-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2011, 2012, Whamcloud, Inc.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
* Lustre is a trademark of Sun Microsystems, Inc.
*/
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
#define DEBUG_SUBSYSTEM S_LMV
#ifdef __KERNEL__
#include <linux/slab.h>
#include <liblustre.h>
#endif
-#include <lustre/lustre_idl.h>
#include <lustre_log.h>
#include <obd_support.h>
#include <lustre_lib.h>
/* object cache. */
cfs_mem_cache_t *lmv_object_cache;
-atomic_t lmv_object_count = ATOMIC_INIT(0);
+cfs_atomic_t lmv_object_count = CFS_ATOMIC_INIT(0);
static void lmv_activate_target(struct lmv_obd *lmv,
struct lmv_tgt_desc *tgt,
CDEBUG(D_INFO, "Searching in lmv %p for uuid %s (activate=%d)\n",
lmv, uuid->uuid, activate);
- spin_lock(&lmv->lmv_lock);
+ cfs_spin_lock(&lmv->lmv_lock);
for (i = 0, tgt = lmv->tgts; i < lmv->desc.ld_tgt_count; i++, tgt++) {
if (tgt->ltd_exp == NULL)
continue;
GOTO(out_lmv_lock, rc);
}
- CDEBUG(D_INFO, "Marking OBD %p %sactive\n", obd,
+ CDEBUG(D_INFO, "Marking OBD %p %sactive\n", obd,
activate ? "" : "in");
lmv_activate_target(lmv, tgt, activate);
EXIT;
out_lmv_lock:
- spin_unlock(&lmv->lmv_lock);
+ cfs_spin_unlock(&lmv->lmv_lock);
return rc;
}
LASSERT(data != NULL);
- spin_lock(&lmv->lmv_lock);
+ cfs_spin_lock(&lmv->lmv_lock);
for (i = 0, tgt = lmv->tgts; i < lmv->desc.ld_tgt_count; i++, tgt++) {
if (tgt->ltd_exp == NULL)
continue;
break;
}
}
- spin_unlock(&lmv->lmv_lock);
+ cfs_spin_unlock(&lmv->lmv_lock);
RETURN(0);
}
} else if (ev == OBD_NOTIFY_OCD) {
conn_data = &watched->u.cli.cl_import->imp_connect_data;
- /*
+ /*
* Set connect data to desired target, update exp_connect_flags.
*/
rc = lmv_set_mdc_data(lmv, uuid, conn_data);
}
#if 0
else if (ev == OBD_NOTIFY_DISCON) {
- /*
- * For disconnect event, flush fld cache for failout MDS case.
+ /*
+ * For disconnect event, flush fld cache for failout MDS case.
*/
fld_client_flush(&lmv->lmv_fld);
}
#endif
- /*
- * Pass the notification up the chain.
+ /*
+ * Pass the notification up the chain.
*/
if (obd->obd_observer)
rc = obd_notify(obd->obd_observer, watched, ev, data);
/**
* This is fake connect function. Its purpose is to initialize lmv and say
- * caller that everything is okay. Real connection will be performed later.
+ * caller that everything is okay. Real connection will be performed later.
*/
static int lmv_connect(const struct lu_env *env,
- struct lustre_handle *conn, struct obd_device *obd,
+ struct obd_export **exp, struct obd_device *obd,
struct obd_uuid *cluuid, struct obd_connect_data *data,
void *localdata)
{
struct proc_dir_entry *lmv_proc_dir;
#endif
struct lmv_obd *lmv = &obd->u.lmv;
- struct obd_export *exp;
+ struct lustre_handle conn = { 0 };
int rc = 0;
ENTRY;
- rc = class_connect(conn, obd, cluuid);
- if (rc) {
- CERROR("class_connection() returned %d\n", rc);
- RETURN(rc);
- }
-
- exp = class_conn2export(conn);
-
- /*
+ /*
* We don't want to actually do the underlying connections more than
- * once, so keep track.
+ * once, so keep track.
*/
lmv->refcount++;
if (lmv->refcount > 1) {
- class_export_put(exp);
+ *exp = NULL;
RETURN(0);
}
- lmv->exp = exp;
+ rc = class_connect(&conn, obd, cluuid);
+ if (rc) {
+ CERROR("class_connection() returned %d\n", rc);
+ RETURN(rc);
+ }
+
+ *exp = class_conn2export(&conn);
+ class_export_get(*exp);
+
+ lmv->exp = *exp;
lmv->connected = 0;
lmv->cluuid = *cluuid;
}
#endif
- /*
+ /*
* All real clients should perform actual connection right away, because
* it is possible, that LMV will not have opportunity to connect targets
* and MDC stuff will be called directly, for instance while reading
- * ../mdc/../kbytesfree procfs file, etc.
+ * ../mdc/../kbytesfree procfs file, etc.
*/
if (data->ocd_connect_flags & OBD_CONNECT_REAL)
rc = lmv_check_connect(obd);
if (tgts->ltd_exp == NULL)
continue;
- obd_set_info_async(tgts->ltd_exp, sizeof(KEY_INTERMDS),
+ obd_set_info_async(NULL, tgts->ltd_exp, sizeof(KEY_INTERMDS),
KEY_INTERMDS, 0, NULL, NULL);
}
}
struct obd_uuid *cluuid = &lmv->cluuid;
struct obd_connect_data *mdc_data = NULL;
struct obd_uuid lmv_mdc_uuid = { "LMV_MDC_UUID" };
- struct lustre_handle conn = {0, };
struct obd_device *mdc_obd;
struct obd_export *mdc_exp;
struct lu_fld_target target;
RETURN(-EINVAL);
}
- rc = obd_connect(NULL, &conn, mdc_obd, &lmv_mdc_uuid,
+ rc = obd_connect(NULL, &mdc_exp, mdc_obd, &lmv_mdc_uuid,
&lmv->conn_data, NULL);
if (rc) {
CERROR("target %s connect error %d\n", tgt->ltd_uuid.uuid, rc);
RETURN(rc);
}
- mdc_exp = class_conn2export(&conn);
-
- /*
+ /*
* Init fid sequence client for this mdc and add new fld target.
*/
rc = obd_fid_init(mdc_exp);
}
if (obd->obd_observer) {
- /*
+ /*
* Tell the observer about the new target.
*/
rc = obd_notify(obd->obd_observer, mdc_exp->exp_obd,
tgt->ltd_exp = mdc_exp;
lmv->desc.ld_active_tgt_count++;
- /*
+ /*
* Copy connect data, it may be used later.
*/
lmv->datas[tgt->ltd_idx] = *mdc_data;
CDEBUG(D_CONFIG, "Connected to %s(%s) successfully (%d)\n",
mdc_obd->obd_name, mdc_obd->obd_uuid.uuid,
- atomic_read(&obd->obd_refcount));
+ cfs_atomic_read(&obd->obd_refcount));
#ifdef __KERNEL__
lmv_proc_dir = lprocfs_srch(obd->obd_proc_entry, "target_obds");
if (lmv_proc_dir) {
struct proc_dir_entry *mdc_symlink;
- char name[MAX_STRING_SIZE + 1];
LASSERT(mdc_obd->obd_type != NULL);
LASSERT(mdc_obd->obd_type->typ_name != NULL);
- name[MAX_STRING_SIZE] = '\0';
- snprintf(name, MAX_STRING_SIZE, "../../../%s/%s",
- mdc_obd->obd_type->typ_name,
- mdc_obd->obd_name);
- mdc_symlink = proc_symlink(mdc_obd->obd_name,
- lmv_proc_dir, name);
+ mdc_symlink = lprocfs_add_symlink(mdc_obd->obd_name,
+ lmv_proc_dir,
+ "../../../%s/%s",
+ mdc_obd->obd_type->typ_name,
+ mdc_obd->obd_name);
if (mdc_symlink == NULL) {
CERROR("Could not register LMV target "
"/proc/fs/lustre/%s/%s/target_obds/%s.",
RETURN(-EINVAL);
}
- rc = obd_llog_init(obd, &obd->obd_olg, mdc_obd, 0, NULL, tgt_uuid);
+ rc = obd_llog_init(obd, &obd->obd_olg, mdc_obd, NULL);
if (rc) {
lmv_init_unlock(lmv);
CERROR("lmv failed to setup llogging subsystems\n");
}
}
- spin_lock(&lmv->lmv_lock);
+ cfs_spin_lock(&lmv->lmv_lock);
tgt = lmv->tgts + lmv->desc.ld_tgt_count++;
tgt->ltd_uuid = *tgt_uuid;
- spin_unlock(&lmv->lmv_lock);
+ cfs_spin_unlock(&lmv->lmv_lock);
if (lmv->connected) {
rc = lmv_connect_mdc(obd, tgt);
if (rc) {
- spin_lock(&lmv->lmv_lock);
+ cfs_spin_lock(&lmv->lmv_lock);
lmv->desc.ld_tgt_count--;
memset(tgt, 0, sizeof(*tgt));
- spin_unlock(&lmv->lmv_lock);
+ cfs_spin_unlock(&lmv->lmv_lock);
} else {
int easize = sizeof(struct lmv_stripe_md) +
lmv->desc.ld_tgt_count *
}
if (lmv->desc.ld_tgt_count == 0) {
+ lmv_init_unlock(lmv);
CERROR("%s: no targets configured.\n", obd->obd_name);
RETURN(-EINVAL);
}
mdc_obd = class_exp2obd(tgt->ltd_exp);
- if (mdc_obd)
+ if (mdc_obd) {
+ mdc_obd->obd_force = obd->obd_force;
+ mdc_obd->obd_fail = obd->obd_fail;
mdc_obd->obd_no_recov = obd->obd_no_recov;
+ }
#ifdef __KERNEL__
lmv_proc_dir = lprocfs_srch(obd->obd_proc_entry, "target_obds");
if (!lmv->tgts)
goto out_local;
- /*
- * Only disconnect the underlying layers on the final disconnect.
+ /*
+ * Only disconnect the underlying layers on the final disconnect.
*/
lmv->refcount--;
if (lmv->refcount != 0)
{
struct obd_device *obddev = class_exp2obd(exp);
struct lmv_obd *lmv = &obddev->u.lmv;
- int i;
+ int i = 0;
int rc = 0;
int set = 0;
+ int count = lmv->desc.ld_tgt_count;
ENTRY;
- if (lmv->desc.ld_tgt_count == 0)
+ if (count == 0)
RETURN(-ENOTTY);
switch (cmd) {
__u32 index;
memcpy(&index, data->ioc_inlbuf2, sizeof(__u32));
- LASSERT(data->ioc_plen1 == sizeof(struct obd_statfs));
-
- if ((index >= lmv->desc.ld_tgt_count))
+ if ((index >= count))
RETURN(-ENODEV);
if (!lmv->tgts[index].ltd_active)
if (!mdc_obd)
RETURN(-EINVAL);
- rc = obd_statfs(mdc_obd, &stat_buf,
- cfs_time_current_64() - HZ, 0);
+ /* copy UUID */
+ if (cfs_copy_to_user(data->ioc_pbuf2, obd2cli_tgt(mdc_obd),
+ min((int) data->ioc_plen2,
+ (int) sizeof(struct obd_uuid))))
+ RETURN(-EFAULT);
+
+ rc = obd_statfs(NULL, lmv->tgts[index].ltd_exp, &stat_buf,
+ cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS),
+ 0);
if (rc)
RETURN(rc);
- if (copy_to_user(data->ioc_pbuf1, &stat_buf, data->ioc_plen1))
- RETURN(rc);
- rc = copy_to_user(data->ioc_pbuf2, obd2cli_tgt(mdc_obd),
- data->ioc_plen2);
+ 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_QUOTACTL: {
+ struct if_quotactl *qctl = karg;
+ struct lmv_tgt_desc *tgt = NULL;
+ struct obd_quotactl *oqctl;
+
+ if (qctl->qc_valid == QC_MDTIDX) {
+ if (qctl->qc_idx < 0 || count <= qctl->qc_idx)
+ RETURN(-EINVAL);
+
+ tgt = &lmv->tgts[qctl->qc_idx];
+ if (!tgt->ltd_exp)
+ RETURN(-EINVAL);
+ } else if (qctl->qc_valid == QC_UUID) {
+ for (i = 0; i < count; i++) {
+ tgt = &lmv->tgts[i];
+ if (!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_MDTIDX;
+ qctl->obd_uuid = tgt->ltd_uuid;
+ }
+ OBD_FREE_PTR(oqctl);
+ break;
+ }
+ case OBD_IOC_CHANGELOG_SEND:
+ case OBD_IOC_CHANGELOG_CLEAR: {
+ struct ioc_changelog *icc = karg;
+
+ if (icc->icc_mdtindex >= count)
+ RETURN(-ENODEV);
+
+ rc = obd_iocontrol(cmd, lmv->tgts[icc->icc_mdtindex].ltd_exp,
+ sizeof(*icc), icc, NULL);
+ break;
+ }
+ case LL_IOC_GET_CONNECT_FLAGS: {
+ rc = obd_iocontrol(cmd, lmv->tgts[0].ltd_exp, len, karg, uarg);
+ break;
+ }
+
default : {
- for (i = 0; i < lmv->desc.ld_tgt_count; i++) {
+ for (i = 0; i < count; i++) {
int err;
+ struct obd_device *mdc_obd;
if (lmv->tgts[i].ltd_exp == NULL)
continue;
-
+ /* ll_umount_begin() sets force flag but for lmv, not
+ * mdc. Let's pass it through */
+ mdc_obd = class_exp2obd(lmv->tgts[i].ltd_exp);
+ mdc_obd->obd_force = obddev->obd_force;
err = obd_iocontrol(cmd, lmv->tgts[i].ltd_exp, len,
karg, uarg);
- if (err) {
+ if (err == -ENODATA && cmd == OBD_IOC_POLL_QUOTACHECK) {
+ RETURN(err);
+ } else if (err) {
if (lmv->tgts[i].ltd_active) {
CERROR("error: iocontrol MDC %s on MDT"
"idx %d cmd %x: err = %d\n",
{
struct obd_import *imp;
__u32 id;
-
+
/*
* XXX: To get nid we assume that underlying obd device is mdc.
*/
}
/**
- * This is _inode_ placement policy function (not name).
+ * This is _inode_ placement policy function (not name).
*/
static int lmv_placement_policy(struct obd_device *obd,
struct md_op_data *op_data,
ENTRY;
tgt = lmv_get_target(lmv, mds);
-
- /*
+
+ /*
* New seq alloc and FLD setup should be atomic. Otherwise we may find
* on server that seq in new allocated fid is not yet known.
*/
- down(&tgt->ltd_fid_sem);
+ cfs_mutex_lock(&tgt->ltd_fid_mutex);
if (!tgt->ltd_active)
GOTO(out, rc = -ENODEV);
- /*
- * Asking underlaying tgt layer to allocate new fid.
+ /*
+ * Asking underlaying tgt layer to allocate new fid.
*/
rc = obd_fid_alloc(tgt->ltd_exp, fid, NULL);
if (rc > 0) {
LASSERT(fid_is_sane(fid));
-
- /*
- * Client switches to new sequence, setup FLD.
- */
- rc = fld_client_create(&lmv->lmv_fld, fid_seq(fid),
- mds, NULL);
- if (rc) {
- /*
- * Delete just allocated fid sequence in case
- * of fail back.
- */
- CERROR("Can't create fld entry, rc %d\n", rc);
- obd_fid_delete(tgt->ltd_exp, NULL);
- }
+ rc = 0;
}
EXIT;
out:
- up(&tgt->ltd_fid_sem);
+ cfs_mutex_unlock(&tgt->ltd_fid_mutex);
return rc;
}
{
struct obd_device *obd = class_exp2obd(exp);
struct lmv_obd *lmv = &obd->u.lmv;
- mdsno_t mds;
+ mdsno_t mds = 0;
int rc;
ENTRY;
RETURN(-ENOMEM);
for (i = 0; i < LMV_MAX_TGT_COUNT; i++) {
- sema_init(&lmv->tgts[i].ltd_fid_sem, 1);
+ cfs_mutex_init(&lmv->tgts[i].ltd_fid_mutex);
lmv->tgts[i].ltd_idx = i;
}
lmv->max_easize = 0;
lmv->lmv_placement = PLACEMENT_CHAR_POLICY;
- spin_lock_init(&lmv->lmv_lock);
- sema_init(&lmv->init_sem, 1);
+ cfs_spin_lock_init(&lmv->lmv_lock);
+ cfs_mutex_init(&lmv->init_mutex);
rc = lmv_object_setup(obd);
if (rc) {
lprocfs_obd_setup(obd, lvars.obd_vars);
#ifdef LPROCFS
{
- rc = lprocfs_seq_create(obd->obd_proc_entry, "target_obd_status",
+ rc = lprocfs_seq_create(obd->obd_proc_entry, "target_obd",
0444, &lmv_proc_target_fops, obd);
if (rc)
- CWARN("Error adding target_obd_stats file (%d)\n", rc);
+ CWARN("%s: error adding LMV target_obd file: rc = %d\n",
+ obd->obd_name, rc);
}
#endif
rc = fld_client_init(&lmv->lmv_fld, obd->obd_name,
ENTRY;
fld_client_fini(&lmv->lmv_fld);
- lprocfs_obd_cleanup(obd);
lmv_object_cleanup(obd);
OBD_FREE(lmv->datas, lmv->datas_size);
OBD_FREE(lmv->tgts, lmv->tgts_size);
RETURN(rc);
}
-static int lmv_statfs(struct obd_device *obd, struct obd_statfs *osfs,
- __u64 max_age, __u32 flags)
+static int lmv_statfs(const struct lu_env *env, struct obd_export *exp,
+ struct obd_statfs *osfs, __u64 max_age, __u32 flags)
{
+ struct obd_device *obd = class_exp2obd(exp);
struct lmv_obd *lmv = &obd->u.lmv;
struct obd_statfs *temp;
int rc = 0;
if (lmv->tgts[i].ltd_exp == NULL)
continue;
- rc = obd_statfs(lmv->tgts[i].ltd_exp->exp_obd, temp,
+ rc = obd_statfs(env, lmv->tgts[i].ltd_exp, temp,
max_age, flags);
if (rc) {
CERROR("can't stat MDS #%d (%s), error %d\n", i,
if (IS_ERR(tgt))
RETURN(PTR_ERR(tgt));
- rc = md_setxattr(tgt->ltd_exp, fid, oc, valid, name, input,
+ rc = md_setxattr(tgt->ltd_exp, fid, oc, valid, name, input,
input_size, output_size, flags, suppgid,
request);
RETURN(rc);
}
-static int lmv_getattr(struct obd_export *exp, const struct lu_fid *fid,
- struct obd_capa *oc, obd_valid valid, int ea_size,
+static int lmv_getattr(struct obd_export *exp, struct md_op_data *op_data,
struct ptlrpc_request **request)
{
struct obd_device *obd = exp->exp_obd;
if (rc)
RETURN(rc);
- tgt = lmv_find_target(lmv, fid);
+ tgt = lmv_find_target(lmv, &op_data->op_fid1);
if (IS_ERR(tgt))
RETURN(PTR_ERR(tgt));
- rc = md_getattr(tgt->ltd_exp, fid, oc, valid, ea_size, request);
+ if (op_data->op_valid & OBD_MD_MDTIDX) {
+ op_data->op_mds = tgt->ltd_idx;
+ RETURN(0);
+ }
+
+ rc = md_getattr(tgt->ltd_exp, op_data, request);
if (rc)
RETURN(rc);
- obj = lmv_object_find_lock(obd, fid);
+ obj = lmv_object_find_lock(obd, &op_data->op_fid1);
- CDEBUG(D_INODE, "GETATTR for "DFID" %s\n", PFID(fid),
+ CDEBUG(D_INODE, "GETATTR for "DFID" %s\n", PFID(&op_data->op_fid1),
obj ? "(split)" : "");
/*
continue;
}
- /*
+ /*
* Skip master object.
*/
if (lu_fid_eq(&obj->lo_fid, &obj->lo_stripes[i].ls_fid))
RETURN(0);
}
+static int lmv_find_cbdata(struct obd_export *exp, const struct lu_fid *fid,
+ ldlm_iterator_t it, void *data)
+{
+ struct obd_device *obd = exp->exp_obd;
+ struct lmv_obd *lmv = &obd->u.lmv;
+ int i;
+ int rc;
+ ENTRY;
+
+ rc = lmv_check_connect(obd);
+ if (rc)
+ RETURN(rc);
+
+ CDEBUG(D_INODE, "CBDATA for "DFID"\n", PFID(fid));
+
+ /*
+ * With CMD every object can have two locks in different namespaces:
+ * lookup lock in space of mds storing direntry and update/open lock in
+ * space of mds storing inode.
+ */
+ for (i = 0; i < lmv->desc.ld_tgt_count; i++) {
+ rc = md_find_cbdata(lmv->tgts[i].ltd_exp, fid, it, data);
+ if (rc)
+ RETURN(rc);
+ }
+
+ RETURN(rc);
+}
+
+
static int lmv_close(struct obd_export *exp, struct md_op_data *op_data,
struct md_open_data *mod, struct ptlrpc_request **request)
{
struct lmv_tgt_desc *tgt;
struct lmv_object *obj;
struct lustre_md md;
+ struct md_op_data *op_data;
int mealen;
int rc;
__u64 valid;
if (IS_ERR(tgt))
RETURN(PTR_ERR(tgt));
- /*
- * Time to update mea of parent fid.
+ /*
+ * Time to update mea of parent fid.
*/
- rc = md_getattr(tgt->ltd_exp, fid, NULL, valid, mealen, &req);
+
+ OBD_ALLOC_PTR(op_data);
+ if (op_data == NULL)
+ RETURN(-ENOMEM);
+
+ op_data->op_fid1 = *fid;
+ op_data->op_mode = mealen;
+ op_data->op_valid = valid;
+
+ rc = md_getattr(tgt->ltd_exp, op_data, &req);
+ OBD_FREE_PTR(op_data);
if (rc) {
CERROR("md_getattr() failed, error %d\n", rc);
GOTO(cleanup, rc);
else if (rc)
RETURN(rc);
- CDEBUG(D_INODE, "CREATE '%*s' on "DFID" -> mds #"LPU64"\n",
+ CDEBUG(D_INODE, "CREATE '%*s' on "DFID" -> mds #%x\n",
op_data->op_namelen, op_data->op_name, PFID(&op_data->op_fid1),
op_data->op_mds);
OBD_FREE_PTR(op_data2);
if (rc != 0) {
- /*
- * Drop all taken locks.
+ /*
+ * Drop all taken locks.
*/
while (--i >= 0) {
if (lockh[i].cookie)
CDEBUG(D_INODE, "REMOTE_ENQUEUE '%s' on "DFID" -> "DFID"\n",
LL_IT2STR(it), PFID(&op_data->op_fid1), PFID(&body->fid1));
- /*
- * We got LOOKUP lock, but we really need attrs.
+ /*
+ * We got LOOKUP lock, but we really need attrs.
