-/* -*- 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/
#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);
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;
}
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);
}
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);
}
+