/* -*- 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/config.h>
-#include <linux/module.h>
-#include <linux/kernel.h>
-
+#ifndef EXPORT_SYMTAB
+# define EXPORT_SYMTAB
+#endif
#define DEBUG_SUBSYSTEM S_MDC
+#ifdef __KERNEL__
+# include <linux/config.h>
+# include <linux/module.h>
+# include <linux/kernel.h>
+#else
+# include <liblustre.h>
+#endif
+
#include <linux/obd_class.h>
#include <linux/lustre_mds.h>
+#include <linux/lustre_acl.h>
+#include "mdc_internal.h"
-static int mdc_reint(struct ptlrpc_request *request, int level)
+/* this function actually sends request to desired target. */
+static int mdc_reint(struct ptlrpc_request *request,
+ struct mdc_rpc_lock *rpc_lock,
+ int level)
{
int rc;
- request->rq_level = level;
+ request->rq_send_state = level;
+
+ if (rpc_lock)
+ mdc_get_rpc_lock(rpc_lock, NULL);
+
rc = ptlrpc_queue_wait(request);
- rc = ptlrpc_check_status(request, rc);
-
+
+ if (rpc_lock)
+ mdc_put_rpc_lock(rpc_lock, NULL);
if (rc)
- CERROR("error in handling %d\n", rc);
-
+ CDEBUG(D_INFO, "error in handling %d\n", rc);
+ else if (!lustre_swab_repbuf(request, 0, sizeof(struct mds_body),
+ lustre_swab_mds_body)) {
+ CERROR ("Can't unpack mds_body\n");
+ rc = -EPROTO;
+ }
return rc;
}
-int mdc_setattr(struct obd_conn *conn,
- struct inode *inode, struct iattr *iattr,
+/* If mdc_setattr is called with an 'iattr', then it is a normal RPC that should
+ * take the normal semaphore and go to the normal portal.
+ *
+ * If it is called with iattr->ia_valid & ATTR_FROM_OPEN, then it is a magic
+ * open-path setattr that should take the setattr semaphore and go to the
+ * setattr portal. */
+int mdc_setattr(struct obd_export *exp, struct mdc_op_data *data,
+ struct iattr *iattr, void *ea, int ealen, void *ea2,
+ int ea2len, void *ea3, int ea3len,
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;
+ struct mdc_rpc_lock *rpc_lock;
+ struct obd_device *obd = exp->exp_obd;
+ int rc, bufcount = 2, size[4] = {0, sizeof(*rec), ealen, ea2len};
ENTRY;
- req = ptlrpc_prep_req(mdc->mdc_client, mdc->mdc_conn,
- MDS_REINT, 1, &size, NULL);
- if (!req)
+ LASSERT(iattr != NULL);
+
+ size[0] = lustre_secdesc_size();
+ if (ealen > 0) {
+ bufcount++;
+ if (ea2len > 0)
+ bufcount++;
+ if (ea3len > 0)
+ bufcount++;
+ }
+
+ req = ptlrpc_prep_req(class_exp2cliimp(exp), LUSTRE_MDS_VERSION,
+ MDS_REINT, bufcount, size, NULL);
+ if (req == NULL)
RETURN(-ENOMEM);
- mds_setattr_pack(req, 0, inode, iattr, NULL, 0);
+ lustre_pack_secdesc(req, size[0]);
+
+ if (iattr->ia_valid & ATTR_FROM_OPEN) {
+ req->rq_request_portal = MDS_SETATTR_PORTAL; //XXX FIXME bug 249
+ rpc_lock = obd->u.cli.cl_setattr_lock;
+ } else {
+ rpc_lock = obd->u.cli.cl_rpc_lock;
+ }
+
+ if (iattr->ia_valid & (ATTR_MTIME | ATTR_CTIME))
+ CDEBUG(D_INODE, "setting mtime %lu, ctime %lu\n",
+ LTIME_S(iattr->ia_mtime), LTIME_S(iattr->ia_ctime));
+ mdc_setattr_pack(req->rq_reqmsg, 1, data, iattr, ea, ealen,
+ ea2, ea2len, ea3, ea3len);
+
+ /* prepare the reply buffer
+ */
+ bufcount = 1;
+ size[0] = sizeof(struct mds_body);
+
+ /* This is a hack for setfacl remotely. XXX */
+ if (ealen == sizeof(XATTR_NAME_LUSTRE_ACL) &&
+ !strncmp((char *) ea, XATTR_NAME_LUSTRE_ACL, ealen)) {
+ size[bufcount++] = LUSTRE_ACL_SIZE_MAX;
+ } else if (iattr->ia_valid & ATTR_SIZE) {
+ size[bufcount++] = sizeof(struct lustre_capa);
+ }
- size = sizeof(struct mds_body);
- req->rq_replen = lustre_msg_size(1, &size);
+ req->rq_replen = lustre_msg_size(bufcount, size);
- rc = mdc_reint(req, LUSTRE_CONN_FULL);
+ rc = mdc_reint(req, rpc_lock, LUSTRE_IMP_FULL);
*request = req;
- if (rc == -ERESTARTSYS )
+ if (rc == -ERESTARTSYS)
rc = 0;
RETURN(rc);
}
-int mdc_create(struct obd_conn *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 obdo *obdo,
- struct ptlrpc_request **request)
+int mdc_create(struct obd_export *exp, struct mdc_op_data *op_data,
+ const void *data, int datalen, int mode, __u32 uid,
+ __u32 gid, __u64 rdev, struct ptlrpc_request **request)
{
- struct mds_rec_create *rec;
- struct mdc_obd *mdc = mdc_conn2mdc(conn);
+ struct obd_device *obd = exp->exp_obd;
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;
+ int rc, size[4] = {0, sizeof(struct mds_rec_create),
+ op_data->namelen + 1};
+ int level, bufcount = 3;
ENTRY;
- if (S_ISREG(mode)) {
- size[2] = sizeof(*obdo);
- bufs[2] = (char *)obdo;
- bufcount = 3;
- } else if (S_ISLNK(mode)) {
- size[2] = tgtlen + 1;
- bufcount = 3;
+ size[0] = lustre_secdesc_size();
+ if (data && datalen) {
+ size[bufcount] = datalen;
+ bufcount++;
}
- req = ptlrpc_prep_req(mdc->mdc_client, mdc->mdc_conn, MDS_REINT,
- bufcount, size, bufs);
- if (!req)
+ req = ptlrpc_prep_req(class_exp2cliimp(exp), LUSTRE_MDS_VERSION,
+ MDS_REINT, bufcount, size, NULL);
+ if (req == NULL)
RETURN(-ENOMEM);
- rec = lustre_msg_buf(req->rq_reqmsg, 0);
- mds_create_pack(req, 0, dir, mode, rdev, uid, gid, time,
- name, namelen, NULL, 0);
+ lustre_pack_secdesc(req, size[0]);
- if (S_ISREG(mode)) {
- tmp = lustre_msg_buf(req->rq_reqmsg, 2);
- memcpy(tmp, obdo, sizeof(*obdo));
- } else if (S_ISLNK(mode)) {
- tmp = lustre_msg_buf(req->rq_reqmsg, 2);
- LOGL0(tgt, tgtlen, tmp);
- }
+ /*
+ * mdc_create_pack() fills msg->bufs[1] with name and msg->bufs[2] with
+ * tgt, for symlinks or lov MD data.
+ */
+ mdc_create_pack(req->rq_reqmsg, 1, op_data, mode, rdev, data, datalen);
size[0] = sizeof(struct mds_body);
req->rq_replen = lustre_msg_size(1, size);
- level = LUSTRE_CONN_FULL;
+ level = LUSTRE_IMP_FULL;
resend:
- rc = mdc_reint(req, level);
+ rc = mdc_reint(req, obd->u.cli.cl_rpc_lock, 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);
+ level = LUSTRE_IMP_RECOVER;
goto resend;
}
+ if (!rc)
+ mdc_store_inode_generation(exp, req, MDS_REQ_REC_OFF, 0);
+
*request = req;
RETURN(rc);
}
-int mdc_unlink(struct obd_conn *conn,
- struct inode *dir, struct inode *child, const char *name,
- int namelen, struct ptlrpc_request **request)
+int mdc_unlink(struct obd_export *exp, struct mdc_op_data *data,
+ struct ptlrpc_request **request)
{
- struct mdc_obd *mdc = mdc_conn2mdc(conn);
- struct ptlrpc_request *req;
- int rc, size[2] = {sizeof(struct mds_rec_unlink), namelen + 1};
+ struct obd_device *obd = class_exp2obd(exp);
+ struct ptlrpc_request *req = *request;
+ int rc, size[4] = {0, sizeof(struct mds_rec_unlink),
+ data->namelen + 1,
+ obd->u.cli.cl_max_mds_cookiesize};
ENTRY;
+ LASSERT(req == NULL);
+
+ size[0] = lustre_secdesc_size();
- req = ptlrpc_prep_req(mdc->mdc_client, mdc->mdc_conn, MDS_REINT, 2,
- size, NULL);
- if (!req)
+ req = ptlrpc_prep_req(class_exp2cliimp(exp), LUSTRE_MDS_VERSION,
+ MDS_REINT, 4, size, NULL);
+ if (req == NULL)
RETURN(-ENOMEM);
- mds_unlink_pack(req, 0, dir, child, name, namelen);
+ lustre_pack_secdesc(req, size[0]);
+ *request = req;
size[0] = sizeof(struct mds_body);
- req->rq_replen = lustre_msg_size(1, size);
+ size[1] = obd->u.cli.cl_max_mds_easize;
+ size[2] = obd->u.cli.cl_max_mds_cookiesize;
- rc = mdc_reint(req, LUSTRE_CONN_FULL);
- *request = req;
- if (rc == -ERESTARTSYS )
- rc = 0;
+ req->rq_replen = lustre_msg_size(3, size);
+
+ mdc_unlink_pack(req->rq_reqmsg, 1, data);
+ rc = mdc_reint(req, obd->u.cli.cl_rpc_lock, LUSTRE_IMP_FULL);
+ if (rc == -ERESTARTSYS)
+ rc = 0;
RETURN(rc);
}
-int mdc_link(struct obd_conn *conn,
- struct dentry *src, struct inode *dir, const char *name,
- int namelen, struct ptlrpc_request **request)
+int mdc_link(struct obd_export *exp, struct mdc_op_data *data,
+ struct ptlrpc_request **request)
{
- struct mdc_obd *mdc = mdc_conn2mdc(conn);
+ struct obd_device *obd = exp->exp_obd;
struct ptlrpc_request *req;
- int rc, size[2] = {sizeof(struct mds_rec_link), namelen + 1};
+ int rc, size[3] = {0, sizeof(struct mds_rec_link), data->namelen + 1};
ENTRY;
- req = ptlrpc_prep_req(mdc->mdc_client, mdc->mdc_conn, MDS_REINT, 2,
- size, NULL);
- if (!req)
+ size[0] = lustre_secdesc_size();
+
+ req = ptlrpc_prep_req(class_exp2cliimp(exp), LUSTRE_MDS_VERSION,
+ MDS_REINT, 3, size, NULL);
+ if (req == NULL)
RETURN(-ENOMEM);
- mds_link_pack(req, 0, src->d_inode, dir, name, namelen);
+ lustre_pack_secdesc(req, size[0]);
+
+ mdc_link_pack(req->rq_reqmsg, 1, data);
size[0] = sizeof(struct mds_body);
req->rq_replen = lustre_msg_size(1, size);
- rc = mdc_reint(req, LUSTRE_CONN_FULL);
+ rc = mdc_reint(req, obd->u.cli.cl_rpc_lock, LUSTRE_IMP_FULL);
*request = req;
- if (rc == -ERESTARTSYS )
+ if (rc == -ERESTARTSYS)
rc = 0;
RETURN(rc);
}
-int mdc_rename(struct obd_conn *conn,
- struct inode *src, struct inode *tgt, const char *old,
- int oldlen, const char *new, int newlen,
+int mdc_rename(struct obd_export *exp, struct mdc_op_data *data,
+ const char *old, int oldlen, const char *new, int newlen,
struct ptlrpc_request **request)
{
- struct mdc_obd *mdc = mdc_conn2mdc(conn);
+ struct obd_device *obd = exp->exp_obd;
struct ptlrpc_request *req;
- int rc, size[3] = {sizeof(struct mds_rec_rename), oldlen + 1,
- newlen + 1};
+ int rc, size[5] = {0, sizeof(struct mds_rec_rename), oldlen + 1,
+ newlen + 1, obd->u.cli.cl_max_mds_cookiesize};
ENTRY;
- req = ptlrpc_prep_req(mdc->mdc_client, mdc->mdc_conn,
- MDS_REINT, 3, size, NULL);
- if (!req)
+ size[0] = lustre_secdesc_size();
+
+ req = ptlrpc_prep_req(class_exp2cliimp(exp), LUSTRE_MDS_VERSION,
+ MDS_REINT, 5, size, NULL);
+ if (req == NULL)
RETURN(-ENOMEM);
- mds_rename_pack(req, 0, src, tgt, old, oldlen, new, newlen);
+ lustre_pack_secdesc(req, size[0]);
+
+ mdc_rename_pack(req->rq_reqmsg, 1, data, old, oldlen, new, newlen);
size[0] = sizeof(struct mds_body);
- req->rq_replen = lustre_msg_size(1, size);
+ size[1] = obd->u.cli.cl_max_mds_easize;
+ size[2] = obd->u.cli.cl_max_mds_cookiesize;
+ req->rq_replen = lustre_msg_size(3, size);
- rc = mdc_reint(req, LUSTRE_CONN_FULL);
+ rc = mdc_reint(req, obd->u.cli.cl_rpc_lock, LUSTRE_IMP_FULL);
*request = req;
- if (rc == -ERESTARTSYS )
+ if (rc == -ERESTARTSYS)
rc = 0;
RETURN(rc);