Whamcloud - gitweb
LU-1538 tests: fix test cases when OST is full
[fs/lustre-release.git] / lustre / mds / mds_log.c
index b582ae1..0e66eaa 100644 (file)
@@ -1,6 +1,4 @@
-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
  * GPL HEADER START
  *
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  * GPL HEADER END
  */
 /*
- * Copyright  2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
+ *
+ * Copyright (c) 2012, Whamcloud, Inc.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
@@ -42,9 +42,6 @@
 
 #define DEBUG_SUBSYSTEM S_MDS
 
-#ifndef AUTOCONF_INCLUDED
-#include <linux/config.h>
-#endif
 #include <linux/module.h>
 #include <linux/version.h>
 
 #include <lustre_fsfilt.h>
 #include <lustre_mds.h>
 #include <lustre_log.h>
+
 #include "mds_internal.h"
 
-static int mds_llog_origin_add(struct llog_ctxt *ctxt, struct llog_rec_hdr *rec,
-                               struct lov_stripe_md *lsm,
-                               struct llog_cookie *logcookies, int numcookies)
+static int mds_llog_origin_add(const struct lu_env *env,
+                              struct llog_ctxt *ctxt,
+                              struct llog_rec_hdr *rec,
+                              struct lov_stripe_md *lsm,
+                              struct llog_cookie *logcookies, int numcookies)
 {
         struct obd_device *obd = ctxt->loc_obd;
-        struct obd_device *lov_obd = obd->u.mds.mds_osc_obd;
+        struct obd_device *lov_obd = obd->u.mds.mds_lov_obd;
         struct llog_ctxt *lctxt;
         int rc;
         ENTRY;
 
         lctxt = llog_get_context(lov_obd, ctxt->loc_idx);
-        rc = llog_add(lctxt, rec, lsm, logcookies, numcookies);
+       rc = llog_obd_add(env, lctxt, rec, lsm, logcookies, numcookies);
         llog_ctxt_put(lctxt);
 
         RETURN(rc);
@@ -78,7 +78,7 @@ static int mds_llog_origin_connect(struct llog_ctxt *ctxt,
                                    struct obd_uuid *uuid)
 {
         struct obd_device *obd = ctxt->loc_obd;
-        struct obd_device *lov_obd = obd->u.mds.mds_osc_obd;
+        struct obd_device *lov_obd = obd->u.mds.mds_lov_obd;
         struct llog_ctxt *lctxt;
         int rc;
         ENTRY;
@@ -89,51 +89,53 @@ static int mds_llog_origin_connect(struct llog_ctxt *ctxt,
         RETURN(rc);
 }
 
-static int mds_llog_repl_cancel(struct llog_ctxt *ctxt, struct lov_stripe_md *lsm,
-                          int count, struct llog_cookie *cookies, int flags)
+static struct llog_operations mds_ost_orig_logops = {
+       .lop_obd_add    = mds_llog_origin_add,
+       .lop_connect    = mds_llog_origin_connect,
+};
+
+static int mds_llog_repl_cancel(const struct lu_env *env,
+                               struct llog_ctxt *ctxt,
+                               struct lov_stripe_md *lsm,
+                               int count, struct llog_cookie *cookies,
+                               int flags)
 {
         struct obd_device *obd = ctxt->loc_obd;
-        struct obd_device *lov_obd = obd->u.mds.mds_osc_obd;
+        struct obd_device *lov_obd = obd->u.mds.mds_lov_obd;
         struct llog_ctxt *lctxt;
         int rc;
         ENTRY;
 
         lctxt = llog_get_context(lov_obd, ctxt->loc_idx);
-        rc = llog_cancel(lctxt, lsm, count, cookies, flags);
+       rc = llog_cancel(env, lctxt, lsm, count, cookies, flags);
         llog_ctxt_put(lctxt);
         RETURN(rc);
 }
 
-static struct llog_operations mds_ost_orig_logops = {
-        lop_add:        mds_llog_origin_add,
-        lop_connect:    mds_llog_origin_connect,
-};
-
 static struct llog_operations mds_size_repl_logops = {
         lop_cancel:     mds_llog_repl_cancel,
 };
 
 int mds_llog_init(struct obd_device *obd, struct obd_llog_group *olg,
-                  struct obd_device *tgt, int count, struct llog_catid *logid, 
-                  struct obd_uuid *uuid)
+                  struct obd_device *disk_obd, int *index)
 {
-        struct obd_device *lov_obd = obd->u.mds.mds_osc_obd;
+        struct obd_device *lov_obd = obd->u.mds.mds_lov_obd;
         struct llog_ctxt *ctxt;
         int rc;
         ENTRY;
 
         LASSERT(olg == &obd->obd_olg);
-        rc = llog_setup(obd, &obd->obd_olg, LLOG_MDS_OST_ORIG_CTXT, tgt, 0, NULL,
-                        &mds_ost_orig_logops);
-        if (rc)
-                RETURN(rc);
+       rc = llog_setup(NULL, obd, &obd->obd_olg, LLOG_MDS_OST_ORIG_CTXT,
+                       disk_obd, &mds_ost_orig_logops);
+       if (rc)
+               RETURN(rc);
 
-        rc = llog_setup(obd, &obd->obd_olg, LLOG_SIZE_REPL_CTXT, tgt, 0, NULL,
-                        &mds_size_repl_logops);
+       rc = llog_setup(NULL, obd, &obd->obd_olg, LLOG_SIZE_REPL_CTXT,
+                       disk_obd, &mds_size_repl_logops);
         if (rc)
                 GOTO(err_llog, rc);
 
-        rc = obd_llog_init(lov_obd, &lov_obd->obd_olg, tgt, count, logid, uuid);
+        rc = obd_llog_init(lov_obd, &lov_obd->obd_olg, disk_obd, index);
         if (rc) {
                 CERROR("lov_llog_init err %d\n", rc);
                 GOTO(err_cleanup, rc);
@@ -141,31 +143,94 @@ int mds_llog_init(struct obd_device *obd, struct obd_llog_group *olg,
 
         RETURN(rc);
 err_cleanup:
-        ctxt = llog_get_context(obd, LLOG_SIZE_REPL_CTXT);
-        if (ctxt)
-                llog_cleanup(ctxt);
+       ctxt = llog_get_context(obd, LLOG_SIZE_REPL_CTXT);
+       if (ctxt)
+               llog_cleanup(NULL, ctxt);
 err_llog:
-        ctxt = llog_get_context(obd, LLOG_MDS_OST_ORIG_CTXT);
-        if (ctxt)
-                llog_cleanup(ctxt);
-        return rc;
+       ctxt = llog_get_context(obd, LLOG_MDS_OST_ORIG_CTXT);
+       if (ctxt)
+               llog_cleanup(NULL, ctxt);
+       return rc;
 }
 
 int mds_llog_finish(struct obd_device *obd, int count)
 {
+       struct llog_ctxt *ctxt;
+
+       ENTRY;
+
+       ctxt = llog_get_context(obd, LLOG_MDS_OST_ORIG_CTXT);
+       if (ctxt)
+               llog_cleanup(NULL, ctxt);
+
+       ctxt = llog_get_context(obd, LLOG_SIZE_REPL_CTXT);
+       if (ctxt)
+               llog_cleanup(NULL, ctxt);
+
+       RETURN(0);
+}
+
+static int mds_llog_add_unlink(struct obd_device *obd,
+                               struct lov_stripe_md *lsm, obd_count count,
+                               struct llog_cookie *logcookie, int cookies)
+{
+        struct llog_unlink_rec *lur;
         struct llog_ctxt *ctxt;
-        int rc = 0, rc2 = 0;
-        ENTRY;
+        int rc;
+
+        if (cookies < lsm->lsm_stripe_count)
+                RETURN(rc = -EFBIG);
+
+        /* first prepare unlink log record */
+        OBD_ALLOC_PTR(lur);
+        if (!lur)
+                RETURN(rc = -ENOMEM);
+        lur->lur_hdr.lrh_len = lur->lur_tail.lrt_len = sizeof(*lur);
+        lur->lur_hdr.lrh_type = MDS_UNLINK_REC;
+        lur->lur_count = count;
 
         ctxt = llog_get_context(obd, LLOG_MDS_OST_ORIG_CTXT);
-        if (ctxt)
-                rc = llog_cleanup(ctxt);
+       rc = llog_obd_add(NULL, ctxt, &lur->lur_hdr, lsm, logcookie, cookies);
+        llog_ctxt_put(ctxt);
+
+        OBD_FREE_PTR(lur);
+        RETURN(rc);
+}
+
+int mds_log_op_unlink(struct obd_device *obd,
+                      struct lov_mds_md *lmm, int lmm_size,
+                      struct llog_cookie *logcookies, int cookies_size)
+{
+        struct mds_obd *mds = &obd->u.mds;
+        struct lov_stripe_md *lsm = NULL;
+        int rc;
+        ENTRY;
 
-        ctxt = llog_get_context(obd, LLOG_SIZE_REPL_CTXT);
-        if (ctxt)
-                rc2 = llog_cleanup(ctxt);
-        if (!rc)
-                rc = rc2;
+        if (IS_ERR(mds->mds_lov_obd))
+                RETURN(PTR_ERR(mds->mds_lov_obd));
 
+        rc = obd_unpackmd(mds->mds_lov_exp, &lsm, lmm, lmm_size);
+        if (rc < 0)
+                RETURN(rc);
+        rc = mds_llog_add_unlink(obd, lsm, 0, logcookies,
+                                 cookies_size / sizeof(struct llog_cookie));
+        obd_free_memmd(mds->mds_lov_exp, &lsm);
+        RETURN(rc);
+}
+EXPORT_SYMBOL(mds_log_op_unlink);
+
+int mds_log_op_orphan(struct obd_device *obd, struct lov_stripe_md *lsm,
+                      obd_count count)
+{
+        struct mds_obd *mds = &obd->u.mds;
+        struct llog_cookie logcookie;
+        int rc;
+        ENTRY;
+
+        if (IS_ERR(mds->mds_lov_obd))
+                RETURN(PTR_ERR(mds->mds_lov_obd));
+
+        rc = mds_llog_add_unlink(obd, lsm, count - 1, &logcookie, 1);
         RETURN(rc);
 }
+