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LU-11868 mdc: Improve xattr buffer allocations
[fs/lustre-release.git] / lustre / mdc / mdc_reint.c
index 31985a2..03e6aac 100644 (file)
  *
  * You should have received a copy of the GNU General Public License
  * version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
+ * http://www.gnu.org/licenses/gpl-2.0.html
  *
  * GPL HEADER END
  */
@@ -27,7 +23,7 @@
  * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
  *
- * Copyright (c) 2012, 2014, Intel Corporation.
+ * Copyright (c) 2012, 2017, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
@@ -65,11 +61,11 @@ static int mdc_reint(struct ptlrpc_request *request, int level)
  * found by @fid. Found locks are added into @cancel list. Returns the amount of
  * locks added to @cancels list. */
 int mdc_resource_get_unused(struct obd_export *exp, const struct lu_fid *fid,
-                           struct list_head *cancels, ldlm_mode_t mode,
-                            __u64 bits)
+                           struct list_head *cancels, enum ldlm_mode mode,
+                           __u64 bits)
 {
        struct ldlm_namespace *ns = exp->exp_obd->obd_namespace;
-       ldlm_policy_data_t policy = { {0} };
+       union ldlm_policy_data policy = { {0} };
        struct ldlm_res_id res_id;
        struct ldlm_resource *res;
        int count;
@@ -135,12 +131,14 @@ int mdc_setattr(struct obd_export *exp, struct md_op_data *op_data,
        }
 
         if (op_data->op_attr.ia_valid & (ATTR_MTIME | ATTR_CTIME))
-                CDEBUG(D_INODE, "setting mtime "CFS_TIME_T
-                       ", ctime "CFS_TIME_T"\n",
-                       LTIME_S(op_data->op_attr.ia_mtime),
-                       LTIME_S(op_data->op_attr.ia_ctime));
+               CDEBUG(D_INODE, "setting mtime %lld, ctime %lld\n",
+                      (s64)op_data->op_attr.ia_mtime.tv_sec,
+                      (s64)op_data->op_attr.ia_ctime.tv_sec);
        mdc_setattr_pack(req, op_data, ea, ealen);
 
+       req_capsule_set_size(&req->rq_pill, &RMF_ACL, RCL_SERVER,
+                            MIN(req->rq_import->imp_connect_data.ocd_max_easize,
+                                XATTR_SIZE_MAX));
         ptlrpc_request_set_replen(req);
 
        rc = mdc_reint(req, LUSTRE_IMP_FULL);
@@ -186,7 +184,7 @@ rebuild:
                                                 MDS_INODELOCK_UPDATE);
 
         req = ptlrpc_request_alloc(class_exp2cliimp(exp),
-                                   &RQF_MDS_REINT_CREATE_RMT_ACL);
+                                  &RQF_MDS_REINT_CREATE_ACL);
         if (req == NULL) {
                 ldlm_lock_list_put(&cancels, l_bl_ast, count);
                 RETURN(-ENOMEM);
@@ -197,6 +195,13 @@ rebuild:
         req_capsule_set_size(&req->rq_pill, &RMF_EADATA, RCL_CLIENT,
                              data && datalen ? datalen : 0);
 
+       req_capsule_set_size(&req->rq_pill, &RMF_FILE_SECCTX_NAME,
+                            RCL_CLIENT, op_data->op_file_secctx_name != NULL ?
+                            strlen(op_data->op_file_secctx_name) + 1 : 0);
+
+       req_capsule_set_size(&req->rq_pill, &RMF_FILE_SECCTX, RCL_CLIENT,
+                            op_data->op_file_secctx_size);
+
        rc = mdc_prep_elc_req(exp, req, MDS_REINT, &cancels, count);
        if (rc) {
                ptlrpc_request_free(req);
@@ -219,7 +224,7 @@ rebuild:
         if (resends) {
                 req->rq_generation_set = 1;
                 req->rq_import_generation = generation;
-                req->rq_sent = cfs_time_current_sec() + resends;
+               req->rq_sent = ktime_get_real_seconds() + resends;
         }
         level = LUSTRE_IMP_FULL;
  resend:
@@ -230,17 +235,19 @@ rebuild:
                 level = LUSTRE_IMP_RECOVER;
                 goto resend;
         } else if (rc == -EINPROGRESS) {
-                /* Retry create infinitely until succeed or get other
-                 * error code. */
-                ptlrpc_req_finished(req);
-                resends++;
-
-                CDEBUG(D_HA, "%s: resend:%d create on "DFID"/"DFID"\n",
-                       exp->exp_obd->obd_name, resends,
-                       PFID(&op_data->op_fid1), PFID(&op_data->op_fid2));
-
-                if (generation == import->imp_generation) {
-                        goto rebuild;
+               /* Retry create infinitely until succeed or get other
+                * error code or interrupted. */
+               ptlrpc_req_finished(req);
+               if (generation == import->imp_generation) {
+                       if (signal_pending(current))
+                               RETURN(-EINTR);
+
+                       resends++;
+                       CDEBUG(D_HA, "%s: resend:%d create on "DFID"/"DFID"\n",
+                              exp->exp_obd->obd_name, resends,
+                              PFID(&op_data->op_fid1),
+                              PFID(&op_data->op_fid2));
+                       goto rebuild;
                 } else {
                         CDEBUG(D_HA, "resend cross eviction\n");
                         RETURN(-EIO);
@@ -269,9 +276,10 @@ int mdc_unlink(struct obd_export *exp, struct md_op_data *op_data,
                                                MDS_INODELOCK_UPDATE);
        if ((op_data->op_flags & MF_MDC_CANCEL_FID3) &&
            (fid_is_sane(&op_data->op_fid3)))
+               /* don't cancel DoM lock which may cause data flush */
                count += mdc_resource_get_unused(exp, &op_data->op_fid3,
                                                 &cancels, LCK_EX,
-                                                MDS_INODELOCK_FULL);
+                                                MDS_INODELOCK_ELC);
         req = ptlrpc_request_alloc(class_exp2cliimp(exp),
                                    &RQF_MDS_REINT_UNLINK);
         if (req == NULL) {
@@ -352,41 +360,46 @@ int mdc_rename(struct obd_export *exp, struct md_op_data *op_data,
                struct ptlrpc_request **request)
 {
        struct list_head cancels = LIST_HEAD_INIT(cancels);
-        struct obd_device *obd = exp->exp_obd;
-        struct ptlrpc_request *req;
-        int count = 0, rc;
-        ENTRY;
+       struct obd_device *obd = exp->exp_obd;
+       struct ptlrpc_request *req;
+       int count = 0, rc;
 
-        if ((op_data->op_flags & MF_MDC_CANCEL_FID1) &&
-            (fid_is_sane(&op_data->op_fid1)))
-                count = mdc_resource_get_unused(exp, &op_data->op_fid1,
-                                                &cancels, LCK_EX,
-                                                MDS_INODELOCK_UPDATE);
-        if ((op_data->op_flags & MF_MDC_CANCEL_FID2) &&
-            (fid_is_sane(&op_data->op_fid2)))
-                count += mdc_resource_get_unused(exp, &op_data->op_fid2,
-                                                 &cancels, LCK_EX,
-                                                 MDS_INODELOCK_UPDATE);
-        if ((op_data->op_flags & MF_MDC_CANCEL_FID3) &&
-            (fid_is_sane(&op_data->op_fid3)))
-                count += mdc_resource_get_unused(exp, &op_data->op_fid3,
-                                                 &cancels, LCK_EX,
-                                                 MDS_INODELOCK_LOOKUP);
-        if ((op_data->op_flags & MF_MDC_CANCEL_FID4) &&
-             (fid_is_sane(&op_data->op_fid4)))
-                count += mdc_resource_get_unused(exp, &op_data->op_fid4,
-                                                 &cancels, LCK_EX,
-                                                 MDS_INODELOCK_FULL);
+       ENTRY;
 
-        req = ptlrpc_request_alloc(class_exp2cliimp(exp),
-                                   &RQF_MDS_REINT_RENAME);
-        if (req == NULL) {
-                ldlm_lock_list_put(&cancels, l_bl_ast, count);
-                RETURN(-ENOMEM);
-        }
+       if ((op_data->op_flags & MF_MDC_CANCEL_FID1) &&
+           (fid_is_sane(&op_data->op_fid1)))
+               count = mdc_resource_get_unused(exp, &op_data->op_fid1,
+                                               &cancels, LCK_EX,
+                                               MDS_INODELOCK_UPDATE);
+       if ((op_data->op_flags & MF_MDC_CANCEL_FID2) &&
+           (fid_is_sane(&op_data->op_fid2)))
+               count += mdc_resource_get_unused(exp, &op_data->op_fid2,
+                                                &cancels, LCK_EX,
+                                                MDS_INODELOCK_UPDATE);
+       if ((op_data->op_flags & MF_MDC_CANCEL_FID3) &&
+           (fid_is_sane(&op_data->op_fid3)))
+               count += mdc_resource_get_unused(exp, &op_data->op_fid3,
+                                                &cancels, LCK_EX,
+                                                MDS_INODELOCK_LOOKUP);
+       if ((op_data->op_flags & MF_MDC_CANCEL_FID4) &&
+           (fid_is_sane(&op_data->op_fid4)))
+               count += mdc_resource_get_unused(exp, &op_data->op_fid4,
+                                                &cancels, LCK_EX,
+                                                MDS_INODELOCK_ELC);
+
+       req = ptlrpc_request_alloc(class_exp2cliimp(exp),
+                          op_data->op_cli_flags & CLI_MIGRATE ?
+                          &RQF_MDS_REINT_MIGRATE : &RQF_MDS_REINT_RENAME);
+       if (req == NULL) {
+               ldlm_lock_list_put(&cancels, l_bl_ast, count);
+               RETURN(-ENOMEM);
+       }
 
-        req_capsule_set_size(&req->rq_pill, &RMF_NAME, RCL_CLIENT, oldlen + 1);
-        req_capsule_set_size(&req->rq_pill, &RMF_SYMTGT, RCL_CLIENT, newlen+1);
+       req_capsule_set_size(&req->rq_pill, &RMF_NAME, RCL_CLIENT, oldlen + 1);
+       req_capsule_set_size(&req->rq_pill, &RMF_SYMTGT, RCL_CLIENT, newlen+1);
+       if (op_data->op_cli_flags & CLI_MIGRATE)
+               req_capsule_set_size(&req->rq_pill, &RMF_EADATA, RCL_CLIENT,
+                                    op_data->op_data_size);
 
        rc = mdc_prep_elc_req(exp, req, MDS_REINT, &cancels, count);
        if (rc) {
@@ -394,19 +407,76 @@ int mdc_rename(struct obd_export *exp, struct md_op_data *op_data,
                RETURN(rc);
        }
 
-        if (exp_connect_cancelset(exp) && req)
-                ldlm_cli_cancel_list(&cancels, count, req, 0);
+       if (exp_connect_cancelset(exp) && req)
+               ldlm_cli_cancel_list(&cancels, count, req, 0);
 
-        mdc_rename_pack(req, op_data, old, oldlen, new, newlen);
+       if (op_data->op_cli_flags & CLI_MIGRATE)
+               mdc_migrate_pack(req, op_data, old, oldlen);
+       else
+               mdc_rename_pack(req, op_data, old, oldlen, new, newlen);
 
        req_capsule_set_size(&req->rq_pill, &RMF_MDT_MD, RCL_SERVER,
                             obd->u.cli.cl_default_mds_easize);
        ptlrpc_request_set_replen(req);
 
        rc = mdc_reint(req, LUSTRE_IMP_FULL);
-        *request = req;
-        if (rc == -ERESTARTSYS)
-                rc = 0;
+       *request = req;
+       if (rc == -ERESTARTSYS)
+               rc = 0;
 
-        RETURN(rc);
+       RETURN(rc);
+}
+
+int mdc_file_resync(struct obd_export *exp, struct md_op_data *op_data)
+{
+       struct list_head cancels = LIST_HEAD_INIT(cancels);
+       struct ptlrpc_request *req;
+       struct ldlm_lock *lock;
+       struct mdt_rec_resync *rec;
+       int count = 0, rc;
+       ENTRY;
+
+       if (op_data->op_flags & MF_MDC_CANCEL_FID1 &&
+           fid_is_sane(&op_data->op_fid1))
+               count = mdc_resource_get_unused(exp, &op_data->op_fid1,
+                                               &cancels, LCK_EX,
+                                               MDS_INODELOCK_LAYOUT);
+
+       req = ptlrpc_request_alloc(class_exp2cliimp(exp),
+                                  &RQF_MDS_REINT_RESYNC);
+       if (req == NULL) {
+               ldlm_lock_list_put(&cancels, l_bl_ast, count);
+               RETURN(-ENOMEM);
+       }
+
+       rc = mdc_prep_elc_req(exp, req, MDS_REINT, &cancels, count);
+       if (rc) {
+               ptlrpc_request_free(req);
+               RETURN(rc);
+       }
+
+       CLASSERT(sizeof(*rec) == sizeof(struct mdt_rec_reint));
+       rec = req_capsule_client_get(&req->rq_pill, &RMF_REC_REINT);
+       rec->rs_opcode  = REINT_RESYNC;
+       rec->rs_fsuid   = op_data->op_fsuid;
+       rec->rs_fsgid   = op_data->op_fsgid;
+       rec->rs_cap     = op_data->op_cap;
+       rec->rs_fid     = op_data->op_fid1;
+       rec->rs_bias    = op_data->op_bias;
+       rec->rs_mirror_id = op_data->op_mirror_id;
+
+       lock = ldlm_handle2lock(&op_data->op_lease_handle);
+       if (lock != NULL) {
+               rec->rs_lease_handle = lock->l_remote_handle;
+               LDLM_LOCK_PUT(lock);
+       }
+
+       ptlrpc_request_set_replen(req);
+
+       rc = mdc_reint(req, LUSTRE_IMP_FULL);
+       if (rc == -ERESTARTSYS)
+               rc = 0;
+
+       ptlrpc_req_finished(req);
+       RETURN(rc);
 }