/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * linux/mdt/mdt_recovery.c
- * Lustre Metadata Target (mdt) recovery-related methods
+ * GPL HEADER START
*
- * Copyright (C) 2002-2006 Cluster File Systems, Inc.
- * Author: Huang Hua <huanghua@clusterfs.com>
- * Author: Pershin Mike <tappro@clusterfs.com>
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * This file is part of the Lustre file system, http://www.lustre.org
- * Lustre is a trademark of Cluster File Systems, Inc.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
*
- * You may have signed or agreed to another license before downloading
- * this software. If so, you are bound by the terms and conditions
- * of that agreement, and the following does not apply to you. See the
- * LICENSE file included with this distribution for more information.
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
*
- * If you did not agree to a different license, then this copy of Lustre
- * is open source software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
*
- * In either case, Lustre is distributed in the hope that it will be
- * useful, but WITHOUT ANY WARRANTY; without even the implied warranty
- * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * license text for more details.
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ *
+ * lustre/mdt/mdt_recovery.c
+ *
+ * Lustre Metadata Target (mdt) recovery-related methods
+ *
+ * Author: Huang Hua <huanghua@clusterfs.com>
+ * Author: Pershin Mike <tappro@clusterfs.com>
*/
+
#ifndef EXPORT_SYMTAB
# define EXPORT_SYMTAB
#endif
#include "mdt_internal.h"
static int mdt_server_data_update(const struct lu_env *env,
- struct mdt_device *mdt);
+ struct mdt_device *mdt,
+ int need_sync);
struct lu_buf *mdt_buf(const struct lu_env *env, void *area, ssize_t len)
{
return buf;
}
-int mdt_record_read(const struct lu_env *env,
- struct dt_object *dt, struct lu_buf *buf, loff_t *pos)
+static inline int mdt_trans_credit_get(const struct lu_env *env,
+ struct mdt_device *mdt,
+ enum mdt_txn_op op)
{
- int rc;
-
- LASSERTF(dt != NULL, "dt is NULL when we want to read record\n");
-
- rc = dt->do_body_ops->dbo_read(env, dt, buf, pos, BYPASS_CAPA);
-
- if (rc == buf->lb_len)
- rc = 0;
- else if (rc >= 0)
- rc = -EFAULT;
- return rc;
+ struct dt_device *dev = mdt->mdt_bottom;
+ int cr;
+ switch (op) {
+ case MDT_TXN_CAPA_KEYS_WRITE_OP:
+ case MDT_TXN_LAST_RCVD_WRITE_OP:
+ cr = dev->dd_ops->dt_credit_get(env,
+ dev,
+ DTO_WRITE_BLOCK);
+ break;
+ default:
+ LBUG();
+ }
+ return cr;
}
-int mdt_record_write(const struct lu_env *env,
- struct dt_object *dt, const struct lu_buf *buf,
- loff_t *pos, struct thandle *th)
+void mdt_trans_credit_init(const struct lu_env *env,
+ struct mdt_device *mdt,
+ enum mdt_txn_op op)
{
- int rc;
+ struct mdt_thread_info *mti;
+ struct txn_param *p;
+ int cr;
- LASSERTF(dt != NULL, "dt is NULL when we want to write record\n");
- LASSERT(th != NULL);
- rc = dt->do_body_ops->dbo_write(env, dt, buf, pos, th, BYPASS_CAPA);
- if (rc == buf->lb_len)
- rc = 0;
- else if (rc >= 0)
- rc = -EFAULT;
- return rc;
-}
-/* only one record write */
+ mti = lu_context_key_get(&env->le_ctx, &mdt_thread_key);
+ p = &mti->mti_txn_param;
-enum {
- MDT_TXN_LAST_RCVD_WRITE_CREDITS = 3
-};
+ cr = mdt_trans_credit_get(env, mdt, op);
+ txn_param_init(p, cr);
+}
struct thandle* mdt_trans_start(const struct lu_env *env,
- struct mdt_device *mdt, int credits)
+ struct mdt_device *mdt)
{
struct mdt_thread_info *mti;
struct txn_param *p;
mti = lu_context_key_get(&env->le_ctx, &mdt_thread_key);
p = &mti->mti_txn_param;
- txn_param_init(p, credits);
/* export can require sync operations */
if (mti->mti_exp != NULL)
mdt->mdt_bottom->dd_ops->dt_trans_stop(env, th);
}
-/* last_rcvd handling */
-static inline void msd_le_to_cpu(struct mdt_server_data *buf,
- struct mdt_server_data *msd)
-{
- memcpy(msd->msd_uuid, buf->msd_uuid, sizeof (msd->msd_uuid));
- msd->msd_last_transno = le64_to_cpu(buf->msd_last_transno);
- msd->msd_mount_count = le64_to_cpu(buf->msd_mount_count);
- msd->msd_feature_compat = le32_to_cpu(buf->msd_feature_compat);
- msd->msd_feature_rocompat = le32_to_cpu(buf->msd_feature_rocompat);
- msd->msd_feature_incompat = le32_to_cpu(buf->msd_feature_incompat);
- msd->msd_server_size = le32_to_cpu(buf->msd_server_size);
- msd->msd_client_start = le32_to_cpu(buf->msd_client_start);
- msd->msd_client_size = le16_to_cpu(buf->msd_client_size);
-}
-
-static inline void msd_cpu_to_le(struct mdt_server_data *msd,
- struct mdt_server_data *buf)
-{
- memcpy(buf->msd_uuid, msd->msd_uuid, sizeof (msd->msd_uuid));
- buf->msd_last_transno = cpu_to_le64(msd->msd_last_transno);
- buf->msd_mount_count = cpu_to_le64(msd->msd_mount_count);
- buf->msd_feature_compat = cpu_to_le32(msd->msd_feature_compat);
- buf->msd_feature_rocompat = cpu_to_le32(msd->msd_feature_rocompat);
- buf->msd_feature_incompat = cpu_to_le32(msd->msd_feature_incompat);
- buf->msd_server_size = cpu_to_le32(msd->msd_server_size);
- buf->msd_client_start = cpu_to_le32(msd->msd_client_start);
- buf->msd_client_size = cpu_to_le16(msd->msd_client_size);
-}
-
-static inline void mcd_le_to_cpu(struct mdt_client_data *buf,
- struct mdt_client_data *mcd)
-{
- memcpy(mcd->mcd_uuid, buf->mcd_uuid, sizeof (mcd->mcd_uuid));
- mcd->mcd_last_transno = le64_to_cpu(buf->mcd_last_transno);
- mcd->mcd_last_xid = le64_to_cpu(buf->mcd_last_xid);
- mcd->mcd_last_result = le32_to_cpu(buf->mcd_last_result);
- mcd->mcd_last_data = le32_to_cpu(buf->mcd_last_data);
- mcd->mcd_last_close_transno = le64_to_cpu(buf->mcd_last_close_transno);
- mcd->mcd_last_close_xid = le64_to_cpu(buf->mcd_last_close_xid);
- mcd->mcd_last_close_result = le32_to_cpu(buf->mcd_last_close_result);
-}
-
-static inline void mcd_cpu_to_le(struct mdt_client_data *mcd,
- struct mdt_client_data *buf)
-{
- memcpy(buf->mcd_uuid, mcd->mcd_uuid, sizeof (mcd->mcd_uuid));
- buf->mcd_last_transno = cpu_to_le64(mcd->mcd_last_transno);
- buf->mcd_last_xid = cpu_to_le64(mcd->mcd_last_xid);
- buf->mcd_last_result = cpu_to_le32(mcd->mcd_last_result);
- buf->mcd_last_data = cpu_to_le32(mcd->mcd_last_data);
- buf->mcd_last_close_transno = cpu_to_le64(mcd->mcd_last_close_transno);
- buf->mcd_last_close_xid = cpu_to_le64(mcd->mcd_last_close_xid);
- buf->mcd_last_close_result = cpu_to_le32(mcd->mcd_last_close_result);
-}
-
static inline int mdt_last_rcvd_header_read(const struct lu_env *env,
struct mdt_device *mdt)
{
mti = lu_context_key_get(&env->le_ctx, &mdt_thread_key);
mti->mti_off = 0;
- rc = mdt_record_read(env, mdt->mdt_last_rcvd,
- mdt_buf(env, &mti->mti_msd, sizeof(mti->mti_msd)),
- &mti->mti_off);
+ rc = dt_record_read(env, mdt->mdt_last_rcvd,
+ mdt_buf(env, &mti->mti_lsd, sizeof(mti->mti_lsd)),
+ &mti->mti_off);
if (rc == 0)
- msd_le_to_cpu(&mti->mti_msd, &mdt->mdt_msd);
+ lsd_le_to_cpu(&mti->mti_lsd, &mdt->mdt_lsd);
CDEBUG(D_INFO, "read last_rcvd header rc = %d:\n"
"uuid = %s\n"
"last_transno = "LPU64"\n",
- rc, mdt->mdt_msd.msd_uuid,
- mdt->mdt_msd.msd_last_transno);
+ rc, mdt->mdt_lsd.lsd_uuid,
+ mdt->mdt_lsd.lsd_last_transno);
return rc;
}
static inline int mdt_last_rcvd_header_write(const struct lu_env *env,
- struct mdt_device *mdt)
+ struct mdt_device *mdt,
+ int need_sync)
{
struct mdt_thread_info *mti;
struct thandle *th;
mti = lu_context_key_get(&env->le_ctx, &mdt_thread_key);
- th = mdt_trans_start(env, mdt, MDT_TXN_LAST_RCVD_WRITE_CREDITS);
+ if (mti->mti_exp) {
+ spin_lock(&mti->mti_exp->exp_lock);
+ mti->mti_exp->exp_need_sync = need_sync;
+ spin_unlock(&mti->mti_exp->exp_lock);
+ }
+ mdt_trans_credit_init(env, mdt, MDT_TXN_LAST_RCVD_WRITE_OP);
+ th = mdt_trans_start(env, mdt);
if (IS_ERR(th))
RETURN(PTR_ERR(th));
- mti->mti_off = 0;
- msd_cpu_to_le(&mdt->mdt_msd, &mti->mti_msd);
+ mti->mti_off = 0;
+ lsd_cpu_to_le(&mdt->mdt_lsd, &mti->mti_lsd);
+
+ if (need_sync && mti->mti_exp)
+ mdt_trans_add_cb(th, lut_cb_client, mti->mti_exp);
- rc = mdt_record_write(env, mdt->mdt_last_rcvd,
- mdt_buf_const(env, &mti->mti_msd, sizeof(mti->mti_msd)),
- &mti->mti_off, th);
+ rc = dt_record_write(env, mdt->mdt_last_rcvd,
+ mdt_buf_const(env, &mti->mti_lsd,
+ sizeof(mti->mti_lsd)),
+ &mti->mti_off, th);
mdt_trans_stop(env, mdt, th);
CDEBUG(D_INFO, "write last_rcvd header rc = %d:\n"
"uuid = %s\nlast_transno = "LPU64"\n",
- rc, mdt->mdt_msd.msd_uuid, mdt->mdt_msd.msd_last_transno);
-
+ rc, mdt->mdt_lsd.lsd_uuid, mdt->mdt_lsd.lsd_last_transno);
+
RETURN(rc);
}
static int mdt_last_rcvd_read(const struct lu_env *env,
struct mdt_device *mdt,
- struct mdt_client_data *mcd, loff_t *off)
+ struct lsd_client_data *lcd, loff_t *off)
{
struct mdt_thread_info *mti;
- struct mdt_client_data *tmp;
+ struct lsd_client_data *tmp;
int rc;
mti = lu_context_key_get(&env->le_ctx, &mdt_thread_key);
- tmp = &mti->mti_mcd;
- rc = mdt_record_read(env, mdt->mdt_last_rcvd,
- mdt_buf(env, tmp, sizeof(*tmp)), off);
+ tmp = &mti->mti_lcd;
+ rc = dt_record_read(env, mdt->mdt_last_rcvd,
+ mdt_buf(env, tmp, sizeof(*tmp)), off);
if (rc == 0)
- mcd_le_to_cpu(tmp, mcd);
+ lcd_le_to_cpu(tmp, lcd);
- CDEBUG(D_INFO, "read mcd @%d rc = %d:\n"
+ CDEBUG(D_INFO, "read lcd @%d rc = %d:\n"
"uuid = %s\n"
"last_transno = "LPU64"\n"
"last_xid = "LPU64"\n"
- "last_result = %d\n"
- "last_data = %d\n"
+ "last_result = %u\n"
+ "last_data = %u\n"
"last_close_transno = "LPU64"\n"
"last_close_xid = "LPU64"\n"
- "last_close_result = %d\n",
- (int)*off - sizeof(*tmp),
+ "last_close_result = %u\n",
+ (int)(*off - sizeof(*tmp)),
rc,
- mcd->mcd_uuid,
- mcd->mcd_last_transno,
- mcd->mcd_last_xid,
- mcd->mcd_last_result,
- mcd->mcd_last_data,
- mcd->mcd_last_close_transno,
- mcd->mcd_last_close_xid,
- mcd->mcd_last_close_result);
+ lcd->lcd_uuid,
+ lcd->lcd_last_transno,
+ lcd->lcd_last_xid,
+ lcd->lcd_last_result,
+ lcd->lcd_last_data,
+ lcd->lcd_last_close_transno,
+ lcd->lcd_last_close_xid,
+ lcd->lcd_last_close_result);
return rc;
}
static int mdt_last_rcvd_write(const struct lu_env *env,
struct mdt_device *mdt,
- struct mdt_client_data *mcd,
+ struct lsd_client_data *lcd,
loff_t *off, struct thandle *th)
{
struct mdt_thread_info *mti;
- struct mdt_client_data *tmp;
+ struct lsd_client_data *tmp;
int rc;
LASSERT(th != NULL);
mti = lu_context_key_get(&env->le_ctx, &mdt_thread_key);
- tmp = &mti->mti_mcd;
+ tmp = &mti->mti_lcd;
- mcd_cpu_to_le(mcd, tmp);
+ lcd_cpu_to_le(lcd, tmp);
- rc = mdt_record_write(env, mdt->mdt_last_rcvd,
- mdt_buf_const(env, tmp, sizeof(*tmp)), off, th);
+ rc = dt_record_write(env, mdt->mdt_last_rcvd,
+ mdt_buf_const(env, tmp, sizeof(*tmp)), off, th);
- CDEBUG(D_INFO, "write mcd @%d rc = %d:\n"
+ CDEBUG(D_INFO, "write lcd @%d rc = %d:\n"
"uuid = %s\n"
"last_transno = "LPU64"\n"
"last_xid = "LPU64"\n"
- "last_result = %d\n"
- "last_data = %d\n"
+ "last_result = %u\n"
+ "last_data = %u\n"
"last_close_transno = "LPU64"\n"
"last_close_xid = "LPU64"\n"
- "last_close_result = %d\n",
- (int)*off - sizeof(*tmp),
+ "last_close_result = %u\n",
+ (int)(*off - sizeof(*tmp)),
rc,
- mcd->mcd_uuid,
- mcd->mcd_last_transno,
- mcd->mcd_last_xid,
- mcd->mcd_last_result,
- mcd->mcd_last_data,
- mcd->mcd_last_close_transno,
- mcd->mcd_last_close_xid,
- mcd->mcd_last_close_result);
+ lcd->lcd_uuid,
+ lcd->lcd_last_transno,
+ lcd->lcd_last_xid,
+ lcd->lcd_last_result,
+ lcd->lcd_last_data,
+ lcd->lcd_last_close_transno,
+ lcd->lcd_last_close_xid,
+ lcd->lcd_last_close_result);
return rc;
}
-
static int mdt_clients_data_init(const struct lu_env *env,
struct mdt_device *mdt,
unsigned long last_size)
{
- struct mdt_server_data *msd = &mdt->mdt_msd;
- struct mdt_client_data *mcd = NULL;
- struct obd_device *obd = mdt->mdt_md_dev.md_lu_dev.ld_obd;
+ struct lr_server_data *lsd = &mdt->mdt_lsd;
+ struct lsd_client_data *lcd = NULL;
+ struct obd_device *obd = mdt2obd_dev(mdt);
loff_t off;
int cl_idx;
int rc = 0;
* the header. If we find clients with higher last_transno values
* then those clients may need recovery done. */
LASSERT(atomic_read(&obd->obd_req_replay_clients) == 0);
- for (cl_idx = 0, off = msd->msd_client_start;
+ for (cl_idx = 0, off = lsd->lsd_client_start;
off < last_size; cl_idx++) {
__u64 last_transno;
struct obd_export *exp;
- if (!mcd) {
- OBD_ALLOC_PTR(mcd);
- if (!mcd)
+ if (!lcd) {
+ OBD_ALLOC_PTR(lcd);
+ if (!lcd)
RETURN(-ENOMEM);
}
- off = msd->msd_client_start +
- cl_idx * msd->msd_client_size;
+ off = lsd->lsd_client_start +
+ cl_idx * lsd->lsd_client_size;
- rc = mdt_last_rcvd_read(env, mdt, mcd, &off);
+ rc = mdt_last_rcvd_read(env, mdt, lcd, &off);
if (rc) {
CERROR("error reading MDS %s idx %d, off %llu: rc %d\n",
LAST_RCVD, cl_idx, off, rc);
break; /* read error shouldn't cause startup to fail */
}
- if (mcd->mcd_uuid[0] == '\0') {
+ if (lcd->lcd_uuid[0] == '\0') {
CDEBUG(D_INFO, "skipping zeroed client at offset %d\n",
cl_idx);
continue;
}
- last_transno = mcd_last_transno(mcd);
+ last_transno = lcd_last_transno(lcd);
/* These exports are cleaned up by mdt_obd_disconnect(), so
* they need to be set up like real exports as
* mdt_obd_connect() does.
*/
CDEBUG(D_HA, "RCVRNG CLIENT uuid: %s idx: %d lr: "LPU64
- " srv lr: "LPU64" lx: "LPU64"\n", mcd->mcd_uuid, cl_idx,
- last_transno, msd->msd_last_transno,
- mcd_last_xid(mcd));
+ " srv lr: "LPU64" lx: "LPU64"\n", lcd->lcd_uuid, cl_idx,
+ last_transno, lsd->lsd_last_transno,
+ lcd_last_xid(lcd));
- exp = class_new_export(obd, (struct obd_uuid *)mcd->mcd_uuid);
+ exp = class_new_export(obd, (struct obd_uuid *)lcd->lcd_uuid);
if (IS_ERR(exp)) {
if (PTR_ERR(exp) == -EALREADY) {
/* export already exists, zero out this one */
- mcd->mcd_uuid[0] = '\0';
+ lcd->lcd_uuid[0] = '\0';
} else
GOTO(err_client, rc = PTR_ERR(exp));
} else {
- struct mdt_thread_info *mti;
+ struct mdt_thread_info *mti;
mti = lu_context_key_get(&env->le_ctx, &mdt_thread_key);
LASSERT(mti != NULL);
mti->mti_exp = exp;
- exp->exp_mdt_data.med_mcd = mcd;
+ exp->exp_mdt_data.med_lcd = lcd;
rc = mdt_client_add(env, mdt, cl_idx);
/* can't fail existing */
- LASSERTF(rc == 0, "rc = %d\n", rc);
- mcd = NULL;
+ LASSERTF(rc == 0, "rc = %d\n", rc);
+ /* VBR: set export last committed version */
+ exp->exp_last_committed = last_transno;
+ lcd = NULL;
spin_lock(&exp->exp_lock);
exp->exp_connecting = 0;
exp->exp_in_recovery = 0;
}
err_client:
- if (mcd)
- OBD_FREE_PTR(mcd);
+ if (lcd)
+ OBD_FREE_PTR(lcd);
RETURN(rc);
}
static int mdt_server_data_init(const struct lu_env *env,
- struct mdt_device *mdt)
+ struct mdt_device *mdt,
+ struct lustre_sb_info *lsi)
{
- struct mdt_server_data *msd = &mdt->mdt_msd;
- struct mdt_client_data *mcd = NULL;
- struct obd_device *obd = mdt->mdt_md_dev.md_lu_dev.ld_obd;
+ struct lr_server_data *lsd = &mdt->mdt_lsd;
+ struct lsd_client_data *lcd = NULL;
+ struct obd_device *obd = mdt2obd_dev(mdt);
struct mdt_thread_info *mti;
struct dt_object *obj;
struct lu_attr *la;
+ struct lustre_disk_data *ldd;
unsigned long last_rcvd_size;
__u64 mount_count;
int rc;
ENTRY;
/* ensure padding in the struct is the correct size */
- CLASSERT(offsetof(struct mdt_server_data, msd_padding) +
- sizeof(msd->msd_padding) == LR_SERVER_SIZE);
- CLASSERT(offsetof(struct mdt_client_data, mcd_padding) +
- sizeof(mcd->mcd_padding) == LR_CLIENT_SIZE);
+ CLASSERT(offsetof(struct lr_server_data, lsd_padding) +
+ sizeof(lsd->lsd_padding) == LR_SERVER_SIZE);
+ CLASSERT(offsetof(struct lsd_client_data, lcd_padding) +
+ sizeof(lcd->lcd_padding) == LR_CLIENT_SIZE);
mti = lu_context_key_get(&env->le_ctx, &mdt_thread_key);
LASSERT(mti != NULL);
if (last_rcvd_size == 0) {
LCONSOLE_WARN("%s: new disk, initializing\n", obd->obd_name);
- memcpy(msd->msd_uuid, obd->obd_uuid.uuid,
- sizeof(msd->msd_uuid));
- msd->msd_last_transno = 0;
- msd->msd_mount_count = 0;
- msd->msd_server_size = LR_SERVER_SIZE;
- msd->msd_client_start = LR_CLIENT_START;
- msd->msd_client_size = LR_CLIENT_SIZE;
- msd->msd_feature_rocompat = OBD_ROCOMPAT_LOVOBJID;
- msd->msd_feature_incompat = OBD_INCOMPAT_MDT |
+ memcpy(lsd->lsd_uuid, obd->obd_uuid.uuid,
+ sizeof(lsd->lsd_uuid));
+ lsd->lsd_last_transno = 0;
+ lsd->lsd_mount_count = 0;
+ lsd->lsd_server_size = LR_SERVER_SIZE;
+ lsd->lsd_client_start = LR_CLIENT_START;
+ lsd->lsd_client_size = LR_CLIENT_SIZE;
+ lsd->lsd_feature_rocompat = OBD_ROCOMPAT_LOVOBJID;
+ lsd->lsd_feature_incompat = OBD_INCOMPAT_MDT |
OBD_INCOMPAT_COMMON_LR;
} else {
LCONSOLE_WARN("%s: used disk, loading\n", obd->obd_name);
CERROR("error reading MDS %s: rc %d\n", LAST_RCVD, rc);
GOTO(out, rc);
}
- if (strcmp(msd->msd_uuid, obd->obd_uuid.uuid) != 0) {
+ if (strcmp(lsd->lsd_uuid, obd->obd_uuid.uuid) != 0) {
LCONSOLE_ERROR_MSG(0x157, "Trying to start OBD %s using"
"the wrong disk %s. Were the /dev/ "
"assignments rearranged?\n",
- obd->obd_uuid.uuid, msd->msd_uuid);
+ obd->obd_uuid.uuid, lsd->lsd_uuid);
GOTO(out, rc = -EINVAL);
}
+
+ /** evict all clients as it is first boot with old last_rcvd */
+ if (!(lsd->lsd_feature_incompat & OBD_INCOMPAT_20)) {
+ LCONSOLE_WARN("Mounting %s at first time on old FS, "
+ "remove all clients for interop needs\n",
+ obd->obd_name);
+ simple_truncate(lsi->lsi_srv_mnt->mnt_sb->s_root,
+ lsi->lsi_srv_mnt, LAST_RCVD,
+ lsd->lsd_client_start);
+ last_rcvd_size = lsd->lsd_client_start;
+ }
}
- mount_count = msd->msd_mount_count;
+ mount_count = lsd->lsd_mount_count;
+
+ ldd = lsi->lsi_ldd;
- msd->msd_feature_compat = OBD_COMPAT_MDT;
+ if (ldd->ldd_flags & LDD_F_IAM_DIR)
+ lsd->lsd_feature_incompat |= OBD_INCOMPAT_IAM_DIR;
+
+ lsd->lsd_feature_compat = 0;
+ lsd->lsd_feature_incompat |= OBD_INCOMPAT_FID | OBD_INCOMPAT_20;
spin_lock(&mdt->mdt_transno_lock);
- mdt->mdt_last_transno = msd->msd_last_transno;
+ mdt->mdt_last_transno = lsd->lsd_last_transno;
spin_unlock(&mdt->mdt_transno_lock);
CDEBUG(D_INODE, "========BEGIN DUMPING LAST_RCVD========\n");
CDEBUG(D_INODE, "%s: server mount_count: "LPU64"\n",
obd->obd_name, mount_count + 1);
CDEBUG(D_INODE, "%s: server data size: %u\n",
- obd->obd_name, msd->msd_server_size);
+ obd->obd_name, lsd->lsd_server_size);
CDEBUG(D_INODE, "%s: per-client data start: %u\n",
- obd->obd_name, msd->msd_client_start);
+ obd->obd_name, lsd->lsd_client_start);
CDEBUG(D_INODE, "%s: per-client data size: %u\n",
- obd->obd_name, msd->msd_client_size);
+ obd->obd_name, lsd->lsd_client_size);
CDEBUG(D_INODE, "%s: last_rcvd size: %lu\n",
obd->obd_name, last_rcvd_size);
CDEBUG(D_INODE, "%s: last_rcvd clients: %lu\n", obd->obd_name,
- last_rcvd_size <= msd->msd_client_start ? 0 :
- (last_rcvd_size - msd->msd_client_start) /
- msd->msd_client_size);
+ last_rcvd_size <= lsd->lsd_client_start ? 0 :
+ (last_rcvd_size - lsd->lsd_client_start) /
+ lsd->lsd_client_size);
CDEBUG(D_INODE, "========END DUMPING LAST_RCVD========\n");
- if (!msd->msd_server_size || !msd->msd_client_start ||
- !msd->msd_client_size) {
+ if (!lsd->lsd_server_size || !lsd->lsd_client_start ||
+ !lsd->lsd_client_size) {
CERROR("Bad last_rcvd contents!\n");
GOTO(out, rc = -EINVAL);
}
obd->obd_last_committed = mdt->mdt_last_transno;
spin_unlock(&mdt->mdt_transno_lock);
- mdt->mdt_mount_count++;
- msd->msd_mount_count = mdt->mdt_mount_count;
+ mdt->mdt_mount_count = mount_count + 1;
+ lsd->lsd_mount_count = mdt->mdt_mount_count;
/* save it, so mount count and last_transno is current */
- rc = mdt_server_data_update(env, mdt);
+ rc = mdt_server_data_update(env, mdt, (mti->mti_exp &&
+ mti->mti_exp->exp_need_sync));
if (rc)
GOTO(err_client, rc);
RETURN(0);
err_client:
- target_recovery_fini(obd);
+ class_disconnect_exports(obd);
out:
return rc;
}
static int mdt_server_data_update(const struct lu_env *env,
- struct mdt_device *mdt)
+ struct mdt_device *mdt,
+ int need_sync)
{
int rc = 0;
ENTRY;
mdt->mdt_mount_count, mdt->mdt_last_transno);
spin_lock(&mdt->mdt_transno_lock);
- mdt->mdt_msd.msd_last_transno = mdt->mdt_last_transno;
+ mdt->mdt_lsd.lsd_last_transno = mdt->mdt_last_transno;
spin_unlock(&mdt->mdt_transno_lock);
/*
* mdt->mdt_last_rcvd may be NULL that time.
*/
if (mdt->mdt_last_rcvd != NULL)
- rc = mdt_last_rcvd_header_write(env, mdt);
+ rc = mdt_last_rcvd_header_write(env, mdt, need_sync);
RETURN(rc);
}
-void mdt_cb_new_client(const struct mdt_device *mdt, __u64 transno,
- void *data, int err)
-{
- struct obd_device *obd = mdt->mdt_md_dev.md_lu_dev.ld_obd;
-
- target_client_add_cb(obd, transno, data, err);
-}
-
int mdt_client_new(const struct lu_env *env, struct mdt_device *mdt)
{
unsigned long *bitmap = mdt->mdt_client_bitmap;
struct mdt_thread_info *mti;
struct mdt_export_data *med;
- struct mdt_client_data *mcd;
- struct mdt_server_data *msd = &mdt->mdt_msd;
- struct obd_device *obd = mdt->mdt_md_dev.md_lu_dev.ld_obd;
+ struct lsd_client_data *lcd;
+ struct lr_server_data *lsd = &mdt->mdt_lsd;
+ struct obd_device *obd = mdt2obd_dev(mdt);
struct thandle *th;
loff_t off;
int rc;
LASSERT(mti != NULL);
med = &mti->mti_exp->exp_mdt_data;
- mcd = med->med_mcd;
+ lcd = med->med_lcd;
LASSERT(bitmap != NULL);
- if (!strcmp(med->med_mcd->mcd_uuid, obd->obd_uuid.uuid))
+ if (!strcmp(med->med_lcd->lcd_uuid, obd->obd_uuid.uuid))
RETURN(0);
/* the bitmap operations can handle cl_idx > sizeof(long) * 8, so
spin_unlock(&mdt->mdt_client_bitmap_lock);
CDEBUG(D_INFO, "client at idx %d with UUID '%s' added\n",
- cl_idx, med->med_mcd->mcd_uuid);
+ cl_idx, med->med_lcd->lcd_uuid);
med->med_lr_idx = cl_idx;
- med->med_lr_off = msd->msd_client_start +
- (cl_idx * msd->msd_client_size);
- init_mutex(&med->med_mcd_lock);
+ med->med_lr_off = lsd->lsd_client_start +
+ (cl_idx * lsd->lsd_client_size);
+ init_mutex(&med->med_lcd_lock);
LASSERTF(med->med_lr_off > 0, "med_lr_off = %llu\n", med->med_lr_off);
- /* write new client data */
+
+ /* Write new client data. */
off = med->med_lr_off;
- th = mdt_trans_start(env, mdt, MDT_TXN_LAST_RCVD_WRITE_CREDITS);
+ mdt_trans_credit_init(env, mdt, MDT_TXN_LAST_RCVD_WRITE_OP);
+
+ th = mdt_trans_start(env, mdt);
if (IS_ERR(th))
RETURN(PTR_ERR(th));
- /* until this operations will be committed the sync is needed for this
- * export */
- mdt_trans_add_cb(th, mdt_cb_new_client, mti->mti_exp);
+ /*
+ * Until this operations will be committed the sync is needed
+ * for this export. This should be done _after_ starting the
+ * transaction so that many connecting clients will not bring
+ * server down with lots of sync writes.
+ */
+ mdt_trans_add_cb(th, lut_cb_client, mti->mti_exp);
spin_lock(&mti->mti_exp->exp_lock);
mti->mti_exp->exp_need_sync = 1;
spin_unlock(&mti->mti_exp->exp_lock);
- rc = mdt_last_rcvd_write(env, mdt, mcd, &off, th);
- CDEBUG(D_INFO, "wrote client mcd at idx %u off %llu (len %u)\n",
- cl_idx, med->med_lr_off, sizeof(*mcd));
+ rc = mdt_last_rcvd_write(env, mdt, lcd, &off, th);
+ CDEBUG(D_INFO, "wrote client lcd at idx %u off %llu (len "LPSZ")\n",
+ cl_idx, med->med_lr_off, sizeof(*lcd));
mdt_trans_stop(env, mdt, th);
RETURN(rc);
struct mdt_thread_info *mti;
struct mdt_export_data *med;
unsigned long *bitmap = mdt->mdt_client_bitmap;
- struct obd_device *obd = mdt->mdt_md_dev.md_lu_dev.ld_obd;
- struct mdt_server_data *msd = &mdt->mdt_msd;
+ struct obd_device *obd = mdt2obd_dev(mdt);
+ struct lr_server_data *lsd = &mdt->mdt_lsd;
int rc = 0;
ENTRY;
LASSERT(bitmap != NULL);
LASSERTF(cl_idx >= 0, "%d\n", cl_idx);
- if (!strcmp(med->med_mcd->mcd_uuid, obd->obd_uuid.uuid))
+ if (!strcmp(med->med_lcd->lcd_uuid, obd->obd_uuid.uuid))
RETURN(0);
spin_lock(&mdt->mdt_client_bitmap_lock);
spin_unlock(&mdt->mdt_client_bitmap_lock);
CDEBUG(D_INFO, "client at idx %d with UUID '%s' added\n",
- cl_idx, med->med_mcd->mcd_uuid);
+ cl_idx, med->med_lcd->lcd_uuid);
med->med_lr_idx = cl_idx;
- med->med_lr_off = msd->msd_client_start +
- (cl_idx * msd->msd_client_size);
- init_mutex(&med->med_mcd_lock);
+ med->med_lr_off = lsd->lsd_client_start +
+ (cl_idx * lsd->lsd_client_size);
+ init_mutex(&med->med_lcd_lock);
LASSERTF(med->med_lr_off > 0, "med_lr_off = %llu\n", med->med_lr_off);
{
struct mdt_thread_info *mti;
struct mdt_export_data *med;
- struct mdt_client_data *mcd;
- struct obd_device *obd = mdt->mdt_md_dev.md_lu_dev.ld_obd;
- struct thandle *th;
- loff_t off;
- int rc = 0;
+ struct lsd_client_data *lcd;
+ struct obd_device *obd = mdt2obd_dev(mdt);
+ struct obd_export *exp;
+ struct thandle *th;
+ int need_sync;
+ loff_t off;
+ int rc = 0;
ENTRY;
mti = lu_context_key_get(&env->le_ctx, &mdt_thread_key);
LASSERT(mti != NULL);
- med = &mti->mti_exp->exp_mdt_data;
- mcd = med->med_mcd;
- if (!mcd)
+ exp = mti->mti_exp;
+ med = &exp->exp_mdt_data;
+ lcd = med->med_lcd;
+ if (!lcd)
RETURN(0);
- /* XXX: If mcd_uuid were a real obd_uuid, I could use obd_uuid_equals */
- if (!strcmp(med->med_mcd->mcd_uuid, obd->obd_uuid.uuid))
+ /* XXX: If lcd_uuid were a real obd_uuid, I could use obd_uuid_equals */
+ if (!strcmp(lcd->lcd_uuid, obd->obd_uuid.uuid))
GOTO(free, 0);
CDEBUG(D_INFO, "freeing client at idx %u, offset %lld\n",
LBUG();
}
+ /* Don't force sync on disconnect if aborting recovery,
+ * or it does num_clients * num_osts. b=17194 */
+ need_sync = (!exp->exp_libclient || exp->exp_need_sync) &&
+ !(exp->exp_flags & OBD_OPT_ABORT_RECOV);
+
/*
* This may be called from difficult reply handler path and
* mdt->mdt_last_rcvd may be NULL that time.
*/
if (mdt->mdt_last_rcvd != NULL) {
- th = mdt_trans_start(env, mdt, MDT_TXN_LAST_RCVD_WRITE_CREDITS);
+ mdt_trans_credit_init(env, mdt, MDT_TXN_LAST_RCVD_WRITE_OP);
+
+ spin_lock(&exp->exp_lock);
+ exp->exp_need_sync = need_sync;
+ spin_unlock(&exp->exp_lock);
+
+ th = mdt_trans_start(env, mdt);
if (IS_ERR(th))
GOTO(free, rc = PTR_ERR(th));
- mutex_down(&med->med_mcd_lock);
- memset(mcd, 0, sizeof *mcd);
+ if (need_sync) {
+ /*
+ * Until this operations will be committed the sync
+ * is needed for this export.
+ */
+ mdt_trans_add_cb(th, lut_cb_client, exp);
+ }
+
+ mutex_down(&med->med_lcd_lock);
+ memset(lcd, 0, sizeof *lcd);
- rc = mdt_last_rcvd_write(env, mdt, mcd, &off, th);
- mutex_up(&med->med_mcd_lock);
+ rc = mdt_last_rcvd_write(env, mdt, lcd, &off, th);
+ mutex_up(&med->med_lcd_lock);
mdt_trans_stop(env, mdt, th);
}
CDEBUG(rc == 0 ? D_INFO : D_ERROR, "Zeroing out client idx %u in "
- "%s rc %d\n", med->med_lr_idx, LAST_RCVD, rc);
+ "%s %ssync rc %d\n", med->med_lr_idx, LAST_RCVD,
+ need_sync ? "" : "a", rc);
spin_lock(&mdt->mdt_client_bitmap_lock);
clear_bit(med->med_lr_idx, mdt->mdt_client_bitmap);
spin_unlock(&mdt->mdt_client_bitmap_lock);
-
+
/*
- * Make sure the server's last_transno is up to date. Do this after the
- * client is freed so we know all the client's transactions have been
- * committed.
+ * Make sure the server's last_transno is up to date. Do this
+ * after the client is freed so we know all the client's
+ * transactions have been committed.
*/
- mdt_server_data_update(env, mdt);
+ mdt_server_data_update(env, mdt, need_sync);
+
EXIT;
free:
- OBD_FREE_PTR(mcd);
- med->med_mcd = NULL;
+ OBD_FREE_PTR(lcd);
+ med->med_lcd = NULL;
return 0;
}
struct mdt_device *mdt = mti->mti_mdt;
struct ptlrpc_request *req = mdt_info_req(mti);
struct mdt_export_data *med;
- struct mdt_client_data *mcd;
+ struct lsd_client_data *lcd;
loff_t off;
int err;
__s32 rc = th->th_result;
- __u64 *transno_p;
ENTRY;
LASSERT(req);
LASSERT(mdt);
med = &req->rq_export->exp_mdt_data;
LASSERT(med);
- mcd = med->med_mcd;
+ lcd = med->med_lcd;
/* if the export has already been failed, we have no last_rcvd slot */
if (req->rq_export->exp_failed) {
CWARN("commit transaction for disconnected client %s: rc %d\n",
}
off = med->med_lr_off;
- mutex_down(&med->med_mcd_lock);
+ LASSERT(ergo(mti->mti_transno == 0, rc != 0));
+ mutex_down(&med->med_lcd_lock);
if (lustre_msg_get_opc(req->rq_reqmsg) == MDS_CLOSE ||
lustre_msg_get_opc(req->rq_reqmsg) == MDS_DONE_WRITING) {
- transno_p = &mcd->mcd_last_close_transno;
- mcd->mcd_last_close_xid = req->rq_xid;
- mcd->mcd_last_close_result = rc;
+ if (mti->mti_transno != 0)
+ lcd->lcd_last_close_transno = mti->mti_transno;
+ lcd->lcd_last_close_xid = req->rq_xid;
+ lcd->lcd_last_close_result = rc;
} else {
- transno_p = &mcd->mcd_last_transno;
- mcd->mcd_last_xid = req->rq_xid;
- mcd->mcd_last_result = rc;
+ /* VBR: save versions in last_rcvd for reconstruct. */
+ __u64 *pre_versions = lustre_msg_get_versions(req->rq_repmsg);
+ if (pre_versions) {
+ lcd->lcd_pre_versions[0] = pre_versions[0];
+ lcd->lcd_pre_versions[1] = pre_versions[1];
+ lcd->lcd_pre_versions[2] = pre_versions[2];
+ lcd->lcd_pre_versions[3] = pre_versions[3];
+ }
+ if (mti->mti_transno != 0)
+ lcd->lcd_last_transno = mti->mti_transno;
+ lcd->lcd_last_xid = req->rq_xid;
+ lcd->lcd_last_result = rc;
/*XXX: save intent_disposition in mdt_thread_info?
* also there is bug - intent_dispostion is __u64,
* see struct ldlm_reply->lock_policy_res1; */
- mcd->mcd_last_data = mti->mti_opdata;
+ lcd->lcd_last_data = mti->mti_opdata;
}
- /*
- * When we store zero transno in mcd we can lost last transno value
- * because mcd contains 0, but msd is not yet written
- * The server data should be updated also if the latest
- * transno is rewritten by zero. See the bug 11125 for details.
- */
- if (mti->mti_transno == 0 &&
- *transno_p == mdt->mdt_last_transno)
- mdt_server_data_update(mti->mti_env, mdt);
-
- *transno_p = mti->mti_transno;
-
if (off <= 0) {
CERROR("client idx %d has offset %lld\n", med->med_lr_idx, off);
err = -EINVAL;
} else {
- err = mdt_last_rcvd_write(mti->mti_env, mdt, mcd, &off, th);
+ err = mdt_last_rcvd_write(mti->mti_env, mdt, lcd, &off, th);
}
- mutex_up(&med->med_mcd_lock);
+ mutex_up(&med->med_lcd_lock);
RETURN(err);
}
static int mdt_txn_start_cb(const struct lu_env *env,
struct txn_param *param, void *cookie)
{
- param->tp_credits += MDT_TXN_LAST_RCVD_WRITE_CREDITS;
+ struct mdt_device *mdt = cookie;
+
+ param->tp_credits += mdt_trans_credit_get(env, mdt,
+ MDT_TXN_LAST_RCVD_WRITE_OP);
return 0;
}
+/* Set new object versions */
+static void mdt_versions_set(struct mdt_thread_info *info)
+{
+ int i;
+ for (i = 0; i < PTLRPC_NUM_VERSIONS; i++)
+ if (info->mti_mos[i] != NULL)
+ mo_version_set(info->mti_env,
+ mdt_object_child(info->mti_mos[i]),
+ info->mti_transno);
+}
+
/* Update last_rcvd records with latests transaction data */
static int mdt_txn_stop_cb(const struct lu_env *env,
struct thandle *txn, void *cookie)
if (mti->mti_has_trans) {
/* XXX: currently there are allowed cases, but the wrong cases
* are also possible, so better check is needed here */
- CDEBUG(D_INFO, "More than one transaction "LPU64"\n", mti->mti_transno);
+ CDEBUG(D_INFO, "More than one transaction "LPU64"\n",
+ mti->mti_transno);
return 0;
}
if (mti->mti_transno != 0) {
CERROR("Replay transno "LPU64" failed: rc %i\n",
mti->mti_transno, txn->th_result);
- mti->mti_transno = 0;
}
} else if (mti->mti_transno == 0) {
mti->mti_transno = ++ mdt->mdt_last_transno;
if (mti->mti_transno > mdt->mdt_last_transno)
mdt->mdt_last_transno = mti->mti_transno;
}
-
+ spin_unlock(&mdt->mdt_transno_lock);
/* sometimes the reply message has not been successfully packed */
LASSERT(req != NULL && req->rq_repmsg != NULL);
+ /** VBR: set new versions */
+ if (txn->th_result == 0)
+ mdt_versions_set(mti);
+
/* filling reply data */
CDEBUG(D_INODE, "transno = %llu, last_committed = %llu\n",
mti->mti_transno, req->rq_export->exp_obd->obd_last_committed);
req->rq_transno = mti->mti_transno;
lustre_msg_set_transno(req->rq_repmsg, mti->mti_transno);
lustre_msg_set_last_xid(req->rq_repmsg,
- mcd_last_xid(req->rq_export->exp_mdt_data.med_mcd));
+ lcd_last_xid(req->rq_export->exp_mdt_data.med_lcd));
/* save transno for the commit callback */
txi->txi_transno = mti->mti_transno;
- spin_unlock(&mdt->mdt_transno_lock);
+
+ /* add separate commit callback for transaction handling because we need
+ * export as parameter */
+ mdt_trans_add_cb(txn, lut_cb_last_committed,
+ class_export_get(mti->mti_exp));
return mdt_last_rcvd_update(mti, txn);
}
-/* commit callback, need to update last_commited value */
+/* commit callback, need to update last_committed value */
static int mdt_txn_commit_cb(const struct lu_env *env,
struct thandle *txn, void *cookie)
{
struct mdt_device *mdt = cookie;
- struct obd_device *obd = md2lu_dev(&mdt->mdt_md_dev)->ld_obd;
struct mdt_txn_info *txi;
int i;
txi = lu_context_key_get(&txn->th_ctx, &mdt_txn_key);
- /* copy of obd_transno_commit_cb() but with locking */
- spin_lock(&mdt->mdt_transno_lock);
- if (txi->txi_transno > obd->obd_last_committed) {
- obd->obd_last_committed = txi->txi_transno;
- spin_unlock(&mdt->mdt_transno_lock);
- ptlrpc_commit_replies(obd);
- } else
- spin_unlock(&mdt->mdt_transno_lock);
-
- if (txi->txi_transno)
- CDEBUG(D_HA, "%s: transno "LPD64" is committed\n",
- obd->obd_name, txi->txi_transno);
-
/* iterate through all additional callbacks */
for (i = 0; i < txi->txi_cb_count; i++) {
- txi->txi_cb[i].mdt_cb_func(mdt, txi->txi_transno,
- txi->txi_cb[i].mdt_cb_data, 0);
+ txi->txi_cb[i].lut_cb_func(&mdt->mdt_lut, txi->txi_transno,
+ txi->txi_cb[i].lut_cb_data, 0);
}
return 0;
}
int mdt_fs_setup(const struct lu_env *env, struct mdt_device *mdt,
- struct obd_device *obd)
+ struct obd_device *obd,
+ struct lustre_sb_info *lsi)
{
struct lu_fid fid;
struct dt_object *o;
mdt->mdt_txn_cb.dtc_txn_stop = mdt_txn_stop_cb;
mdt->mdt_txn_cb.dtc_txn_commit = mdt_txn_commit_cb;
mdt->mdt_txn_cb.dtc_cookie = mdt;
+ mdt->mdt_txn_cb.dtc_tag = LCT_MD_THREAD;
CFS_INIT_LIST_HEAD(&mdt->mdt_txn_cb.dtc_linkage);
dt_txn_callback_add(mdt->mdt_bottom, &mdt->mdt_txn_cb);
- o = dt_store_open(env, mdt->mdt_bottom, LAST_RCVD, &fid);
- if (!IS_ERR(o)) {
- mdt->mdt_last_rcvd = o;
- rc = mdt_server_data_init(env, mdt);
- if (rc)
- GOTO(put_last_rcvd, rc);
- } else {
- rc = PTR_ERR(o);
- CERROR("cannot open %s: rc = %d\n", LAST_RCVD, rc);
+ rc = mdt_server_data_init(env, mdt, lsi);
+ if (rc)
RETURN(rc);
- }
- o = dt_store_open(env, mdt->mdt_bottom, CAPA_KEYS, &fid);
+ o = dt_store_open(env, mdt->mdt_bottom, "", CAPA_KEYS, &fid);
if (!IS_ERR(o)) {
mdt->mdt_ck_obj = o;
rc = mdt_capa_keys_init(env, mdt);
} else {
rc = PTR_ERR(o);
CERROR("cannot open %s: rc = %d\n", CAPA_KEYS, rc);
- GOTO(put_last_rcvd, rc);
+ GOTO(disconnect_exports, rc);
}
RETURN(0);
put_ck_object:
lu_object_put(env, &o->do_lu);
mdt->mdt_ck_obj = NULL;
-put_last_rcvd:
- lu_object_put(env, &mdt->mdt_last_rcvd->do_lu);
- mdt->mdt_last_rcvd = NULL;
+disconnect_exports:
+ class_disconnect_exports(obd);
return rc;
}
-
void mdt_fs_cleanup(const struct lu_env *env, struct mdt_device *mdt)
{
ENTRY;
/* Remove transaction callback */
dt_txn_callback_del(mdt->mdt_bottom, &mdt->mdt_txn_cb);
- if (mdt->mdt_last_rcvd)
- lu_object_put(env, &mdt->mdt_last_rcvd->do_lu);
- mdt->mdt_last_rcvd = NULL;
if (mdt->mdt_ck_obj)
lu_object_put(env, &mdt->mdt_ck_obj->do_lu);
mdt->mdt_ck_obj = NULL;
}
/* reconstruction code */
-extern void mds_steal_ack_locks(struct ptlrpc_request *req);
-void mdt_req_from_mcd(struct ptlrpc_request *req,
- struct mdt_client_data *mcd)
+static void mdt_steal_ack_locks(struct ptlrpc_request *req)
+{
+ struct obd_export *exp = req->rq_export;
+ struct list_head *tmp;
+ struct ptlrpc_reply_state *oldrep;
+ struct ptlrpc_service *svc;
+ int i;
+
+ /* CAVEAT EMPTOR: spinlock order */
+ spin_lock(&exp->exp_lock);
+ list_for_each (tmp, &exp->exp_outstanding_replies) {
+ oldrep = list_entry(tmp, struct ptlrpc_reply_state,rs_exp_list);
+
+ if (oldrep->rs_xid != req->rq_xid)
+ continue;
+
+ if (oldrep->rs_opc != lustre_msg_get_opc(req->rq_reqmsg))
+ CERROR ("Resent req xid "LPU64" has mismatched opc: "
+ "new %d old %d\n", req->rq_xid,
+ lustre_msg_get_opc(req->rq_reqmsg),
+ oldrep->rs_opc);
+
+ svc = oldrep->rs_service;
+ spin_lock (&svc->srv_lock);
+
+ list_del_init (&oldrep->rs_exp_list);
+
+ CWARN("Stealing %d locks from rs %p x"LPD64".t"LPD64
+ " o%d NID %s\n",
+ oldrep->rs_nlocks, oldrep,
+ oldrep->rs_xid, oldrep->rs_transno, oldrep->rs_opc,
+ libcfs_nid2str(exp->exp_connection->c_peer.nid));
+
+ for (i = 0; i < oldrep->rs_nlocks; i++)
+ ptlrpc_save_lock(req, &oldrep->rs_locks[i],
+ oldrep->rs_modes[i], 0);
+ oldrep->rs_nlocks = 0;
+
+ DEBUG_REQ(D_HA, req, "stole locks for");
+ spin_lock(&oldrep->rs_lock);
+ ptlrpc_schedule_difficult_reply (oldrep);
+ spin_unlock(&oldrep->rs_lock);
+
+ spin_unlock (&svc->srv_lock);
+ break;
+ }
+ spin_unlock(&exp->exp_lock);
+}
+
+/**
+ * VBR: restore versions
+ */
+void mdt_vbr_reconstruct(struct ptlrpc_request *req,
+ struct lsd_client_data *lcd)
+{
+ __u64 pre_versions[4] = {0};
+ pre_versions[0] = lcd->lcd_pre_versions[0];
+ pre_versions[1] = lcd->lcd_pre_versions[1];
+ pre_versions[2] = lcd->lcd_pre_versions[2];
+ pre_versions[3] = lcd->lcd_pre_versions[3];
+ lustre_msg_set_versions(req->rq_repmsg, pre_versions);
+}
+
+void mdt_req_from_lcd(struct ptlrpc_request *req,
+ struct lsd_client_data *lcd)
{
DEBUG_REQ(D_HA, req, "restoring transno "LPD64"/status %d",
- mcd->mcd_last_transno, mcd->mcd_last_result);
+ lcd->lcd_last_transno, lcd->lcd_last_result);
if (lustre_msg_get_opc(req->rq_reqmsg) == MDS_CLOSE ||
lustre_msg_get_opc(req->rq_repmsg) == MDS_DONE_WRITING) {
- req->rq_transno = mcd->mcd_last_close_transno;
- req->rq_status = mcd->mcd_last_close_result;
- lustre_msg_set_transno(req->rq_repmsg, req->rq_transno);
- lustre_msg_set_status(req->rq_repmsg, req->rq_status);
+ req->rq_transno = lcd->lcd_last_close_transno;
+ req->rq_status = lcd->lcd_last_close_result;
} else {
- req->rq_transno = mcd->mcd_last_transno;
- req->rq_status = mcd->mcd_last_result;
- lustre_msg_set_transno(req->rq_repmsg, req->rq_transno);
- lustre_msg_set_status(req->rq_repmsg, req->rq_status);
+ req->rq_transno = lcd->lcd_last_transno;
+ req->rq_status = lcd->lcd_last_result;
+ mdt_vbr_reconstruct(req, lcd);
}
- mds_steal_ack_locks(req);
+ if (req->rq_status != 0)
+ req->rq_transno = 0;
+ lustre_msg_set_transno(req->rq_repmsg, req->rq_transno);
+ lustre_msg_set_status(req->rq_repmsg, req->rq_status);
+ DEBUG_REQ(D_RPCTRACE, req, "restoring transno "LPD64"/status %d",
+ req->rq_transno, req->rq_status);
+
+ mdt_steal_ack_locks(req);
}
void mdt_reconstruct_generic(struct mdt_thread_info *mti,
struct ptlrpc_request *req = mdt_info_req(mti);
struct mdt_export_data *med = &req->rq_export->exp_mdt_data;
- return mdt_req_from_mcd(req, med->med_mcd);
+ return mdt_req_from_lcd(req, med->med_lcd);
}
static void mdt_reconstruct_create(struct mdt_thread_info *mti,
struct mdt_lock_handle *lhc)
{
struct ptlrpc_request *req = mdt_info_req(mti);
- struct mdt_export_data *med = &req->rq_export->exp_mdt_data;
+ struct obd_export *exp = req->rq_export;
+ struct mdt_export_data *med = &exp->exp_mdt_data;
struct mdt_device *mdt = mti->mti_mdt;
struct mdt_object *child;
struct mdt_body *body;
int rc;
- mdt_req_from_mcd(req, med->med_mcd);
+ mdt_req_from_lcd(req, med->med_lcd);
if (req->rq_status)
return;
/* if no error, so child was created with requested fid */
child = mdt_object_find(mti->mti_env, mdt, mti->mti_rr.rr_fid2);
- LASSERT(!IS_ERR(child));
+ if (IS_ERR(child)) {
+ rc = PTR_ERR(child);
+ LCONSOLE_WARN("Child "DFID" lookup error %d."
+ " Evicting client %s with export %s.\n",
+ PFID(mdt_object_fid(child)), rc,
+ obd_uuid2str(&exp->exp_client_uuid),
+ obd_export_nid2str(exp));
+ mdt_export_evict(exp);
+ EXIT;
+ return;
+ }
body = req_capsule_server_get(mti->mti_pill, &RMF_MDT_BODY);
+ mti->mti_attr.ma_need = MA_INODE;
+ mti->mti_attr.ma_valid = 0;
rc = mo_attr_get(mti->mti_env, mdt_object_child(child), &mti->mti_attr);
if (rc == -EREMOTE) {
/* object was created on remote server */
req->rq_status = rc;
body->valid |= OBD_MD_MDS;
}
- mdt_pack_attr2body(mti, body, &mti->mti_attr.ma_attr, mdt_object_fid(child));
+ mdt_pack_attr2body(mti, body, &mti->mti_attr.ma_attr,
+ mdt_object_fid(child));
mdt_object_put(mti->mti_env, child);
}
struct mdt_lock_handle *lhc)
{
struct ptlrpc_request *req = mdt_info_req(mti);
- struct mdt_export_data *med = &req->rq_export->exp_mdt_data;
+ struct obd_export *exp = req->rq_export;
+ struct mdt_export_data *med = &exp->exp_mdt_data;
struct mdt_device *mdt = mti->mti_mdt;
struct mdt_object *obj;
struct mdt_body *body;
- mdt_req_from_mcd(req, med->med_mcd);
+ mdt_req_from_lcd(req, med->med_lcd);
if (req->rq_status)
return;
body = req_capsule_server_get(mti->mti_pill, &RMF_MDT_BODY);
obj = mdt_object_find(mti->mti_env, mdt, mti->mti_rr.rr_fid1);
- LASSERT(!IS_ERR(obj));
+ if (IS_ERR(obj)) {
+ int rc = PTR_ERR(obj);
+ LCONSOLE_WARN(""DFID" lookup error %d."
+ " Evicting client %s with export %s.\n",
+ PFID(mdt_object_fid(obj)), rc,
+ obd_uuid2str(&exp->exp_client_uuid),
+ obd_export_nid2str(exp));
+ mdt_export_evict(exp);
+ EXIT;
+ return;
+ }
+ mti->mti_attr.ma_need = MA_INODE;
+ mti->mti_attr.ma_valid = 0;
mo_attr_get(mti->mti_env, mdt_object_child(obj), &mti->mti_attr);
mdt_pack_attr2body(mti, body, &mti->mti_attr.ma_attr,
mdt_object_fid(obj));
mdt_object_put(mti->mti_env, obj);
}
-static void mdt_reconstruct_setxattr(struct mdt_thread_info *mti,
- struct mdt_lock_handle *lhc)
-{
- /* reply nothing */
- req_capsule_shrink(mti->mti_pill, &RMF_EADATA, 0, RCL_SERVER);
-}
-
typedef void (*mdt_reconstructor)(struct mdt_thread_info *mti,
struct mdt_lock_handle *lhc);
[REINT_UNLINK] = mdt_reconstruct_generic,
[REINT_RENAME] = mdt_reconstruct_generic,
[REINT_OPEN] = mdt_reconstruct_open,
- [REINT_SETXATTR] = mdt_reconstruct_setxattr
+ [REINT_SETXATTR] = mdt_reconstruct_generic
};
void mdt_reconstruct(struct mdt_thread_info *mti,
git://git.whamcloud.com / fs / lustre-release.git / blobdiff