*/
pmode = it->d.lustre.it_lock_mode;
LASSERT(pmode != 0);
CDEBUG(D_INODE, "ENQUEUE '%s' on "DFID" -> mds #%d\n",
LL_IT2STR(it), PFID(&op_data->op_fid1), tgt->ltd_idx);
-
+
rc = md_enqueue(tgt->ltd_exp, einfo, it, op_data, lockh,
lmm, lmmsize, req, extra_lock_flags);
}
static int
-lmv_getattr_name(struct obd_export *exp, const struct lu_fid *fid,
- struct obd_capa *oc, const char *name, int namelen,
- obd_valid valid, int ea_size, __u32 suppgid,
+lmv_getattr_name(struct obd_export *exp,struct md_op_data *op_data,
struct ptlrpc_request **request)
{
struct ptlrpc_request *req = NULL;
struct obd_device *obd = exp->exp_obd;
struct lmv_obd *lmv = &obd->u.lmv;
- struct lu_fid rid = *fid;
+ struct lu_fid rid = op_data->op_fid1;
struct lmv_tgt_desc *tgt;
struct mdt_body *body;
struct lmv_object *obj;
+ obd_valid valid = op_data->op_valid;
int rc;
int loop = 0;
int sidx;
obj = lmv_object_find(obd, &rid);
if (obj) {
sidx = raw_name2idx(obj->lo_hashtype, obj->lo_objcount,
- name, namelen - 1);
+ op_data->op_name, op_data->op_namelen);
rid = obj->lo_stripes[sidx].ls_fid;
tgt = lmv_get_target(lmv, obj->lo_stripes[sidx].ls_mds);
+ op_data->op_mds = obj->lo_stripes[sidx].ls_mds;
valid &= ~OBD_MD_FLCKSPLIT;
lmv_object_put(obj);
} else {
tgt = lmv_find_target(lmv, &rid);
valid |= OBD_MD_FLCKSPLIT;
+ op_data->op_mds = tgt->ltd_idx;
}
if (IS_ERR(tgt))
RETURN(PTR_ERR(tgt));
CDEBUG(D_INODE, "GETATTR_NAME for %*s on "DFID" - "DFID" -> mds #%d\n",
- namelen, name, PFID(fid), PFID(&rid), tgt->ltd_idx);
+ op_data->op_namelen, op_data->op_name, PFID(&op_data->op_fid1),
+ PFID(&rid), tgt->ltd_idx);
- rc = md_getattr_name(tgt->ltd_exp, &rid, oc, name, namelen, valid,
- ea_size, suppgid, request);
+ op_data->op_valid = valid;
+ op_data->op_fid1 = rid;
+ rc = md_getattr_name(tgt->ltd_exp, op_data, request);
if (rc == 0) {
body = req_capsule_server_get(&(*request)->rq_pill,
&RMF_MDT_BODY);
RETURN(PTR_ERR(tgt));
}
- rc = md_getattr_name(tgt->ltd_exp, &rid, NULL, NULL,
- 1, valid | OBD_MD_FLCROSSREF,
- ea_size, suppgid, &req);
+ op_data->op_fid1 = rid;
+ op_data->op_valid |= OBD_MD_FLCROSSREF;
+ op_data->op_namelen = 0;
+ op_data->op_name = NULL;
+ rc = md_getattr_name(tgt->ltd_exp, op_data, &req);
ptlrpc_req_finished(*request);
*request = req;
}
obj = lmv_object_find(obd, op_fid);
if (obj == NULL)
RETURN(-EALREADY);
-
+
policy.l_inodebits.bits = bits;
for (i = 0; i < obj->lo_objcount; i++) {
tgt = lmv_get_target(lmv, obj->lo_stripes[i].ls_mds);
if (op_tgt != tgt->ltd_idx) {
CDEBUG(D_INODE, "EARLY_CANCEL slave "DFID" -> mds #%d\n",
PFID(st_fid), tgt->ltd_idx);
- rc = md_cancel_unused(tgt->ltd_exp, st_fid, &policy,
- mode, LDLM_FL_ASYNC, NULL);
+ rc = md_cancel_unused(tgt->ltd_exp, st_fid, &policy,
+ mode, LCF_ASYNC, NULL);
if (rc)
GOTO(out_put_obj, rc);
} else {
- CDEBUG(D_INODE,
+ CDEBUG(D_INODE,
"EARLY_CANCEL skip operation target %d on "DFID"\n",
op_tgt, PFID(st_fid));
/*
CDEBUG(D_INODE, "EARLY_CANCEL on "DFID"\n", PFID(fid));
policy.l_inodebits.bits = bits;
rc = md_cancel_unused(tgt->ltd_exp, fid, &policy,
- mode, LDLM_FL_ASYNC, NULL);
+ mode, LCF_ASYNC, NULL);
} else {
- CDEBUG(D_INODE,
+ CDEBUG(D_INODE,
"EARLY_CANCEL skip operation target %d on "DFID"\n",
op_tgt, PFID(fid));
op_data->op_flags |= flag;
repeat:
++loop;
LASSERT(loop <= 2);
- if (op_data->op_namelen != 0) {
- obj = lmv_object_find(obd, &op_data->op_fid2);
- if (obj) {
- sidx = raw_name2idx(obj->lo_hashtype,
- obj->lo_objcount,
- op_data->op_name,
- op_data->op_namelen);
- op_data->op_fid2 = obj->lo_stripes[sidx].ls_fid;
- mds = obj->lo_stripes[sidx].ls_mds;
- lmv_object_put(obj);
- } else {
- rc = lmv_fld_lookup(lmv, &op_data->op_fid2, &mds);
- if (rc)
- RETURN(rc);
- }
+ LASSERT(op_data->op_namelen != 0);
+
+ CDEBUG(D_INODE, "LINK "DFID":%*s to "DFID"\n",
+ PFID(&op_data->op_fid2), op_data->op_namelen,
+ op_data->op_name, PFID(&op_data->op_fid1));
- CDEBUG(D_INODE, "LINK "DFID":%*s to "DFID"\n",
- PFID(&op_data->op_fid2), op_data->op_namelen,
- op_data->op_name, PFID(&op_data->op_fid1));
+ obj = lmv_object_find(obd, &op_data->op_fid2);
+ if (obj) {
+ sidx = raw_name2idx(obj->lo_hashtype,
+ obj->lo_objcount,
+ op_data->op_name,
+ op_data->op_namelen);
+ op_data->op_fid2 = obj->lo_stripes[sidx].ls_fid;
+ mds = obj->lo_stripes[sidx].ls_mds;
+ lmv_object_put(obj);
} else {
- rc = lmv_fld_lookup(lmv, &op_data->op_fid1, &mds);
+ rc = lmv_fld_lookup(lmv, &op_data->op_fid2, &mds);
if (rc)
RETURN(rc);
-
- /*
- * Request from MDS to acquire i_links for inode by fid1.
- */
- CDEBUG(D_INODE, "Inc i_nlinks for "DFID"\n",
- PFID(&op_data->op_fid1));
}
- CDEBUG(D_INODE, "Forward to mds #"LPU64" ("DFID")\n",
+ CDEBUG(D_INODE, "Forward to mds #%x ("DFID")\n",
mds, PFID(&op_data->op_fid1));
- op_data->op_fsuid = current->fsuid;
- op_data->op_fsgid = current->fsgid;
+ op_data->op_fsuid = cfs_curproc_fsuid();
+ op_data->op_fsgid = cfs_curproc_fsgid();
op_data->op_cap = cfs_curproc_cap_pack();
tgt = lmv_get_target(lmv, mds);
- if (op_data->op_namelen) {
- /*
- * Cancel UPDATE lock on child (fid1).
- */
- op_data->op_flags |= MF_MDC_CANCEL_FID2;
- rc = lmv_early_cancel(exp, op_data, tgt->ltd_idx, LCK_EX,
- MDS_INODELOCK_UPDATE, MF_MDC_CANCEL_FID1);
- }
+ /*
+ * Cancel UPDATE lock on child (fid1).
