/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * Copyright (C) 2002-2006 Cluster File Systems, Inc.
- * Author: Phil Schwan <phil@clusterfs.com>
- * Peter Braam <braam@clusterfs.com>
- * Mike Shaver <shaver@clusterfs.com>
- * Nathan Rutman <nathan@clusterfs.com>
+ * GPL HEADER START
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
*
- * This file is part of the Lustre file system, http://www.lustre.org
- * Lustre is a trademark of Cluster File Systems, Inc.
+ * 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
*
- * You may have signed or agreed to another license before downloading
- * this software. If so, you are bound by the terms and conditions
- * of that agreement, and the following does not apply to you. See the
- * LICENSE file included with this distribution for more information.
+ * 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.
*
- * If you did not agree to a different license, then this copy of Lustre
- * is open source software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
*
- * In either case, Lustre is distributed in the hope that it will be
- * useful, but WITHOUT ANY WARRANTY; without even the implied warranty
- * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * license text for more details.
+ * lustre/lov/lov_obd.c
+ *
+ * Author: Phil Schwan <phil@clusterfs.com>
+ * Author: Peter Braam <braam@clusterfs.com>
+ * Author: Mike Shaver <shaver@clusterfs.com>
+ * Author: Nathan Rutman <nathan@clusterfs.com>
*/
#ifndef EXPORT_SYMTAB
#include <obd_ost.h>
#include <lprocfs_status.h>
#include <lustre_param.h>
+#include <cl_object.h>
+#include <lustre/ll_fiemap.h>
#include "lov_internal.h"
-
/* Keep a refcount of lov->tgt usage to prevent racing with addition/deletion.
Any function that expects lov_tgts to remain stationary must take a ref. */
-void lov_getref(struct obd_device *obd)
+static void lov_getref(struct obd_device *obd)
{
struct lov_obd *lov = &obd->u.lov;
/* nobody gets through here until lov_putref is done */
- mutex_down(&lov->lov_lock);
- atomic_inc(&lov->lov_refcount);
- mutex_up(&lov->lov_lock);
+ cfs_mutex_down(&lov->lov_lock);
+ cfs_atomic_inc(&lov->lov_refcount);
+ cfs_mutex_up(&lov->lov_lock);
return;
}
-static void __lov_del_obd(struct obd_device *obd, __u32 index);
+static void __lov_del_obd(struct obd_device *obd, struct lov_tgt_desc *tgt);
-void lov_putref(struct obd_device *obd)
+static void lov_putref(struct obd_device *obd)
{
struct lov_obd *lov = &obd->u.lov;
- mutex_down(&lov->lov_lock);
+
+ cfs_mutex_down(&lov->lov_lock);
/* ok to dec to 0 more than once -- ltd_exp's will be null */
- if (atomic_dec_and_test(&lov->lov_refcount) && lov->lov_death_row) {
+ if (cfs_atomic_dec_and_test(&lov->lov_refcount) && lov->lov_death_row) {
+ CFS_LIST_HEAD(kill);
int i;
+ struct lov_tgt_desc *tgt, *n;
CDEBUG(D_CONFIG, "destroying %d lov targets\n",
lov->lov_death_row);
for (i = 0; i < lov->desc.ld_tgt_count; i++) {
- if (!lov->lov_tgts[i] || !lov->lov_tgts[i]->ltd_reap)
+ tgt = lov->lov_tgts[i];
+
+ if (!tgt || !tgt->ltd_reap)
continue;
- /* Disconnect and delete from list */
- __lov_del_obd(obd, i);
+ cfs_list_add(&tgt->ltd_kill, &kill);
+ /* XXX - right now there is a dependency on ld_tgt_count
+ * being the maximum tgt index for computing the
+ * mds_max_easize. So we can't shrink it. */
+ lov_ost_pool_remove(&lov->lov_packed, i);
+ lov->lov_tgts[i] = NULL;
lov->lov_death_row--;
}
+ cfs_mutex_up(&lov->lov_lock);
+
+ cfs_list_for_each_entry_safe(tgt, n, &kill, ltd_kill) {
+ cfs_list_del(&tgt->ltd_kill);
+ /* Disconnect */
+ __lov_del_obd(obd, tgt);
+ }
+ } else {
+ cfs_mutex_up(&lov->lov_lock);
}
- mutex_up(&lov->lov_lock);
}
+static int lov_set_osc_active(struct obd_device *obd, struct obd_uuid *uuid,
+ int activate);
+static int lov_notify(struct obd_device *obd, struct obd_device *watched,
+ enum obd_notify_event ev, void *data);
+
+
#define MAX_STRING_SIZE 128
-static int lov_connect_obd(struct obd_device *obd, __u32 index, int activate,
- struct obd_connect_data *data)
+int lov_connect_obd(struct obd_device *obd, __u32 index, int activate,
+ struct obd_connect_data *data)
{
struct lov_obd *lov = &obd->u.lov;
- struct obd_uuid tgt_uuid = lov->lov_tgts[index]->ltd_uuid;
+ struct obd_uuid *tgt_uuid;
struct obd_device *tgt_obd;
- struct obd_uuid lov_osc_uuid = { "LOV_OSC_UUID" };
- struct lustre_handle conn = {0, };
+ static struct obd_uuid lov_osc_uuid = { "LOV_OSC_UUID" };
struct obd_import *imp;
#ifdef __KERNEL__
cfs_proc_dir_entry_t *lov_proc_dir;
if (!lov->lov_tgts[index])
RETURN(-EINVAL);
- tgt_obd = class_find_client_obd(&tgt_uuid, LUSTRE_OSC_NAME,
- &obd->obd_uuid);
+ tgt_uuid = &lov->lov_tgts[index]->ltd_uuid;
+ tgt_obd = lov->lov_tgts[index]->ltd_obd;
- if (!tgt_obd) {
- CERROR("Target %s not attached\n", obd_uuid2str(&tgt_uuid));
- RETURN(-EINVAL);
- }
if (!tgt_obd->obd_set_up) {
- CERROR("Target %s not set up\n", obd_uuid2str(&tgt_uuid));
+ CERROR("Target %s not set up\n", obd_uuid2str(tgt_uuid));
RETURN(-EINVAL);
}
+ /* override the sp_me from lov */
+ tgt_obd->u.cli.cl_sp_me = lov->lov_sp_me;
+
if (data && (data->ocd_connect_flags & OBD_CONNECT_INDEX))
data->ocd_index = index;
if (activate) {
tgt_obd->obd_no_recov = 0;
- /* FIXME this is probably supposed to be
+ /* FIXME this is probably supposed to be
ptlrpc_set_import_active. Horrible naming. */
ptlrpc_activate_import(imp);
}
+ rc = obd_register_observer(tgt_obd, obd);
+ if (rc) {
+ CERROR("Target %s register_observer error %d\n",
+ obd_uuid2str(tgt_uuid), rc);
+ RETURN(rc);
+ }
+
+
if (imp->imp_invalid) {
CERROR("not connecting OSC %s; administratively "
- "disabled\n", obd_uuid2str(&tgt_uuid));
- rc = obd_register_observer(tgt_obd, obd);
- if (rc) {
- CERROR("Target %s register_observer error %d; "
- "will not be able to reactivate\n",
- obd_uuid2str(&tgt_uuid), rc);
- }
+ "disabled\n", obd_uuid2str(tgt_uuid));
RETURN(0);
}
- rc = obd_connect(NULL, &conn, tgt_obd, &lov_osc_uuid, data);
- if (rc) {
+ rc = obd_connect(NULL, &lov->lov_tgts[index]->ltd_exp, tgt_obd,
+ &lov_osc_uuid, data, NULL);
+ if (rc || !lov->lov_tgts[index]->ltd_exp) {
CERROR("Target %s connect error %d\n",
- obd_uuid2str(&tgt_uuid), rc);
- RETURN(rc);
- }
- lov->lov_tgts[index]->ltd_exp = class_conn2export(&conn);
- if (!lov->lov_tgts[index]->ltd_exp) {
- CERROR("Target %s: null export!\n", obd_uuid2str(&tgt_uuid));
+ obd_uuid2str(tgt_uuid), rc);
RETURN(-ENODEV);
}
- rc = obd_register_observer(tgt_obd, obd);
- if (rc) {
- CERROR("Target %s register_observer error %d\n",
- obd_uuid2str(&tgt_uuid), rc);
- obd_disconnect(lov->lov_tgts[index]->ltd_exp);
- lov->lov_tgts[index]->ltd_exp = NULL;
- RETURN(rc);
- }
-
lov->lov_tgts[index]->ltd_reap = 0;
- if (activate) {
- lov->lov_tgts[index]->ltd_active = 1;
- lov->desc.ld_active_tgt_count++;
- }
+
CDEBUG(D_CONFIG, "Connected tgt idx %d %s (%s) %sactive\n", index,
- obd_uuid2str(&tgt_uuid), tgt_obd->obd_name, activate ? "":"in");
+ obd_uuid2str(tgt_uuid), tgt_obd->obd_name, activate ? "":"in");
#ifdef __KERNEL__
lov_proc_dir = lprocfs_srch(obd->obd_proc_entry, "target_obds");
if (lov_proc_dir) {
- struct obd_device *osc_obd = class_conn2obd(&conn);
+ struct obd_device *osc_obd = lov->lov_tgts[index]->ltd_exp->exp_obd;
cfs_proc_dir_entry_t *osc_symlink;
- char name[MAX_STRING_SIZE];
LASSERT(osc_obd != NULL);
LASSERT(osc_obd->obd_magic == OBD_DEVICE_MAGIC);
LASSERT(osc_obd->obd_type->typ_name != NULL);
- snprintf(name, MAX_STRING_SIZE, "../../../%s/%s",
- osc_obd->obd_type->typ_name,
- osc_obd->obd_name);
- osc_symlink = proc_symlink(osc_obd->obd_name, lov_proc_dir,
- name);
+
+ osc_symlink = lprocfs_add_symlink(osc_obd->obd_name,
+ lov_proc_dir,
+ "../../../%s/%s",
+ osc_obd->obd_type->typ_name,
+ osc_obd->obd_name);
if (osc_symlink == NULL) {
CERROR("could not register LOV target "
- "/proc/fs/lustre/%s/%s/target_obds/%s.",
- obd->obd_type->typ_name, obd->obd_name,
- osc_obd->obd_name);
+ "/proc/fs/lustre/%s/%s/target_obds/%s.",
+ obd->obd_type->typ_name, obd->obd_name,
+ osc_obd->obd_name);
lprocfs_remove(&lov_proc_dir);
}
}
}
static int lov_connect(const struct lu_env *env,
- struct lustre_handle *conn, struct obd_device *obd,
- struct obd_uuid *cluuid, struct obd_connect_data *data)
+ struct obd_export **exp, struct obd_device *obd,
+ struct obd_uuid *cluuid, struct obd_connect_data *data,
+ void *localdata)
{
struct lov_obd *lov = &obd->u.lov;
struct lov_tgt_desc *tgt;
+ struct lustre_handle conn;
int i, rc;
ENTRY;
CDEBUG(D_CONFIG, "connect #%d\n", lov->lov_connects);
- rc = class_connect(conn, obd, cluuid);
+ rc = class_connect(&conn, obd, cluuid);
if (rc)
RETURN(rc);
+ *exp = class_conn2export(&conn);
+
/* Why should there ever be more than 1 connect? */
lov->lov_connects++;
LASSERT(lov->lov_connects == 1);
if (data)
lov->lov_ocd = *data;
- lov_getref(obd);
+ obd_getref(obd);
for (i = 0; i < lov->desc.ld_tgt_count; i++) {
tgt = lov->lov_tgts[i];
if (!tgt || obd_uuid_empty(&tgt->ltd_uuid))
obd->obd_name, i, rc);
continue;
}
+ /* connect to administrative disabled ost */
+ if (!lov->lov_tgts[i]->ltd_exp)
+ continue;
+
+ rc = lov_notify(obd, lov->lov_tgts[i]->ltd_exp->exp_obd,
+ OBD_NOTIFY_CONNECT, (void *)&i);
+ if (rc) {
+ CERROR("%s error sending notify %d\n",
+ obd->obd_name, rc);
+ }
}
- lov_putref(obd);
+ obd_putref(obd);
RETURN(0);
}
-static int lov_disconnect_obd(struct obd_device *obd, __u32 index)
+static int lov_disconnect_obd(struct obd_device *obd, struct lov_tgt_desc *tgt)
{
cfs_proc_dir_entry_t *lov_proc_dir;
struct lov_obd *lov = &obd->u.lov;
- struct obd_device *osc_obd =
- class_exp2obd(lov->lov_tgts[index]->ltd_exp);
+ struct obd_device *osc_obd;
int rc;
ENTRY;
+ osc_obd = class_exp2obd(tgt->ltd_exp);
CDEBUG(D_CONFIG, "%s: disconnecting target %s\n",
obd->obd_name, osc_obd->obd_name);
- if (lov->lov_tgts[index]->ltd_active) {
- lov->lov_tgts[index]->ltd_active = 0;
+ if (tgt->ltd_active) {
+ tgt->ltd_active = 0;
lov->desc.ld_active_tgt_count--;
+ tgt->ltd_exp->exp_obd->obd_inactive = 1;
}
lov_proc_dir = lprocfs_srch(obd->obd_proc_entry, "target_obds");
obd_register_observer(osc_obd, NULL);
- rc = obd_disconnect(lov->lov_tgts[index]->ltd_exp);
+ rc = obd_disconnect(tgt->ltd_exp);
if (rc) {
CERROR("Target %s disconnect error %d\n",
- lov_uuid2str(lov, index), rc);
+ tgt->ltd_uuid.uuid, rc);
rc = 0;
}
- qos_del_tgt(obd, index);
+ qos_del_tgt(obd, tgt);
- lov->lov_tgts[index]->ltd_exp = NULL;
+ tgt->ltd_exp = NULL;
RETURN(0);
}
-static int lov_del_target(struct obd_device *obd, __u32 index,
- struct obd_uuid *uuidp, int gen);
-
static int lov_disconnect(struct obd_export *exp)
{
struct obd_device *obd = class_exp2obd(exp);
/* Let's hold another reference so lov_del_obd doesn't spin through
putref every time */
- lov_getref(obd);
+ obd_getref(obd);
+
for (i = 0; i < lov->desc.ld_tgt_count; i++) {
if (lov->lov_tgts[i] && lov->lov_tgts[i]->ltd_exp) {
/* Disconnection is the last we know about an obd */
lov_del_target(obd, i, 0, lov->lov_tgts[i]->ltd_gen);
}
}
- lov_putref(obd);
+ obd_putref(obd);
out:
rc = class_disconnect(exp); /* bz 9811 */
* -EINVAL : UUID can't be found in the LOV's target list
* -ENOTCONN: The UUID is found, but the target connection is bad (!)
* -EBADF : The UUID is found, but the OBD is the wrong type (!)
+ * any >= 0 : is log target index
*/
static int lov_set_osc_active(struct obd_device *obd, struct obd_uuid *uuid,
int activate)
{
struct lov_obd *lov = &obd->u.lov;
struct lov_tgt_desc *tgt;
- int i, rc = 0;
+ int index;
ENTRY;
CDEBUG(D_INFO, "Searching in lov %p for uuid %s (activate=%d)\n",
lov, uuid->uuid, activate);
- lov_getref(obd);
- for (i = 0; i < lov->desc.ld_tgt_count; i++) {
- tgt = lov->lov_tgts[i];
+ obd_getref(obd);
+ for (index = 0; index < lov->desc.ld_tgt_count; index++) {
+ tgt = lov->lov_tgts[index];
if (!tgt || !tgt->ltd_exp)
continue;
CDEBUG(D_INFO, "lov idx %d is %s conn "LPX64"\n",
- i, obd_uuid2str(&tgt->ltd_uuid),
+ index, obd_uuid2str(&tgt->ltd_uuid),
tgt->ltd_exp->exp_handle.h_cookie);
if (obd_uuid_equals(uuid, &tgt->ltd_uuid))
break;
}
- if (i == lov->desc.ld_tgt_count)
- GOTO(out, rc = -EINVAL);
+ if (index == lov->desc.ld_tgt_count)
+ GOTO(out, index = -EINVAL);
- if (lov->lov_tgts[i]->ltd_active == activate) {
+ if (lov->lov_tgts[index]->ltd_active == activate) {
CDEBUG(D_INFO, "OSC %s already %sactive!\n", uuid->uuid,
activate ? "" : "in");
- GOTO(out, rc);
+ GOTO(out, index);
}
CDEBUG(D_CONFIG, "Marking OSC %s %sactive\n", obd_uuid2str(uuid),
activate ? "" : "in");
- lov->lov_tgts[i]->ltd_active = activate;
- if (activate)
+ lov->lov_tgts[index]->ltd_active = activate;
+
+ if (activate) {
lov->desc.ld_active_tgt_count++;
- else
+ lov->lov_tgts[index]->ltd_exp->exp_obd->obd_inactive = 0;
+ } else {
lov->desc.ld_active_tgt_count--;
+ lov->lov_tgts[index]->ltd_exp->exp_obd->obd_inactive = 1;
+ }
/* remove any old qos penalty */
- lov->lov_tgts[i]->ltd_qos.ltq_penalty = 0;
+ lov->lov_tgts[index]->ltd_qos.ltq_penalty = 0;
out:
- lov_putref(obd);
- RETURN(rc);
+ obd_putref(obd);
+ RETURN(index);
}
static int lov_notify(struct obd_device *obd, struct obd_device *watched,
* observer can use the OSC normally.
*/
rc = lov_set_osc_active(obd, uuid, ev == OBD_NOTIFY_ACTIVE);
- if (rc) {
+ if (rc < 0) {
CERROR("%sactivation of %s failed: %d\n",
(ev == OBD_NOTIFY_ACTIVE) ? "" : "de",
obd_uuid2str(uuid), rc);
RETURN(rc);
}
+ /* active event should be pass lov target index as data */
+ data = &rc;
}
/* Pass the notification up the chain. */
rc = obd_notify_observer(obd, watched, ev, data);
} else {
/* NULL watched means all osc's in the lov (only for syncs) */
+ /* sync event should be send lov idx as data */
struct lov_obd *lov = &obd->u.lov;
- struct obd_device *tgt_obd;
- int i;
- lov_getref(obd);
+ int i, is_sync;
+
+ data = &i;
+ is_sync = (ev == OBD_NOTIFY_SYNC) ||
+ (ev == OBD_NOTIFY_SYNC_NONBLOCK);
+
+ obd_getref(obd);
for (i = 0; i < lov->desc.ld_tgt_count; i++) {
if (!lov->lov_tgts[i])
continue;
- tgt_obd = class_exp2obd(lov->lov_tgts[i]->ltd_exp);
- rc = obd_notify_observer(obd, tgt_obd, ev, data);
+
+ /* don't send sync event if target not
+ * connected/activated */
+ if (is_sync && !lov->lov_tgts[i]->ltd_active)
+ continue;
+
+ rc = obd_notify_observer(obd, lov->lov_tgts[i]->ltd_obd,
+ ev, data);
if (rc) {
CERROR("%s: notify %s of %s failed %d\n",
obd->obd_name,
obd->obd_observer->obd_name,
- tgt_obd->obd_name, rc);
- break;
+ lov->lov_tgts[i]->ltd_obd->obd_name,
+ rc);
}
}
- lov_putref(obd);
+ obd_putref(obd);
}
RETURN(rc);
{
struct lov_obd *lov = &obd->u.lov;
struct lov_tgt_desc *tgt;
+ struct obd_device *tgt_obd;
int rc;
ENTRY;
RETURN(-EINVAL);
}
- mutex_down(&lov->lov_lock);
+ tgt_obd = class_find_client_obd(uuidp, LUSTRE_OSC_NAME,
+ &obd->obd_uuid);
+ if (tgt_obd == NULL)
+ RETURN(-EINVAL);
+
+ cfs_mutex_down(&lov->lov_lock);
if ((index < lov->lov_tgt_size) && (lov->lov_tgts[index] != NULL)) {
tgt = lov->lov_tgts[index];
CERROR("UUID %s already assigned at LOV target index %d\n",
obd_uuid2str(&tgt->ltd_uuid), index);
- mutex_up(&lov->lov_lock);
+ cfs_mutex_up(&lov->lov_lock);
RETURN(-EEXIST);
}
newsize = newsize << 1;
OBD_ALLOC(newtgts, sizeof(*newtgts) * newsize);
if (newtgts == NULL) {
- mutex_up(&lov->lov_lock);
+ cfs_mutex_up(&lov->lov_lock);
RETURN(-ENOMEM);
}
lov->lov_tgts, lov->lov_tgt_size);
}
-
OBD_ALLOC_PTR(tgt);
if (!tgt) {
- mutex_up(&lov->lov_lock);
+ cfs_mutex_up(&lov->lov_lock);
RETURN(-ENOMEM);
}
- memset(tgt, 0, sizeof(*tgt));
+ rc = lov_ost_pool_add(&lov->lov_packed, index, lov->lov_tgt_size);
+ if (rc) {
+ cfs_mutex_up(&lov->lov_lock);
+ OBD_FREE_PTR(tgt);
+ RETURN(rc);
+ }
+
tgt->ltd_uuid = *uuidp;
+ tgt->ltd_obd = tgt_obd;
/* XXX - add a sanity check on the generation number. */
tgt->ltd_gen = gen;
tgt->ltd_index = index;
lov->lov_tgts[index] = tgt;
if (index >= lov->desc.ld_tgt_count)
lov->desc.ld_tgt_count = index + 1;
- mutex_up(&lov->lov_lock);
+
+ cfs_mutex_up(&lov->lov_lock);
CDEBUG(D_CONFIG, "idx=%d ltd_gen=%d ld_tgt_count=%d\n",
index, tgt->ltd_gen, lov->desc.ld_tgt_count);
+ rc = obd_notify(obd, tgt_obd, OBD_NOTIFY_CREATE, &index);
+
if (lov->lov_connects == 0) {
/* lov_connect hasn't been called yet. We'll do the
lov_connect_obd on this target when that fn first runs,
RETURN(0);
}
- lov_getref(obd);
+ obd_getref(obd);
rc = lov_connect_obd(obd, index, active, &lov->lov_ocd);
if (rc)
GOTO(out, rc);
+ /* connect to administrative disabled ost */
+ if (!tgt->ltd_exp)
+ GOTO(out, rc = 0);
+
rc = lov_notify(obd, tgt->ltd_exp->exp_obd,
- active ? OBD_NOTIFY_ACTIVE : OBD_NOTIFY_INACTIVE,
+ active ? OBD_NOTIFY_CONNECT : OBD_NOTIFY_INACTIVE,
(void *)&index);
out:
obd_uuid2str(&tgt->ltd_uuid));
lov_del_target(obd, index, 0, 0);
}
- lov_putref(obd);
+ obd_putref(obd);
RETURN(rc);
}
/* Schedule a target for deletion */
-static int lov_del_target(struct obd_device *obd, __u32 index,
- struct obd_uuid *uuidp, int gen)
+int lov_del_target(struct obd_device *obd, __u32 index,
+ struct obd_uuid *uuidp, int gen)
{
struct lov_obd *lov = &obd->u.lov;
int count = lov->desc.ld_tgt_count;
RETURN(-EINVAL);
}
- lov_getref(obd);
+ obd_getref(obd);
if (!lov->lov_tgts[index]) {
CERROR("LOV target at index %d is not setup.\n", index);
lov->lov_tgts[index]->ltd_reap = 1;
lov->lov_death_row++;
- /* we really delete it from lov_putref */
+ /* we really delete it from obd_putref */
out:
- lov_putref(obd);
+ obd_putref(obd);
RETURN(rc);
}
-/* We are holding lov_lock */
-static void __lov_del_obd(struct obd_device *obd, __u32 index)
+static void __lov_del_obd(struct obd_device *obd, struct lov_tgt_desc *tgt)
{
- struct lov_obd *lov = &obd->u.lov;
struct obd_device *osc_obd;
- struct lov_tgt_desc *tgt = lov->lov_tgts[index];
LASSERT(tgt);
LASSERT(tgt->ltd_reap);
osc_obd = class_exp2obd(tgt->ltd_exp);
CDEBUG(D_CONFIG, "Removing tgt %s : %s\n",
- lov_uuid2str(lov, index),
+ tgt->ltd_uuid.uuid,
osc_obd ? osc_obd->obd_name : "<no obd>");
if (tgt->ltd_exp)
- lov_disconnect_obd(obd, index);
+ lov_disconnect_obd(obd, tgt);
- /* XXX - right now there is a dependency on ld_tgt_count being the
- * maximum tgt index for computing the mds_max_easize. So we can't
- * shrink it. */
-
- lov->lov_tgts[index] = NULL;
OBD_FREE_PTR(tgt);
/* Manual cleanup - no cleanup logs to clean up the osc's. We must
class_manual_cleanup(osc_obd);
}
-void lov_fix_desc(struct lov_desc *desc)
+void lov_fix_desc_stripe_size(__u64 *val)
{
- if (desc->ld_default_stripe_size < PTLRPC_MAX_BRW_SIZE) {
+ if (*val < PTLRPC_MAX_BRW_SIZE) {
LCONSOLE_WARN("Increasing default stripe size to min %u\n",
PTLRPC_MAX_BRW_SIZE);
- desc->ld_default_stripe_size = PTLRPC_MAX_BRW_SIZE;
- } else if (desc->ld_default_stripe_size & (LOV_MIN_STRIPE_SIZE - 1)) {
- desc->ld_default_stripe_size &= ~(LOV_MIN_STRIPE_SIZE - 1);
+ *val = PTLRPC_MAX_BRW_SIZE;
+ } else if (*val & (LOV_MIN_STRIPE_SIZE - 1)) {
+ *val &= ~(LOV_MIN_STRIPE_SIZE - 1);
LCONSOLE_WARN("Changing default stripe size to "LPU64" (a "
"multiple of %u)\n",
- desc->ld_default_stripe_size,LOV_MIN_STRIPE_SIZE);
+ *val, LOV_MIN_STRIPE_SIZE);
}
+}
- if (desc->ld_default_stripe_count == 0)
- desc->ld_default_stripe_count = 1;
+void lov_fix_desc_stripe_count(__u32 *val)
+{
+ if (*val == 0)
+ *val = 1;
+}
+void lov_fix_desc_pattern(__u32 *val)
+{
/* from lov_setstripe */
- if ((desc->ld_pattern != 0) &&
- (desc->ld_pattern != LOV_PATTERN_RAID0)) {
- LCONSOLE_WARN("Unknown stripe pattern: %#x\n",desc->ld_pattern);
- desc->ld_pattern = 0;
+ if ((*val != 0) && (*val != LOV_PATTERN_RAID0)) {
+ LCONSOLE_WARN("Unknown stripe pattern: %#x\n", *val);
+ *val = 0;
}
+}
+
+void lov_fix_desc_qos_maxage(__u32 *val)
+{
+ /* fix qos_maxage */
+ if (*val == 0)
+ *val = QOS_DEFAULT_MAXAGE;
+}
- if (desc->ld_qos_maxage == 0)
- desc->ld_qos_maxage = QOS_DEFAULT_MAXAGE;
+void lov_fix_desc(struct lov_desc *desc)
+{
+ lov_fix_desc_stripe_size(&desc->ld_default_stripe_size);
+ lov_fix_desc_stripe_count(&desc->ld_default_stripe_count);
+ lov_fix_desc_pattern(&desc->ld_pattern);
+ lov_fix_desc_qos_maxage(&desc->ld_qos_maxage);
}
-static int lov_setup(struct obd_device *obd, struct lustre_cfg *lcfg)
+int lov_setup(struct obd_device *obd, struct lustre_cfg *lcfg)
{
- struct lprocfs_static_vars lvars;
+ struct lprocfs_static_vars lvars = { 0 };
struct lov_desc *desc;
struct lov_obd *lov = &obd->u.lov;
- int count;
+ int rc;
ENTRY;
if (LUSTRE_CFG_BUFLEN(lcfg, 1) < 1) {
lov_fix_desc(desc);
- /* Because of 64-bit divide/mod operations only work with a 32-bit
- * divisor in a 32-bit kernel, we cannot support a stripe width
- * of 4GB or larger on 32-bit CPUs. */
- count = desc->ld_default_stripe_count;
- if ((count > 0 ? count : desc->ld_tgt_count) *
- desc->ld_default_stripe_size > 0xffffffff) {
- CERROR("LOV: stripe width "LPU64"x%u > 4294967295 bytes\n",
- desc->ld_default_stripe_size, count);
- RETURN(-EINVAL);
- }
-
desc->ld_active_tgt_count = 0;
lov->desc = *desc;
lov->lov_tgt_size = 0;
- sema_init(&lov->lov_lock, 1);
- atomic_set(&lov->lov_refcount, 0);
- INIT_LIST_HEAD(&lov->lov_qos.lq_oss_list);
- init_rwsem(&lov->lov_qos.lq_rw_sem);
+
+ cfs_sema_init(&lov->lov_lock, 1);
+ cfs_atomic_set(&lov->lov_refcount, 0);
+ CFS_INIT_LIST_HEAD(&lov->lov_qos.lq_oss_list);
+ cfs_init_rwsem(&lov->lov_qos.lq_rw_sem);
+ lov->lov_sp_me = LUSTRE_SP_CLI;
lov->lov_qos.lq_dirty = 1;
- lov->lov_qos.lq_dirty_rr = 1;
+ lov->lov_qos.lq_rr.lqr_dirty = 1;
lov->lov_qos.lq_reset = 1;
/* Default priority is toward free space balance */
lov->lov_qos.lq_prio_free = 232;
+ /* Default threshold for rr (roughly 17%) */
+ lov->lov_qos.lq_threshold_rr = 43;
+ /* Init statfs fields */
+ OBD_ALLOC_PTR(lov->lov_qos.lq_statfs_data);
+ if (NULL == lov->lov_qos.lq_statfs_data)
+ RETURN(-ENOMEM);
+ cfs_waitq_init(&lov->lov_qos.lq_statfs_waitq);
+
+ lov->lov_pools_hash_body = cfs_hash_create("POOLS", HASH_POOLS_CUR_BITS,
+ HASH_POOLS_MAX_BITS,
+ HASH_POOLS_BKT_BITS, 0,
+ CFS_HASH_MIN_THETA,
+ CFS_HASH_MAX_THETA,
+ &pool_hash_operations,
+ CFS_HASH_DEFAULT);
+ CFS_INIT_LIST_HEAD(&lov->lov_pool_list);
+ lov->lov_pool_count = 0;
+ rc = lov_ost_pool_init(&lov->lov_packed, 0);
+ if (rc)
+ GOTO(out_free_statfs, rc);
+ rc = lov_ost_pool_init(&lov->lov_qos.lq_rr.lqr_pool, 0);
+ if (rc)
+ GOTO(out_free_lov_packed, rc);
- lprocfs_init_vars(lov, &lvars);
+ lprocfs_lov_init_vars(&lvars);
lprocfs_obd_setup(obd, lvars.obd_vars);
#ifdef LPROCFS
{
- cfs_proc_dir_entry_t *entry;
+ int rc;
- entry = create_proc_entry("target_obd", 0444,
- obd->obd_proc_entry);
- if (entry != NULL) {
- entry->proc_fops = &lov_proc_target_fops;
- entry->data = obd;
- }
+ rc = lprocfs_seq_create(obd->obd_proc_entry, "target_obd",
+ 0444, &lov_proc_target_fops, obd);
+ if (rc)
+ CWARN("Error adding the target_obd file\n");
}
#endif
+ lov->lov_pool_proc_entry = lprocfs_register("pools",
+ obd->obd_proc_entry,
+ NULL, NULL);
RETURN(0);
+
+out_free_lov_packed:
+ lov_ost_pool_free(&lov->lov_packed);
+out_free_statfs:
+ OBD_FREE_PTR(lov->lov_qos.lq_statfs_data);
+ return rc;
}
static int lov_precleanup(struct obd_device *obd, enum obd_cleanup_stage stage)
{
int rc = 0;
+ struct lov_obd *lov = &obd->u.lov;
+
ENTRY;
switch (stage) {
case OBD_CLEANUP_EARLY: {
- struct lov_obd *lov = &obd->u.lov;
int i;
for (i = 0; i < lov->desc.ld_tgt_count; i++) {
if (!lov->lov_tgts[i] || !lov->lov_tgts[i]->ltd_active)
break;
}
case OBD_CLEANUP_EXPORTS:
- break;
- case OBD_CLEANUP_SELF_EXP:
rc = obd_llog_finish(obd, 0);
if (rc != 0)
CERROR("failed to cleanup llogging subsystems\n");
break;
- case OBD_CLEANUP_OBD:
- break;
}
RETURN(rc);
}
static int lov_cleanup(struct obd_device *obd)
{
struct lov_obd *lov = &obd->u.lov;
+ cfs_list_t *pos, *tmp;
+ struct pool_desc *pool;
+
+ cfs_list_for_each_safe(pos, tmp, &lov->lov_pool_list) {
+ pool = cfs_list_entry(pos, struct pool_desc, pool_list);
+ /* free pool structs */
+ CDEBUG(D_INFO, "delete pool %p\n", pool);
+ lov_pool_del(obd, pool->pool_name);
+ }
+ cfs_hash_putref(lov->lov_pools_hash_body);
+ lov_ost_pool_free(&(lov->lov_qos.lq_rr.lqr_pool));
+ lov_ost_pool_free(&lov->lov_packed);
- lprocfs_obd_cleanup(obd);
if (lov->lov_tgts) {
int i;
+ obd_getref(obd);
for (i = 0; i < lov->desc.ld_tgt_count; i++) {
- if (lov->lov_tgts[i]) {
- /* Inactive targets may never have connected */
- if (lov->lov_tgts[i]->ltd_active ||
- atomic_read(&lov->lov_refcount))
- /* We should never get here - these
- should have been removed in the
- disconnect. */
- CERROR("lov tgt %d not cleaned!"
- " deathrow=%d, lovrc=%d\n",
- i, lov->lov_death_row,
- atomic_read(&lov->lov_refcount));
- lov_del_target(obd, i, 0, 0);
- }
+ if (!lov->lov_tgts[i])
+ continue;
+
+ /* Inactive targets may never have connected */
+ if (lov->lov_tgts[i]->ltd_active ||
+ cfs_atomic_read(&lov->lov_refcount))
+ /* We should never get here - these
+ should have been removed in the
+ disconnect. */
+ CERROR("lov tgt %d not cleaned!"
+ " deathrow=%d, lovrc=%d\n",
+ i, lov->lov_death_row,
+ cfs_atomic_read(&lov->lov_refcount));
+ lov_del_target(obd, i, 0, 0);
}
+ obd_putref(obd);
OBD_FREE(lov->lov_tgts, sizeof(*lov->lov_tgts) *
lov->lov_tgt_size);
lov->lov_tgt_size = 0;
}
- if (lov->lov_qos.lq_rr_size)
- OBD_FREE(lov->lov_qos.lq_rr_array, lov->lov_qos.lq_rr_size);
+ /* clear pools parent proc entry only after all pools is killed */
+ lprocfs_obd_cleanup(obd);
+ OBD_FREE_PTR(lov->lov_qos.lq_statfs_data);
RETURN(0);
}
-static int lov_process_config(struct obd_device *obd, obd_count len, void *buf)
+int lov_process_config_base(struct obd_device *obd, struct lustre_cfg *lcfg,
+ __u32 *indexp, int *genp)
{
- struct lustre_cfg *lcfg = buf;
struct obd_uuid obd_uuid;
int cmd;
int rc = 0;
obd_str2uuid(&obd_uuid, lustre_cfg_buf(lcfg, 1));
- if (sscanf(lustre_cfg_buf(lcfg, 2), "%d", &index) != 1)
+ if (sscanf(lustre_cfg_buf(lcfg, 2), "%d", indexp) != 1)
GOTO(out, rc = -EINVAL);
- if (sscanf(lustre_cfg_buf(lcfg, 3), "%d", &gen) != 1)
+ if (sscanf(lustre_cfg_buf(lcfg, 3), "%d", genp) != 1)
GOTO(out, rc = -EINVAL);
+ index = *indexp;
+ gen = *genp;
if (cmd == LCFG_LOV_ADD_OBD)
rc = lov_add_target(obd, &obd_uuid, index, gen, 1);
else if (cmd == LCFG_LOV_ADD_INA)
GOTO(out, rc);
}
case LCFG_PARAM: {
- struct lprocfs_static_vars lvars;
+ struct lprocfs_static_vars lvars = { 0 };
struct lov_desc *desc = &(obd->u.lov.desc);
if (!desc)
GOTO(out, rc = -EINVAL);
- lprocfs_init_vars(lov, &lvars);
+ lprocfs_lov_init_vars(&lvars);
rc = class_process_proc_param(PARAM_LOV, lvars.obd_vars,
lcfg, obd);
+ if (rc > 0)
+ rc = 0;
GOTO(out, rc);
}
+ case LCFG_POOL_NEW:
+ case LCFG_POOL_ADD:
+ case LCFG_POOL_DEL:
+ case LCFG_POOL_REM:
+ GOTO(out, rc);
+
default: {
CERROR("Unknown command: %d\n", lcfg->lcfg_command);
GOTO(out, rc = -EINVAL);
}
#ifndef log2
-#define log2(n) ffz(~(n))
+#define log2(n) cfs_ffz(~(n))
#endif
static int lov_clear_orphans(struct obd_export *export, struct obdo *src_oa,
if (tmp_oa == NULL)
RETURN(-ENOMEM);
- if (src_oa->o_valid & OBD_MD_FLINLINE) {
- ost_uuid = (struct obd_uuid *)src_oa->o_inline;
+ if (oti->oti_ost_uuid) {
+ ost_uuid = oti->oti_ost_uuid;
CDEBUG(D_HA, "clearing orphans only for %s\n",
ost_uuid->uuid);
}
- lov_getref(export->exp_obd);
+ obd_getref(export->exp_obd);
for (i = 0; i < lov->desc.ld_tgt_count; i++) {
struct lov_stripe_md obj_md;
struct lov_stripe_md *obj_mdp = &obj_md;
/* if called for a specific target, we don't
care if it is not active. */
- if (!lov->lov_tgts[i]->ltd_active == 0 && ost_uuid == NULL) {
+ if (!lov->lov_tgts[i]->ltd_active && ost_uuid == NULL) {
CDEBUG(D_HA, "lov idx %d inactive\n", i);
continue;
}
/* XXX: LOV STACKING: use real "obj_mdp" sub-data */
err = obd_create(lov->lov_tgts[i]->ltd_exp,
tmp_oa, &obj_mdp, oti);
- if (err)
+ if (err) {
/* This export will be disabled until it is recovered,
and then orphan recovery will be completed. */
CERROR("error in orphan recovery on OST idx %d/%d: "
"rc = %d\n", i, lov->desc.ld_tgt_count, err);
+ rc = err;
+ }
if (ost_uuid)
break;
}
- lov_putref(export->exp_obd);
+ obd_putref(export->exp_obd);
OBDO_FREE(tmp_oa);
RETURN(rc);
struct obd_info oinfo;
struct lov_request_set *set = NULL;
struct lov_request *req;
- struct obd_statfs osfs;
- __u64 maxage;
+ struct l_wait_info lwi = { 0 };
int rc = 0;
ENTRY;
if (!lov->desc.ld_active_tgt_count)
RETURN(-EIO);
+ obd_getref(exp->exp_obd);
/* Recreate a specific object id at the given OST index */
if ((src_oa->o_valid & OBD_MD_FLFLAGS) &&
(src_oa->o_flags & OBD_FL_RECREATE_OBJS)) {
rc = lov_recreate(exp, src_oa, ea, oti);
- RETURN(rc);
+ GOTO(out, rc);
}
- maxage = cfs_time_shift_64(-lov->desc.ld_qos_maxage);
- obd_statfs_rqset(exp->exp_obd, &osfs, maxage);
+ /* issue statfs rpcs if the osfs data is older than qos_maxage - 1s,
+ * later in alloc_qos(), we will wait for those rpcs to complete if
+ * the osfs age is older than 2 * qos_maxage */
+ qos_statfs_update(exp->exp_obd,
+ cfs_time_shift_64(-lov->desc.ld_qos_maxage +
+ OBD_STATFS_CACHE_SECONDS),
+ 0);
rc = lov_prep_create_set(exp, &oinfo, ea, src_oa, oti, &set);
if (rc)
- RETURN(rc);
+ GOTO(out, rc);
- list_for_each_entry(req, &set->set_list, rq_link) {
+ cfs_list_for_each_entry(req, &set->set_list, rq_link) {
/* XXX: LOV STACKING: use real "obj_mdp" sub-data */
- rc = obd_create(lov->lov_tgts[req->rq_idx]->ltd_exp,
- req->rq_oi.oi_oa, &req->rq_oi.oi_md, oti);
- lov_update_create_set(set, req, rc);
+ rc = obd_create_async(lov->lov_tgts[req->rq_idx]->ltd_exp,
+ &req->rq_oi, &req->rq_oi.oi_md, oti);
}
+
+ /* osc_create have timeout equ obd_timeout/2 so waiting don't be
+ * longer then this */
+ l_wait_event(set->set_waitq, lov_finished_set(set), &lwi);
+
+ /* we not have ptlrpc set for assign set->interpret and should
+ * be call interpret function himself. calling from cb_create_update
+ * not permited because lov_fini_create_set can sleep for long time,
+ * but we must avoid sleeping in ptlrpcd interpret function. */
rc = lov_fini_create_set(set, ea);
+out:
+ obd_putref(exp->exp_obd);
RETURN(rc);
}
#define ASSERT_LSM_MAGIC(lsmp) \
do { \
LASSERT((lsmp) != NULL); \
- LASSERTF(((lsmp)->lsm_magic == LOV_MAGIC || \
- (lsmp)->lsm_magic == LOV_MAGIC_JOIN), "%p->lsm_magic=%x\n", \
- (lsmp), (lsmp)->lsm_magic); \
+ LASSERTF(((lsmp)->lsm_magic == LOV_MAGIC_V1 || \
+ (lsmp)->lsm_magic == LOV_MAGIC_V3), \
+ "%p->lsm_magic=%x\n", (lsmp), (lsmp)->lsm_magic); \
} while (0)
static int lov_destroy(struct obd_export *exp, struct obdo *oa,
struct lov_stripe_md *lsm, struct obd_trans_info *oti,
- struct obd_export *md_exp)
+ struct obd_export *md_exp, void *capa)
{
struct lov_request_set *set;
struct obd_info oinfo;
struct lov_request *req;
- struct list_head *pos;
+ cfs_list_t *pos;
struct lov_obd *lov;
- int rc = 0, err;
+ int rc = 0, err = 0;
ENTRY;
ASSERT_LSM_MAGIC(lsm);
}
lov = &exp->exp_obd->u.lov;
+ obd_getref(exp->exp_obd);
rc = lov_prep_destroy_set(exp, &oinfo, oa, lsm, oti, &set);
if (rc)
- RETURN(rc);
+ GOTO(out, rc);
- list_for_each (pos, &set->set_list) {
- int err;
- req = list_entry(pos, struct lov_request, rq_link);
+ cfs_list_for_each (pos, &set->set_list) {
+ req = cfs_list_entry(pos, struct lov_request, rq_link);
if (oa->o_valid & OBD_MD_FLCOOKIE)
oti->oti_logcookies = set->set_cookies + req->rq_stripe;
err = obd_destroy(lov->lov_tgts[req->rq_idx]->ltd_exp,
- req->rq_oi.oi_oa, NULL, oti, NULL);
+ req->rq_oi.oi_oa, NULL, oti, NULL, capa);
err = lov_update_common_set(set, req, err);
if (err) {
CERROR("error: destroying objid "LPX64" subobj "
rc = lsm_op_find(lsm->lsm_magic)->lsm_destroy(lsm, oa, md_exp);
}
err = lov_fini_destroy_set(set);
+out:
+ obd_putref(exp->exp_obd);
RETURN(rc ? rc : err);
}
{
struct lov_request_set *set;
struct lov_request *req;
- struct list_head *pos;
+ cfs_list_t *pos;
struct lov_obd *lov;
int err = 0, rc = 0;
ENTRY;
if (rc)
RETURN(rc);
- list_for_each (pos, &set->set_list) {
- req = list_entry(pos, struct lov_request, rq_link);
+ cfs_list_for_each (pos, &set->set_list) {
+ req = cfs_list_entry(pos, struct lov_request, rq_link);
CDEBUG(D_INFO, "objid "LPX64"[%d] has subobj "LPX64" at idx "
"%u\n", oinfo->oi_oa->o_id, req->rq_stripe,
{
struct lov_request_set *lovset;
struct lov_obd *lov;
- struct list_head *pos;
+ cfs_list_t *pos;
struct lov_request *req;
int rc = 0, err;
ENTRY;
oinfo->oi_md->lsm_object_id, oinfo->oi_md->lsm_stripe_count,
oinfo->oi_md->lsm_stripe_size);
- list_for_each (pos, &lovset->set_list) {
- req = list_entry(pos, struct lov_request, rq_link);
+ cfs_list_for_each (pos, &lovset->set_list) {
+ req = cfs_list_entry(pos, struct lov_request, rq_link);
CDEBUG(D_INFO, "objid "LPX64"[%d] has subobj "LPX64" at idx "
"%u\n", oinfo->oi_oa->o_id, req->rq_stripe,
}
}
- if (!list_empty(&rqset->set_requests)) {
+ if (!cfs_list_empty(&rqset->set_requests)) {
LASSERT(rc == 0);
LASSERT (rqset->set_interpret == NULL);
rqset->set_interpret = lov_getattr_interpret;
{
struct lov_request_set *set;
struct lov_obd *lov;
- struct list_head *pos;
+ cfs_list_t *pos;
struct lov_request *req;
int err = 0, rc = 0;
ENTRY;
OBD_MD_FLMTIME | OBD_MD_FLCTIME |
OBD_MD_FLFLAGS | OBD_MD_FLSIZE |
OBD_MD_FLGROUP | OBD_MD_FLUID |
- OBD_MD_FLGID | OBD_MD_FLINLINE |
- OBD_MD_FLFID | OBD_MD_FLGENER)));
+ OBD_MD_FLGID | OBD_MD_FLFID |
+ OBD_MD_FLGENER)));
lov = &exp->exp_obd->u.lov;
rc = lov_prep_setattr_set(exp, oinfo, oti, &set);
if (rc)
RETURN(rc);
- list_for_each (pos, &set->set_list) {
- req = list_entry(pos, struct lov_request, rq_link);
+ cfs_list_for_each (pos, &set->set_list) {
+ req = cfs_list_entry(pos, struct lov_request, rq_link);
rc = obd_setattr(lov->lov_tgts[req->rq_idx]->ltd_exp,
&req->rq_oi, NULL);
{
struct lov_request_set *set;
struct lov_request *req;
- struct list_head *pos;
+ cfs_list_t *pos;
struct lov_obd *lov;
int rc = 0;
ENTRY;
oinfo->oi_md->lsm_object_id, oinfo->oi_md->lsm_stripe_count,
oinfo->oi_md->lsm_stripe_size);
- list_for_each (pos, &set->set_list) {
- req = list_entry(pos, struct lov_request, rq_link);
+ cfs_list_for_each (pos, &set->set_list) {
+ req = cfs_list_entry(pos, struct lov_request, rq_link);
if (oinfo->oi_oa->o_valid & OBD_MD_FLCOOKIE)
oti->oti_logcookies = set->set_cookies + req->rq_stripe;
}
/* If we are not waiting for responses on async requests, return. */
- if (rc || !rqset || list_empty(&rqset->set_requests)) {
+ if (rc || !rqset || cfs_list_empty(&rqset->set_requests)) {
int err;
if (rc)
set->set_completes = 0;
{
struct lov_request_set *set;
struct lov_obd *lov;
- struct list_head *pos;
+ cfs_list_t *pos;
struct lov_request *req;
int rc = 0;
ENTRY;
if (rc)
RETURN(rc);
- list_for_each (pos, &set->set_list) {
- req = list_entry(pos, struct lov_request, rq_link);
+ cfs_list_for_each (pos, &set->set_list) {
+ req = cfs_list_entry(pos, struct lov_request, rq_link);
rc = obd_punch(lov->lov_tgts[req->rq_idx]->ltd_exp,
&req->rq_oi, NULL, rqset);
}
}
- if (rc || list_empty(&rqset->set_requests)) {
+ if (rc || cfs_list_empty(&rqset->set_requests)) {
int err;
err = lov_fini_punch_set(set);
RETURN(rc ? rc : err);
struct lov_request_set *set;
struct obd_info oinfo;
struct lov_obd *lov;
- struct list_head *pos;
+ cfs_list_t *pos;
struct lov_request *req;
int err = 0, rc = 0;
ENTRY;
if (rc)
RETURN(rc);
- list_for_each (pos, &set->set_list) {
- req = list_entry(pos, struct lov_request, rq_link);
+ cfs_list_for_each (pos, &set->set_list) {
+ req = cfs_list_entry(pos, struct lov_request, rq_link);
rc = obd_sync(lov->lov_tgts[req->rq_idx]->ltd_exp,
req->rq_oi.oi_oa, NULL,
obd_off start, end;
if (!lov_stripe_intersects(lov_oinfo->oi_md, i, pga[i].off,
- pga[i].off + pga[i].count,
+ pga[i].off + pga[i].count - 1,
&start, &end))
continue;
{
struct lov_request_set *set;
struct lov_request *req;
- struct list_head *pos;
+ cfs_list_t *pos;
struct lov_obd *lov = &exp->exp_obd->u.lov;
int err, rc = 0;
ENTRY;
if (rc)
RETURN(rc);
- list_for_each (pos, &set->set_list) {
+ cfs_list_for_each (pos, &set->set_list) {
struct obd_export *sub_exp;
struct brw_page *sub_pga;
- req = list_entry(pos, struct lov_request, rq_link);
+ req = cfs_list_entry(pos, struct lov_request, rq_link);
sub_exp = lov->lov_tgts[req->rq_idx]->ltd_exp;
sub_pga = set->set_pga + req->rq_pgaidx;
RETURN(rc);
}
-static int lov_brw_interpret(struct ptlrpc_request_set *reqset, void *data,
- int rc)
+static int lov_enqueue_interpret(struct ptlrpc_request_set *rqset,
+ void *data, int rc)
{
struct lov_request_set *lovset = (struct lov_request_set *)data;
ENTRY;
-
- if (rc) {
- lovset->set_completes = 0;
- lov_fini_brw_set(lovset);
- } else {
- rc = lov_fini_brw_set(lovset);
- }
-
+ rc = lov_fini_enqueue_set(lovset, lovset->set_ei->ei_mode, rc, rqset);
RETURN(rc);
}
-static int lov_brw_async(int cmd, struct obd_export *exp,
- struct obd_info *oinfo, obd_count oa_bufs,
- struct brw_page *pga, struct obd_trans_info *oti,
- struct ptlrpc_request_set *set)
+static int lov_enqueue(struct obd_export *exp, struct obd_info *oinfo,
+ struct ldlm_enqueue_info *einfo,
+ struct ptlrpc_request_set *rqset)
{
- struct lov_request_set *lovset;
+ ldlm_mode_t mode = einfo->ei_mode;
+ struct lov_request_set *set;
struct lov_request *req;
- struct list_head *pos;
- struct lov_obd *lov = &exp->exp_obd->u.lov;
- int rc = 0;
+ cfs_list_t *pos;
+ struct lov_obd *lov;
+ ldlm_error_t rc;
ENTRY;
LASSERT(oinfo);
ASSERT_LSM_MAGIC(oinfo->oi_md);
+ LASSERT(mode == (mode & -mode));
- if (cmd == OBD_BRW_CHECK) {
- rc = lov_brw_check(lov, oinfo, oa_bufs, pga);
- RETURN(rc);
- }
+ /* we should never be asked to replay a lock this way. */
+ LASSERT((oinfo->oi_flags & LDLM_FL_REPLAY) == 0);
- rc = lov_prep_brw_set(exp, oinfo, oa_bufs, pga, oti, &lovset);
+ if (!exp || !exp->exp_obd)
+ RETURN(-ENODEV);
+
+ lov = &exp->exp_obd->u.lov;
+ rc = lov_prep_enqueue_set(exp, oinfo, einfo, &set);
if (rc)
RETURN(rc);
- list_for_each (pos, &lovset->set_list) {
- struct obd_export *sub_exp;
- struct brw_page *sub_pga;
- req = list_entry(pos, struct lov_request, rq_link);
+ cfs_list_for_each (pos, &set->set_list) {
+ req = cfs_list_entry(pos, struct lov_request, rq_link);
- sub_exp = lov->lov_tgts[req->rq_idx]->ltd_exp;
- sub_pga = lovset->set_pga + req->rq_pgaidx;
- rc = obd_brw_async(cmd, sub_exp, &req->rq_oi, req->rq_oabufs,
- sub_pga, oti, set);
- if (rc)
+ rc = obd_enqueue(lov->lov_tgts[req->rq_idx]->ltd_exp,
+ &req->rq_oi, einfo, rqset);
+ if (rc != ELDLM_OK)
GOTO(out, rc);
- lov_update_common_set(lovset, req, rc);
}
- LASSERT(rc == 0);
- LASSERT(set->set_interpret == NULL);
- set->set_interpret = (set_interpreter_func)lov_brw_interpret;
- set->set_arg = (void *)lovset;
- RETURN(rc);
+ if (rqset && !cfs_list_empty(&rqset->set_requests)) {
+ LASSERT(rc == 0);
+ LASSERT(rqset->set_interpret == NULL);
+ rqset->set_interpret = lov_enqueue_interpret;
+ rqset->set_arg = (void *)set;
+ RETURN(rc);
+ }
out:
- lov_fini_brw_set(lovset);
+ rc = lov_fini_enqueue_set(set, mode, rc, rqset);
RETURN(rc);
}
-static int lov_ap_make_ready(void *data, int cmd)
+static int lov_change_cbdata(struct obd_export *exp,
+ struct lov_stripe_md *lsm, ldlm_iterator_t it,
+ void *data)
{
- struct lov_async_page *lap = LAP_FROM_COOKIE(data);
-
- return lap->lap_caller_ops->ap_make_ready(lap->lap_caller_data, cmd);
-}
+ struct lov_obd *lov;
+ int rc = 0, i;
+ ENTRY;
-static int lov_ap_refresh_count(void *data, int cmd)
-{
- struct lov_async_page *lap = LAP_FROM_COOKIE(data);
+ ASSERT_LSM_MAGIC(lsm);
- return lap->lap_caller_ops->ap_refresh_count(lap->lap_caller_data,
- cmd);
-}
+ if (!exp || !exp->exp_obd)
+ RETURN(-ENODEV);
-static void lov_ap_fill_obdo(void *data, int cmd, struct obdo *oa)
-{
- struct lov_async_page *lap = LAP_FROM_COOKIE(data);
-
- lap->lap_caller_ops->ap_fill_obdo(lap->lap_caller_data, cmd, oa);
- /* XXX woah, shouldn't we be altering more here? size? */
- oa->o_id = lap->lap_loi_id;
- oa->o_gr = lap->lap_loi_gr;
- oa->o_valid |= OBD_MD_FLGROUP;
- oa->o_stripe_idx = lap->lap_stripe;
-}
+ lov = &exp->exp_obd->u.lov;
+ for (i = 0; i < lsm->lsm_stripe_count; i++) {
+ struct lov_stripe_md submd;
+ struct lov_oinfo *loi = lsm->lsm_oinfo[i];
-static void lov_ap_update_obdo(void *data, int cmd, struct obdo *oa,
- obd_valid valid)
-{
- struct lov_async_page *lap = LAP_FROM_COOKIE(data);
+ if (!lov->lov_tgts[loi->loi_ost_idx]) {
+ CDEBUG(D_HA, "lov idx %d NULL \n", loi->loi_ost_idx);
+ continue;
+ }
- lap->lap_caller_ops->ap_update_obdo(lap->lap_caller_data, cmd,oa,valid);
+ LASSERT_SEQ_IS_MDT(loi->loi_seq);
+ submd.lsm_object_id = loi->loi_id;
+ submd.lsm_object_seq = loi->loi_seq;
+ submd.lsm_stripe_count = 0;
+ rc = obd_change_cbdata(lov->lov_tgts[loi->loi_ost_idx]->ltd_exp,
+ &submd, it, data);
+ }
+ RETURN(rc);
}
-static int lov_ap_completion(void *data, int cmd, struct obdo *oa, int rc)
+/* find any ldlm lock of the inode in lov
+ * return 0 not find
+ * 1 find one
+ * < 0 error */
+static int lov_find_cbdata(struct obd_export *exp,
+ struct lov_stripe_md *lsm, ldlm_iterator_t it,
+ void *data)
{
- struct lov_async_page *lap = LAP_FROM_COOKIE(data);
-
- /* in a raid1 regime this would down a count of many ios
- * in flight, onl calling the caller_ops completion when all
- * the raid1 ios are complete */
- rc = lap->lap_caller_ops->ap_completion(lap->lap_caller_data,cmd,oa,rc);
- return rc;
-}
+ struct lov_obd *lov;
+ int rc = 0, i;
+ ENTRY;
-static struct obd_capa *lov_ap_lookup_capa(void *data, int cmd)
-{
- struct lov_async_page *lap = LAP_FROM_COOKIE(data);
- return lap->lap_caller_ops->ap_lookup_capa(lap->lap_caller_data, cmd);
-}
+ ASSERT_LSM_MAGIC(lsm);
-static struct obd_async_page_ops lov_async_page_ops = {
- .ap_make_ready = lov_ap_make_ready,
- .ap_refresh_count = lov_ap_refresh_count,
- .ap_fill_obdo = lov_ap_fill_obdo,
- .ap_update_obdo = lov_ap_update_obdo,
- .ap_completion = lov_ap_completion,
- .ap_lookup_capa = lov_ap_lookup_capa,
-};
+ if (!exp || !exp->exp_obd)
+ RETURN(-ENODEV);
-int lov_prep_async_page(struct obd_export *exp, struct lov_stripe_md *lsm,
- struct lov_oinfo *loi, cfs_page_t *page,
- obd_off offset, struct obd_async_page_ops *ops,
- void *data, void **res)
-{
- struct lov_obd *lov = &exp->exp_obd->u.lov;
- struct lov_async_page *lap;
- int rc = 0;
- ENTRY;
+ lov = &exp->exp_obd->u.lov;
+ for (i = 0; i < lsm->lsm_stripe_count; i++) {
+ struct lov_stripe_md submd;
+ struct lov_oinfo *loi = lsm->lsm_oinfo[i];
- if (!page) {
- int i = 0;
- /* Find an existing osc so we can get it's stupid sizeof(*oap).
- Only because of this layering limitation will a client
- mount with no osts fail */
- while (!lov->lov_tgts || !lov->lov_tgts[i] ||
- !lov->lov_tgts[i]->ltd_exp) {
- i++;
- if (i >= lov->desc.ld_tgt_count)
- RETURN(-ENOMEDIUM);
+ if (!lov->lov_tgts[loi->loi_ost_idx]) {
+ CDEBUG(D_HA, "lov idx %d NULL \n", loi->loi_ost_idx);
+ continue;
}
- rc = size_round(sizeof(*lap)) +
- obd_prep_async_page(lov->lov_tgts[i]->ltd_exp, NULL,
- NULL, NULL, 0, NULL, NULL, NULL);
- RETURN(rc);
+
+ LASSERT_SEQ_IS_MDT(loi->loi_seq);
+ submd.lsm_object_id = loi->loi_id;
+ submd.lsm_object_seq = loi->loi_seq;
+ submd.lsm_stripe_count = 0;
+ rc = obd_find_cbdata(lov->lov_tgts[loi->loi_ost_idx]->ltd_exp,
+ &submd, it, data);
+ if (rc != 0)
+ RETURN(rc);
}
- ASSERT_LSM_MAGIC(lsm);
- LASSERT(loi == NULL);
-
- lap = *res;
- lap->lap_magic = LOV_AP_MAGIC;
- lap->lap_caller_ops = ops;
- lap->lap_caller_data = data;
-
- /* for now only raid 0 which passes through */
- lap->lap_stripe = lov_stripe_number(lsm, offset);
- lov_stripe_offset(lsm, offset, lap->lap_stripe, &lap->lap_sub_offset);
- loi = lsm->lsm_oinfo[lap->lap_stripe];
-
- /* so the callback doesn't need the lsm */
- lap->lap_loi_id = loi->loi_id;
- lap->lap_loi_gr = lsm->lsm_object_gr;
- LASSERT(lsm->lsm_object_gr > 0);
-
- lap->lap_sub_cookie = (void *)lap + size_round(sizeof(*lap));
-
- rc = obd_prep_async_page(lov->lov_tgts[loi->loi_ost_idx]->ltd_exp,
- lsm, loi, page, lap->lap_sub_offset,
- &lov_async_page_ops, lap,
- &lap->lap_sub_cookie);
- if (rc)
- RETURN(rc);
- CDEBUG(D_CACHE, "lap %p page %p cookie %p off "LPU64"\n", lap, page,
- lap->lap_sub_cookie, offset);
- RETURN(0);
+ RETURN(rc);
}
-static int lov_queue_async_io(struct obd_export *exp,
- struct lov_stripe_md *lsm,
- struct lov_oinfo *loi, void *cookie,
- int cmd, obd_off off, int count,
- obd_flag brw_flags, obd_flag async_flags)
-{
- struct lov_obd *lov = &exp->exp_obd->u.lov;
- struct lov_async_page *lap;
- int rc;
-
- LASSERT(loi == NULL);
-
- ASSERT_LSM_MAGIC(lsm);
-
- lap = LAP_FROM_COOKIE(cookie);
-
- loi = lsm->lsm_oinfo[lap->lap_stripe];
-
- rc = obd_queue_async_io(lov->lov_tgts[loi->loi_ost_idx]->ltd_exp, lsm,
- loi, lap->lap_sub_cookie, cmd, off, count,
- brw_flags, async_flags);
- RETURN(rc);
-}
-
-static int lov_set_async_flags(struct obd_export *exp,
- struct lov_stripe_md *lsm,
- struct lov_oinfo *loi, void *cookie,
- obd_flag async_flags)
-{
- struct lov_obd *lov = &exp->exp_obd->u.lov;
- struct lov_async_page *lap;
- int rc;
-
- LASSERT(loi == NULL);
-
- ASSERT_LSM_MAGIC(lsm);
-
- lap = LAP_FROM_COOKIE(cookie);
-
- loi = lsm->lsm_oinfo[lap->lap_stripe];
-
- rc = obd_set_async_flags(lov->lov_tgts[loi->loi_ost_idx]->ltd_exp,
- lsm, loi, lap->lap_sub_cookie, async_flags);
- RETURN(rc);
-}
-
-static int lov_queue_group_io(struct obd_export *exp,
- struct lov_stripe_md *lsm,
- struct lov_oinfo *loi,
- struct obd_io_group *oig, void *cookie,
- int cmd, obd_off off, int count,
- obd_flag brw_flags, obd_flag async_flags)
-{
- struct lov_obd *lov = &exp->exp_obd->u.lov;
- struct lov_async_page *lap;
- int rc;
-
- LASSERT(loi == NULL);
-
- ASSERT_LSM_MAGIC(lsm);
-
- lap = LAP_FROM_COOKIE(cookie);
-
- loi = lsm->lsm_oinfo[lap->lap_stripe];
-
- rc = obd_queue_group_io(lov->lov_tgts[loi->loi_ost_idx]->ltd_exp, lsm,
- loi, oig, lap->lap_sub_cookie, cmd, off, count,
- brw_flags, async_flags);
- RETURN(rc);
-}
-
-/* this isn't exactly optimal. we may have queued sync io in oscs on
- * all stripes, but we don't record that fact at queue time. so we
- * trigger sync io on all stripes. */
-static int lov_trigger_group_io(struct obd_export *exp,
- struct lov_stripe_md *lsm,
- struct lov_oinfo *loi,
- struct obd_io_group *oig)
-{
- struct lov_obd *lov = &exp->exp_obd->u.lov;
- int rc = 0, i, err;
-
- LASSERT(loi == NULL);
-
- ASSERT_LSM_MAGIC(lsm);
-
- for (i = 0; i < lsm->lsm_stripe_count; i++) {
- loi = lsm->lsm_oinfo[i];
- if (!lov->lov_tgts[loi->loi_ost_idx] ||
- !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
- CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
- continue;
- }
-
- err = obd_trigger_group_io(lov->lov_tgts[loi->loi_ost_idx]->ltd_exp,
- lsm, loi, oig);
- if (rc == 0 && err != 0)
- rc = err;
- };
- RETURN(rc);
-}
-
-static int lov_teardown_async_page(struct obd_export *exp,
- struct lov_stripe_md *lsm,
- struct lov_oinfo *loi, void *cookie)
-{
- struct lov_obd *lov = &exp->exp_obd->u.lov;
- struct lov_async_page *lap;
- int rc;
-
- LASSERT(loi == NULL);
-
- ASSERT_LSM_MAGIC(lsm);
-
- lap = LAP_FROM_COOKIE(cookie);
-
- loi = lsm->lsm_oinfo[lap->lap_stripe];
-
- rc = obd_teardown_async_page(lov->lov_tgts[loi->loi_ost_idx]->ltd_exp,
- lsm, loi, lap->lap_sub_cookie);
- if (rc) {
- CERROR("unable to teardown sub cookie %p: %d\n",
- lap->lap_sub_cookie, rc);
- RETURN(rc);
- }
- RETURN(rc);
-}
-
-static int lov_enqueue_interpret(struct ptlrpc_request_set *rqset,
- void *data, int rc)
-{
- struct lov_request_set *lovset = (struct lov_request_set *)data;
- ENTRY;
- rc = lov_fini_enqueue_set(lovset, lovset->set_ei->ei_mode, rc, rqset);
- RETURN(rc);
-}
-
-static int lov_enqueue(struct obd_export *exp, struct obd_info *oinfo,
- struct ldlm_enqueue_info *einfo,
- struct ptlrpc_request_set *rqset)
-{
- ldlm_mode_t mode = einfo->ei_mode;
- struct lov_request_set *set;
- struct lov_request *req;
- struct list_head *pos;
- struct lov_obd *lov;
- ldlm_error_t rc;
- ENTRY;
-
- LASSERT(oinfo);
- ASSERT_LSM_MAGIC(oinfo->oi_md);
- LASSERT(mode == (mode & -mode));
-
- /* we should never be asked to replay a lock this way. */
- LASSERT((oinfo->oi_flags & LDLM_FL_REPLAY) == 0);
-
- if (!exp || !exp->exp_obd)
- RETURN(-ENODEV);
-
- lov = &exp->exp_obd->u.lov;
- rc = lov_prep_enqueue_set(exp, oinfo, einfo, &set);
- if (rc)
- RETURN(rc);
-
- list_for_each (pos, &set->set_list) {
- req = list_entry(pos, struct lov_request, rq_link);
-
- rc = obd_enqueue(lov->lov_tgts[req->rq_idx]->ltd_exp,
- &req->rq_oi, einfo, rqset);
- if (rc != ELDLM_OK)
- GOTO(out, rc);
- }
-
- if (rqset && !list_empty(&rqset->set_requests)) {
- LASSERT(rc == 0);
- LASSERT(rqset->set_interpret == NULL);
- rqset->set_interpret = lov_enqueue_interpret;
- rqset->set_arg = (void *)set;
- RETURN(rc);
- }
-out:
- rc = lov_fini_enqueue_set(set, mode, rc, rqset);
- RETURN(rc);
-}
-
-static int lov_match(struct obd_export *exp, struct lov_stripe_md *lsm,
- __u32 type, ldlm_policy_data_t *policy, __u32 mode,
- int *flags, void *data, struct lustre_handle *lockh)
+static int lov_cancel(struct obd_export *exp, struct lov_stripe_md *lsm,
+ __u32 mode, struct lustre_handle *lockh)
{
struct lov_request_set *set;
struct obd_info oinfo;
struct lov_request *req;
- struct list_head *pos;
- struct lov_obd *lov = &exp->exp_obd->u.lov;
- struct lustre_handle *lov_lockhp;
- int lov_flags, rc = 0;
- ENTRY;
-
- ASSERT_LSM_MAGIC(lsm);
- LASSERT((*flags & LDLM_FL_TEST_LOCK) || mode == (mode & -mode));
-
- if (!exp || !exp->exp_obd)
- RETURN(-ENODEV);
-
- lov = &exp->exp_obd->u.lov;
- rc = lov_prep_match_set(exp, &oinfo, lsm, policy, mode, lockh, &set);
- if (rc)
- RETURN(rc);
-
- list_for_each (pos, &set->set_list) {
- ldlm_policy_data_t sub_policy;
- req = list_entry(pos, struct lov_request, rq_link);
- lov_lockhp = set->set_lockh->llh_handles + req->rq_stripe;
- LASSERT(lov_lockhp);
-
- lov_flags = *flags;
- sub_policy.l_extent = req->rq_oi.oi_policy.l_extent;
-
- rc = obd_match(lov->lov_tgts[req->rq_idx]->ltd_exp,
- req->rq_oi.oi_md, type, &sub_policy,
- mode, &lov_flags, data, lov_lockhp);
- rc = lov_update_match_set(set, req, rc);
- if (rc <= 0)
- break;
- }
- lov_fini_match_set(set, mode, *flags);
- RETURN(rc);
-}
-
-static int lov_change_cbdata(struct obd_export *exp,
- struct lov_stripe_md *lsm, ldlm_iterator_t it,
- void *data)
-{
+ cfs_list_t *pos;
struct lov_obd *lov;
- int rc = 0, i;
- ENTRY;
-
- ASSERT_LSM_MAGIC(lsm);
-
- if (!exp || !exp->exp_obd)
- RETURN(-ENODEV);
-
- LASSERT(lsm->lsm_object_gr > 0);
-
- lov = &exp->exp_obd->u.lov;
- for (i = 0; i < lsm->lsm_stripe_count; i++) {
- struct lov_stripe_md submd;
- struct lov_oinfo *loi = lsm->lsm_oinfo[i];
-
- if (!lov->lov_tgts[loi->loi_ost_idx]) {
- CDEBUG(D_HA, "lov idx %d NULL \n", loi->loi_ost_idx);
- continue;
- }
-
- submd.lsm_object_id = loi->loi_id;
- submd.lsm_object_gr = lsm->lsm_object_gr;
- submd.lsm_stripe_count = 0;
- rc = obd_change_cbdata(lov->lov_tgts[loi->loi_ost_idx]->ltd_exp,
- &submd, it, data);
- }
- RETURN(rc);
-}
-
-static int lov_cancel(struct obd_export *exp, struct lov_stripe_md *lsm,
- __u32 mode, struct lustre_handle *lockh)
-{
- struct lov_request_set *set;
- struct obd_info oinfo;
- struct lov_request *req;
- struct list_head *pos;
- struct lov_obd *lov = &exp->exp_obd->u.lov;
struct lustre_handle *lov_lockhp;
int err = 0, rc = 0;
ENTRY;
if (!exp || !exp->exp_obd)
RETURN(-ENODEV);
- LASSERT(lsm->lsm_object_gr > 0);
+ LASSERT_SEQ_IS_MDT(lsm->lsm_object_seq);
LASSERT(lockh);
lov = &exp->exp_obd->u.lov;
rc = lov_prep_cancel_set(exp, &oinfo, lsm, mode, lockh, &set);
if (rc)
RETURN(rc);
- list_for_each (pos, &set->set_list) {
- req = list_entry(pos, struct lov_request, rq_link);
+ cfs_list_for_each (pos, &set->set_list) {
+ req = cfs_list_entry(pos, struct lov_request, rq_link);
lov_lockhp = set->set_lockh->llh_handles + req->rq_stripe;
rc = obd_cancel(lov->lov_tgts[req->rq_idx]->ltd_exp,
static int lov_cancel_unused(struct obd_export *exp,
struct lov_stripe_md *lsm,
- int flags, void *opaque)
+ ldlm_cancel_flags_t flags, void *opaque)
{
struct lov_obd *lov;
int rc = 0, i;
ASSERT_LSM_MAGIC(lsm);
- LASSERT(lsm->lsm_object_gr > 0);
+ LASSERT_SEQ_IS_MDT(lsm->lsm_object_seq);
for (i = 0; i < lsm->lsm_stripe_count; i++) {
struct lov_stripe_md submd;
struct lov_oinfo *loi = lsm->lsm_oinfo[i];
CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
submd.lsm_object_id = loi->loi_id;
- submd.lsm_object_gr = lsm->lsm_object_gr;
+ submd.lsm_object_seq = loi->loi_seq;
submd.lsm_stripe_count = 0;
err = obd_cancel_unused(lov->lov_tgts[loi->loi_ost_idx]->ltd_exp,
&submd, flags, opaque);
RETURN(rc);
}
-static int lov_join_lru(struct obd_export *exp,
- struct lov_stripe_md *lsm, int join)
-{
- struct lov_obd *lov;
- int i, count = 0;
- ENTRY;
-
- ASSERT_LSM_MAGIC(lsm);
- if (!exp || !exp->exp_obd)
- RETURN(-ENODEV);
-
- lov = &exp->exp_obd->u.lov;
- for (i = 0; i < lsm->lsm_stripe_count; i++) {
- struct lov_stripe_md submd;
- struct lov_oinfo *loi = lsm->lsm_oinfo[i];
- int rc = 0;
-
- if (!lov->lov_tgts[loi->loi_ost_idx]) {
- CDEBUG(D_HA, "lov idx %d NULL\n", loi->loi_ost_idx);
- continue;
- }
-
- if (!lov->lov_tgts[loi->loi_ost_idx]->ltd_active)
- CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
-
- submd.lsm_object_id = loi->loi_id;
- submd.lsm_object_gr = lsm->lsm_object_gr;
- submd.lsm_stripe_count = 0;
- rc = obd_join_lru(lov->lov_tgts[loi->loi_ost_idx]->ltd_exp,
- &submd, join);
- if (rc < 0) {
- CERROR("join lru failed. objid: "LPX64" subobj: "LPX64
- " ostidx: %d rc: %d\n", lsm->lsm_object_id,
- loi->loi_id, loi->loi_ost_idx, rc);
- return rc;
- } else {
- count += rc;
- }
- }
- RETURN(count);
-}
-
-static int lov_statfs_interpret(struct ptlrpc_request_set *rqset,
- void *data, int rc)
+int lov_statfs_interpret(struct ptlrpc_request_set *rqset, void *data, int rc)
{
struct lov_request_set *lovset = (struct lov_request_set *)data;
int err;
{
struct lov_request_set *set;
struct lov_request *req;
- struct list_head *pos;
+ cfs_list_t *pos;
struct lov_obd *lov;
int rc = 0;
ENTRY;
-
+
LASSERT(oinfo != NULL);
LASSERT(oinfo->oi_osfs != NULL);
if (rc)
RETURN(rc);
- list_for_each (pos, &set->set_list) {
+ cfs_list_for_each (pos, &set->set_list) {
struct obd_device *osc_obd;
- req = list_entry(pos, struct lov_request, rq_link);
+ req = cfs_list_entry(pos, struct lov_request, rq_link);
osc_obd = class_exp2obd(lov->lov_tgts[req->rq_idx]->ltd_exp);
rc = obd_statfs_async(osc_obd, &req->rq_oi, max_age, rqset);
break;
}
- if (rc || list_empty(&rqset->set_requests)) {
+ if (rc || cfs_list_empty(&rqset->set_requests)) {
int err;
if (rc)
set->set_completes = 0;
}
static int lov_statfs(struct obd_device *obd, struct obd_statfs *osfs,
- __u64 max_age)
+ __u64 max_age, __u32 flags)
{
- struct lov_obd *lov = &obd->u.lov;
- struct obd_statfs lov_sfs;
- int set = 0;
- int rc = 0, err;
- int i;
+ struct ptlrpc_request_set *set = NULL;
+ struct obd_info oinfo = { { { 0 } } };
+ int rc = 0;
ENTRY;
- /* We only get block data from the OBD */
- for (i = 0; i < lov->desc.ld_tgt_count; i++) {
- if (!lov->lov_tgts[i] || !lov->lov_tgts[i]->ltd_active) {
- CDEBUG(D_HA, "lov idx %d inactive\n", i);
- continue;
- }
- err = obd_statfs(class_exp2obd(lov->lov_tgts[i]->ltd_exp),
- &lov_sfs, max_age);
- if (err) {
- if (lov->lov_tgts[i]->ltd_active && !rc)
- rc = err;
- continue;
- }
- lov_update_statfs(class_exp2obd(lov->lov_tgts[i]->ltd_exp),
- osfs, &lov_sfs, set);
- set++;
- }
+ /* for obdclass we forbid using obd_statfs_rqset, but prefer using async
+ * statfs requests */
+ set = ptlrpc_prep_set();
+ if (set == NULL)
+ RETURN(-ENOMEM);
- err = lov_fini_statfs(obd, osfs, set);
- qos_update(lov);
+ oinfo.oi_osfs = osfs;
+ oinfo.oi_flags = flags;
+ rc = lov_statfs_async(obd, &oinfo, max_age, set);
+ if (rc == 0)
+ rc = ptlrpc_set_wait(set);
+ ptlrpc_set_destroy(set);
- RETURN(rc ? rc : err);
+ RETURN(rc);
}
static int lov_iocontrol(unsigned int cmd, struct obd_export *exp, int len,
{
struct obd_device *obddev = class_exp2obd(exp);
struct lov_obd *lov = &obddev->u.lov;
- int i, rc, count = lov->desc.ld_tgt_count;
+ int i = 0, rc = 0, count = lov->desc.ld_tgt_count;
struct obd_uuid *uuidp;
ENTRY;
switch (cmd) {
+ case IOC_OBD_STATFS: {
+ struct obd_ioctl_data *data = karg;
+ struct obd_device *osc_obd;
+ struct obd_statfs stat_buf = {0};
+ __u32 index;
+
+ memcpy(&index, data->ioc_inlbuf2, sizeof(__u32));
+ if ((index >= count))
+ RETURN(-ENODEV);
+
+ if (!lov->lov_tgts[index])
+ /* Try again with the next index */
+ RETURN(-EAGAIN);
+ if (!lov->lov_tgts[index]->ltd_active)
+ RETURN(-ENODATA);
+
+ osc_obd = class_exp2obd(lov->lov_tgts[index]->ltd_exp);
+ if (!osc_obd)
+ RETURN(-EINVAL);
+
+ /* copy UUID */
+ if (cfs_copy_to_user(data->ioc_pbuf2, obd2cli_tgt(osc_obd),
+ min((int) data->ioc_plen2,
+ (int) sizeof(struct obd_uuid))))
+ RETURN(-EFAULT);
+
+ /* got statfs data */
+ rc = obd_statfs(osc_obd, &stat_buf,
+ cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS),
+ 0);
+ if (rc)
+ RETURN(rc);
+ if (cfs_copy_to_user(data->ioc_pbuf1, &stat_buf,
+ min((int) data->ioc_plen1,
+ (int) sizeof(stat_buf))))
+ RETURN(-EFAULT);
+ break;
+ }
case OBD_IOC_LOV_GET_CONFIG: {
struct obd_ioctl_data *data;
struct lov_desc *desc;
*genp = lov->lov_tgts[i]->ltd_gen;
}
- rc = copy_to_user((void *)uarg, buf, len);
- if (rc)
+ if (cfs_copy_to_user((void *)uarg, buf, len))
rc = -EFAULT;
obd_ioctl_freedata(buf, len);
break;
}
case LL_IOC_LOV_SETSTRIPE:
- rc = lov_setstripe(exp, karg, uarg);
+ rc = lov_setstripe(exp, len, karg, uarg);
break;
case LL_IOC_LOV_GETSTRIPE:
rc = lov_getstripe(exp, karg, uarg);
case LL_IOC_LOV_SETEA:
rc = lov_setea(exp, karg, uarg);
break;
+ case OBD_IOC_QUOTACTL: {
+ struct if_quotactl *qctl = karg;
+ struct lov_tgt_desc *tgt = NULL;
+ struct obd_quotactl *oqctl;
+
+ if (qctl->qc_valid == QC_OSTIDX) {
+ if (qctl->qc_idx < 0 || count <= qctl->qc_idx)
+ RETURN(-EINVAL);
+
+ tgt = lov->lov_tgts[qctl->qc_idx];
+ if (!tgt || !tgt->ltd_exp)
+ RETURN(-EINVAL);
+ } else if (qctl->qc_valid == QC_UUID) {
+ for (i = 0; i < count; i++) {
+ tgt = lov->lov_tgts[i];
+ if (!tgt ||
+ !obd_uuid_equals(&tgt->ltd_uuid,
+ &qctl->obd_uuid))
+ continue;
+
+ if (tgt->ltd_exp == NULL)
+ RETURN(-EINVAL);
+
+ break;
+ }
+ } else {
+ RETURN(-EINVAL);
+ }
+
+ if (i >= count)
+ RETURN(-EAGAIN);
+
+ LASSERT(tgt && tgt->ltd_exp);
+ OBD_ALLOC_PTR(oqctl);
+ if (!oqctl)
+ RETURN(-ENOMEM);
+
+ QCTL_COPY(oqctl, qctl);
+ rc = obd_quotactl(tgt->ltd_exp, oqctl);
+ if (rc == 0) {
+ QCTL_COPY(qctl, oqctl);
+ qctl->qc_valid = QC_OSTIDX;
+ qctl->obd_uuid = tgt->ltd_uuid;
+ }
+ OBD_FREE_PTR(oqctl);
+ break;
+ }
default: {
int set = 0;
if (count == 0)
RETURN(-ENOTTY);
- rc = 0;
for (i = 0; i < count; i++) {
int err;
+ struct obd_device *osc_obd;
/* OST was disconnected */
if (!lov->lov_tgts[i] || !lov->lov_tgts[i]->ltd_exp)
continue;
+ /* ll_umount_begin() sets force flag but for lov, not
+ * osc. Let's pass it through */
+ osc_obd = class_exp2obd(lov->lov_tgts[i]->ltd_exp);
+ osc_obd->obd_force = obddev->obd_force;
err = obd_iocontrol(cmd, lov->lov_tgts[i]->ltd_exp,
len, karg, uarg);
if (err == -ENODATA && cmd == OBD_IOC_POLL_QUOTACHECK) {
RETURN(rc);
}
+#define FIEMAP_BUFFER_SIZE 4096
+
+/**
+ * Non-zero fe_logical indicates that this is a continuation FIEMAP
+ * call. The local end offset and the device are sent in the first
+ * fm_extent. This function calculates the stripe number from the index.
+ * This function returns a stripe_no on which mapping is to be restarted.
+ *
+ * This function returns fm_end_offset which is the in-OST offset at which
+ * mapping should be restarted. If fm_end_offset=0 is returned then caller
+ * will re-calculate proper offset in next stripe.
+ * Note that the first extent is passed to lov_get_info via the value field.
+ *
+ * \param fiemap fiemap request header
+ * \param lsm striping information for the file
+ * \param fm_start logical start of mapping
+ * \param fm_end logical end of mapping
+ * \param start_stripe starting stripe will be returned in this
+ */
+obd_size fiemap_calc_fm_end_offset(struct ll_user_fiemap *fiemap,
+ struct lov_stripe_md *lsm, obd_size fm_start,
+ obd_size fm_end, int *start_stripe)
+{
+ obd_size local_end = fiemap->fm_extents[0].fe_logical;
+ obd_off lun_start, lun_end;
+ obd_size fm_end_offset;
+ int stripe_no = -1, i;
+
+ if (fiemap->fm_extent_count == 0 ||
+ fiemap->fm_extents[0].fe_logical == 0)
+ return 0;
+
+ /* Find out stripe_no from ost_index saved in the fe_device */
+ for (i = 0; i < lsm->lsm_stripe_count; i++) {
+ if (lsm->lsm_oinfo[i]->loi_ost_idx ==
+ fiemap->fm_extents[0].fe_device) {
+ stripe_no = i;
+ break;
+ }
+ }
+
+ /* If we have finished mapping on previous device, shift logical
+ * offset to start of next device */
+ if ((lov_stripe_intersects(lsm, stripe_no, fm_start, fm_end,
+ &lun_start, &lun_end)) != 0 &&
+ local_end < lun_end) {
+ fm_end_offset = local_end;
+ *start_stripe = stripe_no;
+ } else {
+ /* This is a special value to indicate that caller should
+ * calculate offset in next stripe. */
+ fm_end_offset = 0;
+ *start_stripe = (stripe_no + 1) % lsm->lsm_stripe_count;
+ }
+
+ return fm_end_offset;
+}
+
+/**
+ * We calculate on which OST the mapping will end. If the length of mapping
+ * is greater than (stripe_size * stripe_count) then the last_stripe will
+ * will be one just before start_stripe. Else we check if the mapping
+ * intersects each OST and find last_stripe.
+ * This function returns the last_stripe and also sets the stripe_count
+ * over which the mapping is spread
+ *
+ * \param lsm striping information for the file
+ * \param fm_start logical start of mapping
+ * \param fm_end logical end of mapping
+ * \param start_stripe starting stripe of the mapping
+ * \param stripe_count the number of stripes across which to map is returned
+ *
+ * \retval last_stripe return the last stripe of the mapping
+ */
+int fiemap_calc_last_stripe(struct lov_stripe_md *lsm, obd_size fm_start,
+ obd_size fm_end, int start_stripe,
+ int *stripe_count)
+{
+ int last_stripe;
+ obd_off obd_start, obd_end;
+ int i, j;
+
+ if (fm_end - fm_start > lsm->lsm_stripe_size * lsm->lsm_stripe_count) {
+ last_stripe = (start_stripe < 1 ? lsm->lsm_stripe_count - 1 :
+ start_stripe - 1);
+ *stripe_count = lsm->lsm_stripe_count;
+ } else {
+ for (j = 0, i = start_stripe; j < lsm->lsm_stripe_count;
+ i = (i + 1) % lsm->lsm_stripe_count, j++) {
+ if ((lov_stripe_intersects(lsm, i, fm_start, fm_end,
+ &obd_start, &obd_end)) == 0)
+ break;
+ }
+ *stripe_count = j;
+ last_stripe = (start_stripe + j - 1) %lsm->lsm_stripe_count;
+ }
+
+ return last_stripe;
+}
+
+/**
+ * Set fe_device and copy extents from local buffer into main return buffer.
+ *
+ * \param fiemap fiemap request header
+ * \param lcl_fm_ext array of local fiemap extents to be copied
+ * \param ost_index OST index to be written into the fm_device field for each
+ extent
+ * \param ext_count number of extents to be copied
+ * \param current_extent where to start copying in main extent array
+ */
+void fiemap_prepare_and_copy_exts(struct ll_user_fiemap *fiemap,
+ struct ll_fiemap_extent *lcl_fm_ext,
+ int ost_index, unsigned int ext_count,
+ int current_extent)
+{
+ char *to;
+ int ext;
+
+ for (ext = 0; ext < ext_count; ext++) {
+ lcl_fm_ext[ext].fe_device = ost_index;
+ lcl_fm_ext[ext].fe_flags |= FIEMAP_EXTENT_NET;
+ }
+
+ /* Copy fm_extent's from fm_local to return buffer */
+ to = (char *)fiemap + fiemap_count_to_size(current_extent);
+ memcpy(to, lcl_fm_ext, ext_count * sizeof(struct ll_fiemap_extent));
+}
+
+/**
+ * Break down the FIEMAP request and send appropriate calls to individual OSTs.
+ * This also handles the restarting of FIEMAP calls in case mapping overflows
+ * the available number of extents in single call.
+ */
+static int lov_fiemap(struct lov_obd *lov, __u32 keylen, void *key,
+ __u32 *vallen, void *val, struct lov_stripe_md *lsm)
+{
+ struct ll_fiemap_info_key *fm_key = key;
+ struct ll_user_fiemap *fiemap = val;
+ struct ll_user_fiemap *fm_local = NULL;
+ struct ll_fiemap_extent *lcl_fm_ext;
+ int count_local;
+ unsigned int get_num_extents = 0;
+ int ost_index = 0, actual_start_stripe, start_stripe;
+ obd_size fm_start, fm_end, fm_length, fm_end_offset = 0;
+ obd_size curr_loc;
+ int current_extent = 0, rc = 0, i;
+ int ost_eof = 0; /* EOF for object */
+ int ost_done = 0; /* done with required mapping for this OST? */
+ int last_stripe;
+ int cur_stripe = 0, cur_stripe_wrap = 0, stripe_count;
+ unsigned int buffer_size = FIEMAP_BUFFER_SIZE;
+
+ if (lsm == NULL)
+ GOTO(out, rc = 0);
+
+ if (fiemap_count_to_size(fm_key->fiemap.fm_extent_count) < buffer_size)
+ buffer_size = fiemap_count_to_size(fm_key->fiemap.fm_extent_count);
+
+ OBD_ALLOC(fm_local, buffer_size);
+ if (fm_local == NULL)
+ GOTO(out, rc = -ENOMEM);
+ lcl_fm_ext = &fm_local->fm_extents[0];
+
+ count_local = fiemap_size_to_count(buffer_size);
+
+ memcpy(fiemap, &fm_key->fiemap, sizeof(*fiemap));
+ fm_start = fiemap->fm_start;
+ fm_length = fiemap->fm_length;
+ /* Calculate start stripe, last stripe and length of mapping */
+ actual_start_stripe = start_stripe = lov_stripe_number(lsm, fm_start);
+ fm_end = (fm_length == ~0ULL ? fm_key->oa.o_size :
+ fm_start + fm_length - 1);
+ /* If fm_length != ~0ULL but fm_start+fm_length-1 exceeds file size */
+ if (fm_end > fm_key->oa.o_size)
+ fm_end = fm_key->oa.o_size;
+
+ last_stripe = fiemap_calc_last_stripe(lsm, fm_start, fm_end,
+ actual_start_stripe, &stripe_count);
+
+ fm_end_offset = fiemap_calc_fm_end_offset(fiemap, lsm, fm_start, fm_end,
+ &start_stripe);
+
+ if (fiemap->fm_extent_count == 0) {
+ get_num_extents = 1;
+ count_local = 0;
+ }
+
+ /* Check each stripe */
+ for (cur_stripe = start_stripe, i = 0; i < stripe_count;
+ i++, cur_stripe = (cur_stripe + 1) % lsm->lsm_stripe_count) {
+ obd_size req_fm_len; /* Stores length of required mapping */
+ obd_size len_mapped_single_call;
+ obd_off lun_start, lun_end, obd_object_end;
+ unsigned int ext_count;
+
+ cur_stripe_wrap = cur_stripe;
+
+ /* Find out range of mapping on this stripe */
+ if ((lov_stripe_intersects(lsm, cur_stripe, fm_start, fm_end,
+ &lun_start, &obd_object_end)) == 0)
+ continue;
+
+ /* If this is a continuation FIEMAP call and we are on
+ * starting stripe then lun_start needs to be set to
+ * fm_end_offset */
+ if (fm_end_offset != 0 && cur_stripe == start_stripe)
+ lun_start = fm_end_offset;
+
+ if (fm_length != ~0ULL) {
+ /* Handle fm_start + fm_length overflow */
+ if (fm_start + fm_length < fm_start)
+ fm_length = ~0ULL - fm_start;
+ lun_end = lov_size_to_stripe(lsm, fm_start + fm_length,
+ cur_stripe);
+ } else {
+ lun_end = ~0ULL;
+ }
+
+ if (lun_start == lun_end)
+ continue;
+
+ req_fm_len = obd_object_end - lun_start;
+ fm_local->fm_length = 0;
+ len_mapped_single_call = 0;
+
+ /* If the output buffer is very large and the objects have many
+ * extents we may need to loop on a single OST repeatedly */
+ ost_eof = 0;
+ ost_done = 0;
+ do {
+ if (get_num_extents == 0) {
+ /* Don't get too many extents. */
+ if (current_extent + count_local >
+ fiemap->fm_extent_count)
+ count_local = fiemap->fm_extent_count -
+ current_extent;
+ }
+
+ lun_start += len_mapped_single_call;
+ fm_local->fm_length = req_fm_len - len_mapped_single_call;
+ req_fm_len = fm_local->fm_length;
+ fm_local->fm_extent_count = count_local;
+ fm_local->fm_mapped_extents = 0;
+ fm_local->fm_flags = fiemap->fm_flags;
+
+ fm_key->oa.o_id = lsm->lsm_oinfo[cur_stripe]->loi_id;
+ fm_key->oa.o_seq = lsm->lsm_oinfo[cur_stripe]->loi_seq;
+ ost_index = lsm->lsm_oinfo[cur_stripe]->loi_ost_idx;
+
+ if (ost_index < 0 || ost_index >=lov->desc.ld_tgt_count)
+ GOTO(out, rc = -EINVAL);
+
+ /* If OST is inactive, return extent with UNKNOWN flag */
+ if (!lov->lov_tgts[ost_index]->ltd_active) {
+ fm_local->fm_flags |= FIEMAP_EXTENT_LAST;
+ fm_local->fm_mapped_extents = 1;
+
+ lcl_fm_ext[0].fe_logical = lun_start;
+ lcl_fm_ext[0].fe_length = obd_object_end -
+ lun_start;
+ lcl_fm_ext[0].fe_flags |= FIEMAP_EXTENT_UNKNOWN;
+
+ goto inactive_tgt;
+ }
+
+ fm_local->fm_start = lun_start;
+ fm_local->fm_flags &= ~FIEMAP_FLAG_DEVICE_ORDER;
+ memcpy(&fm_key->fiemap, fm_local, sizeof(*fm_local));
+ *vallen=fiemap_count_to_size(fm_local->fm_extent_count);
+ rc = obd_get_info(lov->lov_tgts[ost_index]->ltd_exp,
+ keylen, key, vallen, fm_local, lsm);
+ if (rc != 0)
+ GOTO(out, rc);
+
+inactive_tgt:
+ ext_count = fm_local->fm_mapped_extents;
+ if (ext_count == 0) {
+ ost_done = 1;
+ /* If last stripe has hole at the end,
+ * then we need to return */
+ if (cur_stripe_wrap == last_stripe) {
+ fiemap->fm_mapped_extents = 0;
+ goto finish;
+ }
+ break;
+ }
+
+ /* If we just need num of extents then go to next device */
+ if (get_num_extents) {
+ current_extent += ext_count;
+ break;
+ }
+
+ len_mapped_single_call = lcl_fm_ext[ext_count-1].fe_logical -
+ lun_start + lcl_fm_ext[ext_count - 1].fe_length;
+
+ /* Have we finished mapping on this device? */
+ if (req_fm_len <= len_mapped_single_call)
+ ost_done = 1;
+
+ /* Clear the EXTENT_LAST flag which can be present on
+ * last extent */
+ if (lcl_fm_ext[ext_count-1].fe_flags & FIEMAP_EXTENT_LAST)
+ lcl_fm_ext[ext_count - 1].fe_flags &=
+ ~FIEMAP_EXTENT_LAST;
+
+ curr_loc = lov_stripe_size(lsm,
+ lcl_fm_ext[ext_count - 1].fe_logical+
+ lcl_fm_ext[ext_count - 1].fe_length,
+ cur_stripe);
+ if (curr_loc >= fm_key->oa.o_size)
+ ost_eof = 1;
+
+ fiemap_prepare_and_copy_exts(fiemap, lcl_fm_ext,
+ ost_index, ext_count,
+ current_extent);
+
+ current_extent += ext_count;
+
+ /* Ran out of available extents? */
+ if (current_extent >= fiemap->fm_extent_count)
+ goto finish;
+ } while (ost_done == 0 && ost_eof == 0);
+
+ if (cur_stripe_wrap == last_stripe)
+ goto finish;
+ }
+
+finish:
+ /* Indicate that we are returning device offsets unless file just has
+ * single stripe */
+ if (lsm->lsm_stripe_count > 1)
+ fiemap->fm_flags |= FIEMAP_FLAG_DEVICE_ORDER;
+
+ if (get_num_extents)
+ goto skip_last_device_calc;
+
+ /* Check if we have reached the last stripe and whether mapping for that
+ * stripe is done. */
+ if (cur_stripe_wrap == last_stripe) {
+ if (ost_done || ost_eof)
+ fiemap->fm_extents[current_extent - 1].fe_flags |=
+ FIEMAP_EXTENT_LAST;
+ }
+
+skip_last_device_calc:
+ fiemap->fm_mapped_extents = current_extent;
+
+out:
+ OBD_FREE(fm_local, buffer_size);
+ return rc;
+}
+
static int lov_get_info(struct obd_export *exp, __u32 keylen,
- void *key, __u32 *vallen, void *val)
+ void *key, __u32 *vallen, void *val,
+ struct lov_stripe_md *lsm)
{
struct obd_device *obddev = class_exp2obd(exp);
struct lov_obd *lov = &obddev->u.lov;
if (!vallen || !val)
RETURN(-EFAULT);
- lov_getref(obddev);
+ obd_getref(obddev);
- if (KEY_IS("lock_to_stripe")) {
+ if (KEY_IS(KEY_LOCK_TO_STRIPE)) {
struct {
char name[16];
struct ldlm_lock *lock;
- struct lov_stripe_md *lsm;
} *data = key;
struct ldlm_res_id *res_id = &data->lock->l_resource->lr_name;
struct lov_oinfo *loi;
/* XXX - it's assumed all the locks for deleted OSTs have
* been cancelled. Also, the export for deleted OSTs will
* be NULL and won't match the lock's export. */
- for (i = 0; i < data->lsm->lsm_stripe_count; i++) {
- loi = data->lsm->lsm_oinfo[i];
+ for (i = 0; i < lsm->lsm_stripe_count; i++) {
+ loi = lsm->lsm_oinfo[i];
if (!lov->lov_tgts[loi->loi_ost_idx])
continue;
if (lov->lov_tgts[loi->loi_ost_idx]->ltd_exp ==
data->lock->l_conn_export &&
- loi->loi_id == res_id->name[0] &&
- loi->loi_gr == res_id->name[2]) {
+ osc_res_name_eq(loi->loi_id, loi->loi_seq, res_id)) {
*stripe = i;
GOTO(out, rc = 0);
}
}
LDLM_ERROR(data->lock, "lock on inode without such object");
- dump_lsm(D_ERROR, data->lsm);
+ dump_lsm(D_ERROR, lsm);
GOTO(out, rc = -ENXIO);
- } else if (KEY_IS("last_id")) {
- obd_id *ids = val;
- int size = sizeof(obd_id);
- for (i = 0; i < lov->desc.ld_tgt_count; i++) {
- if (!lov->lov_tgts[i] || !lov->lov_tgts[i]->ltd_active)
- continue;
- rc = obd_get_info(lov->lov_tgts[i]->ltd_exp,
- keylen, key, &size, ids + i);
- if (rc != 0)
- GOTO(out, rc);
- }
+ } else if (KEY_IS(KEY_LAST_ID)) {
+ struct obd_id_info *info = val;
+ __u32 size = sizeof(obd_id);
+ struct lov_tgt_desc *tgt;
+
+ LASSERT(*vallen == sizeof(struct obd_id_info));
+ tgt = lov->lov_tgts[info->idx];
+
+ if (!tgt || !tgt->ltd_active)
+ GOTO(out, rc = -ESRCH);
+
+ rc = obd_get_info(tgt->ltd_exp, keylen, key, &size, info->data, NULL);
GOTO(out, rc = 0);
} else if (KEY_IS(KEY_LOVDESC)) {
struct lov_desc *desc_ret = val;
*desc_ret = lov->desc;
GOTO(out, rc = 0);
+ } else if (KEY_IS(KEY_FIEMAP)) {
+ rc = lov_fiemap(lov, keylen, key, vallen, val, lsm);
+ GOTO(out, rc);
+ } else if (KEY_IS(KEY_CONNECT_FLAG)) {
+ struct lov_tgt_desc *tgt;
+ __u64 ost_idx = *((__u64*)val);
+
+ LASSERT(*vallen == sizeof(__u64));
+ LASSERT(ost_idx < lov->desc.ld_tgt_count);
+ tgt = lov->lov_tgts[ost_idx];
+
+ if (!tgt || !tgt->ltd_exp)
+ GOTO(out, rc = -ESRCH);
+
+ *((__u64*)val) = tgt->ltd_exp->exp_connect_flags;
+ GOTO(out, rc = 0);
}
rc = -EINVAL;
+
out:
- lov_putref(obddev);
+ obd_putref(obddev);
RETURN(rc);
}
{
struct obd_device *obddev = class_exp2obd(exp);
struct lov_obd *lov = &obddev->u.lov;
+ obd_count count;
int i, rc = 0, err;
- int no_set = !set;
- int incr = 0, check_uuid = 0, do_inactive = 0;
+ struct lov_tgt_desc *tgt;
+ unsigned incr, check_uuid,
+ do_inactive, no_set;
+ unsigned next_id = 0, mds_con = 0, capa = 0;
ENTRY;
- if (no_set) {
+ incr = check_uuid = do_inactive = no_set = 0;
+ if (set == NULL) {
+ no_set = 1;
set = ptlrpc_prep_set();
if (!set)
RETURN(-ENOMEM);
}
+ obd_getref(obddev);
+ count = lov->desc.ld_tgt_count;
+
if (KEY_IS(KEY_NEXT_ID)) {
- if (vallen != lov->desc.ld_tgt_count * sizeof(obd_id))
- RETURN(-EINVAL);
+ count = vallen / sizeof(struct obd_id_info);
vallen = sizeof(obd_id);
- incr = sizeof(obd_id);
+ incr = sizeof(struct obd_id_info);
do_inactive = 1;
- } else if (KEY_IS("checksum")) {
+ next_id = 1;
+ } else if (KEY_IS(KEY_CHECKSUM)) {
do_inactive = 1;
- } else if (KEY_IS("unlinked")) {
- check_uuid = val ? 1 : 0;
- } else if (KEY_IS("evict_by_nid")) {
+ } else if (KEY_IS(KEY_EVICT_BY_NID)) {
/* use defaults: do_inactive = incr = 0; */
+ } else if (KEY_IS(KEY_MDS_CONN)) {
+ mds_con = 1;
+ } else if (KEY_IS(KEY_CAPA_KEY)) {
+ capa = 1;
}
- lov_getref(obddev);
-
- for (i = 0; i < lov->desc.ld_tgt_count; i++, val = (char *)val + incr) {
+ for (i = 0; i < count; i++, val = (char *)val + incr) {
+ if (next_id) {
+ tgt = lov->lov_tgts[((struct obd_id_info*)val)->idx];
+ } else {
+ tgt = lov->lov_tgts[i];
+ }
/* OST was disconnected */
- if (!lov->lov_tgts[i] || !lov->lov_tgts[i]->ltd_exp)
+ if (!tgt || !tgt->ltd_exp)
continue;
/* OST is inactive and we don't want inactive OSCs */
- if (!lov->lov_tgts[i]->ltd_active && !do_inactive)
+ if (!tgt->ltd_active && !do_inactive)
continue;
- if (KEY_IS(KEY_MDS_CONN)) {
+ if (mds_con) {
struct mds_group_info *mgi;
LASSERT(vallen == sizeof(*mgi));
mgi = (struct mds_group_info *)val;
-
+
/* Only want a specific OSC */
if (mgi->uuid && !obd_uuid_equals(mgi->uuid,
- &lov->lov_tgts[i]->ltd_uuid))
+ &tgt->ltd_uuid))
continue;
- err = obd_set_info_async(lov->lov_tgts[i]->ltd_exp,
- keylen, key, sizeof(int),
+ err = obd_set_info_async(tgt->ltd_exp,
+ keylen, key, sizeof(int),
&mgi->group, set);
+ } else if (next_id) {
+ err = obd_set_info_async(tgt->ltd_exp,
+ keylen, key, vallen,
+ ((struct obd_id_info*)val)->data, set);
+ } else if (capa) {
+ struct mds_capa_info *info = (struct mds_capa_info*)val;
+
+ LASSERT(vallen == sizeof(*info));
+
+ /* Only want a specific OSC */
+ if (info->uuid &&
+ !obd_uuid_equals(info->uuid, &tgt->ltd_uuid))
+ continue;
+
+ err = obd_set_info_async(tgt->ltd_exp, keylen, key,
+ sizeof(*info->capa),
+ info->capa, set);
+
} else {
/* Only want a specific OSC */
if (check_uuid &&
- !obd_uuid_equals(val, &lov->lov_tgts[i]->ltd_uuid))
+ !obd_uuid_equals(val, &tgt->ltd_uuid))
continue;
-
- err = obd_set_info_async(lov->lov_tgts[i]->ltd_exp,
+
+ err = obd_set_info_async(tgt->ltd_exp,
keylen, key, vallen, val, set);
}
-
+
if (!rc)
rc = err;
}
- lov_putref(obddev);
+ obd_putref(obddev);
if (no_set) {
err = ptlrpc_set_wait(set);
if (!rc)
RETURN(rc);
}
-static int lov_checkmd(struct obd_export *exp, struct obd_export *md_exp,
- struct lov_stripe_md *lsm)
-{
- int rc;
- ENTRY;
-
- if (!lsm)
- RETURN(0);
- LASSERT(md_exp);
- LASSERT(lsm_op_find(lsm->lsm_magic) != NULL);
- rc = lsm_op_find(lsm->lsm_magic)->lsm_revalidate(lsm, md_exp->exp_obd);
-
- RETURN(rc);
-}
-
int lov_test_and_clear_async_rc(struct lov_stripe_md *lsm)
{
int i, rc = 0;
RETURN(0);
}
-
-#if 0
-struct lov_multi_wait {
- struct ldlm_lock *lock;
- wait_queue_t wait;
- int completed;
- int generation;
-};
-
-int lov_complete_many(struct obd_export *exp, struct lov_stripe_md *lsm,
- struct lustre_handle *lockh)
-{
- struct lov_lock_handles *lov_lockh = NULL;
- struct lustre_handle *lov_lockhp;
- struct lov_obd *lov;
- struct lov_oinfo *loi;
- struct lov_multi_wait *queues;
- int rc = 0, i;
- ENTRY;
-
- ASSERT_LSM_MAGIC(lsm);
-
- if (!exp || !exp->exp_obd)
- RETURN(-ENODEV);
-
- LASSERT(lockh != NULL);
- if (lsm->lsm_stripe_count > 1) {
- lov_lockh = lov_handle2llh(lockh);
- if (lov_lockh == NULL) {
- CERROR("LOV: invalid lov lock handle %p\n", lockh);
- RETURN(-EINVAL);
- }
-
- lov_lockhp = lov_lockh->llh_handles;
- } else {
- lov_lockhp = lockh;
- }
-
- OBD_ALLOC(queues, lsm->lsm_stripe_count * sizeof(*queues));
- if (queues == NULL)
- GOTO(out, rc = -ENOMEM);
-
- lov = &exp->exp_obd->u.lov;
- for (i = 0, loi = lsm->lsm_oinfo; i < lsm->lsm_stripe_count;
- i++, loi++, lov_lockhp++) {
- struct ldlm_lock *lock;
- struct obd_device *obd;
-
- lock = ldlm_handle2lock(lov_lockhp);
- if (lock == NULL) {
- CDEBUG(D_HA, "lov idx %d subobj "LPX64" no lock?\n",
- loi->loi_ost_idx, loi->loi_id);
- queues[i].completed = 1;
- continue;
- }
-
- queues[i].lock = lock;
- init_waitqueue_entry(&(queues[i].wait), current);
- add_wait_queue(lock->l_waitq, &(queues[i].wait));
-
- obd = class_exp2obd(lock->l_conn_export);
- if (obd != NULL)
- imp = obd->u.cli.cl_import;
- if (imp != NULL) {
- spin_lock(&imp->imp_lock);
- queues[i].generation = imp->imp_generation;
- spin_unlock(&imp->imp_lock);
- }
- }
-
- lwi = LWI_TIMEOUT_INTR(obd_timeout * HZ, ldlm_expired_completion_wait,
- interrupted_completion_wait, &lwd);
- rc = l_wait_event_added(check_multi_complete(queues, lsm), &lwi);
-
- for (i = 0; i < lsm->lsm_stripe_count; i++)
- remove_wait_queue(lock->l_waitq, &(queues[i].wait));
-
- if (rc == -EINTR || rc == -ETIMEDOUT) {
-
-
- }
-
- out:
- if (lov_lockh != NULL)
- lov_llh_put(lov_lockh);
- RETURN(rc);
-}
-#endif
-
void lov_stripe_lock(struct lov_stripe_md *md)
{
- LASSERT(md->lsm_lock_owner != cfs_current());
- spin_lock(&md->lsm_lock);
- LASSERT(md->lsm_lock_owner == NULL);
- md->lsm_lock_owner = cfs_current();
+ LASSERT(md->lsm_lock_owner != cfs_curproc_pid());
+ cfs_spin_lock(&md->lsm_lock);
+ LASSERT(md->lsm_lock_owner == 0);
+ md->lsm_lock_owner = cfs_curproc_pid();
}
EXPORT_SYMBOL(lov_stripe_lock);
void lov_stripe_unlock(struct lov_stripe_md *md)
{
- LASSERT(md->lsm_lock_owner == cfs_current());
- md->lsm_lock_owner = NULL;
- spin_unlock(&md->lsm_lock);
+ LASSERT(md->lsm_lock_owner == cfs_curproc_pid());
+ md->lsm_lock_owner = 0;
+ cfs_spin_unlock(&md->lsm_lock);
}
EXPORT_SYMBOL(lov_stripe_unlock);
+
struct obd_ops lov_obd_ops = {
.o_owner = THIS_MODULE,
.o_setup = lov_setup,
.o_precleanup = lov_precleanup,
.o_cleanup = lov_cleanup,
- .o_process_config = lov_process_config,
+ //.o_process_config = lov_process_config,
.o_connect = lov_connect,
.o_disconnect = lov_disconnect,
.o_statfs = lov_statfs,
.o_statfs_async = lov_statfs_async,
.o_packmd = lov_packmd,
.o_unpackmd = lov_unpackmd,
- .o_checkmd = lov_checkmd,
.o_create = lov_create,
.o_destroy = lov_destroy,
.o_getattr = lov_getattr,
.o_setattr = lov_setattr,
.o_setattr_async = lov_setattr_async,
.o_brw = lov_brw,
- .o_brw_async = lov_brw_async,
- .o_prep_async_page = lov_prep_async_page,
- .o_queue_async_io = lov_queue_async_io,
- .o_set_async_flags = lov_set_async_flags,
- .o_queue_group_io = lov_queue_group_io,
- .o_trigger_group_io = lov_trigger_group_io,
- .o_teardown_async_page = lov_teardown_async_page,
.o_merge_lvb = lov_merge_lvb,
.o_adjust_kms = lov_adjust_kms,
.o_punch = lov_punch,
.o_sync = lov_sync,
.o_enqueue = lov_enqueue,
- .o_match = lov_match,
.o_change_cbdata = lov_change_cbdata,
+ .o_find_cbdata = lov_find_cbdata,
.o_cancel = lov_cancel,
.o_cancel_unused = lov_cancel_unused,
- .o_join_lru = lov_join_lru,
.o_iocontrol = lov_iocontrol,
.o_get_info = lov_get_info,
.o_set_info_async = lov_set_info_async,
.o_llog_init = lov_llog_init,
.o_llog_finish = lov_llog_finish,
.o_notify = lov_notify,
+ .o_pool_new = lov_pool_new,
+ .o_pool_rem = lov_pool_remove,
+ .o_pool_add = lov_pool_add,
+ .o_pool_del = lov_pool_del,
+ .o_getref = lov_getref,
+ .o_putref = lov_putref,
};
static quota_interface_t *quota_interface;
cfs_mem_cache_t *lov_oinfo_slab;
+extern struct lu_kmem_descr lov_caches[];
+
int __init lov_init(void)
{
- struct lprocfs_static_vars lvars;
+ struct lprocfs_static_vars lvars = { 0 };
int rc, rc2;
ENTRY;
+ /* print an address of _any_ initialized kernel symbol from this
+ * module, to allow debugging with gdb that doesn't support data
+ * symbols from modules.*/
+ CDEBUG(D_CONSOLE, "Lustre LOV module (%p).\n", &lov_caches);
+
+ rc = lu_kmem_init(lov_caches);
+ if (rc)
+ return rc;
+
lov_oinfo_slab = cfs_mem_cache_create("lov_oinfo",
- sizeof(struct lov_oinfo),
- 0, SLAB_HWCACHE_ALIGN);
- if (lov_oinfo_slab == NULL)
+ sizeof(struct lov_oinfo),
+ 0, CFS_SLAB_HWCACHE_ALIGN);
+ if (lov_oinfo_slab == NULL) {
+ lu_kmem_fini(lov_caches);
return -ENOMEM;
- lprocfs_init_vars(lov, &lvars);
+ }
+ lprocfs_lov_init_vars(&lvars);
- request_module("lquota");
+ cfs_request_module("lquota");
quota_interface = PORTAL_SYMBOL_GET(lov_quota_interface);
init_obd_quota_ops(quota_interface, &lov_obd_ops);
rc = class_register_type(&lov_obd_ops, NULL, lvars.module_vars,
- LUSTRE_LOV_NAME, NULL);
+ LUSTRE_LOV_NAME, &lov_device_type);
+
if (rc) {
if (quota_interface)
PORTAL_SYMBOL_PUT(lov_quota_interface);
rc2 = cfs_mem_cache_destroy(lov_oinfo_slab);
LASSERT(rc2 == 0);
+ lu_kmem_fini(lov_caches);
}
RETURN(rc);
static void /*__exit*/ lov_exit(void)
{
int rc;
-
+
+ lu_device_type_fini(&lov_device_type);
+ lu_kmem_fini(lov_caches);
+
if (quota_interface)
PORTAL_SYMBOL_PUT(lov_quota_interface);
LASSERT(rc == 0);
}
-MODULE_AUTHOR("Cluster File Systems, Inc. <info@clusterfs.com>");
+MODULE_AUTHOR("Sun Microsystems, Inc. <http://www.lustre.org/>");
MODULE_DESCRIPTION("Lustre Logical Object Volume OBD driver");
MODULE_LICENSE("GPL");
git://git.whamcloud.com / fs / lustre-release.git / blobdiff