request) {
- CERROR("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 = ptlrpc_queue_wait(peer, request);
- if (rc) {
- EXIT;
- goto out;
- }
-
- CDEBUG(D_INODE, "mode: %o\n", request->rq_rep.ost->oa.o_mode);
- if (oa) {
- memcpy(oa, &request->rq_rep.ost->oa, sizeof(*oa));
- }
+ struct ptlrpc_request *request;
+ struct ptlrpc_client *cl = osc_con2cl(conn);
+ struct ost_body *body;
+ int rc, size = sizeof(*body);
+ ENTRY;
+
+ request = ptlrpc_prep_req(cl, OST_GETATTR, 1, &size, NULL);
+ if (!request)
+ RETURN(-ENOMEM);
+
+ body = lustre_msg_buf(request->rq_reqmsg, 0);
+ memcpy(&body->oa, oa, sizeof(*oa));
+ body->connid = conn->oc_id;
+ body->oa.o_valid = ~0;
+
+ request->rq_replen = lustre_msg_size(1, &size);
+
+ rc = ptlrpc_queue_wait(cl, request);
+ if (rc)
+ GOTO(out, rc);
+
+ body = lustre_msg_buf(request->rq_repmsg, 0);
+ CDEBUG(D_INODE, "mode: %o\n", body->oa.o_mode);
+ if (oa)
+ memcpy(oa, &body->oa, sizeof(*oa));
+
+ EXIT;
+ out:
+ ptlrpc_free_req(request);
+ return 0;
+}
+
+static int osc_open(struct obd_conn *conn, struct obdo *oa)
+{
+ struct ptlrpc_request *request;
+ struct ptlrpc_client *cl = osc_con2cl(conn);
+ struct ost_body *body;
+ int rc, size = sizeof(*body);
+ ENTRY;
+
+ request = ptlrpc_prep_req(cl, OST_OPEN, 1, &size, NULL);
+ if (!request)
+ RETURN(-ENOMEM);
+
+ body = lustre_msg_buf(request->rq_reqmsg, 0);
+ memcpy(&body->oa, oa, sizeof(*oa));
+ body->connid = conn->oc_id;
+ if (body->oa.o_valid != (OBD_MD_FLMODE | OBD_MD_FLID))
+ LBUG();
+
+ request->rq_replen = lustre_msg_size(1, &size);
+ rc = ptlrpc_queue_wait(cl, request);
+ if (rc)
+ GOTO(out, rc);
+
+ body = lustre_msg_buf(request->rq_repmsg, 0);
+ CDEBUG(D_INODE, "mode: %o\n", body->oa.o_mode);
+ if (oa)
+ memcpy(oa, &body->oa, sizeof(*oa));
+
+ EXIT;
out:
- ptlrpc_free_req(request);
- return 0;
+ ptlrpc_free_req(request);
+ return 0;
+}
+
+static int osc_close(struct obd_conn *conn, struct obdo *oa)
+{
+ struct ptlrpc_request *request;
+ struct ptlrpc_client *cl = osc_con2cl(conn);
+ struct ost_body *body;
+ int rc, size = sizeof(*body);
+ ENTRY;
+
+ request = ptlrpc_prep_req(cl, OST_CLOSE, 1, &size, NULL);
+ if (!request)
+ RETURN(-ENOMEM);
+
+ body = lustre_msg_buf(request->rq_reqmsg, 0);
+ memcpy(&body->oa, oa, sizeof(*oa));
+ body->connid = conn->oc_id;
+
+ request->rq_replen = lustre_msg_size(1, &size);
+
+ rc = ptlrpc_queue_wait(cl, request);
+ if (rc)
+ GOTO(out, rc);
+
+ body = lustre_msg_buf(request->rq_repmsg, 0);
+ CDEBUG(D_INODE, "mode: %o\n", body->oa.o_mode);
+ if (oa)
+ memcpy(oa, &body->oa, sizeof(*oa));
+
+ EXIT;
+ out:
+ ptlrpc_free_req(request);
+ return 0;
}
static int osc_setattr(struct obd_conn *conn, struct obdo *oa)
{
- struct ptlrpc_request *request;
- struct ptlrpc_client *peer = osc_con2cl(conn);
- int rc;
-
- request = ptlrpc_prep_req(peer, OST_SETATTR, 0, NULL, 0, NULL);
- if (!request) {
- CERROR("cannot pack req!\n");
- return -ENOMEM;
- }
-
- memcpy(&request->rq_req.ost->oa, oa, sizeof(*oa));
- request->rq_replen =
- sizeof(struct ptlrep_hdr) + sizeof(struct ost_rep);
-
- rc = ptlrpc_queue_wait(peer, request);
- if (rc) {
- EXIT;
- goto out;
- }
+ struct ptlrpc_request *request;
+ struct ptlrpc_client *cl = osc_con2cl(conn);
+ struct ost_body *body;
+ int rc, size = sizeof(*body);
+ ENTRY;
+
+ request = ptlrpc_prep_req(cl, OST_SETATTR, 1, &size, NULL);
+ if (!request)
+ RETURN(-ENOMEM);
+
+ body = lustre_msg_buf(request->rq_reqmsg, 0);
+ memcpy(&body->oa, oa, sizeof(*oa));
+ body->connid = conn->oc_id;
+
+ request->rq_replen = lustre_msg_size(1, &size);
+
+ rc = ptlrpc_queue_wait(cl, request);
+ GOTO(out, rc);
out:
- ptlrpc_free_req(request);
- return 0;
+ ptlrpc_free_req(request);
+ return 0;
}
static int osc_create(struct obd_conn *conn, struct obdo *oa)
{
- struct ptlrpc_request *request;
- struct ptlrpc_client *peer = osc_con2cl(conn);
- int rc;
-
- if (!oa) {
- CERROR("oa NULL\n");
- }
- request = ptlrpc_prep_req(peer, OST_CREATE, 0, NULL, 0, NULL);
- if (!request) {
- CERROR("cannot pack req!\n");
- return -ENOMEM;
- }
-
- memcpy(&request->rq_req.ost->oa, oa, sizeof(*oa));
- request->rq_req.ost->connid = conn->oc_id;
- request->rq_req.ost->oa.o_valid = ~0;
- request->rq_replen =
- sizeof(struct ptlrep_hdr) + sizeof(struct ost_rep);
-
- rc = ptlrpc_queue_wait(peer, request);
- if (rc) {
- EXIT;
- goto out;
- }
- memcpy(oa, &request->rq_rep.ost->oa, sizeof(*oa));
+ struct ptlrpc_request *request;
+ struct ptlrpc_client *cl = osc_con2cl(conn);
+ struct ost_body *body;
+ int rc, size = sizeof(*body);
+ ENTRY;
+
+ if (!oa) {
+ CERROR("oa NULL\n");
+ RETURN(-EINVAL);
+ }
+ request = ptlrpc_prep_req(cl, OST_CREATE, 1, &size, NULL);
+ if (!request)
+ RETURN(-ENOMEM);
+
+ body = lustre_msg_buf(request->rq_reqmsg, 0);
+ memcpy(&body->oa, oa, sizeof(*oa));
+ body->oa.o_valid = ~0;
+ body->connid = conn->oc_id;
+ request->rq_replen = lustre_msg_size(1, &size);
+
+ rc = ptlrpc_queue_wait(cl, request);
+ if (rc)
+ GOTO(out, rc);
+
+ body = lustre_msg_buf(request->rq_repmsg, 0);
+ memcpy(oa, &body->oa, sizeof(*oa));
+
+ EXIT;
out:
- ptlrpc_free_req(request);
- return 0;
+ ptlrpc_free_req(request);
+ return 0;
}
static int osc_punch(struct obd_conn *conn, struct obdo *oa, obd_size count,
obd_off offset)
{
- struct ptlrpc_request *request;
- struct ptlrpc_client *peer = osc_con2cl(conn);
- int rc;
-
- if (!oa) {
- CERROR("oa NULL\n");
- }
- request = ptlrpc_prep_req(peer, OST_PUNCH, 0, NULL, 0, NULL);
- if (!request) {
- CERROR("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_req.ost->oa.o_size = offset;
- request->rq_req.ost->oa.o_blocks = count;
- request->rq_replen =
- sizeof(struct ptlrep_hdr) + sizeof(struct ost_rep);
-
- rc = ptlrpc_queue_wait(peer, request);
- if (rc) {
- EXIT;
- goto out;
- }
- memcpy(oa, &request->rq_rep.ost->oa, sizeof(*oa));
+ struct ptlrpc_request *request;
+ struct ptlrpc_client *cl = osc_con2cl(conn);
+ struct ost_body *body;
+ int rc, size = sizeof(*body);
+ ENTRY;
+ if (!oa) {
+ CERROR("oa NULL\n");
+ RETURN(-EINVAL);
+ }
+ request = ptlrpc_prep_req(cl, OST_PUNCH, 1, &size, NULL);
+ if (!request)
+ RETURN(-ENOMEM);
+
+ body = lustre_msg_buf(request->rq_reqmsg, 0);
+ memcpy(&body->oa, oa, sizeof(*oa));
+ body->connid = conn->oc_id;
+ body->oa.o_valid = ~0;
+ body->oa.o_size = offset;
+ body->oa.o_blocks = count;
+
+ request->rq_replen = lustre_msg_size(1, &size);
+
+ rc = ptlrpc_queue_wait(cl, request);
+ if (rc)
+ GOTO(out, rc);
+
+ body = lustre_msg_buf(request->rq_repmsg, 0);
+ memcpy(oa, &body->oa, sizeof(*oa));
+
+ EXIT;
out:
- ptlrpc_free_req(request);
- return 0;
+ ptlrpc_free_req(request);
+ return 0;
}
static int osc_destroy(struct obd_conn *conn, struct obdo *oa)
{
- struct ptlrpc_request *request;
- struct ptlrpc_client *peer = osc_con2cl(conn);
- int rc;
-
- if (!oa) {
- CERROR("oa NULL\n");
- }
- request = ptlrpc_prep_req(peer, OST_DESTROY, 0, NULL, 0, NULL);
- if (!request) {
- CERROR("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 = ptlrpc_queue_wait(peer, request);
- if (rc) {
- EXIT;
- goto out;
- }
- memcpy(oa, &request->rq_rep.ost->oa, sizeof(*oa));
+ struct ptlrpc_request *request;
+ struct ptlrpc_client *cl = osc_con2cl(conn);
+ struct ost_body *body;
+ int rc, size = sizeof(*body);
+ ENTRY;
+
+ if (!oa) {
+ CERROR("oa NULL\n");
+ RETURN(-EINVAL);
+ }
+ request = ptlrpc_prep_req(cl, OST_DESTROY, 1, &size, NULL);
+ if (!request)
+ RETURN(-ENOMEM);
+
+ body = lustre_msg_buf(request->rq_reqmsg, 0);
+ memcpy(&body->oa, oa, sizeof(*oa));
+ body->connid = conn->oc_id;
+ body->oa.o_valid = ~0;
+
+ request->rq_replen = lustre_msg_size(1, &size);
+
+ rc = ptlrpc_queue_wait(cl, request);
+ if (rc)
+ GOTO(out, rc);
+ body = lustre_msg_buf(request->rq_repmsg, 0);
+ memcpy(oa, &body->oa, sizeof(*oa));
+
+ EXIT;
out:
- ptlrpc_free_req(request);
- return 0;
+ ptlrpc_free_req(request);
+ return 0;
}
int osc_sendpage(struct obd_conn *conn, struct ptlrpc_request *req,
bulk->b_buf = (void *)(unsigned long)src->addr;
bulk->b_buflen = src->len;
bulk->b_xid = dst->xid;
- rc = ptlrpc_send_bulk(bulk, OSC_BULK_PORTAL);
+ rc = ptlrpc_send_bulk(bulk, OSC_BULK_PORTAL);
if (rc != 0) {
CERROR("send_bulk failed: %d\n", rc);
- BUG();
+ LBUG();
return rc;
}
wait_event_interruptible(bulk->b_waitq,
obd_count *oa_bufs, struct page **buf, obd_size *count,
obd_off *offset, obd_flag *flags)
{
- struct ptlrpc_client *cl = osc_con2cl(conn);
+ struct ptlrpc_client *cl = osc_con2cl(conn);
struct ptlrpc_request *request;
- int pages;
- int rc;
- struct obd_ioobj ioo;
- struct niobuf src;
- int size1, size2 = 0;
- void *ptr1, *ptr2;
- int i, j, n;
+ struct ost_body *body;
+ struct obd_ioobj ioo;
+ struct niobuf src;
+ int pages, rc, i, j, size[3] = {sizeof(*body)};
+ void *ptr1, *ptr2;
struct ptlrpc_bulk_desc **bulk;
+ ENTRY;
- size1 = num_oa * sizeof(ioo);
+ size[1] = num_oa * sizeof(ioo);
pages = 0;
- for (i = 0; i < num_oa; i++) {
- size2 += oa_bufs[i] * sizeof(src);
+ for (i = 0; i < num_oa; i++)
pages += oa_bufs[i];
- }
-
- /* We actually pack a _third_ buffer, with XIDs for bulk pages */
- size2 += pages * sizeof(__u32);
- request = ptlrpc_prep_req(cl, OST_BRW, size1, NULL, size2, NULL);
- if (!request) {
- CERROR("cannot pack req!\n");
- return -ENOMEM;
- }
- request->rq_req.ost->cmd = OBD_BRW_READ;
-
- OBD_ALLOC(bulk, pages * sizeof(struct ptlrpc_bulk_desc *));
- if (bulk == NULL) {
- CERROR("cannot alloc bulk desc vector\n");
- return -ENOMEM;
- }
- memset(bulk, 0, pages * sizeof(struct ptlrpc_bulk_desc *));
-
- n = 0;
- ptr1 = ost_req_buf1(request->rq_req.ost);
- ptr2 = ost_req_buf2(request->rq_req.ost);
- for (i = 0; i < num_oa; i++) {
- ost_pack_ioo(&ptr1, oa[i], oa_bufs[i]);
- for (j = 0; j < oa_bufs[i]; j++) {
- bulk[n] = ptlrpc_prep_bulk(&cl->cli_server);
- if (bulk[n] == NULL) {
- CERROR("cannot alloc bulk desc\n");
- rc = -ENOMEM;
- goto out;
- }
+ size[2] = pages * sizeof(src);
+
+ OBD_ALLOC(bulk, pages * sizeof(*bulk));
+ if (bulk == NULL)
+ RETURN(-ENOMEM);
+
+ request = ptlrpc_prep_req(cl, OST_BRW, 3, size, NULL);
+ if (!request)
+ GOTO(out, rc = -ENOMEM);
+
+ body = lustre_msg_buf(request->rq_reqmsg, 0);
+ body->data = OBD_BRW_READ;
+
+ ptr1 = lustre_msg_buf(request->rq_reqmsg, 1);
+ ptr2 = lustre_msg_buf(request->rq_reqmsg, 2);
+ for (pages = 0, i = 0; i < num_oa; i++) {
+ ost_pack_ioo(&ptr1, oa[i], oa_bufs[i]);
+ for (j = 0; j < oa_bufs[i]; j++, pages++) {
+ bulk[pages] = ptlrpc_prep_bulk(&cl->cli_server);
+ if (bulk[pages] == NULL)
+ GOTO(out, rc = -ENOMEM);
spin_lock(&cl->cli_lock);
- bulk[n]->b_xid = cl->cli_xid++;
+ bulk[pages]->b_xid = cl->cli_xid++;
spin_unlock(&cl->cli_lock);
- bulk[n]->b_buf = kmap(buf[n]);
- bulk[n]->b_buflen = PAGE_SIZE;
- bulk[n]->b_portal = OST_BULK_PORTAL;
- ost_pack_niobuf(&ptr2, bulk[n]->b_buf, offset[n],
- count[n], flags[n], bulk[n]->b_xid);
- n++;
- }
- }
- /* This is kinda silly--put the XIDs in the "third" buffer. */
- for (n = 0; n < pages; n++) {
- *(__u32 *)ptr2 = bulk[n]->b_xid;
- ptr2 = (char *)ptr2 + sizeof(__u32);
+ bulk[pages]->b_buf = kmap(buf[pages]);
+ bulk[pages]->b_buflen = PAGE_SIZE;
+ bulk[pages]->b_portal = OST_BULK_PORTAL;
+ ost_pack_niobuf(&ptr2, bulk[pages]->b_buf,
+ offset[pages], count[pages],
+ flags[pages], bulk[pages]->b_xid);
- rc = ptlrpc_register_bulk(bulk[n]);
- if (rc)
- goto out;
+ rc = ptlrpc_register_bulk(bulk[pages]);
+ if (rc)
+ GOTO(out, rc);
+ }
}
- request->rq_replen = sizeof(struct ptlrep_hdr) + sizeof(struct ost_rep);
+ request->rq_replen = lustre_msg_size(1, size);
rc = ptlrpc_queue_wait(cl, request);
+ GOTO(out, rc);
out:
/* FIXME: if we've called ptlrpc_wait_bulk but rc != 0, we need to
* abort those bulk listeners. */
- if (request->rq_rephdr)
- OBD_FREE(request->rq_rephdr, request->rq_replen);
- n = 0;
- for (i = 0; i < num_oa; i++) {
- for (j = 0; j < oa_bufs[i]; j++) {
- if (bulk[n] == NULL)
+ for (pages = 0, i = 0; i < num_oa; i++) {
+ for (j = 0; j < oa_bufs[i]; j++, pages++) {
+ if (bulk[pages] == NULL)
continue;
- kunmap(bulk[n]->b_buf);
- OBD_FREE(bulk[n], sizeof(struct ptlrpc_bulk_desc));
- n++;
+ kunmap(buf[pages]);
+ OBD_FREE(bulk[pages], sizeof(**bulk));
}
}
- OBD_FREE(bulk, pages * sizeof(struct ptlrpc_bulk_desc *));
+ OBD_FREE(bulk, pages * sizeof(*bulk));
ptlrpc_free_req(request);
return rc;
}
obd_count *oa_bufs, struct page **buf, obd_size *count,
obd_off *offset, obd_flag *flags)
{
- struct ptlrpc_client *cl = osc_con2cl(conn);
+ struct ptlrpc_client *cl = osc_con2cl(conn);
struct ptlrpc_request *request;
- struct obd_ioobj ioo;
- struct niobuf src;
- int pages, rc, i, j, n, size1, size2 = 0;
- void *ptr1, *ptr2, *reqbuf;
+ struct obd_ioobj ioo;
+ struct ost_body *body;
+ struct niobuf *src;
+ int pages, rc, i, j, size[3] = {sizeof(*body)};
+ void *ptr1, *ptr2;
+ ENTRY;
- size1 = num_oa * sizeof(ioo);
+ size[1] = num_oa * sizeof(ioo);
pages = 0;
- for (i = 0; i < num_oa; i++) {
- size2 += oa_bufs[i] * sizeof(src);
+ for (i = 0; i < num_oa; i++)
pages += oa_bufs[i];
- }
-
- request = ptlrpc_prep_req(cl, OST_BRW, size1, NULL, size2, NULL);
- if (!request) {
- CERROR("cannot pack req!\n");
- return -ENOMEM;
- }
- OBD_ALLOC(reqbuf, request->rq_reqlen);
- if (reqbuf == NULL) {
- CERROR("cannot make duplicate buffer\n");
- return -ENOMEM;
+ size[2] = pages * sizeof(*src);
+
+ OBD_ALLOC(src, size[2]);
+ if (!src)
+ RETURN(-ENOMEM);
+
+ request = ptlrpc_prep_req(cl, OST_BRW, 3, size, NULL);
+ if (!request)
+ RETURN(-ENOMEM);
+ body = lustre_msg_buf(request->rq_reqmsg, 0);
+ body->data = OBD_BRW_WRITE;
+
+ ptr1 = lustre_msg_buf(request->rq_reqmsg, 1);
+ ptr2 = lustre_msg_buf(request->rq_reqmsg, 2);
+ for (pages = 0, i = 0; i < num_oa; i++) {
+ ost_pack_ioo(&ptr1, oa[i], oa_bufs[i]);
+ for (j = 0; j < oa_bufs[i]; j++, pages++) {
+ ost_pack_niobuf(&ptr2, kmap(buf[pages]), offset[pages],
+ count[pages], flags[pages], 0);
+ }
}
- request->rq_req.ost->cmd = OBD_BRW_WRITE;
-
- n = 0;
- ptr1 = ost_req_buf1(request->rq_req.ost);
- ptr2 = ost_req_buf2(request->rq_req.ost);
- for (i = 0; i < num_oa; i++) {
- ost_pack_ioo(&ptr1, oa[i], oa_bufs[i]);
- for (j = 0; j < oa_bufs[i]; j++) {
- ost_pack_niobuf(&ptr2, kmap(buf[n]), offset[n],
- count[n], flags[n], 0);
- n++;
- }
- }
-
- memcpy(reqbuf, request->rq_reqbuf, request->rq_reqlen);
- request->rq_replen = sizeof(struct ptlrep_hdr) +
- sizeof(struct ost_rep) + pages * sizeof(struct niobuf);
- rc = ptlrpc_queue_wait(cl, request);
- if (rc) {
- EXIT;
- goto out;
- }
-
- ptr2 = ost_rep_buf2(request->rq_rep.ost);
- if (request->rq_rep.ost->buflen2 != n * sizeof(struct niobuf)) {
+ memcpy(src, lustre_msg_buf(request->rq_reqmsg, 2), size[2]);
+
+ size[1] = pages * sizeof(struct niobuf);
+ request->rq_replen = lustre_msg_size(2, size);
+
+ rc = ptlrpc_queue_wait(cl, request);
+ if (rc)
+ GOTO(out, rc);
+
+ ptr2 = lustre_msg_buf(request->rq_repmsg, 1);
+ if (ptr2 == NULL)
+ GOTO(out, rc = -EINVAL);
+
+ if (request->rq_repmsg->buflens[1] != pages * sizeof(struct niobuf)) {
CERROR("buffer length wrong (%d vs. %d)\n",
- request->rq_rep.ost->buflen2, n * sizeof(struct niobuf));
- EXIT;
- goto out;
+ request->rq_repmsg->buflens[1],
+ pages * sizeof(struct niobuf));
+ GOTO(out, rc = -EINVAL);
}
- n = 0;
- for (i = 0; i < num_oa; i++) {
- for (j = 0; j < oa_bufs[i]; j++) {
- struct niobuf *dst;
- src.addr = (__u64)(unsigned long)buf[n];
- src.len = count[n];
- ost_unpack_niobuf(&ptr2, &dst);
- osc_sendpage(conn, request, dst, &src);
- n++;
- }
- }
-
+ for (pages = 0, i = 0; i < num_oa; i++) {
+ for (j = 0; j < oa_bufs[i]; j++, pages++) {
+ struct niobuf *dst;
+ ost_unpack_niobuf(&ptr2, &dst);
+ osc_sendpage(conn, request, dst, &src[pages]);
+ }
+ }
+ OBD_FREE(src, size[2]);
out:
- if (request->rq_rephdr)
- OBD_FREE(request->rq_rephdr, request->rq_replen);
- n = 0;
- for (i = 0; i < num_oa; i++) {
- for (j = 0; j < oa_bufs[i]; j++) {
- kunmap(buf[n]);
- n++;
- }
- }
-
- ptlrpc_free_req(request);
- return 0;
+ for (pages = 0, i = 0; i < num_oa; i++)
+ for (j = 0; j < oa_bufs[i]; j++, pages++)
+ kunmap(buf[n]);
+
+ ptlrpc_free_req(request);
+ return 0;
}
int osc_brw(int rw, struct obd_conn *conn, obd_count num_oa,
- struct obdo **oa, obd_count *oa_bufs, struct page **buf,
- obd_size *count, obd_off *offset, obd_flag *flags)
+ struct obdo **oa, obd_count *oa_bufs, struct page **buf,
+ obd_size *count, obd_off *offset, obd_flag *flags)
{
- if (rw == OBD_BRW_READ) {
+ if (rw == OBD_BRW_READ)
return osc_brw_read(conn, num_oa, oa, oa_bufs, buf, count,
offset, flags);
- } else {
+ else
return osc_brw_write(conn, num_oa, oa, oa_bufs, buf, count,
offset, flags);
- }
}
/* mount the file system (secretly) */
static int osc_setup(struct obd_device *obddev, obd_count len,
- void *buf)
-
+ void *buf)
+
{
- struct osc_obd *osc = &obddev->u.osc;
- struct obd_ioctl_data *data = (struct obd_ioctl_data *)buf;
- int rc;
- int dev = data->ioc_dev;
+ struct osc_obd *osc = &obddev->u.osc;
+ struct obd_ioctl_data *data = (struct obd_ioctl_data *)buf;
+ int rc;
+ int dev = data->ioc_dev;
ENTRY;
- rc = ptlrpc_connect_client(dev, "ost",
- OST_REQUEST_PORTAL,
- OSC_REPLY_PORTAL,
- ost_pack_req,
- ost_unpack_rep,
- &osc->osc_peer);
+ OBD_ALLOC(osc->osc_client, sizeof(*osc->osc_client));
+ if (osc->osc_client == NULL)
+ RETURN(-ENOMEM);
- MOD_INC_USE_COUNT;
- EXIT;
- return rc;
-}
+ ptlrpc_init_client(dev, OST_REQUEST_PORTAL, OSC_REPLY_PORTAL,
+ osc->osc_client);
+ rc = ptlrpc_connect_client(dev, "ost", osc->osc_client);
+
+ if (rc == 0)
+ MOD_INC_USE_COUNT;
+ RETURN(rc);
+}
static int osc_cleanup(struct obd_device * obddev)
{
+ struct osc_obd *osc = &obddev->u.osc;
+
+ if (osc->osc_client != NULL)
+ OBD_FREE(osc->osc_client, sizeof(*osc->osc_client));
+
MOD_DEC_USE_COUNT;
return 0;
}
-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,
- o_disconnect: osc_disconnect,
- o_brw: osc_brw,
- o_punch: osc_punch
+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_open: osc_open,
+ o_close: osc_close,
+ o_connect: osc_connect,
+ o_disconnect: osc_disconnect,
+ o_brw: osc_brw,
+ o_punch: osc_punch
};
static int __init osc_init(void)
{
obd_register_type(&osc_obd_ops, LUSTRE_OSC_NAME);
- return 0;
+ return 0;
}
static void __exit osc_exit(void)
{
- obd_unregister_type(LUSTRE_OSC_NAME);
+ obd_unregister_type(LUSTRE_OSC_NAME);
}
MODULE_AUTHOR("Peter J. Braam <braam@clusterfs.com>");
MODULE_DESCRIPTION("Lustre Object Storage Client (OSC) v1.0");
-MODULE_LICENSE("GPL");
+MODULE_LICENSE("GPL");
module_init(osc_init);
module_exit(osc_exit);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff