Whamcloud - gitweb
LU-1538 tests: fix test cases when OST is full
[fs/lustre-release.git] / lustre / mds / mds_log.c
index 0a305b2..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;
@@ -90,21 +90,24 @@ static int mds_llog_origin_connect(struct llog_ctxt *ctxt,
 }
 
 static struct llog_operations mds_ost_orig_logops = {
-        lop_add:        mds_llog_origin_add,
-        lop_connect:    mds_llog_origin_connect,
+       .lop_obd_add    = mds_llog_origin_add,
+       .lop_connect    = mds_llog_origin_connect,
 };
 
-static int mds_llog_repl_cancel(struct llog_ctxt *ctxt, struct lov_stripe_md *lsm,
-                          int count, struct llog_cookie *cookies, int flags)
+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);
 }
@@ -113,152 +116,121 @@ static struct llog_operations mds_size_repl_logops = {
         lop_cancel:     mds_llog_repl_cancel,
 };
 
-static struct llog_operations changelog_orig_logops;
-
-static int llog_changelog_cancel_cb(struct llog_handle *llh,
-                                    struct llog_rec_hdr *hdr, void *data)
+int mds_llog_init(struct obd_device *obd, struct obd_llog_group *olg,
+                  struct obd_device *disk_obd, int *index)
 {
-        struct llog_changelog_rec *rec = (struct llog_changelog_rec *)hdr;
-        struct llog_cookie cookie;
-        long long endrec = *(long long *)data;
+        struct obd_device *lov_obd = obd->u.mds.mds_lov_obd;
+        struct llog_ctxt *ctxt;
         int rc;
         ENTRY;
 
-        /* This is always a (sub)log, not the catalog */
-        LASSERT(llh->lgh_hdr->llh_flags & LLOG_F_IS_PLAIN);
+        LASSERT(olg == &obd->obd_olg);
+       rc = llog_setup(NULL, obd, &obd->obd_olg, LLOG_MDS_OST_ORIG_CTXT,
+                       disk_obd, &mds_ost_orig_logops);
+       if (rc)
+               RETURN(rc);
 
-        if (rec->cr_index > endrec)
-                /* records are in order, so we're done */
-                RETURN(LLOG_PROC_BREAK);
+       rc = llog_setup(NULL, obd, &obd->obd_olg, LLOG_SIZE_REPL_CTXT,
+                       disk_obd, &mds_size_repl_logops);
+        if (rc)
+                GOTO(err_llog, rc);
 
-        cookie.lgc_lgl = llh->lgh_id;
-        cookie.lgc_index = hdr->lrh_index;
+        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);
+        }
 
-        /* cancel them one at a time.  I suppose we could store up the cookies
-           and cancel them all at once; probably more efficient, but this is
-           done as a user call, so who cares... */
-        rc = llog_cat_cancel_records(llh->u.phd.phd_cat_handle, 1, &cookie);
-        RETURN(rc < 0 ? rc : 0);
+        RETURN(rc);
+err_cleanup:
+       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(NULL, ctxt);
+       return rc;
 }
 
-static int llog_changelog_cancel(struct llog_ctxt *ctxt,
-                                 struct lov_stripe_md *lsm, int count,
-                                 struct llog_cookie *cookies, int flags)
+int mds_llog_finish(struct obd_device *obd, int count)
 {
-        struct llog_handle *cathandle = ctxt->loc_handle;
-        int rc;
-        ENTRY;
+       struct llog_ctxt *ctxt;
 
-        /* This should only be called with the catalog handle */
-        LASSERT(cathandle->lgh_hdr->llh_flags & LLOG_F_IS_CAT);
+       ENTRY;
 
-        rc = llog_cat_process(cathandle, llog_changelog_cancel_cb,
-                              (void *)cookies, 0, 0);
-        if (rc >= 0)
-                /* 0 or 1 means we're done */
-                rc = 0;
-        else
-                CERROR("cancel idx %u of catalog "LPX64" rc=%d\n",
-                       cathandle->lgh_last_idx, cathandle->lgh_id.lgl_oid, rc);
+       ctxt = llog_get_context(obd, LLOG_MDS_OST_ORIG_CTXT);
+       if (ctxt)
+               llog_cleanup(NULL, ctxt);
 
-        RETURN(rc);
+       ctxt = llog_get_context(obd, LLOG_SIZE_REPL_CTXT);
+       if (ctxt)
+               llog_cleanup(NULL, ctxt);
+
+       RETURN(0);
 }
 
-int mds_changelog_llog_init(struct obd_device *obd, struct obd_device *tgt)
+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;
 
-        /* see osc_llog_init */
-        changelog_orig_logops = llog_lvfs_ops;
-        changelog_orig_logops.lop_setup = llog_obd_origin_setup;
-        changelog_orig_logops.lop_cleanup = llog_obd_origin_cleanup;
-        changelog_orig_logops.lop_add = llog_obd_origin_add;
-        changelog_orig_logops.lop_cancel = llog_changelog_cancel;
+        if (cookies < lsm->lsm_stripe_count)
+                RETURN(rc = -EFBIG);
 
-        rc = llog_setup_named(obd, &obd->obd_olg, LLOG_CHANGELOG_ORIG_CTXT,
-                              tgt, 1, NULL, CHANGELOG_CATALOG,
-                              &changelog_orig_logops);
-        if (rc) {
-                CERROR("changelog llog setup failed %d\n", rc);
-                RETURN(rc);
-        }
+        /* 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;
 
-        rc = llog_setup_named(obd, &obd->obd_olg, LLOG_CHANGELOG_USER_ORIG_CTXT,
-                              tgt, 1, NULL, CHANGELOG_USERS,
-                              &changelog_orig_logops);
-        if (rc) {
-                CERROR("changelog users llog setup failed %d\n", rc);
-                RETURN(rc);
-        }
+        ctxt = llog_get_context(obd, LLOG_MDS_OST_ORIG_CTXT);
+       rc = llog_obd_add(NULL, ctxt, &lur->lur_hdr, lsm, logcookie, cookies);
+        llog_ctxt_put(ctxt);
 
+        OBD_FREE_PTR(lur);
         RETURN(rc);
 }
-EXPORT_SYMBOL(mds_changelog_llog_init);
 
-int mds_llog_init(struct obd_device *obd, struct obd_llog_group *olg,
-                  struct obd_device *disk_obd, int *index)
+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 obd_device *lov_obd = obd->u.mds.mds_osc_obd;
-        struct llog_ctxt *ctxt;
+        struct mds_obd *mds = &obd->u.mds;
+        struct lov_stripe_md *lsm = NULL;
         int rc;
         ENTRY;
 
-        LASSERT(olg == &obd->obd_olg);
-        rc = llog_setup(obd, &obd->obd_olg, LLOG_MDS_OST_ORIG_CTXT, disk_obd,
-                        0, NULL, &mds_ost_orig_logops);
-        if (rc)
-                RETURN(rc);
-
-        rc = llog_setup(obd, &obd->obd_olg, LLOG_SIZE_REPL_CTXT, disk_obd,
-                        0, NULL, &mds_size_repl_logops);
-        if (rc)
-                GOTO(err_llog, rc);
-
-        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);
-        }
+        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);
-err_cleanup:
-        ctxt = llog_get_context(obd, LLOG_SIZE_REPL_CTXT);
-        if (ctxt)
-                llog_cleanup(ctxt);
-err_llog:
-        ctxt = llog_get_context(obd, LLOG_MDS_OST_ORIG_CTXT);
-        if (ctxt)
-                llog_cleanup(ctxt);
-        return rc;
 }
+EXPORT_SYMBOL(mds_log_op_unlink);
 
-int mds_llog_finish(struct obd_device *obd, int count)
+int mds_log_op_orphan(struct obd_device *obd, struct lov_stripe_md *lsm,
+                      obd_count count)
 {
-        struct llog_ctxt *ctxt;
-        int rc = 0, rc2 = 0;
+        struct mds_obd *mds = &obd->u.mds;
+        struct llog_cookie logcookie;
+        int rc;
         ENTRY;
 
-        ctxt = llog_get_context(obd, LLOG_MDS_OST_ORIG_CTXT);
-        if (ctxt)
-                rc = llog_cleanup(ctxt);
-
-        ctxt = llog_get_context(obd, LLOG_SIZE_REPL_CTXT);
-        if (ctxt)
-                rc2 = llog_cleanup(ctxt);
-        if (!rc)
-                rc = rc2;
-
-        ctxt = llog_get_context(obd, LLOG_CHANGELOG_ORIG_CTXT);
-        if (ctxt)
-                rc2 = llog_cleanup(ctxt);
-        if (!rc)
-                rc = rc2;
-
-        ctxt = llog_get_context(obd, LLOG_CHANGELOG_USER_ORIG_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 = mds_llog_add_unlink(obd, lsm, count - 1, &logcookie, 1);
         RETURN(rc);
 }
+