/* -*- 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/obd_lov.h>
+#include "mdc_internal.h"
-static int mdc_reint(struct ptlrpc_request *request, int level)
+/* mdc_setattr does its own semaphore handling */
+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 lustre_handle *conn,
- struct inode *inode, struct iattr *iattr,
+EXPORT_SYMBOL(mdc_reint);
+/* 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,
struct ptlrpc_request **request)
{
struct ptlrpc_request *req;
struct mds_rec_setattr *rec;
- int rc, size = sizeof(*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(class_conn2cliimp(conn), MDS_REINT, 1, &size,
- NULL);
- if (!req)
+ LASSERT(iattr != NULL);
+
+ size[0] = mdc_get_secdesc_size();
+ if (ealen > 0) {
+ bufcount++;
+ if (ea2len > 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);
+ mdc_pack_secdesc(req, size[0]);
- size = sizeof(struct mds_body);
- req->rq_replen = lustre_msg_size(1, &size);
+ 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;
+ }
- rc = mdc_reint(req, LUSTRE_CONN_FULL);
+ 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);
+
+ size[0] = sizeof(struct mds_body);
+ req->rq_replen = lustre_msg_size(1, size);
+
+ 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 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 *lsm,
- 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 obd_device *obd = exp->exp_obd;
struct ptlrpc_request *req;
- int rc, size[3] = {sizeof(struct mds_rec_create), namelen + 1, 0};
- 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_ISLNK(mode)) {
- size[2] = tgtlen + 1;
- bufcount = 3;
+ size[0] = mdc_get_secdesc_size();
+ if (data && datalen) {
+ size[bufcount] = datalen;
+ bufcount++;
}
- req = ptlrpc_prep_req(class_conn2cliimp(conn), MDS_REINT, bufcount, size,
- NULL);
- if (!req)
+ req = ptlrpc_prep_req(class_exp2cliimp(exp), LUSTRE_MDS_VERSION,
+ MDS_REINT, bufcount, size, NULL);
+ if (req == NULL)
RETURN(-ENOMEM);
- /* mds_create_pack fills msg->bufs[1] with name
- * and msg->bufs[2] with tgt, for symlinks */
- mds_create_pack(req, 0, dir, mode, rdev, uid, gid, time,
- name, namelen, tgt, tgtlen);
+ mdc_pack_secdesc(req, size[0]);
+
+ /* 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_rec_create *rec = lustre_msg_buf(req->rq_reqmsg, 0);
-
- level = LUSTRE_CONN_RECOVD;
- CERROR("Lost reply: re-create rep.\n");
- req->rq_flags = 0;
- rec->cr_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 lustre_handle *conn, struct inode *dir,
- struct inode *child, __u32 mode, const char *name, int namelen,
+int mdc_unlink(struct obd_export *exp, struct mdc_op_data *data,
struct ptlrpc_request **request)
{
- 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] = mdc_get_secdesc_size();
- req = ptlrpc_prep_req(class_conn2cliimp(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, mode, name, namelen);
+ mdc_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;
+ 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 lustre_handle *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 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(class_conn2cliimp(conn), MDS_REINT, 2, size, NULL);
- if (!req)
+ size[0] = mdc_get_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);
+ mdc_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 lustre_handle *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 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(class_conn2cliimp(conn), MDS_REINT, 3, size, NULL);
- if (!req)
+ size[0] = mdc_get_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);
+ mdc_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);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff