-/* -*- 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.
/*
* Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2011, 2013, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
* Author: Nathan Rutman <nathan@clusterfs.com>
*/
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
#define DEBUG_SUBSYSTEM S_LOV
#ifdef __KERNEL__
#include <libcfs/libcfs.h>
#endif
#include <obd_support.h>
+#include <lustre_ioctl.h>
#include <lustre_lib.h>
#include <lustre_net.h>
#include <lustre/lustre_idl.h>
#include <lustre_dlm.h>
#include <lustre_mds.h>
-#include <lustre_debug.h>
#include <obd_class.h>
-#include <obd_lov.h>
-#include <obd_ost.h>
#include <lprocfs_status.h>
#include <lustre_param.h>
#include <cl_object.h>
+#include <lclient.h>
#include <lustre/ll_fiemap.h>
+#include <lustre_fid.h>
#include "lov_internal.h"
Any function that expects lov_tgts to remain stationary must take a ref. */
static void lov_getref(struct obd_device *obd)
{
- struct lov_obd *lov = &obd->u.lov;
+ struct lov_obd *lov = &obd->u.lov;
- /* nobody gets through here until lov_putref is done */
- cfs_mutex_down(&lov->lov_lock);
- cfs_atomic_inc(&lov->lov_refcount);
- cfs_mutex_up(&lov->lov_lock);
- return;
+ /* nobody gets through here until lov_putref is done */
+ mutex_lock(&lov->lov_lock);
+ atomic_inc(&lov->lov_refcount);
+ mutex_unlock(&lov->lov_lock);
+ return;
}
static void __lov_del_obd(struct obd_device *obd, struct lov_tgt_desc *tgt);
static void lov_putref(struct obd_device *obd)
{
- struct lov_obd *lov = &obd->u.lov;
-
- cfs_mutex_down(&lov->lov_lock);
- /* ok to dec to 0 more than once -- ltd_exp's will be null */
- 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++) {
+ struct lov_obd *lov = &obd->u.lov;
+
+ mutex_lock(&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) {
+ struct list_head kill = LIST_HEAD_INIT(kill);
+ struct lov_tgt_desc *tgt, *n;
+ int i;
+
+ CDEBUG(D_CONFIG, "destroying %d lov targets\n",
+ lov->lov_death_row);
+ for (i = 0; i < lov->desc.ld_tgt_count; i++) {
tgt = lov->lov_tgts[i];
if (!tgt || !tgt->ltd_reap)
lov->lov_tgts[i] = NULL;
lov->lov_death_row--;
}
- cfs_mutex_up(&lov->lov_lock);
+ mutex_unlock(&lov->lov_lock);
cfs_list_for_each_entry_safe(tgt, n, &kill, ltd_kill) {
cfs_list_del(&tgt->ltd_kill);
__lov_del_obd(obd, tgt);
}
} else {
- cfs_mutex_up(&lov->lov_lock);
+ mutex_unlock(&lov->lov_lock);
}
}
static int lov_set_osc_active(struct obd_device *obd, struct obd_uuid *uuid,
- int activate);
+ enum obd_notify_event ev);
static int lov_notify(struct obd_device *obd, struct obd_device *watched,
enum obd_notify_event ev, void *data);
-
-#define MAX_STRING_SIZE 128
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;
- struct obd_device *tgt_obd;
- static struct obd_uuid lov_osc_uuid = { "LOV_OSC_UUID" };
- struct obd_import *imp;
-#ifdef __KERNEL__
- cfs_proc_dir_entry_t *lov_proc_dir;
-#endif
- int rc;
- ENTRY;
+ struct lov_obd *lov = &obd->u.lov;
+ struct obd_uuid *tgt_uuid;
+ struct obd_device *tgt_obd;
+ static struct obd_uuid lov_osc_uuid = { "LOV_OSC_UUID" };
+ struct obd_import *imp;
+ int rc;
+ ENTRY;
- if (!lov->lov_tgts[index])
- RETURN(-EINVAL);
+ if (lov->lov_tgts[index] == NULL)
+ RETURN(-EINVAL);
tgt_uuid = &lov->lov_tgts[index]->ltd_uuid;
tgt_obd = lov->lov_tgts[index]->ltd_obd;
if (imp->imp_invalid) {
- CERROR("not connecting OSC %s; administratively "
+ CDEBUG(D_CONFIG, "not connecting OSC %s; administratively "
"disabled\n", obd_uuid2str(tgt_uuid));
RETURN(0);
}
CDEBUG(D_CONFIG, "Connected tgt idx %d %s (%s) %sactive\n", index,
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 = lov->lov_tgts[index]->ltd_exp->exp_obd;
- cfs_proc_dir_entry_t *osc_symlink;
-
- LASSERT(osc_obd != NULL);
- LASSERT(osc_obd->obd_magic == OBD_DEVICE_MAGIC);
- LASSERT(osc_obd->obd_type->typ_name != NULL);
-
- 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);
- lprocfs_remove(&lov_proc_dir);
+ if (obd->obd_type->typ_procsym != NULL) {
+ struct proc_dir_entry *osc_symlink;
+ struct obd_device *osc_obd;
+
+ osc_obd = lov->lov_tgts[index]->ltd_exp->exp_obd;
+
+ LASSERT(osc_obd != NULL);
+ LASSERT(osc_obd->obd_magic == OBD_DEVICE_MAGIC);
+ LASSERT(osc_obd->obd_type->typ_name != NULL);
+
+ osc_symlink = lprocfs_add_symlink(osc_obd->obd_name,
+ obd->obd_type->typ_procsym,
+ "../../../%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);
+ lprocfs_remove(&obd->obd_type->typ_procsym);
}
}
-#endif
-
- rc = qos_add_tgt(obd, index);
- if (rc)
- CERROR("qos_add_tgt failed %d\n", rc);
-
RETURN(0);
}
if (data)
lov->lov_ocd = *data;
+ obd->obd_type->typ_procsym = lprocfs_seq_register("target_obds",
+ obd->obd_proc_entry,
+ NULL, NULL);
+ if (IS_ERR(obd->obd_type->typ_procsym)) {
+ CERROR("%s: could not register /proc/fs/lustre/%s/%s/target_obds.",
+ obd->obd_name, obd->obd_type->typ_name, obd->obd_name);
+ obd->obd_type->typ_procsym = NULL;
+ }
+
obd_getref(obd);
for (i = 0; i < lov->desc.ld_tgt_count; i++) {
tgt = lov->lov_tgts[i];
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;
int rc;
tgt->ltd_exp->exp_obd->obd_inactive = 1;
}
- lov_proc_dir = lprocfs_srch(obd->obd_proc_entry, "target_obds");
- if (lov_proc_dir) {
- cfs_proc_dir_entry_t *osc_symlink;
-
- osc_symlink = lprocfs_srch(lov_proc_dir, osc_obd->obd_name);
- if (osc_symlink) {
- lprocfs_remove(&osc_symlink);
- } else {
- CERROR("/proc/fs/lustre/%s/%s/target_obds/%s missing.",
- obd->obd_type->typ_name, obd->obd_name,
- osc_obd->obd_name);
- }
- }
+ if (osc_obd) {
+ /* Pass it on to our clients.
+ * XXX This should be an argument to disconnect,
+ * XXX not a back-door flag on the OBD. Ah well.
+ */
+ osc_obd->obd_force = obd->obd_force;
+ osc_obd->obd_fail = obd->obd_fail;
+ osc_obd->obd_no_recov = obd->obd_no_recov;
- if (osc_obd) {
- /* Pass it on to our clients.
- * XXX This should be an argument to disconnect,
- * XXX not a back-door flag on the OBD. Ah well.
- */
- osc_obd->obd_force = obd->obd_force;
- osc_obd->obd_fail = obd->obd_fail;
- osc_obd->obd_no_recov = obd->obd_no_recov;
- }
+ if (obd->obd_type->typ_procsym)
+ lprocfs_remove_proc_entry(osc_obd->obd_name,
+ obd->obd_type->typ_procsym);
+ }
obd_register_observer(osc_obd, NULL);
rc = 0;
}
- qos_del_tgt(obd, tgt);
-
tgt->ltd_exp = NULL;
RETURN(0);
}
}
obd_putref(obd);
+ if (obd->obd_type->typ_procsym)
+ lprocfs_remove(&obd->obd_type->typ_procsym);
+
out:
rc = class_disconnect(exp); /* bz 9811 */
RETURN(rc);
* any >= 0 : is log target index
*/
static int lov_set_osc_active(struct obd_device *obd, struct obd_uuid *uuid,
- int activate)
+ enum obd_notify_event ev)
{
struct lov_obd *lov = &obd->u.lov;
struct lov_tgt_desc *tgt;
- int index;
+ int index, activate, active;
ENTRY;
- CDEBUG(D_INFO, "Searching in lov %p for uuid %s (activate=%d)\n",
- lov, uuid->uuid, activate);
-
- 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, "Searching in lov %p for uuid %s event(%d)\n",
+ lov, uuid->uuid, ev);
+
+ obd_getref(obd);
+ for (index = 0; index < lov->desc.ld_tgt_count; index++) {
+ tgt = lov->lov_tgts[index];
+ if (!tgt)
+ continue;
+ /*
+ * LU-642, initially inactive OSC could miss the obd_connect,
+ * we make up for it here.
+ */
+ if (ev == OBD_NOTIFY_ACTIVATE && tgt->ltd_exp == NULL &&
+ obd_uuid_equals(uuid, &tgt->ltd_uuid)) {
+ struct obd_uuid lov_osc_uuid = {"LOV_OSC_UUID"};
+
+ obd_connect(NULL, &tgt->ltd_exp, tgt->ltd_obd,
+ &lov_osc_uuid, &lov->lov_ocd, NULL);
+ }
+ if (!tgt->ltd_exp)
+ continue;
CDEBUG(D_INFO, "lov idx %d is %s conn "LPX64"\n",
index, obd_uuid2str(&tgt->ltd_uuid),
if (index == lov->desc.ld_tgt_count)
GOTO(out, index = -EINVAL);
- if (lov->lov_tgts[index]->ltd_active == activate) {
- CDEBUG(D_INFO, "OSC %s already %sactive!\n", uuid->uuid,
- activate ? "" : "in");
- GOTO(out, index);
- }
+ if (ev == OBD_NOTIFY_DEACTIVATE || ev == OBD_NOTIFY_ACTIVATE) {
+ activate = (ev == OBD_NOTIFY_ACTIVATE) ? 1 : 0;
- CDEBUG(D_CONFIG, "Marking OSC %s %sactive\n", obd_uuid2str(uuid),
- activate ? "" : "in");
+ if (lov->lov_tgts[index]->ltd_activate == activate) {
+ CDEBUG(D_INFO, "OSC %s already %sactivate!\n",
+ uuid->uuid, activate ? "" : "de");
+ } else {
+ lov->lov_tgts[index]->ltd_activate = activate;
+ CDEBUG(D_CONFIG, "%sactivate OSC %s\n",
+ activate ? "" : "de", obd_uuid2str(uuid));
+ }
- lov->lov_tgts[index]->ltd_active = activate;
+ } else if (ev == OBD_NOTIFY_INACTIVE || ev == OBD_NOTIFY_ACTIVE) {
+ active = (ev == OBD_NOTIFY_ACTIVE) ? 1 : 0;
- if (activate) {
- lov->desc.ld_active_tgt_count++;
- lov->lov_tgts[index]->ltd_exp->exp_obd->obd_inactive = 0;
+ if (lov->lov_tgts[index]->ltd_active == active) {
+ CDEBUG(D_INFO, "OSC %s already %sactive!\n",
+ uuid->uuid, active ? "" : "in");
+ GOTO(out, index);
+ } else {
+ CDEBUG(D_CONFIG, "Marking OSC %s %sactive\n",
+ obd_uuid2str(uuid), active ? "" : "in");
+ }
+
+ lov->lov_tgts[index]->ltd_active = active;
+ if (active) {
+ lov->desc.ld_active_tgt_count++;
+ 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;
+ }
} else {
- lov->desc.ld_active_tgt_count--;
- lov->lov_tgts[index]->ltd_exp->exp_obd->obd_inactive = 1;
+ CERROR("Unknown event(%d) for uuid %s", ev, uuid->uuid);
}
- /* remove any old qos penalty */
- lov->lov_tgts[index]->ltd_qos.ltq_penalty = 0;
out:
obd_putref(obd);
enum obd_notify_event ev, void *data)
{
int rc = 0;
+ struct lov_obd *lov = &obd->u.lov;
ENTRY;
- if (ev == OBD_NOTIFY_ACTIVE || ev == OBD_NOTIFY_INACTIVE) {
+ down_read(&lov->lov_notify_lock);
+ if (!lov->lov_connects) {
+ up_read(&lov->lov_notify_lock);
+ RETURN(rc);
+ }
+
+ if (ev == OBD_NOTIFY_ACTIVE || ev == OBD_NOTIFY_INACTIVE ||
+ ev == OBD_NOTIFY_ACTIVATE || ev == OBD_NOTIFY_DEACTIVATE) {
struct obd_uuid *uuid;
LASSERT(watched);
if (strcmp(watched->obd_type->typ_name, LUSTRE_OSC_NAME)) {
+ up_read(&lov->lov_notify_lock);
CERROR("unexpected notification of %s %s!\n",
watched->obd_type->typ_name,
watched->obd_name);
/* Set OSC as active before notifying the observer, so the
* observer can use the OSC normally.
*/
- rc = lov_set_osc_active(obd, uuid, ev == OBD_NOTIFY_ACTIVE);
+ rc = lov_set_osc_active(obd, uuid, ev);
if (rc < 0) {
- CERROR("%sactivation of %s failed: %d\n",
- (ev == OBD_NOTIFY_ACTIVE) ? "" : "de",
+ up_read(&lov->lov_notify_lock);
+ CERROR("event(%d) of %s failed: %d\n", ev,
obd_uuid2str(uuid), rc);
RETURN(rc);
}
/* 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;
+ 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;
+
/* don't send sync event if target not
* connected/activated */
- if (!lov->lov_tgts[i] ||
- !lov->lov_tgts[i]->ltd_active)
- continue;
-
- if ((ev == OBD_NOTIFY_SYNC) ||
- (ev == OBD_NOTIFY_SYNC_NONBLOCK))
- data = &i;
-
- tgt_obd = class_exp2obd(lov->lov_tgts[i]->ltd_exp);
+ if (is_sync && !lov->lov_tgts[i]->ltd_active)
+ continue;
- rc = obd_notify_observer(obd, tgt_obd, ev, data);
+ 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);
}
}
obd_putref(obd);
}
+ up_read(&lov->lov_notify_lock);
RETURN(rc);
}
-int lov_add_target(struct obd_device *obd, struct obd_uuid *uuidp,
- __u32 index, int gen, int active)
+static int lov_add_target(struct obd_device *obd, struct obd_uuid *uuidp,
+ __u32 index, int gen, int active)
{
struct lov_obd *lov = &obd->u.lov;
struct lov_tgt_desc *tgt;
if (tgt_obd == NULL)
RETURN(-EINVAL);
- cfs_mutex_down(&lov->lov_lock);
+ mutex_lock(&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);
- cfs_mutex_up(&lov->lov_lock);
+ mutex_unlock(&lov->lov_lock);
RETURN(-EEXIST);
}
newsize = newsize << 1;
OBD_ALLOC(newtgts, sizeof(*newtgts) * newsize);
if (newtgts == NULL) {
- cfs_mutex_up(&lov->lov_lock);
+ mutex_unlock(&lov->lov_lock);
RETURN(-ENOMEM);
}
oldsize = lov->lov_tgt_size;
}
- lov->lov_tgts = newtgts;
- lov->lov_tgt_size = newsize;
-#ifdef __KERNEL__
- smp_rmb();
-#endif
- if (old)
- OBD_FREE(old, sizeof(*old) * oldsize);
+ lov->lov_tgts = newtgts;
+ lov->lov_tgt_size = newsize;
+ smp_rmb();
+ if (old)
+ OBD_FREE(old, sizeof(*old) * oldsize);
CDEBUG(D_CONFIG, "tgts: %p size: %d\n",
lov->lov_tgts, lov->lov_tgt_size);
OBD_ALLOC_PTR(tgt);
if (!tgt) {
- cfs_mutex_up(&lov->lov_lock);
+ mutex_unlock(&lov->lov_lock);
RETURN(-ENOMEM);
}
rc = lov_ost_pool_add(&lov->lov_packed, index, lov->lov_tgt_size);
if (rc) {
- cfs_mutex_up(&lov->lov_lock);
+ mutex_unlock(&lov->lov_lock);
OBD_FREE_PTR(tgt);
RETURN(rc);
}
- memset(tgt, 0, sizeof(*tgt));
tgt->ltd_uuid = *uuidp;
tgt->ltd_obd = tgt_obd;
/* XXX - add a sanity check on the generation number. */
if (index >= lov->desc.ld_tgt_count)
lov->desc.ld_tgt_count = index + 1;
- cfs_mutex_up(&lov->lov_lock);
+ mutex_unlock(&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,
if (!tgt->ltd_exp)
GOTO(out, rc = 0);
+ if (lov->lov_cache != NULL) {
+ rc = obd_set_info_async(NULL, tgt->ltd_exp,
+ sizeof(KEY_CACHE_SET), KEY_CACHE_SET,
+ sizeof(struct cl_client_cache), lov->lov_cache,
+ NULL);
+ if (rc < 0)
+ GOTO(out, rc);
+ }
+
rc = lov_notify(obd, tgt->ltd_exp->exp_obd,
active ? OBD_NOTIFY_CONNECT : OBD_NOTIFY_INACTIVE,
(void *)&index);
RETURN(-EINVAL);
}
+ /* to make sure there's no ongoing lov_notify() now */
+ down_write(&lov->lov_notify_lock);
obd_getref(obd);
if (!lov->lov_tgts[index]) {
/* we really delete it from obd_putref */
out:
obd_putref(obd);
+ up_write(&lov->lov_notify_lock);
RETURN(rc);
}
void lov_fix_desc_stripe_size(__u64 *val)
{
- if (*val < PTLRPC_MAX_BRW_SIZE) {
- LCONSOLE_WARN("Increasing default stripe size to min %u\n",
- PTLRPC_MAX_BRW_SIZE);
- *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",
- *val, LOV_MIN_STRIPE_SIZE);
- }
+ if (*val < LOV_MIN_STRIPE_SIZE) {
+ if (*val != 0)
+ LCONSOLE_INFO("Increasing default stripe size to "
+ "minimum %u\n",
+ LOV_DESC_STRIPE_SIZE_DEFAULT);
+ *val = LOV_DESC_STRIPE_SIZE_DEFAULT;
+ } 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",
+ *val, LOV_MIN_STRIPE_SIZE);
+ }
}
void lov_fix_desc_stripe_count(__u32 *val)
void lov_fix_desc_qos_maxage(__u32 *val)
{
- /* fix qos_maxage */
- if (*val == 0)
- *val = QOS_DEFAULT_MAXAGE;
+ if (*val == 0)
+ *val = LOV_DESC_QOS_MAXAGE_DEFAULT;
}
void lov_fix_desc(struct lov_desc *desc)
int lov_setup(struct obd_device *obd, struct lustre_cfg *lcfg)
{
- struct lprocfs_static_vars lvars = { 0 };
- struct lov_desc *desc;
- struct lov_obd *lov = &obd->u.lov;
- int rc;
- ENTRY;
+ struct lov_desc *desc;
+ struct lov_obd *lov = &obd->u.lov;
+#ifdef LPROCFS
+ struct obd_type *type;
+#endif
+ int rc;
+ ENTRY;
if (LUSTRE_CFG_BUFLEN(lcfg, 1) < 1) {
CERROR("LOV setup requires a descriptor\n");
lov_fix_desc(desc);
- desc->ld_active_tgt_count = 0;
- lov->desc = *desc;
- lov->lov_tgt_size = 0;
-
- 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_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);
+ desc->ld_active_tgt_count = 0;
+ lov->desc = *desc;
+ lov->lov_tgt_size = 0;
+
+ mutex_init(&lov->lov_lock);
+ atomic_set(&lov->lov_refcount, 0);
+ lov->lov_sp_me = LUSTRE_SP_CLI;
+
+ init_rwsem(&lov->lov_notify_lock);
lov->lov_pools_hash_body = cfs_hash_create("POOLS", HASH_POOLS_CUR_BITS,
HASH_POOLS_MAX_BITS,
- &pool_hash_operations, CFS_HASH_REHASH);
+ 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)
- RETURN(rc);
- rc = lov_ost_pool_init(&lov->lov_qos.lq_rr.lqr_pool, 0);
- if (rc) {
- lov_ost_pool_free(&lov->lov_packed);
- RETURN(rc);
- }
+ GOTO(out, rc);
- lprocfs_lov_init_vars(&lvars);
- lprocfs_obd_setup(obd, lvars.obd_vars);
#ifdef LPROCFS
- {
- int rc;
-
- 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");
- }
+ obd->obd_vars = lprocfs_lov_obd_vars;
+ /* If this is true then both client (lov) and server
+ * (lod) are on the same node. The lod layer if loaded
+ * first will register the lov proc directory. In that
+ * case obd->obd_type->typ_procroot will be not set.
+ * Instead we use type->typ_procsym as the parent. */
+ type = class_search_type(LUSTRE_LOD_NAME);
+ if (type != NULL && type->typ_procsym != NULL) {
+ obd->obd_proc_entry = lprocfs_seq_register(obd->obd_name,
+ type->typ_procsym,
+ obd->obd_vars, obd);
+ if (IS_ERR(obd->obd_proc_entry)) {
+ rc = PTR_ERR(obd->obd_proc_entry);
+ CERROR("error %d setting up lprocfs for %s\n", rc,
+ obd->obd_name);
+ obd->obd_proc_entry = NULL;
+ }
+ } else {
+ rc = lprocfs_seq_obd_setup(obd);
+ }
+
+ if (rc == 0) {
+ 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");
+
+ lov->lov_pool_proc_entry = lprocfs_seq_register("pools",
+ obd->obd_proc_entry,
+ NULL, NULL);
+ if (IS_ERR(lov->lov_pool_proc_entry)) {
+ rc = PTR_ERR(lov->lov_pool_proc_entry);
+ CERROR("error %d setting up lprocfs for pools\n", rc);
+ lov->lov_pool_proc_entry = NULL;
+ }
+ }
#endif
- lov->lov_pool_proc_entry = lprocfs_register("pools",
- obd->obd_proc_entry,
- NULL, NULL);
+ RETURN(0);
- RETURN(0);
+out:
+ return rc;
}
static int lov_precleanup(struct obd_device *obd, enum obd_cleanup_stage stage)
OBD_CLEANUP_EARLY);
}
break;
- }
- case OBD_CLEANUP_EXPORTS:
- rc = obd_llog_finish(obd, 0);
- if (rc != 0)
- CERROR("failed to cleanup llogging subsystems\n");
- break;
- }
- RETURN(rc);
+ }
+ default:
+ 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;
+ ENTRY;
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);
+ /* In the function below, .hs_keycmp resolves to
+ * pool_hashkey_keycmp() */
+ /* coverity[overrun-buffer-val] */
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])
- 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);
- }
+ if (!lov->lov_tgts[i])
+ continue;
+
+ /* 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("%s: lov tgt %d not cleaned! "
+ "deathrow=%d, lovrc=%d\n",
+ obd->obd_name, i, lov->lov_death_row,
+ 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;
}
-
- /* 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);
}
obd_str2uuid(&obd_uuid, lustre_cfg_buf(lcfg, 1));
- if (sscanf(lustre_cfg_buf(lcfg, 2), "%d", indexp) != 1)
+ if (sscanf(lustre_cfg_buf(lcfg, 2), "%u", indexp) != 1)
GOTO(out, rc = -EINVAL);
if (sscanf(lustre_cfg_buf(lcfg, 3), "%d", genp) != 1)
GOTO(out, rc = -EINVAL);
GOTO(out, rc);
}
case LCFG_PARAM: {
- struct lprocfs_static_vars lvars = { 0 };
- struct lov_desc *desc = &(obd->u.lov.desc);
+ struct lov_desc *desc = &(obd->u.lov.desc);
- if (!desc)
- GOTO(out, rc = -EINVAL);
-
- lprocfs_lov_init_vars(&lvars);
+ if (!desc)
+ GOTO(out, rc = -EINVAL);
- rc = class_process_proc_param(PARAM_LOV, lvars.obd_vars,
- lcfg, obd);
- if (rc > 0)
- rc = 0;
+ rc = class_process_proc_seq_param(PARAM_LOV, obd->obd_vars,
+ lcfg, obd);
+ if (rc > 0)
+ rc = 0;
GOTO(out, rc);
}
case LCFG_POOL_NEW:
RETURN(rc);
}
-#ifndef log2
-#define log2(n) cfs_ffz(~(n))
-#endif
-
-static int lov_clear_orphans(struct obd_export *export, struct obdo *src_oa,
- struct lov_stripe_md **ea,
- struct obd_trans_info *oti)
-{
- struct lov_obd *lov;
- struct obdo *tmp_oa;
- struct obd_uuid *ost_uuid = NULL;
- int rc = 0, i;
- ENTRY;
-
- LASSERT(src_oa->o_valid & OBD_MD_FLFLAGS &&
- src_oa->o_flags == OBD_FL_DELORPHAN);
-
- lov = &export->exp_obd->u.lov;
-
- OBDO_ALLOC(tmp_oa);
- if (tmp_oa == NULL)
- RETURN(-ENOMEM);
-
- if (oti->oti_ost_uuid) {
- ost_uuid = oti->oti_ost_uuid;
- CDEBUG(D_HA, "clearing orphans only for %s\n",
- ost_uuid->uuid);
- }
-
- 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;
- struct lov_tgt_desc *tgt;
- int err;
-
- tgt = lov->lov_tgts[i];
- if (!tgt)
- continue;
-
- /* if called for a specific target, we don't
- care if it is not active. */
- if (!lov->lov_tgts[i]->ltd_active && ost_uuid == NULL) {
- CDEBUG(D_HA, "lov idx %d inactive\n", i);
- continue;
- }
-
- if (ost_uuid && !obd_uuid_equals(ost_uuid, &tgt->ltd_uuid))
- continue;
-
- CDEBUG(D_CONFIG,"Clear orphans for %d:%s\n", i,
- obd_uuid2str(ost_uuid));
-
- memcpy(tmp_oa, src_oa, sizeof(*tmp_oa));
-
- LASSERT(lov->lov_tgts[i]->ltd_exp);
- /* 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) {
- /* 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;
- }
- obd_putref(export->exp_obd);
-
- OBDO_FREE(tmp_oa);
- RETURN(rc);
-}
-
static int lov_recreate(struct obd_export *exp, struct obdo *src_oa,
struct lov_stripe_md **ea, struct obd_trans_info *oti)
{
!lov->lov_tgts[ost_idx])
GOTO(out, rc = -EINVAL);
- for (i = 0; i < lsm->lsm_stripe_count; i++) {
- if (lsm->lsm_oinfo[i]->loi_ost_idx == ost_idx) {
- if (lsm->lsm_oinfo[i]->loi_id != src_oa->o_id)
- GOTO(out, rc = -EINVAL);
- break;
- }
- }
+ for (i = 0; i < lsm->lsm_stripe_count; i++) {
+ if (lsm->lsm_oinfo[i]->loi_ost_idx == ost_idx) {
+ if (ostid_id(&lsm->lsm_oinfo[i]->loi_oi) !=
+ ostid_id(&src_oa->o_oi))
+ GOTO(out, rc = -EINVAL);
+ break;
+ }
+ }
if (i == lsm->lsm_stripe_count)
GOTO(out, rc = -EINVAL);
- rc = obd_create(lov->lov_tgts[ost_idx]->ltd_exp, src_oa, &obj_mdp, oti);
+ rc = obd_create(NULL, lov->lov_tgts[ost_idx]->ltd_exp,
+ src_oa, &obj_mdp, oti);
out:
OBD_FREE(obj_mdp, sizeof(*obj_mdp));
RETURN(rc);
}
/* the LOV expects oa->o_id to be set to the LOV object id */
-static int lov_create(struct obd_export *exp, struct obdo *src_oa,
- struct lov_stripe_md **ea, struct obd_trans_info *oti)
+static int lov_create(const struct lu_env *env, struct obd_export *exp,
+ struct obdo *src_oa, struct lov_stripe_md **ea,
+ struct obd_trans_info *oti)
{
struct lov_obd *lov;
- struct obd_info oinfo;
- struct lov_request_set *set = NULL;
- struct lov_request *req;
- struct l_wait_info lwi = { 0 };
int rc = 0;
ENTRY;
if ((src_oa->o_valid & OBD_MD_FLFLAGS) &&
src_oa->o_flags == OBD_FL_DELORPHAN) {
- rc = lov_clear_orphans(exp, src_oa, ea, oti);
- RETURN(rc);
+ /* should be used with LOV anymore */
+ LBUG();
}
lov = &exp->exp_obd->u.lov;
if ((src_oa->o_valid & OBD_MD_FLFLAGS) &&
(src_oa->o_flags & OBD_FL_RECREATE_OBJS)) {
rc = lov_recreate(exp, src_oa, ea, oti);
- GOTO(out, rc);
- }
-
- /* 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) + CFS_HZ,
- 0);
-
- rc = lov_prep_create_set(exp, &oinfo, ea, src_oa, oti, &set);
- if (rc)
- GOTO(out, rc);
-
- cfs_list_for_each_entry(req, &set->set_list, rq_link) {
- /* XXX: LOV STACKING: use real "obj_mdp" sub-data */
- 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);
}
"%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, void *capa)
+static int lov_destroy(const struct lu_env *env, struct obd_export *exp,
+ struct obdo *oa, struct lov_stripe_md *lsm,
+ struct obd_trans_info *oti, struct obd_export *md_exp,
+ void *capa)
{
struct lov_request_set *set;
struct obd_info oinfo;
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, capa);
- err = lov_update_common_set(set, req, err);
- if (err) {
- CERROR("error: destroying objid "LPX64" subobj "
- LPX64" on OST idx %d: rc = %d\n",
- oa->o_id, req->rq_oi.oi_oa->o_id,
- req->rq_idx, err);
- if (!rc)
- rc = err;
- }
+ err = obd_destroy(env, lov->lov_tgts[req->rq_idx]->ltd_exp,
+ req->rq_oi.oi_oa, NULL, oti, NULL, capa);
+ err = lov_update_common_set(set, req, err);
+ if (err) {
+ CERROR("%s: destroying objid "DOSTID" subobj "
+ DOSTID" on OST idx %d: rc = %d\n",
+ exp->exp_obd->obd_name, POSTID(&oa->o_oi),
+ POSTID(&req->rq_oi.oi_oa->o_oi),
+ req->rq_idx, err);
+ if (!rc)
+ rc = err;
+ }
}
if (rc == 0) {
RETURN(rc ? rc : err);
}
-static int lov_getattr(struct obd_export *exp, struct obd_info *oinfo)
-{
- struct lov_request_set *set;
- struct lov_request *req;
- cfs_list_t *pos;
- struct lov_obd *lov;
- int err = 0, rc = 0;
- ENTRY;
-
- LASSERT(oinfo);
- ASSERT_LSM_MAGIC(oinfo->oi_md);
-
- if (!exp || !exp->exp_obd)
- RETURN(-ENODEV);
-
- lov = &exp->exp_obd->u.lov;
-
- rc = lov_prep_getattr_set(exp, oinfo, &set);
- if (rc)
- RETURN(rc);
-
- 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,
- req->rq_oi.oi_oa->o_id, req->rq_idx);
-
- rc = obd_getattr(lov->lov_tgts[req->rq_idx]->ltd_exp,
- &req->rq_oi);
- err = lov_update_common_set(set, req, rc);
- if (err) {
- CERROR("error: getattr objid "LPX64" subobj "
- LPX64" on OST idx %d: rc = %d\n",
- oinfo->oi_oa->o_id, req->rq_oi.oi_oa->o_id,
- req->rq_idx, err);
- break;
- }
- }
-
- rc = lov_fini_getattr_set(set);
- if (err)
- rc = err;
- RETURN(rc);
-}
-
static int lov_getattr_interpret(struct ptlrpc_request_set *rqset,
- void *data, int rc)
+ void *data, int rc)
{
- struct lov_request_set *lovset = (struct lov_request_set *)data;
- int err;
- ENTRY;
-
- /* don't do attribute merge if this aysnc op failed */
- if (rc)
- lovset->set_completes = 0;
- err = lov_fini_getattr_set(lovset);
- RETURN(rc ? rc : err);
+ struct lov_request_set *lovset = (struct lov_request_set *)data;
+ int err;
+ ENTRY;
+
+ /* don't do attribute merge if this aysnc op failed */
+ if (rc)
+ atomic_set(&lovset->set_completes, 0);
+ err = lov_fini_getattr_set(lovset);
+ RETURN(rc ? rc : err);
}
static int lov_getattr_async(struct obd_export *exp, struct obd_info *oinfo,
if (rc)
RETURN(rc);
- CDEBUG(D_INFO, "objid "LPX64": %ux%u byte stripes\n",
- oinfo->oi_md->lsm_object_id, oinfo->oi_md->lsm_stripe_count,
- oinfo->oi_md->lsm_stripe_size);
-
- 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,
- req->rq_oi.oi_oa->o_id, req->rq_idx);
- rc = obd_getattr_async(lov->lov_tgts[req->rq_idx]->ltd_exp,
- &req->rq_oi, rqset);
- if (rc) {
- CERROR("error: getattr objid "LPX64" subobj "
- LPX64" on OST idx %d: rc = %d\n",
- oinfo->oi_oa->o_id, req->rq_oi.oi_oa->o_id,
- req->rq_idx, rc);
- GOTO(out, rc);
- }
- }
+ CDEBUG(D_INFO, "objid "DOSTID": %ux%u byte stripes\n",
+ POSTID(&oinfo->oi_md->lsm_oi), oinfo->oi_md->lsm_stripe_count,
+ oinfo->oi_md->lsm_stripe_size);
+
+ cfs_list_for_each(pos, &lovset->set_list) {
+ req = cfs_list_entry(pos, struct lov_request, rq_link);
+
+ CDEBUG(D_INFO, "objid "DOSTID"[%d] has subobj "DOSTID" at idx"
+ "%u\n", POSTID(&oinfo->oi_oa->o_oi), req->rq_stripe,
+ POSTID(&req->rq_oi.oi_oa->o_oi), req->rq_idx);
+ rc = obd_getattr_async(lov->lov_tgts[req->rq_idx]->ltd_exp,
+ &req->rq_oi, rqset);
+ if (rc) {
+ CERROR("%s: getattr objid "DOSTID" subobj"
+ DOSTID" on OST idx %d: rc = %d\n",
+ exp->exp_obd->obd_name,
+ POSTID(&oinfo->oi_oa->o_oi),
+ POSTID(&req->rq_oi.oi_oa->o_oi),
+ req->rq_idx, rc);
+ GOTO(out, rc);
+ }
+ }
if (!cfs_list_empty(&rqset->set_requests)) {
LASSERT(rc == 0);
RETURN(rc);
}
out:
- if (rc)
- lovset->set_completes = 0;
- err = lov_fini_getattr_set(lovset);
- RETURN(rc ? rc : err);
-}
-
-static int lov_setattr(struct obd_export *exp, struct obd_info *oinfo,
- struct obd_trans_info *oti)
-{
- struct lov_request_set *set;
- struct lov_obd *lov;
- cfs_list_t *pos;
- struct lov_request *req;
- int err = 0, rc = 0;
- ENTRY;
-
- LASSERT(oinfo);
- ASSERT_LSM_MAGIC(oinfo->oi_md);
-
- if (!exp || !exp->exp_obd)
- RETURN(-ENODEV);
-
- /* for now, we only expect the following updates here */
- LASSERT(!(oinfo->oi_oa->o_valid & ~(OBD_MD_FLID | OBD_MD_FLTYPE |
- OBD_MD_FLMODE | OBD_MD_FLATIME |
- OBD_MD_FLMTIME | OBD_MD_FLCTIME |
- OBD_MD_FLFLAGS | OBD_MD_FLSIZE |
- OBD_MD_FLGROUP | OBD_MD_FLUID |
- 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);
-
- 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);
- err = lov_update_setattr_set(set, req, rc);
- if (err) {
- CERROR("error: setattr objid "LPX64" subobj "
- LPX64" on OST idx %d: rc = %d\n",
- set->set_oi->oi_oa->o_id,
- req->rq_oi.oi_oa->o_id, req->rq_idx, err);
- if (!rc)
- rc = err;
- }
- }
- err = lov_fini_setattr_set(set);
- if (!rc)
- rc = err;
- RETURN(rc);
+ if (rc)
+ atomic_set(&lovset->set_completes, 0);
+ err = lov_fini_getattr_set(lovset);
+ RETURN(rc ? rc : err);
}
static int lov_setattr_interpret(struct ptlrpc_request_set *rqset,
- void *data, int rc)
+ void *data, int rc)
{
- struct lov_request_set *lovset = (struct lov_request_set *)data;
- int err;
- ENTRY;
-
- if (rc)
- lovset->set_completes = 0;
- err = lov_fini_setattr_set(lovset);
- RETURN(rc ? rc : err);
+ struct lov_request_set *lovset = (struct lov_request_set *)data;
+ int err;
+ ENTRY;
+
+ if (rc)
+ atomic_set(&lovset->set_completes, 0);
+ err = lov_fini_setattr_set(lovset);
+ RETURN(rc ? rc : err);
}
/* If @oti is given, the request goes from MDS and responses from OSTs are not
if (rc)
RETURN(rc);
- CDEBUG(D_INFO, "objid "LPX64": %ux%u byte stripes\n",
- oinfo->oi_md->lsm_object_id, oinfo->oi_md->lsm_stripe_count,
- oinfo->oi_md->lsm_stripe_size);
+ CDEBUG(D_INFO, "objid "DOSTID": %ux%u byte stripes\n",
+ POSTID(&oinfo->oi_md->lsm_oi),
+ oinfo->oi_md->lsm_stripe_count,
+ oinfo->oi_md->lsm_stripe_size);
+
+ 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;
+
+ CDEBUG(D_INFO, "objid "DOSTID"[%d] has subobj "DOSTID" at idx"
+ "%u\n", POSTID(&oinfo->oi_oa->o_oi), req->rq_stripe,
+ POSTID(&req->rq_oi.oi_oa->o_oi), req->rq_idx);
+
+ rc = obd_setattr_async(lov->lov_tgts[req->rq_idx]->ltd_exp,
+ &req->rq_oi, oti, rqset);
+ if (rc) {
+ CERROR("error: setattr objid "DOSTID" subobj"
+ DOSTID" on OST idx %d: rc = %d\n",
+ POSTID(&set->set_oi->oi_oa->o_oi),
+ POSTID(&req->rq_oi.oi_oa->o_oi),
+ req->rq_idx, rc);
+ break;
+ }
+ }
+
+ /* If we are not waiting for responses on async requests, return. */
+ if (rc || !rqset || cfs_list_empty(&rqset->set_requests)) {
+ int err;
+ if (rc)
+ atomic_set(&set->set_completes, 0);
+ err = lov_fini_setattr_set(set);
+ RETURN(rc ? rc : err);
+ }
+
+ LASSERT(rqset->set_interpret == NULL);
+ rqset->set_interpret = lov_setattr_interpret;
+ rqset->set_arg = (void *)set;
+
+ RETURN(0);
+}
- cfs_list_for_each (pos, &set->set_list) {
- req = cfs_list_entry(pos, struct lov_request, rq_link);
+static int lov_change_cbdata(struct obd_export *exp,
+ struct lov_stripe_md *lsm, ldlm_iterator_t it,
+ void *data)
+{
+ struct lov_obd *lov;
+ int rc = 0, i;
+ ENTRY;
- if (oinfo->oi_oa->o_valid & OBD_MD_FLCOOKIE)
- oti->oti_logcookies = set->set_cookies + req->rq_stripe;
+ ASSERT_LSM_MAGIC(lsm);
+
+ if (!exp || !exp->exp_obd)
+ RETURN(-ENODEV);
- CDEBUG(D_INFO, "objid "LPX64"[%d] has subobj "LPX64" at idx "
- "%u\n", oinfo->oi_oa->o_id, req->rq_stripe,
- req->rq_oi.oi_oa->o_id, req->rq_idx);
+ 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];
- rc = obd_setattr_async(lov->lov_tgts[req->rq_idx]->ltd_exp,
- &req->rq_oi, oti, rqset);
- if (rc) {
- CERROR("error: setattr objid "LPX64" subobj "
- LPX64" on OST idx %d: rc = %d\n",
- set->set_oi->oi_oa->o_id,
- req->rq_oi.oi_oa->o_id,
- req->rq_idx, rc);
- break;
+ if (!lov->lov_tgts[loi->loi_ost_idx]) {
+ CDEBUG(D_HA, "lov idx %d NULL \n", loi->loi_ost_idx);
+ continue;
}
- }
-
- /* If we are not waiting for responses on async requests, return. */
- if (rc || !rqset || cfs_list_empty(&rqset->set_requests)) {
- int err;
- if (rc)
- set->set_completes = 0;
- err = lov_fini_setattr_set(set);
- RETURN(rc ? rc : err);
- }
- LASSERT(rqset->set_interpret == NULL);
- rqset->set_interpret = lov_setattr_interpret;
- rqset->set_arg = (void *)set;
-
- RETURN(0);
-}
-
-static int lov_punch_interpret(struct ptlrpc_request_set *rqset,
- void *data, int rc)
-{
- struct lov_request_set *lovset = (struct lov_request_set *)data;
- int err;
- ENTRY;
-
- if (rc)
- lovset->set_completes = 0;
- err = lov_fini_punch_set(lovset);
- RETURN(rc ? rc : err);
-}
-
-/* FIXME: maybe we'll just make one node the authoritative attribute node, then
- * we can send this 'punch' to just the authoritative node and the nodes
- * that the punch will affect. */
-static int lov_punch(struct obd_export *exp, struct obd_info *oinfo,
- struct obd_trans_info *oti,
- struct ptlrpc_request_set *rqset)
-{
- struct lov_request_set *set;
- struct lov_obd *lov;
- cfs_list_t *pos;
- struct lov_request *req;
- int rc = 0;
- ENTRY;
-
- LASSERT(oinfo);
- ASSERT_LSM_MAGIC(oinfo->oi_md);
-
- if (!exp || !exp->exp_obd)
- RETURN(-ENODEV);
-
- lov = &exp->exp_obd->u.lov;
- rc = lov_prep_punch_set(exp, oinfo, oti, &set);
- if (rc)
- RETURN(rc);
-
- 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) {
- CERROR("error: punch objid "LPX64" subobj "LPX64
- " on OST idx %d: rc = %d\n",
- set->set_oi->oi_oa->o_id,
- req->rq_oi.oi_oa->o_id, req->rq_idx, rc);
- break;
- }
- }
-
- if (rc || cfs_list_empty(&rqset->set_requests)) {
- int err;
- err = lov_fini_punch_set(set);
- RETURN(rc ? rc : err);
- }
-
- LASSERT(rqset->set_interpret == NULL);
- rqset->set_interpret = lov_punch_interpret;
- rqset->set_arg = (void *)set;
-
- RETURN(0);
-}
-
-static int lov_sync(struct obd_export *exp, struct obdo *oa,
- struct lov_stripe_md *lsm, obd_off start, obd_off end,
- void *capa)
-{
- struct lov_request_set *set;
- struct obd_info oinfo;
- struct lov_obd *lov;
- cfs_list_t *pos;
- struct lov_request *req;
- int err = 0, rc = 0;
- ENTRY;
-
- ASSERT_LSM_MAGIC(lsm);
-
- if (!exp->exp_obd)
- RETURN(-ENODEV);
-
- lov = &exp->exp_obd->u.lov;
- rc = lov_prep_sync_set(exp, &oinfo, oa, lsm, start, end, &set);
- if (rc)
- RETURN(rc);
-
- 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,
- req->rq_oi.oi_policy.l_extent.start,
- req->rq_oi.oi_policy.l_extent.end, capa);
- err = lov_update_common_set(set, req, rc);
- if (err) {
- CERROR("error: fsync objid "LPX64" subobj "LPX64
- " on OST idx %d: rc = %d\n",
- set->set_oi->oi_oa->o_id,
- req->rq_oi.oi_oa->o_id, req->rq_idx, rc);
- if (!rc)
- rc = err;
- }
- }
- err = lov_fini_sync_set(set);
- if (!rc)
- rc = err;
- RETURN(rc);
-}
-
-static int lov_brw_check(struct lov_obd *lov, struct obd_info *lov_oinfo,
- obd_count oa_bufs, struct brw_page *pga)
-{
- struct obd_info oinfo = { { { 0 } } };
- int i, rc = 0;
-
- oinfo.oi_oa = lov_oinfo->oi_oa;
-
- /* The caller just wants to know if there's a chance that this
- * I/O can succeed */
- for (i = 0; i < oa_bufs; i++) {
- int stripe = lov_stripe_number(lov_oinfo->oi_md, pga[i].off);
- int ost = lov_oinfo->oi_md->lsm_oinfo[stripe]->loi_ost_idx;
- obd_off start, end;
-
- if (!lov_stripe_intersects(lov_oinfo->oi_md, i, pga[i].off,
- pga[i].off + pga[i].count - 1,
- &start, &end))
- continue;
-
- if (!lov->lov_tgts[ost] || !lov->lov_tgts[ost]->ltd_active) {
- CDEBUG(D_HA, "lov idx %d inactive\n", ost);
- return -EIO;
- }
-
- rc = obd_brw(OBD_BRW_CHECK, lov->lov_tgts[ost]->ltd_exp, &oinfo,
- 1, &pga[i], NULL);
- if (rc)
- break;
- }
- return rc;
-}
-
-static int lov_brw(int cmd, struct obd_export *exp, struct obd_info *oinfo,
- obd_count oa_bufs, struct brw_page *pga,
- struct obd_trans_info *oti)
-{
- struct lov_request_set *set;
- struct lov_request *req;
- cfs_list_t *pos;
- struct lov_obd *lov = &exp->exp_obd->u.lov;
- int err, rc = 0;
- ENTRY;
-
- ASSERT_LSM_MAGIC(oinfo->oi_md);
-
- if (cmd == OBD_BRW_CHECK) {
- rc = lov_brw_check(lov, oinfo, oa_bufs, pga);
- RETURN(rc);
- }
-
- rc = lov_prep_brw_set(exp, oinfo, oa_bufs, pga, oti, &set);
- if (rc)
- RETURN(rc);
-
- cfs_list_for_each (pos, &set->set_list) {
- struct obd_export *sub_exp;
- struct brw_page *sub_pga;
- 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;
- rc = obd_brw(cmd, sub_exp, &req->rq_oi, req->rq_oabufs,
- sub_pga, oti);
- if (rc)
- break;
- lov_update_common_set(set, req, rc);
- }
-
- err = lov_fini_brw_set(set);
- if (!rc)
- rc = err;
- 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;
- 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));
-
- /* 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);
-
- cfs_list_for_each (pos, &set->set_list) {
- req = cfs_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 && !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:
- rc = lov_fini_enqueue_set(set, mode, rc, rqset);
- RETURN(rc);
-}
-
-static int lov_change_cbdata(struct obd_export *exp,
- struct lov_stripe_md *lsm, ldlm_iterator_t it,
- void *data)
-{
- struct lov_obd *lov;
- int rc = 0, i;
- 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];
-
- if (!lov->lov_tgts[loi->loi_ost_idx]) {
- CDEBUG(D_HA, "lov idx %d NULL \n", loi->loi_ost_idx);
- continue;
- }
-
- 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);
-}
+ submd.lsm_oi = loi->loi_oi;
+ submd.lsm_stripe_count = 0;
+ rc = obd_change_cbdata(lov->lov_tgts[loi->loi_ost_idx]->ltd_exp,
+ &submd, it, data);
+ }
+ RETURN(rc);
+}
/* find any ldlm lock of the inode in lov
* return 0 not find
CDEBUG(D_HA, "lov idx %d NULL \n", loi->loi_ost_idx);
continue;
}
-
- 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);
- }
- 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;
- cfs_list_t *pos;
- struct lov_obd *lov;
- struct lustre_handle *lov_lockhp;
- int err = 0, rc = 0;
- ENTRY;
-
- ASSERT_LSM_MAGIC(lsm);
-
- if (!exp || !exp->exp_obd)
- RETURN(-ENODEV);
-
- 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);
-
- 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,
- req->rq_oi.oi_md, mode, lov_lockhp);
- rc = lov_update_common_set(set, req, rc);
- if (rc) {
- CERROR("error: cancel objid "LPX64" subobj "
- LPX64" on OST idx %d: rc = %d\n",
- lsm->lsm_object_id,
- req->rq_oi.oi_md->lsm_object_id,
- req->rq_idx, rc);
- err = rc;
- }
-
- }
- lov_fini_cancel_set(set);
- RETURN(err);
-}
-
-static int lov_cancel_unused(struct obd_export *exp,
- struct lov_stripe_md *lsm,
- ldlm_cancel_flags_t flags, void *opaque)
-{
- struct lov_obd *lov;
- int rc = 0, i;
- ENTRY;
-
- if (!exp || !exp->exp_obd)
- RETURN(-ENODEV);
-
- lov = &exp->exp_obd->u.lov;
- if (lsm == NULL) {
- for (i = 0; i < lov->desc.ld_tgt_count; i++) {
- int err;
- if (!lov->lov_tgts[i] || !lov->lov_tgts[i]->ltd_exp)
- continue;
-
- err = obd_cancel_unused(lov->lov_tgts[i]->ltd_exp, NULL,
- flags, opaque);
- if (!rc)
- rc = err;
- }
- RETURN(rc);
- }
-
- ASSERT_LSM_MAGIC(lsm);
-
- 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];
- int err;
-
- 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_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);
- if (err && lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
- CERROR("error: cancel unused objid "LPX64" subobj "LPX64
- " on OST idx %d: rc = %d\n", lsm->lsm_object_id,
- loi->loi_id, loi->loi_ost_idx, err);
- if (!rc)
- rc = err;
- }
- }
- RETURN(rc);
+ submd.lsm_oi = loi->loi_oi;
+ 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);
+ }
+ RETURN(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;
- ENTRY;
+ struct lov_request_set *lovset = (struct lov_request_set *)data;
+ int err;
+ ENTRY;
- if (rc)
- lovset->set_completes = 0;
+ if (rc)
+ atomic_set(&lovset->set_completes, 0);
- err = lov_fini_statfs_set(lovset);
- RETURN(rc ? rc : err);
+ err = lov_fini_statfs_set(lovset);
+ RETURN(rc ? rc : err);
}
-static int lov_statfs_async(struct obd_device *obd, struct obd_info *oinfo,
+static int lov_statfs_async(struct obd_export *exp, struct obd_info *oinfo,
__u64 max_age, struct ptlrpc_request_set *rqset)
{
+ struct obd_device *obd = class_exp2obd(exp);
struct lov_request_set *set;
struct lov_request *req;
cfs_list_t *pos;
RETURN(rc);
cfs_list_for_each (pos, &set->set_list) {
- struct obd_device *osc_obd;
-
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);
+ rc = obd_statfs_async(lov->lov_tgts[req->rq_idx]->ltd_exp,
+ &req->rq_oi, max_age, rqset);
if (rc)
break;
}
- if (rc || cfs_list_empty(&rqset->set_requests)) {
- int err;
- if (rc)
- set->set_completes = 0;
- err = lov_fini_statfs_set(set);
- RETURN(rc ? rc : err);
- }
+ if (rc || cfs_list_empty(&rqset->set_requests)) {
+ int err;
+ if (rc)
+ atomic_set(&set->set_completes, 0);
+ err = lov_fini_statfs_set(set);
+ RETURN(rc ? rc : err);
+ }
- LASSERT(rqset->set_interpret == NULL);
- rqset->set_interpret = lov_statfs_interpret;
- rqset->set_arg = (void *)set;
- RETURN(0);
+ LASSERT(rqset->set_interpret == NULL);
+ rqset->set_interpret = lov_statfs_interpret;
+ rqset->set_arg = (void *)set;
+ RETURN(0);
}
-static int lov_statfs(struct obd_device *obd, struct obd_statfs *osfs,
- __u64 max_age, __u32 flags)
+static int lov_statfs(const struct lu_env *env, struct obd_export *exp,
+ struct obd_statfs *osfs, __u64 max_age, __u32 flags)
{
struct ptlrpc_request_set *set = NULL;
struct obd_info oinfo = { { { 0 } } };
oinfo.oi_osfs = osfs;
oinfo.oi_flags = flags;
- rc = lov_statfs_async(obd, &oinfo, max_age, set);
+ rc = lov_statfs_async(exp, &oinfo, max_age, set);
if (rc == 0)
rc = ptlrpc_set_wait(set);
ptlrpc_set_destroy(set);
struct obd_device *osc_obd;
struct obd_statfs stat_buf = {0};
__u32 index;
+ __u32 flags;
memcpy(&index, data->ioc_inlbuf2, sizeof(__u32));
if ((index >= count))
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))))
+ if (copy_to_user(data->ioc_pbuf2, obd2cli_tgt(osc_obd),
+ min((int)data->ioc_plen2,
+ (int)sizeof(struct obd_uuid))))
RETURN(-EFAULT);
+ flags = uarg ? *(__u32*)uarg : 0;
/* got statfs data */
- rc = obd_statfs(osc_obd, &stat_buf,
- cfs_time_current_64() - CFS_HZ, 0);
+ rc = obd_statfs(NULL, lov->lov_tgts[index]->ltd_exp, &stat_buf,
+ cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS),
+ flags);
if (rc)
RETURN(rc);
- if (cfs_copy_to_user(data->ioc_pbuf1, &stat_buf,
+ if (copy_to_user(data->ioc_pbuf1, &stat_buf,
min((int) data->ioc_plen1,
(int) sizeof(stat_buf))))
RETURN(-EFAULT);
*genp = lov->lov_tgts[i]->ltd_gen;
}
- if (cfs_copy_to_user((void *)uarg, buf, len))
+ if (copy_to_user((void *)uarg, buf, len))
rc = -EFAULT;
obd_ioctl_freedata(buf, len);
break;
}
- case LL_IOC_LOV_SETSTRIPE:
- rc = lov_setstripe(exp, len, karg, uarg);
- break;
- case LL_IOC_LOV_GETSTRIPE:
- rc = lov_getstripe(exp, karg, uarg);
- break;
- case LL_IOC_LOV_SETEA:
- rc = lov_setea(exp, karg, uarg);
- break;
+ case LL_IOC_LOV_GETSTRIPE:
+ rc = lov_getstripe(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);
+ if (qctl->qc_valid == QC_OSTIDX) {
+ if (count <= qctl->qc_idx)
+ RETURN(-EINVAL);
- tgt = lov->lov_tgts[qctl->qc_idx];
- if (!tgt || !tgt->ltd_exp)
- 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];
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) {
break;
}
}
+ if (stripe_no == -1)
+ return -EINVAL;
/* If we have finished mapping on previous device, shift logical
* offset to start of next device */
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 fm_start, fm_end, fm_length, fm_end_offset;
obd_size curr_loc;
int current_extent = 0, rc = 0, i;
int ost_eof = 0; /* EOF for object */
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 (!lsm_has_objects(lsm)) {
+ if (lsm && lsm_is_released(lsm) && (fm_key->fiemap.fm_start <
+ fm_key->oa.o_size)) {
+ /* released file, return a minimal FIEMAP if
+ * request fits in file-size.
+ */
+ fiemap->fm_mapped_extents = 1;
+ fiemap->fm_extents[0].fe_logical =
+ fm_key->fiemap.fm_start;
+ if (fm_key->fiemap.fm_start + fm_key->fiemap.fm_length <
+ fm_key->oa.o_size)
+ fiemap->fm_extents[0].fe_length =
+ fm_key->fiemap.fm_length;
+ else
+ fiemap->fm_extents[0].fe_length =
+ fm_key->oa.o_size -
+ fm_key->fiemap.fm_start;
+ fiemap->fm_extents[0].fe_flags |=
+ (FIEMAP_EXTENT_UNKNOWN |
+ FIEMAP_EXTENT_LAST);
+ }
+ 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);
+ OBD_ALLOC_LARGE(fm_local, buffer_size);
if (fm_local == NULL)
GOTO(out, rc = -ENOMEM);
lcl_fm_ext = &fm_local->fm_extents[0];
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;
- }
-
+ fm_end_offset = fiemap_calc_fm_end_offset(fiemap, lsm, fm_start,
+ fm_end, &start_stripe);
+ if (fm_end_offset == -EINVAL)
+ GOTO(out, rc = -EINVAL);
+
+ if (fiemap_count_to_size(fiemap->fm_extent_count) > *vallen)
+ fiemap->fm_extent_count = fiemap_size_to_count(*vallen);
+ 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) {
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;
+ fm_key->oa.o_oi = lsm->lsm_oinfo[cur_stripe]->loi_oi;
ost_index = lsm->lsm_oinfo[cur_stripe]->loi_ost_idx;
if (ost_index < 0 || ost_index >=lov->desc.ld_tgt_count)
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,
+ rc = obd_get_info(NULL,
+ lov->lov_tgts[ost_index]->ltd_exp,
keylen, key, vallen, fm_local, lsm);
if (rc != 0)
GOTO(out, rc);
fiemap->fm_mapped_extents = current_extent;
out:
- OBD_FREE(fm_local, buffer_size);
+ if (fm_local)
+ OBD_FREE_LARGE(fm_local, buffer_size);
return rc;
}
-static int lov_get_info(struct obd_export *exp, __u32 keylen,
- void *key, __u32 *vallen, void *val,
+static int lov_get_info(const struct lu_env *env, struct obd_export *exp,
+ __u32 keylen, void *key, __u32 *vallen, void *val,
struct lov_stripe_md *lsm)
{
struct obd_device *obddev = class_exp2obd(exp);
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 &&
- osc_res_name_eq(loi->loi_id, loi->loi_seq, res_id)) {
- *stripe = i;
- GOTO(out, rc = 0);
- }
+ if (lov->lov_tgts[loi->loi_ost_idx]->ltd_exp ==
+ data->lock->l_conn_export &&
+ ostid_res_name_eq(&loi->loi_oi, res_id)) {
+ *stripe = i;
+ GOTO(out, rc = 0);
+ }
}
LDLM_ERROR(data->lock, "lock on inode without such object");
dump_lsm(D_ERROR, lsm);
if (!tgt || !tgt->ltd_active)
GOTO(out, rc = -ESRCH);
- rc = obd_get_info(tgt->ltd_exp, keylen, key, &size, info->data, NULL);
+ rc = obd_get_info(env, 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;
} 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) = exp_connect_flags(tgt->ltd_exp);
+ GOTO(out, rc = 0);
+ } else if (KEY_IS(KEY_TGT_COUNT)) {
+ *((int *)val) = lov->desc.ld_tgt_count;
+ GOTO(out, rc = 0);
}
rc = -EINVAL;
RETURN(rc);
}
-static int lov_set_info_async(struct obd_export *exp, obd_count keylen,
- void *key, obd_count vallen, void *val,
- struct ptlrpc_request_set *set)
+static int lov_set_info_async(const struct lu_env *env, struct obd_export *exp,
+ obd_count keylen, void *key, obd_count vallen,
+ void *val, struct ptlrpc_request_set *set)
{
struct obd_device *obddev = class_exp2obd(exp);
struct lov_obd *lov = &obddev->u.lov;
mds_con = 1;
} else if (KEY_IS(KEY_CAPA_KEY)) {
capa = 1;
- }
+ } else if (KEY_IS(KEY_CACHE_SET)) {
+ LASSERT(lov->lov_cache == NULL);
+ lov->lov_cache = val;
+ do_inactive = 1;
+ }
for (i = 0; i < count; i++, val = (char *)val + incr) {
if (next_id) {
&tgt->ltd_uuid))
continue;
- err = obd_set_info_async(tgt->ltd_exp,
+ err = obd_set_info_async(env, tgt->ltd_exp,
keylen, key, sizeof(int),
&mgi->group, set);
} else if (next_id) {
- err = obd_set_info_async(tgt->ltd_exp,
+ err = obd_set_info_async(env, tgt->ltd_exp,
keylen, key, vallen,
((struct obd_id_info*)val)->data, set);
} else if (capa) {
!obd_uuid_equals(info->uuid, &tgt->ltd_uuid))
continue;
- err = obd_set_info_async(tgt->ltd_exp, keylen, key,
- sizeof(*info->capa),
+ err = obd_set_info_async(env, tgt->ltd_exp, keylen,
+ key, sizeof(*info->capa),
info->capa, set);
-
} else {
/* Only want a specific OSC */
if (check_uuid &&
!obd_uuid_equals(val, &tgt->ltd_uuid))
continue;
- err = obd_set_info_async(tgt->ltd_exp,
+ err = obd_set_info_async(env, tgt->ltd_exp,
keylen, key, vallen, val, set);
}
RETURN(rc);
}
-int lov_test_and_clear_async_rc(struct lov_stripe_md *lsm)
+void lov_stripe_lock(struct lov_stripe_md *md)
+{
+ LASSERT(md->lsm_lock_owner != current_pid());
+ spin_lock(&md->lsm_lock);
+ LASSERT(md->lsm_lock_owner == 0);
+ md->lsm_lock_owner = current_pid();
+}
+
+void lov_stripe_unlock(struct lov_stripe_md *md)
+{
+ LASSERT(md->lsm_lock_owner == current_pid());
+ md->lsm_lock_owner = 0;
+ spin_unlock(&md->lsm_lock);
+}
+
+static int lov_quotactl(struct obd_device *obd, struct obd_export *exp,
+ struct obd_quotactl *oqctl)
{
- int i, rc = 0;
+ struct lov_obd *lov = &obd->u.lov;
+ struct lov_tgt_desc *tgt;
+ __u64 curspace = 0;
+ __u64 bhardlimit = 0;
+ int i, rc = 0;
ENTRY;
- for (i = 0; i < lsm->lsm_stripe_count; i++) {
- struct lov_oinfo *loi = lsm->lsm_oinfo[i];
- if (loi->loi_ar.ar_rc && !rc)
- rc = loi->loi_ar.ar_rc;
- loi->loi_ar.ar_rc = 0;
+ if (oqctl->qc_cmd != LUSTRE_Q_QUOTAON &&
+ oqctl->qc_cmd != LUSTRE_Q_QUOTAOFF &&
+ oqctl->qc_cmd != Q_GETOQUOTA &&
+ oqctl->qc_cmd != Q_INITQUOTA &&
+ oqctl->qc_cmd != LUSTRE_Q_SETQUOTA &&
+ oqctl->qc_cmd != Q_FINVALIDATE) {
+ CERROR("bad quota opc %x for lov obd", oqctl->qc_cmd);
+ RETURN(-EFAULT);
}
- RETURN(rc);
-}
-EXPORT_SYMBOL(lov_test_and_clear_async_rc);
+ /* for lov tgt */
+ obd_getref(obd);
+ for (i = 0; i < lov->desc.ld_tgt_count; i++) {
+ int err;
-static int lov_extent_calc(struct obd_export *exp, struct lov_stripe_md *lsm,
- int cmd, __u64 *offset)
-{
- __u32 ssize = lsm->lsm_stripe_size;
- __u64 start;
-
- start = *offset;
- do_div(start, ssize);
- start = start * ssize;
-
- CDEBUG(D_DLMTRACE, "offset "LPU64", stripe %u, start "LPU64
- ", end "LPU64"\n", *offset, ssize, start,
- start + ssize - 1);
- if (cmd == OBD_CALC_STRIPE_END) {
- *offset = start + ssize - 1;
- } else if (cmd == OBD_CALC_STRIPE_START) {
- *offset = start;
- } else {
- LBUG();
+ tgt = lov->lov_tgts[i];
+
+ if (!tgt)
+ continue;
+
+ if (!tgt->ltd_active || tgt->ltd_reap) {
+ if (oqctl->qc_cmd == Q_GETOQUOTA &&
+ lov->lov_tgts[i]->ltd_activate) {
+ rc = -ENETDOWN;
+ CERROR("ost %d is inactive\n", i);
+ } else {
+ CDEBUG(D_HA, "ost %d is inactive\n", i);
+ }
+ continue;
+ }
+
+ err = obd_quotactl(tgt->ltd_exp, oqctl);
+ if (err) {
+ if (tgt->ltd_active && !rc)
+ rc = err;
+ continue;
+ }
+
+ if (oqctl->qc_cmd == Q_GETOQUOTA) {
+ curspace += oqctl->qc_dqblk.dqb_curspace;
+ bhardlimit += oqctl->qc_dqblk.dqb_bhardlimit;
+ }
}
+ obd_putref(obd);
- RETURN(0);
+ if (oqctl->qc_cmd == Q_GETOQUOTA) {
+ oqctl->qc_dqblk.dqb_curspace = curspace;
+ oqctl->qc_dqblk.dqb_bhardlimit = bhardlimit;
+ }
+ RETURN(rc);
}
-void lov_stripe_lock(struct lov_stripe_md *md)
+static int lov_quotacheck(struct obd_device *obd, struct obd_export *exp,
+ struct obd_quotactl *oqctl)
{
- 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);
+ struct lov_obd *lov = &obd->u.lov;
+ int i, rc = 0;
+ ENTRY;
-void lov_stripe_unlock(struct lov_stripe_md *md)
-{
- LASSERT(md->lsm_lock_owner == cfs_curproc_pid());
- md->lsm_lock_owner = 0;
- cfs_spin_unlock(&md->lsm_lock);
+ obd_getref(obd);
+
+ for (i = 0; i < lov->desc.ld_tgt_count; i++) {
+ if (!lov->lov_tgts[i])
+ continue;
+
+ /* Skip quota check on the administratively disabled OSTs. */
+ if (!lov->lov_tgts[i]->ltd_activate) {
+ CWARN("lov idx %d was administratively disabled, "
+ "skip quotacheck on it.\n", i);
+ continue;
+ }
+
+ if (!lov->lov_tgts[i]->ltd_active) {
+ CERROR("lov idx %d inactive\n", i);
+ rc = -EIO;
+ goto out;
+ }
+ }
+
+ for (i = 0; i < lov->desc.ld_tgt_count; i++) {
+ int err;
+
+ if (!lov->lov_tgts[i] || !lov->lov_tgts[i]->ltd_activate)
+ continue;
+
+ err = obd_quotacheck(lov->lov_tgts[i]->ltd_exp, oqctl);
+ if (err && !rc)
+ rc = err;
+ }
+
+out:
+ obd_putref(obd);
+
+ RETURN(rc);
}
-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_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_create = lov_create,
- .o_destroy = lov_destroy,
- .o_getattr = lov_getattr,
- .o_getattr_async = lov_getattr_async,
- .o_setattr = lov_setattr,
- .o_setattr_async = lov_setattr_async,
- .o_brw = lov_brw,
- .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_change_cbdata = lov_change_cbdata,
- .o_find_cbdata = lov_find_cbdata,
- .o_cancel = lov_cancel,
- .o_cancel_unused = lov_cancel_unused,
- .o_iocontrol = lov_iocontrol,
- .o_get_info = lov_get_info,
- .o_set_info_async = lov_set_info_async,
- .o_extent_calc = lov_extent_calc,
- .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;
-extern quota_interface_t lov_quota_interface;
+static struct obd_ops lov_obd_ops = {
+ .o_owner = THIS_MODULE,
+ .o_setup = lov_setup,
+ .o_precleanup = lov_precleanup,
+ .o_cleanup = lov_cleanup,
+ .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_create = lov_create,
+ .o_destroy = lov_destroy,
+ .o_getattr_async = lov_getattr_async,
+ .o_setattr_async = lov_setattr_async,
+ .o_change_cbdata = lov_change_cbdata,
+ .o_find_cbdata = lov_find_cbdata,
+ .o_iocontrol = lov_iocontrol,
+ .o_get_info = lov_get_info,
+ .o_set_info_async = lov_set_info_async,
+ .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,
+ .o_quotactl = lov_quotactl,
+ .o_quotacheck = lov_quotacheck,
+};
-cfs_mem_cache_t *lov_oinfo_slab;
+struct kmem_cache *lov_oinfo_slab;
extern struct lu_kmem_descr lov_caches[];
int __init lov_init(void)
{
- struct lprocfs_static_vars lvars = { 0 };
- int rc, rc2;
- ENTRY;
+ bool enable_proc = true;
+ struct obd_type *type;
+ int rc;
+ 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);
+ CDEBUG(D_INFO, "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, CFS_SLAB_HWCACHE_ALIGN);
+ lov_oinfo_slab = kmem_cache_create("lov_oinfo",
+ sizeof(struct lov_oinfo), 0,
+ SLAB_HWCACHE_ALIGN, NULL);
if (lov_oinfo_slab == NULL) {
lu_kmem_fini(lov_caches);
return -ENOMEM;
}
- lprocfs_lov_init_vars(&lvars);
- cfs_request_module("lquota");
- quota_interface = PORTAL_SYMBOL_GET(lov_quota_interface);
- init_obd_quota_ops(quota_interface, &lov_obd_ops);
+ type = class_search_type(LUSTRE_LOD_NAME);
+ if (type != NULL && type->typ_procsym != NULL)
+ enable_proc = false;
- rc = class_register_type(&lov_obd_ops, NULL, lvars.module_vars,
- LUSTRE_LOV_NAME, &lov_device_type);
+ rc = class_register_type(&lov_obd_ops, NULL, enable_proc, NULL,
+#ifndef HAVE_ONLY_PROCFS_SEQ
+ NULL,
+#endif
+ 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);
+ kmem_cache_destroy(lov_oinfo_slab);
lu_kmem_fini(lov_caches);
}
#ifdef __KERNEL__
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);
-
- class_unregister_type(LUSTRE_LOV_NAME);
- rc = cfs_mem_cache_destroy(lov_oinfo_slab);
- LASSERT(rc == 0);
+ class_unregister_type(LUSTRE_LOV_NAME);
+ kmem_cache_destroy(lov_oinfo_slab);
+ lu_kmem_fini(lov_caches);
}
MODULE_AUTHOR("Sun Microsystems, Inc. <http://www.lustre.org/>");
git://git.whamcloud.com / fs / lustre-release.git / blobdiff