+ */
+ op_data->op_flags |= MF_MDC_CANCEL_FID2;
+ rc = lmv_early_cancel(exp, op_data, tgt->ltd_idx, LCK_EX,
+ MDS_INODELOCK_UPDATE, MF_MDC_CANCEL_FID1);
if (rc == 0)
rc = md_link(tgt->ltd_exp, op_data, request);
if (rc == -ERESTART) {
struct obd_device *obd = exp->exp_obd;
struct lmv_obd *lmv = &obd->u.lmv;
struct lmv_tgt_desc *src_tgt;
- struct lmv_tgt_desc *tgt_tgt;
int rc;
int sidx;
int loop = 0;
mdsno_t mds2;
ENTRY;
+ LASSERT(oldlen != 0);
+
CDEBUG(D_INODE, "RENAME %*s in "DFID" to %*s in "DFID"\n",
oldlen, old, PFID(&op_data->op_fid1),
newlen, new, PFID(&op_data->op_fid2));
if (rc)
RETURN(rc);
- if (oldlen == 0) {
- /*
- * MDS with old dir entry is asking another MDS to create name
- * there.
- */
- CDEBUG(D_INODE,
- "Create %*s(%d/%d) in "DFID" pointing "
- "to "DFID"\n", newlen, new, oldlen, newlen,
- PFID(&op_data->op_fid2), PFID(&op_data->op_fid1));
-
- rc = lmv_fld_lookup(lmv, &op_data->op_fid2, &mds1);
- if (rc)
- RETURN(rc);
-
- /*
- * Target directory can be split, sowe should forward request to
- * the right MDS.
- */
- obj = lmv_object_find(obd, &op_data->op_fid2);
- if (obj) {
- sidx = raw_name2idx(obj->lo_hashtype,
- obj->lo_objcount,
- (char *)new, newlen);
- op_data->op_fid2 = obj->lo_stripes[sidx].ls_fid;
- CDEBUG(D_INODE, "Parent obj "DFID"\n",
- PFID(&op_data->op_fid2));
- lmv_object_put(obj);
- }
- goto request;
- }
-
repeat:
++loop;
LASSERT(loop <= 2);
RETURN(rc);
}
-request:
- op_data->op_fsuid = current->fsuid;
- op_data->op_fsgid = current->fsgid;
+ op_data->op_fsuid = cfs_curproc_fsuid();
+ op_data->op_fsgid = cfs_curproc_fsgid();
op_data->op_cap = cfs_curproc_cap_pack();
src_tgt = lmv_get_target(lmv, mds1);
- tgt_tgt = lmv_get_target(lmv, mds2);
- if (oldlen) {
- /*
- * LOOKUP lock on src child (fid3) should also be cancelled for
- * src_tgt in mdc_rename.
- */
- op_data->op_flags |= MF_MDC_CANCEL_FID1 | MF_MDC_CANCEL_FID3;
- /*
- * Cancel UPDATE locks on tgt parent (fid2), tgt_tgt is its
- * own target.
- */
- rc = lmv_early_cancel(exp, op_data, src_tgt->ltd_idx,
- LCK_EX, MDS_INODELOCK_UPDATE,
- MF_MDC_CANCEL_FID2);
+ /*
+ * LOOKUP lock on src child (fid3) should also be cancelled for
+ * src_tgt in mdc_rename.
+ */
+ op_data->op_flags |= MF_MDC_CANCEL_FID1 | MF_MDC_CANCEL_FID3;
- /*
- * Cancel LOOKUP locks on tgt child (fid4) for parent tgt_tgt.
- */
- if (rc == 0) {
- rc = lmv_early_cancel(exp, op_data, src_tgt->ltd_idx,
- LCK_EX, MDS_INODELOCK_LOOKUP,
- MF_MDC_CANCEL_FID4);
- }
+ /*
+ * Cancel UPDATE locks on tgt parent (fid2), tgt_tgt is its
+ * own target.
+ */
+ rc = lmv_early_cancel(exp, op_data, src_tgt->ltd_idx,
+ LCK_EX, MDS_INODELOCK_UPDATE,
+ MF_MDC_CANCEL_FID2);
- /*
- * Cancel all the locks on tgt child (fid4).
- */
- if (rc == 0)
- rc = lmv_early_cancel(exp, op_data, src_tgt->ltd_idx,
- LCK_EX, MDS_INODELOCK_FULL,
- MF_MDC_CANCEL_FID4);
+ /*
+ * Cancel LOOKUP locks on tgt child (fid4) for parent tgt_tgt.
+ */
+ if (rc == 0) {
+ rc = lmv_early_cancel(exp, op_data, src_tgt->ltd_idx,
+ LCK_EX, MDS_INODELOCK_LOOKUP,
+ MF_MDC_CANCEL_FID4);
}
+ /*
+ * Cancel all the locks on tgt child (fid4).
+ */
+ if (rc == 0)
+ rc = lmv_early_cancel(exp, op_data, src_tgt->ltd_idx,
+ LCK_EX, MDS_INODELOCK_FULL,
+ MF_MDC_CANCEL_FID4);
+
if (rc == 0)
rc = md_rename(src_tgt->ltd_exp, op_data, old, oldlen,
new, newlen, request);
+
if (rc == -ERESTART) {
LASSERT(*request != NULL);
- DEBUG_REQ(D_WARNING|D_RPCTRACE, *request,
+ DEBUG_REQ(D_WARNING|D_RPCTRACE, *request,
"Got -ERESTART during rename!\n");
ptlrpc_req_finished(*request);
*request = NULL;
/**
* Main purpose of LMV blocking ast is to remove split directory LMV
- * presentation object (struct lmv_object) attached to the lock being revoked.
+ * presentation object (struct lmv_object) attached to the lock being revoked.
*/
int lmv_blocking_ast(struct ldlm_lock *lock, struct ldlm_lock_desc *desc,
void *data, int flag)
}
break;
case LDLM_CB_CANCELING:
- /*
+ /*
* Time to drop cached attrs for split directory object
*/
obj = lock->l_ast_data;
val = le64_to_cpu(*hash);
if (val < hash_adj)
val += MAX_HASH_SIZE;
- if (val != DIR_END_OFF)
+ if (val != MDS_DIR_END_OFF)
*hash = cpu_to_le64(val - hash_adj);
}
return id ^ (id >> 32);
}
-static int lmv_readpage(struct obd_export *exp, const struct lu_fid *fid,
- struct obd_capa *oc, __u64 offset64, struct page *page,
- struct ptlrpc_request **request)
+static int lmv_readpage(struct obd_export *exp, struct md_op_data *op_data,
+ struct page **pages, struct ptlrpc_request **request)
{
struct obd_device *obd = exp->exp_obd;
struct lmv_obd *lmv = &obd->u.lmv;
- struct lu_fid rid = *fid;
struct lmv_object *obj;
- __u64 offset;
+ struct lu_fid rid = op_data->op_fid1;
+ __u64 offset = op_data->op_offset;
__u64 hash_adj = 0;
__u32 rank = 0;
__u64 seg_size = 0;
int tgt0_idx = 0;
int rc;
int nr = 0;
+ int i;
+ /* number of pages read, in CFS_PAGE_SIZE */
+ int nrdpgs;
+ /* number of pages transferred in LU_PAGE_SIZE */
+ int nlupgs;
struct lmv_stripe *los;
struct lmv_tgt_desc *tgt;
struct lu_dirpage *dp;
struct lu_dirent *ent;
ENTRY;
- offset = offset64;
-
rc = lmv_check_connect(obd);
if (rc)
RETURN(rc);
* [R*MAX_HASH/N ... (R + 1)*MAX_HASH/N] there for we do hash_adj
* on hash values that we get.
*/
- obj = lmv_object_find_lock(obd, fid);
+ obj = lmv_object_find_lock(obd, &rid);
if (obj) {
nr = obj->lo_objcount;
LASSERT(nr > 0);
do_div(seg_size, nr);
los = obj->lo_stripes;
tgt = lmv_get_target(lmv, los[0].ls_mds);
- rank = lmv_node_rank(tgt->ltd_exp, fid) % nr;
+ rank = lmv_node_rank(tgt->ltd_exp, &rid) % nr;
tgt_tmp = offset;
do_div(tgt_tmp, seg_size);
tgt0_idx = do_div(tgt_tmp, nr);
hash_adj += rank * seg_size;
CDEBUG(D_INODE, "Readpage hash adjustment: %x "LPX64" "
- LPX64"/%x -> "LPX64"/%x\n", rank, hash_adj,
+ LPX64"/%x -> "LPX64"/%x\n", rank, hash_adj,
offset, tgt0_idx, offset + hash_adj, tgt_idx);
offset = (offset + hash_adj) & MAX_HASH_SIZE;
if (IS_ERR(tgt))
GOTO(cleanup, rc = PTR_ERR(tgt));
- rc = md_readpage(tgt->ltd_exp, &rid, oc, offset, page, request);
+ op_data->op_fid1 = rid;
+ rc = md_readpage(tgt->ltd_exp, op_data, pages, request);
if (rc)
GOTO(cleanup, rc);
- if (obj) {
- dp = cfs_kmap(page);
- lmv_hash_adjust(&dp->ldp_hash_start, hash_adj);
- lmv_hash_adjust(&dp->ldp_hash_end, hash_adj);
- LASSERT(le64_to_cpu(dp->ldp_hash_start) <= offset64);
+ nrdpgs = ((*request)->rq_bulk->bd_nob_transferred + CFS_PAGE_SIZE - 1)
+ >> CFS_PAGE_SHIFT;
+ nlupgs = (*request)->rq_bulk->bd_nob_transferred >> LU_PAGE_SHIFT;
+ LASSERT(!((*request)->rq_bulk->bd_nob_transferred & ~LU_PAGE_MASK));
+ LASSERT(nrdpgs > 0 && nrdpgs <= op_data->op_npages);
- for (ent = lu_dirent_start(dp); ent != NULL;
- ent = lu_dirent_next(ent))
- lmv_hash_adjust(&ent->lde_hash, hash_adj);
+ CDEBUG(D_INODE, "read %d(%d)/%d pages\n", nrdpgs, nlupgs,
+ op_data->op_npages);
- if (tgt0_idx != nr - 1) {
- __u64 end;
+ for (i = 0; i < nrdpgs; i++) {
+#if CFS_PAGE_SIZE > LU_PAGE_SIZE
+ struct lu_dirpage *first;
+ __u64 hash_end = 0;
+ __u32 flags = 0;
+#endif
+ struct lu_dirent *tmp = NULL;
- end = le64_to_cpu(dp->ldp_hash_end);
- if (end == DIR_END_OFF) {
+ dp = cfs_kmap(pages[i]);
+ if (obj) {
+ lmv_hash_adjust(&dp->ldp_hash_start, hash_adj);
+ lmv_hash_adjust(&dp->ldp_hash_end, hash_adj);
+ LASSERT(le64_to_cpu(dp->ldp_hash_start) <=
+ op_data->op_offset);
+
+ if ((tgt0_idx != nr - 1) &&
+ (le64_to_cpu(dp->ldp_hash_end) == MDS_DIR_END_OFF))
+ {
dp->ldp_hash_end = cpu_to_le32(seg_size *
(tgt0_idx + 1));
CDEBUG(D_INODE,
""DFID" reset end "LPX64" tgt %d\n",
PFID(&rid),
- le64_to_cpu(dp->ldp_hash_end), tgt_idx);
+ (__u64)le64_to_cpu(dp->ldp_hash_end),
+ tgt_idx);
}
}
- cfs_kunmap(page);
+
+ ent = lu_dirent_start(dp);
+#if CFS_PAGE_SIZE > LU_PAGE_SIZE
+ first = dp;
+ hash_end = dp->ldp_hash_end;
+repeat:
+#endif
+ nlupgs--;
+ for (tmp = ent; ent != NULL;
+ tmp = ent, ent = lu_dirent_next(ent)) {
+ if (obj)
+ lmv_hash_adjust(&ent->lde_hash, hash_adj);
+ }
+
+#if CFS_PAGE_SIZE > LU_PAGE_SIZE
+ dp = (struct lu_dirpage *)((char *)dp + LU_PAGE_SIZE);
+ if (((unsigned long)dp & ~CFS_PAGE_MASK) && nlupgs > 0) {
+ ent = lu_dirent_start(dp);
+
+ if (obj) {
+ lmv_hash_adjust(&dp->ldp_hash_end, hash_adj);
+ if ((tgt0_idx != nr - 1) &&
+ (le64_to_cpu(dp->ldp_hash_end) ==
+ MDS_DIR_END_OFF)) {
+ hash_end = cpu_to_le32(seg_size *
+ (tgt0_idx + 1));
+ CDEBUG(D_INODE,
+ ""DFID" reset end "LPX64" tgt %d\n",
+ PFID(&rid),
+ (__u64)le64_to_cpu(hash_end),
+ tgt_idx);
+ }
+ }
+ hash_end = dp->ldp_hash_end;
+ flags = dp->ldp_flags;
+
+ if (tmp) {
+ /* enlarge the end entry lde_reclen from 0 to
+ * first entry of next lu_dirpage, in this way
+ * several lu_dirpages can be stored into one
+ * client page on client. */
+ tmp = ((void *)tmp) +
+ le16_to_cpu(tmp->lde_reclen);
+ tmp->lde_reclen =
+ cpu_to_le16((char *)(dp->ldp_entries) -
+ (char *)tmp);
+ goto repeat;
+ }
+ }
+ first->ldp_hash_end = hash_end;
+ first->ldp_flags &= ~cpu_to_le32(LDF_COLLIDE);
+ first->ldp_flags |= flags & cpu_to_le32(LDF_COLLIDE);
+#else
+ SET_BUT_UNUSED(tmp);
+#endif
+ cfs_kunmap(pages[i]);
}
EXIT;
cleanup:
struct lmv_tgt_desc *tgt = NULL;
struct lmv_object *obj;
int rc;
+ int sidx;
int loop = 0;
ENTRY;
repeat:
++loop;
LASSERT(loop <= 2);
- if (op_data->op_namelen != 0) {
- int sidx;
+ LASSERT(op_data->op_namelen != 0);
- obj = lmv_object_find(obd, &op_data->op_fid1);
- if (obj) {
- sidx = raw_name2idx(obj->lo_hashtype,
- obj->lo_objcount,
- op_data->op_name,
- op_data->op_namelen);
- op_data->op_bias &= ~MDS_CHECK_SPLIT;
- op_data->op_fid1 = obj->lo_stripes[sidx].ls_fid;
- tgt = lmv_get_target(lmv,
- obj->lo_stripes[sidx].ls_mds);
- lmv_object_put(obj);
- CDEBUG(D_INODE, "UNLINK '%*s' in "DFID" -> %u\n",
- op_data->op_namelen, op_data->op_name,
- PFID(&op_data->op_fid1), sidx);
- }
- } else {
- CDEBUG(D_INODE, "Drop i_nlink on "DFID"\n",
- PFID(&op_data->op_fid1));
+ obj = lmv_object_find(obd, &op_data->op_fid1);
+ if (obj) {
+ sidx = raw_name2idx(obj->lo_hashtype,
+ obj->lo_objcount,
+ op_data->op_name,
+ op_data->op_namelen);
+ op_data->op_bias &= ~MDS_CHECK_SPLIT;
+ op_data->op_fid1 = obj->lo_stripes[sidx].ls_fid;
+ tgt = lmv_get_target(lmv,
+ obj->lo_stripes[sidx].ls_mds);
+ lmv_object_put(obj);
+ CDEBUG(D_INODE, "UNLINK '%*s' in "DFID" -> %u\n",
+ op_data->op_namelen, op_data->op_name,
+ PFID(&op_data->op_fid1), sidx);
}
+
if (tgt == NULL) {
tgt = lmv_find_target(lmv, &op_data->op_fid1);
if (IS_ERR(tgt))
op_data->op_bias |= MDS_CHECK_SPLIT;
}
- op_data->op_fsuid = current->fsuid;
- op_data->op_fsgid = current->fsgid;
+ op_data->op_fsuid = cfs_curproc_fsuid();
+ op_data->op_fsgid = cfs_curproc_fsgid();
op_data->op_cap = cfs_curproc_cap_pack();
- /*
+ /*
* If child's fid is given, cancel unused locks for it if it is from
- * another export than parent.
+ * another export than parent.
+ *
+ * LOOKUP lock for child (fid3) should also be cancelled on parent
+ * tgt_tgt in mdc_unlink().
*/
- if (op_data->op_namelen) {
- /*
- * LOOKUP lock for child (fid3) should also be cancelled on
- * parent tgt_tgt in mdc_unlink().
- */
- op_data->op_flags |= MF_MDC_CANCEL_FID1 | MF_MDC_CANCEL_FID3;
+ op_data->op_flags |= MF_MDC_CANCEL_FID1 | MF_MDC_CANCEL_FID3;
+
+ /*
+ * Cancel FULL locks on child (fid3).
+ */
+ rc = lmv_early_cancel(exp, op_data, tgt->ltd_idx, LCK_EX,
+ MDS_INODELOCK_FULL, MF_MDC_CANCEL_FID3);
- /*
- * Cancel FULL locks on child (fid3).
- */
- rc = lmv_early_cancel(exp, op_data, tgt->ltd_idx, LCK_EX,
- MDS_INODELOCK_FULL, MF_MDC_CANCEL_FID3);
- }
if (rc == 0)
rc = md_unlink(tgt->ltd_exp, op_data, request);
+
if (rc == -ERESTART) {
LASSERT(*request != NULL);
DEBUG_REQ(D_WARNING|D_RPCTRACE, *request,
static int lmv_precleanup(struct obd_device *obd, enum obd_cleanup_stage stage)
{
- int rc = 0;
+ struct lmv_obd *lmv = &obd->u.lmv;
+ int rc = 0;
switch (stage) {
case OBD_CLEANUP_EARLY:
* stack. */
break;
case OBD_CLEANUP_EXPORTS:
+ fld_client_proc_fini(&lmv->lmv_fld);
+ lprocfs_obd_cleanup(obd);
rc = obd_llog_finish(obd, 0);
if (rc != 0)
CERROR("failed to cleanup llogging subsystems\n");
RETURN(rc);
}
-static int lmv_get_info(struct obd_export *exp, __u32 keylen,
- void *key, __u32 *vallen, void *val,
+static int lmv_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 *obd;
for (i = 0, tgts = lmv->tgts; i < lmv->desc.ld_tgt_count;
i++, tgts++) {
- /*
- * All tgts should be connected when this gets called.
+ /*
+ * All tgts should be connected when this gets called.
*/
if (!tgts || !tgts->ltd_exp) {
CERROR("target not setup?\n");
continue;
}
- if (!obd_get_info(tgts->ltd_exp, keylen, key,
+ if (!obd_get_info(env, tgts->ltd_exp, keylen, key,
vallen, val, NULL))
RETURN(0);
}
if (rc)
RETURN(rc);
- /*
+ /*
* Forwarding this request to first MDS, it should know LOV
- * desc.
+ * desc.
*/
- rc = obd_get_info(lmv->tgts[0].ltd_exp, keylen, key,
+ rc = obd_get_info(env, lmv->tgts[0].ltd_exp, keylen, key,
vallen, val, NULL);
if (!rc && KEY_IS(KEY_CONN_DATA)) {
exp->exp_connect_flags =
((struct obd_connect_data *)val)->ocd_connect_flags;
}
RETURN(rc);
+ } else if (KEY_IS(KEY_TGT_COUNT)) {
+ *((int *)val) = lmv->desc.ld_tgt_count;
+ RETURN(0);
}
CDEBUG(D_IOCTL, "Invalid key\n");
RETURN(-EINVAL);
}
-int lmv_set_info_async(struct obd_export *exp, obd_count keylen,
- void *key, obd_count vallen, void *val,
- struct ptlrpc_request_set *set)
+int lmv_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 lmv_tgt_desc *tgt;
struct obd_device *obd;
}
lmv = &obd->u.lmv;
- if (KEY_IS(KEY_READ_ONLY) || KEY_IS(KEY_FLUSH_CTX) ||
- KEY_IS(KEY_INIT_RECOV_BACKUP)) {
+ if (KEY_IS(KEY_READ_ONLY) || KEY_IS(KEY_FLUSH_CTX)) {
int i, err = 0;
for (i = 0; i < lmv->desc.ld_tgt_count; i++) {
if (!tgt->ltd_exp)
continue;
- err = obd_set_info_async(tgt->ltd_exp,
+ err = obd_set_info_async(env, tgt->ltd_exp,
keylen, key, vallen, val, set);
if (err && rc == 0)
rc = err;
RETURN(mea_size);
if (*lmmp && !lsm) {
- OBD_FREE(*lmmp, mea_size);
+ OBD_FREE_LARGE(*lmmp, mea_size);
*lmmp = NULL;
RETURN(0);
}
if (*lmmp == NULL) {
- OBD_ALLOC(*lmmp, mea_size);
+ OBD_ALLOC_LARGE(*lmmp, mea_size);
if (*lmmp == NULL)
RETURN(-ENOMEM);
}
return mea_size;
if (*lsmp != NULL && lmm == NULL) {
- OBD_FREE(*tmea, mea_size);
+ OBD_FREE_LARGE(*tmea, mea_size);
*lsmp = NULL;
RETURN(0);
}
LASSERT(mea_size == lmm_size);
- OBD_ALLOC(*tmea, mea_size);
+ OBD_ALLOC_LARGE(*tmea, mea_size);
if (*tmea == NULL)
RETURN(-ENOMEM);
{
magic = le32_to_cpu(mea->mea_magic);
} else {
- /*
- * Old mea is not handled here.
+ /*
+ * Old mea is not handled here.
*/
CERROR("Old not supportable EA is found\n");
LBUG();
}
static int lmv_cancel_unused(struct obd_export *exp, const struct lu_fid *fid,
- ldlm_policy_data_t *policy, ldlm_mode_t mode,
- int flags, void *opaque)
+ ldlm_policy_data_t *policy, ldlm_mode_t mode,
+ ldlm_cancel_flags_t flags, void *opaque)
{
struct obd_device *obd = exp->exp_obd;
struct lmv_obd *lmv = &obd->u.lmv;
RETURN(rc);
}
-int lmv_set_lock_data(struct obd_export *exp, __u64 *lockh, void *data)
+int lmv_set_lock_data(struct obd_export *exp, __u64 *lockh, void *data,
+ __u64 *bits)
{
struct obd_device *obd = exp->exp_obd;
struct lmv_obd *lmv = &obd->u.lmv;
int rc;
ENTRY;
- rc = md_set_lock_data(lmv->tgts[0].ltd_exp, lockh, data);
+
+ rc = md_set_lock_data(lmv->tgts[0].ltd_exp, lockh, data, bits);
RETURN(rc);
}
CDEBUG(D_INODE, "Lock match for "DFID"\n", PFID(fid));
- /*
+ /*
* With CMD every object can have two locks in different namespaces:
* lookup lock in space of mds storing direntry and update/open lock in
* space of mds storing inode. Thus we check all targets, not only that
- * one fid was created in.
+ * one fid was created in.
*/
for (i = 0; i < lmv->desc.ld_tgt_count; i++) {
rc = md_lock_match(lmv->tgts[i].ltd_exp, flags, fid,
RETURN(rc);
}
+int lmv_unpack_capa(struct obd_export *exp, struct ptlrpc_request *req,
+ const struct req_msg_field *field, struct obd_capa **oc)
+{
+ struct obd_device *obd = exp->exp_obd;
+ struct lmv_obd *lmv = &obd->u.lmv;
+ int rc;
+
+ ENTRY;
+ rc = md_unpack_capa(lmv->tgts[0].ltd_exp, req, field, oc);
+ RETURN(rc);
+}
+
int lmv_intent_getattr_async(struct obd_export *exp,
struct md_enqueue_info *minfo,
struct ldlm_enqueue_info *einfo)
struct obd_device *obd = exp->exp_obd;
struct lmv_obd *lmv = &obd->u.lmv;
struct lmv_object *obj;
- struct lmv_tgt_desc *tgt;
+ struct lmv_tgt_desc *tgt = NULL;
int rc;
int sidx;
ENTRY;
if (rc)
RETURN(rc);
- if (!fid_is_sane(&op_data->op_fid2)) {
+ if (op_data->op_namelen) {
obj = lmv_object_find(obd, &op_data->op_fid1);
- if (obj && op_data->op_namelen) {
- sidx = raw_name2idx(obj->lo_hashtype,
- obj->lo_objcount,
+ if (obj) {
+ sidx = raw_name2idx(obj->lo_hashtype, obj->lo_objcount,
(char *)op_data->op_name,
op_data->op_namelen);
op_data->op_fid1 = obj->lo_stripes[sidx].ls_fid;
- tgt = lmv_get_target(lmv,
- obj->lo_stripes[sidx].ls_mds);
- CDEBUG(D_INODE,
- "Choose slave dir ("DFID") -> mds #%d\n",
- PFID(&op_data->op_fid1), tgt->ltd_idx);
- } else {
- tgt = lmv_find_target(lmv, &op_data->op_fid1);
- }
- if (obj)
+ tgt = lmv_get_target(lmv, obj->lo_stripes[sidx].ls_mds);
lmv_object_put(obj);
- } else {
- op_data->op_fid1 = op_data->op_fid2;
- tgt = lmv_find_target(lmv, &op_data->op_fid2);
- op_data->op_bias = MDS_CROSS_REF;
- /*
- * Unfortunately, we have to lie to MDC/MDS to retrieve
- * attributes llite needs.
- */
- if (minfo->mi_it.it_op & IT_LOOKUP)
- minfo->mi_it.it_op = IT_GETATTR;
+ }
}
-
+
+ if (tgt == NULL)
+ tgt = lmv_find_target(lmv, &op_data->op_fid1);
+
if (IS_ERR(tgt))
RETURN(PTR_ERR(tgt));
RETURN(rc);
}
-int lmv_revalidate_lock(struct obd_export *exp,
- struct lookup_intent *it,
- struct lu_fid *fid)
+int lmv_revalidate_lock(struct obd_export *exp, struct lookup_intent *it,
+ struct lu_fid *fid, __u64 *bits)
{
struct obd_device *obd = exp->exp_obd;
struct lmv_obd *lmv = &obd->u.lmv;
if (IS_ERR(tgt))
RETURN(PTR_ERR(tgt));
- rc = md_revalidate_lock(tgt->ltd_exp, it, fid);
+ rc = md_revalidate_lock(tgt->ltd_exp, it, fid, bits);
+ RETURN(rc);
+}
+
+/**
+ * For lmv, only need to send request to master MDT, and the master MDT will
+ * process with other slave MDTs. The only exception is Q_GETOQUOTA for which
+ * we directly fetch data from the slave MDTs.
+ */
+int lmv_quotactl(struct obd_device *unused, struct obd_export *exp,
+ struct obd_quotactl *oqctl)
+{
+ struct obd_device *obd = class_exp2obd(exp);
+ struct lmv_obd *lmv = &obd->u.lmv;
+ struct lmv_tgt_desc *tgt = &lmv->tgts[0];
+ int rc = 0, i;
+ __u64 curspace, curinodes;
+ ENTRY;
+
+ if (!lmv->desc.ld_tgt_count || !tgt->ltd_active) {
+ CERROR("master lmv inactive\n");
+ RETURN(-EIO);
+ }
+
+ if (oqctl->qc_cmd != Q_GETOQUOTA) {
+ rc = obd_quotactl(tgt->ltd_exp, oqctl);
+ RETURN(rc);
+ }
+
+ curspace = curinodes = 0;
+ for (i = 0; i < lmv->desc.ld_tgt_count; i++) {
+ int err;
+ tgt = &lmv->tgts[i];
+
+ if (tgt->ltd_exp == NULL)
+ continue;
+ if (!tgt->ltd_active) {
+ CDEBUG(D_HA, "mdt %d is inactive.\n", i);
+ continue;
+ }
+
+ err = obd_quotactl(tgt->ltd_exp, oqctl);
+ if (err) {
+ CERROR("getquota on mdt %d failed. %d\n", i, err);
+ if (!rc)
+ rc = err;
+ } else {
+ curspace += oqctl->qc_dqblk.dqb_curspace;
+ curinodes += oqctl->qc_dqblk.dqb_curinodes;
+ }
+ }
+ oqctl->qc_dqblk.dqb_curspace = curspace;
+ oqctl->qc_dqblk.dqb_curinodes = curinodes;
+
RETURN(rc);
}
+int lmv_quotacheck(struct obd_device *unused, struct obd_export *exp,
+ struct obd_quotactl *oqctl)
+{
+ struct obd_device *obd = class_exp2obd(exp);
+ struct lmv_obd *lmv = &obd->u.lmv;
+ struct lmv_tgt_desc *tgt;
+ int i, rc = 0;
+ ENTRY;
+
+ for (i = 0, tgt = lmv->tgts; i < lmv->desc.ld_tgt_count; i++, tgt++) {
+ int err;
+
+ if (!tgt->ltd_active) {
+ CERROR("lmv idx %d inactive\n", i);
+ RETURN(-EIO);
+ }
+
+ err = obd_quotacheck(tgt->ltd_exp, oqctl);
+ if (err && !rc)
+ rc = err;
+ }
+
+ RETURN(rc);
+}
struct obd_ops lmv_obd_ops = {
.o_owner = THIS_MODULE,
.o_notify = lmv_notify,
.o_get_uuid = lmv_get_uuid,
.o_iocontrol = lmv_iocontrol,
- .o_fid_delete = lmv_fid_delete
+ .o_fid_delete = lmv_fid_delete,
+ .o_quotacheck = lmv_quotacheck,
+ .o_quotactl = lmv_quotactl
};
struct md_ops lmv_md_ops = {
.m_getstatus = lmv_getstatus,
.m_change_cbdata = lmv_change_cbdata,
+ .m_find_cbdata = lmv_find_cbdata,
.m_close = lmv_close,
.m_create = lmv_create,
.m_done_writing = lmv_done_writing,
.m_set_open_replay_data = lmv_set_open_replay_data,
.m_clear_open_replay_data = lmv_clear_open_replay_data,
.m_renew_capa = lmv_renew_capa,
+ .m_unpack_capa = lmv_unpack_capa,
.m_get_remote_perm = lmv_get_remote_perm,
.m_intent_getattr_async = lmv_intent_getattr_async,
.m_revalidate_lock = lmv_revalidate_lock
}
lprocfs_lmv_init_vars(&lvars);
+
rc = class_register_type(&lmv_obd_ops, &lmv_md_ops,
lvars.module_vars, LUSTRE_LMV_NAME, NULL);
if (rc)
{
class_unregister_type(LUSTRE_LMV_NAME);
- LASSERTF(atomic_read(&lmv_object_count) == 0,
+ LASSERTF(cfs_atomic_read(&lmv_object_count) == 0,
"Can't free lmv objects cache, %d object(s) busy\n",
- atomic_read(&lmv_object_count));
+ cfs_atomic_read(&lmv_object_count));
cfs_mem_cache_destroy(lmv_object_cache);
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff