/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * Copyright (C) 2001, 2002 Cluster File Systems, Inc.
+ * Copyright (C) 2001-2003 Cluster File Systems, Inc.
*
* This file is part of Lustre, http://www.sf.net/projects/lustre/
*
* You should have received a copy of the GNU General Public License
* along with Lustre; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
*/
#define EXPORT_SYMTAB
#include <linux/obd_class.h>
#include <linux/lustre_mds.h>
+extern struct semaphore mdc_sem;
+
static int mdc_reint(struct ptlrpc_request *request, int level)
{
int rc;
- request->rq_level = level;
+ __u32 *opcodeptr = lustre_msg_buf(request->rq_reqmsg, 0);
- rc = ptlrpc_queue_wait(request);
- rc = ptlrpc_check_status(request, rc);
+ request->rq_level = level;
- if (rc)
- CERROR("error in handling %d\n", rc);
+ if (!(*opcodeptr == REINT_SETATTR))
+ mdc_get_rpc_lock(&mdc_rpc_lock, NULL);
+ rc = ptlrpc_queue_wait(request);
+ if (!(*opcodeptr == REINT_SETATTR))
+ mdc_put_rpc_lock(&mdc_rpc_lock, NULL);
+
+ if (rc) {
+ CDEBUG(D_INFO, "error in handling %d\n", rc);
+ } else {
+ /* For future resend/replays. */
+ *opcodeptr |= REINT_REPLAYING;
+ }
return rc;
}
-int mdc_setattr(struct lustre_handle *conn,
- struct inode *inode, struct iattr *iattr,
+int mdc_setattr(struct lustre_handle *conn, struct inode *inode,
+ struct iattr *iattr, void *ea, int ealen,
struct ptlrpc_request **request)
{
- struct mdc_obd *mdc = mdc_conn2mdc(conn);
- struct mds_rec_setattr *rec;
struct ptlrpc_request *req;
- int rc, size = sizeof(*rec);
+ struct mds_rec_setattr *rec;
+ int rc, bufcount = 1, size[2] = {sizeof(*rec), ealen};
ENTRY;
- req = ptlrpc_prep_req2(mdc->mdc_client, mdc->mdc_conn, &mdc->mdc_connh,
- MDS_REINT, 1, &size, NULL);
+ if (ealen > 0)
+ bufcount = 2;
+
+ req = ptlrpc_prep_req(class_conn2cliimp(conn), MDS_REINT, bufcount,
+ size, NULL);
if (!req)
RETURN(-ENOMEM);
- mds_setattr_pack(req, 0, inode, iattr, NULL, 0);
+ /* XXX FIXME bug 249 */
+ req->rq_request_portal = MDS_GETATTR_PORTAL;
+
+ mds_setattr_pack(req, inode, iattr, ea, ealen);
- size = sizeof(struct mds_body);
- req->rq_replen = lustre_msg_size(1, &size);
+ size[0] = sizeof(struct mds_body);
+ req->rq_replen = lustre_msg_size(1, size);
rc = mdc_reint(req, LUSTRE_CONN_FULL);
*request = req;
- if (rc == -ERESTARTSYS )
+ if (rc == -ERESTARTSYS)
rc = 0;
RETURN(rc);
}
-int mdc_create(struct lustre_handle *conn,
- struct inode *dir, const char *name, int namelen,
- const char *tgt, int tgtlen, int mode, __u32 uid,
- __u32 gid, __u64 time, __u64 rdev, struct lov_stripe_md *md,
+int mdc_create(struct lustre_handle *conn, struct inode *dir,
+ const char *name, int namelen, const void *data, int datalen,
+ int mode, __u32 uid, __u32 gid, __u64 time, __u64 rdev,
struct ptlrpc_request **request)
{
- struct mds_rec_create *rec;
- struct mdc_obd *mdc = mdc_conn2mdc(conn);
struct ptlrpc_request *req;
int rc, size[3] = {sizeof(struct mds_rec_create), namelen + 1, 0};
- char *tmp, *bufs[3] = {NULL, NULL, NULL};
int level, bufcount = 2;
ENTRY;
- if (S_ISREG(mode)) {
- if (!md) {
- CERROR("File create, but no md (%ld, %*s)\n",
- dir->i_ino, namelen, name);
- LBUG();
- }
- size[2] = md->lmd_size;
- bufs[2] = (char *)md;
- bufcount = 3;
- } else if (S_ISLNK(mode)) {
- size[2] = tgtlen + 1;
- bufcount = 3;
+ if (data && datalen) {
+ size[bufcount] = datalen;
+ bufcount++;
}
- req = ptlrpc_prep_req2(mdc->mdc_client, mdc->mdc_conn, &mdc->mdc_connh,
- MDS_REINT,
- bufcount, size, bufs);
+ req = ptlrpc_prep_req(class_conn2cliimp(conn), MDS_REINT, bufcount,
+ size, NULL);
if (!req)
RETURN(-ENOMEM);
- /* mds_create_pack fills bufs[1] with name */
- rec = lustre_msg_buf(req->rq_reqmsg, 0);
+ /* mds_create_pack fills msg->bufs[1] with name
+ * and msg->bufs[2] with tgt, for symlinks or lov MD data */
mds_create_pack(req, 0, dir, mode, rdev, uid, gid, time,
- name, namelen, NULL, 0);
-
- if (S_ISREG(mode)) {
- tmp = lustre_msg_buf(req->rq_reqmsg, 2);
- memcpy(tmp, md, md->lmd_size);
- } else if (S_ISLNK(mode)) {
- tmp = lustre_msg_buf(req->rq_reqmsg, 2);
- LOGL0(tgt, tgtlen, tmp);
- }
+ name, namelen, data, datalen);
size[0] = sizeof(struct mds_body);
req->rq_replen = lustre_msg_size(1, size);
level = LUSTRE_CONN_FULL;
resend:
rc = mdc_reint(req, level);
+ /* Resend if we were told to. */
if (rc == -ERESTARTSYS) {
- struct mds_update_record_hdr *hdr =
- lustre_msg_buf(req->rq_reqmsg, 0);
level = LUSTRE_CONN_RECOVD;
- CERROR("Lost reply: re-create rep.\n");
req->rq_flags = 0;
- hdr->ur_opcode = NTOH__u32(REINT_RECREATE);
goto resend;
}
+ if (!rc)
+ mdc_store_inode_generation(req, 0, 0);
+
*request = req;
RETURN(rc);
}
-int mdc_unlink(struct lustre_handle *conn,
- struct inode *dir, struct inode *child, const char *name,
- int namelen, struct ptlrpc_request **request)
+int mdc_unlink(struct lustre_handle *conn, struct inode *dir,
+ struct inode *child, __u32 mode, const char *name, int namelen,
+ struct ptlrpc_request **request)
{
- struct mdc_obd *mdc = mdc_conn2mdc(conn);
- struct ptlrpc_request *req;
+ struct obd_device *obddev = class_conn2obd(conn);
+ struct ptlrpc_request *req = *request;
int rc, size[2] = {sizeof(struct mds_rec_unlink), namelen + 1};
ENTRY;
- req = ptlrpc_prep_req2(mdc->mdc_client, mdc->mdc_conn, &mdc->mdc_connh,
- MDS_REINT, 2, size, NULL);
+ LASSERT(req == NULL);
+
+ req = ptlrpc_prep_req(class_conn2cliimp(conn), MDS_REINT, 2, size,
+ NULL);
if (!req)
RETURN(-ENOMEM);
-
- mds_unlink_pack(req, 0, dir, child, name, namelen);
+ *request = req;
size[0] = sizeof(struct mds_body);
- req->rq_replen = lustre_msg_size(1, size);
+ size[1] = obddev->u.cli.cl_max_mds_easize;
+ req->rq_replen = lustre_msg_size(2, size);
+
+ mds_unlink_pack(req, 0, dir, child, mode, name, namelen);
rc = mdc_reint(req, LUSTRE_CONN_FULL);
- *request = req;
- if (rc == -ERESTARTSYS )
+ if (rc == -ERESTARTSYS)
rc = 0;
-
RETURN(rc);
}
int mdc_link(struct lustre_handle *conn,
- struct dentry *src, struct inode *dir, const char *name,
+ struct inode *src, struct inode *dir, const char *name,
int namelen, struct ptlrpc_request **request)
{
- struct mdc_obd *mdc = mdc_conn2mdc(conn);
struct ptlrpc_request *req;
int rc, size[2] = {sizeof(struct mds_rec_link), namelen + 1};
ENTRY;
- req = ptlrpc_prep_req2(mdc->mdc_client, mdc->mdc_conn, &mdc->mdc_connh,
- MDS_REINT, 2, size, NULL);
+ req = ptlrpc_prep_req(class_conn2cliimp(conn), MDS_REINT, 2, size,
+ NULL);
if (!req)
RETURN(-ENOMEM);
- mds_link_pack(req, 0, src->d_inode, dir, name, namelen);
+ mds_link_pack(req, 0, src, dir, name, namelen);
size[0] = sizeof(struct mds_body);
req->rq_replen = lustre_msg_size(1, size);
rc = mdc_reint(req, LUSTRE_CONN_FULL);
*request = req;
- if (rc == -ERESTARTSYS )
+ if (rc == -ERESTARTSYS)
rc = 0;
RETURN(rc);
int oldlen, const char *new, int newlen,
struct ptlrpc_request **request)
{
- struct mdc_obd *mdc = mdc_conn2mdc(conn);
struct ptlrpc_request *req;
int rc, size[3] = {sizeof(struct mds_rec_rename), oldlen + 1,
newlen + 1};
ENTRY;
- req = ptlrpc_prep_req2(mdc->mdc_client, mdc->mdc_conn, &mdc->mdc_connh,
- MDS_REINT, 3, size, NULL);
+ req = ptlrpc_prep_req(class_conn2cliimp(conn), MDS_REINT, 3, size,
+ NULL);
if (!req)
RETURN(-ENOMEM);
rc = mdc_reint(req, LUSTRE_CONN_FULL);
*request = req;
- if (rc == -ERESTARTSYS )
+ if (rc == -ERESTARTSYS)
rc = 0;
RETURN(rc);