/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * linux/mds/mds_lov.c
- * Lustre Metadata Server (mds) handling of striped file data
+ * GPL HEADER START
*
- * Copyright (C) 2001-2003 Cluster File Systems, Inc.
- * Author: Peter Braam <braam@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 (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ *
+ * lustre/mds/mds_lov.c
+ *
+ * Lustre Metadata Server (mds) handling of striped file data
+ *
+ * Author: Peter Braam <braam@clusterfs.com>
*/
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
#define DEBUG_SUBSYSTEM S_MDS
#include <linux/module.h>
#include <obd_lov.h>
#include <lustre_lib.h>
#include <lustre_fsfilt.h>
+#include <obd_cksum.h>
#include "mds_internal.h"
struct mds_obd *mds = &obd->u.mds;
unsigned int i=0, j;
+ if ((libcfs_debug & D_INFO) == 0)
+ return;
+
CDEBUG(D_INFO, "dump from %s\n", label);
if (mds->mds_lov_page_dirty == NULL) {
CERROR("NULL bitmap!\n");
GOTO(skip_bitmap, i);
}
- for(i=0;i<((mds->mds_lov_page_dirty->size/BITS_PER_LONG)+1);i++)
- CDEBUG(D_INFO, "%u - %lx\n", i, mds->mds_lov_page_dirty->data[i]);
+ for(i = 0; i < mds->mds_lov_page_dirty->size / BITS_PER_LONG + 1; i++)
+ CDEBUG(D_INFO, "%u - %lx\n", i,
+ mds->mds_lov_page_dirty->data[i]);
skip_bitmap:
if (mds->mds_lov_page_array == NULL) {
CERROR("not init page array!\n");
GOTO(skip_array, i);
}
- for(i=0;i<MDS_LOV_OBJID_PAGES_COUNT;i++) {
+ for(i = 0;i < MDS_LOV_OBJID_PAGES_COUNT; i++) {
obd_id *data = mds->mds_lov_page_array[i];
if (data == NULL)
for(j=0; j < OBJID_PER_PAGE(); j++) {
if (data[j] == 0)
continue;
- CDEBUG(D_INFO,"objid page %u idx %u - %llu \n", i,j,data[j]);
+ CDEBUG(D_INFO,"objid page %u idx %u - "LPU64" \n",
+ i, j, data[j]);
}
}
skip_array:
CLASSERT(((MDS_LOV_ALLOC_SIZE % sizeof(obd_id)) == 0));
- mds->mds_lov_page_dirty = ALLOCATE_BITMAP(MDS_LOV_OBJID_PAGES_COUNT);
+ mds->mds_lov_page_dirty =
+ CFS_ALLOCATE_BITMAP(MDS_LOV_OBJID_PAGES_COUNT);
if (mds->mds_lov_page_dirty == NULL)
RETURN(-ENOMEM);
err_free:
OBD_FREE(mds->mds_lov_page_array, size);
err_free_bitmap:
- FREE_BITMAP(mds->mds_lov_page_dirty);
+ CFS_FREE_BITMAP(mds->mds_lov_page_dirty);
RETURN(rc);
}
-EXPORT_SYMBOL(mds_lov_init_objids);
void mds_lov_destroy_objids(struct obd_device *obd)
{
}
if (mds->mds_lov_objid_filp) {
- rc = filp_close((struct file *)mds->mds_lov_objid_filp, 0);
+ rc = filp_close((struct file *)mds->mds_lov_objid_filp, NULL);
mds->mds_lov_objid_filp = NULL;
if (rc)
CERROR("%s file won't close, rc=%d\n", LOV_OBJID, rc);
}
- FREE_BITMAP(mds->mds_lov_page_dirty);
+ CFS_FREE_BITMAP(mds->mds_lov_page_dirty);
EXIT;
}
-EXPORT_SYMBOL(mds_lov_destroy_objids);
+
+/**
+ * currently exist two ways for know about ost count and max ost index.
+ * first - after ost is connected to mds and sync process finished
+ * second - get from lmm in recovery process, in case when mds not have configs,
+ * and ost isn't registered in mgs.
+ *
+ * \param mds pointer to mds structure
+ * \param index maxium ost index
+ *
+ * \retval -ENOMEM is not hame memory for new page
+ * \retval 0 is update passed
+ */
+static int mds_lov_update_max_ost(struct mds_obd *mds, obd_id index)
+{
+ __u32 page = index / OBJID_PER_PAGE();
+ __u32 off = index % OBJID_PER_PAGE();
+ obd_id *data = mds->mds_lov_page_array[page];
+
+ if (data == NULL) {
+ OBD_ALLOC(data, MDS_LOV_ALLOC_SIZE);
+ if (data == NULL)
+ RETURN(-ENOMEM);
+
+ mds->mds_lov_page_array[page] = data;
+ }
+
+ if (index > mds->mds_lov_objid_max_index) {
+ mds->mds_lov_objid_lastpage = page;
+ mds->mds_lov_objid_lastidx = off;
+ mds->mds_lov_objid_max_index = index;
+ }
+
+ /* workaround - New target not in objids file; increase mdsize */
+ /* ld_tgt_count is used as the max index everywhere, despite its name. */
+ if (data[off] == 0) {
+ __u32 stripes;
+
+ data[off] = 1;
+ mds->mds_lov_objid_count++;
+ stripes = min_t(__u32, LOV_MAX_STRIPE_COUNT,
+ mds->mds_lov_objid_count);
+
+ mds->mds_max_mdsize = lov_mds_md_size(stripes, LOV_MAGIC_V3);
+ mds->mds_max_cookiesize = stripes * sizeof(struct llog_cookie);
+
+ CDEBUG(D_CONFIG, "updated max_mdsize/max_cookiesize for %d"
+ " stripes: %d/%d\n", stripes, mds->mds_max_mdsize,
+ mds->mds_max_cookiesize);
+ }
+
+ EXIT;
+ return 0;
+}
+
+static int mds_lov_objinit(struct mds_obd *mds, __u32 index)
+{
+ __u32 page = index / OBJID_PER_PAGE();
+ __u32 off = index % OBJID_PER_PAGE();
+ obd_id *data = mds->mds_lov_page_array[page];
+
+ return (data[off] > 0);
+}
+
+int mds_lov_prepare_objids(struct obd_device *obd, struct lov_mds_md *lmm)
+{
+ struct lov_ost_data_v1 *data;
+ __u32 count;
+ int rc = 0;
+ __u32 j;
+
+ /* if we create file without objects - lmm is NULL */
+ if (lmm == NULL)
+ return 0;
+
+ switch (le32_to_cpu(lmm->lmm_magic)) {
+ case LOV_MAGIC_V1:
+ count = le32_to_cpu(((struct lov_mds_md_v1*)lmm)->lmm_stripe_count);
+ data = &(((struct lov_mds_md_v1*)lmm)->lmm_objects[0]);
+ break;
+ case LOV_MAGIC_V3:
+ count = le32_to_cpu(((struct lov_mds_md_v3*)lmm)->lmm_stripe_count);
+ data = &(((struct lov_mds_md_v3*)lmm)->lmm_objects[0]);
+ break;
+ default:
+ CERROR("Unknow lmm type %X!\n", le32_to_cpu(lmm->lmm_magic));
+ RETURN(-EINVAL);
+ }
+
+
+ cfs_mutex_down(&obd->obd_dev_sem);
+ for (j = 0; j < count; j++) {
+ __u32 i = le32_to_cpu(data[j].l_ost_idx);
+ if (mds_lov_update_max_ost(&obd->u.mds, i)) {
+ rc = -ENOMEM;
+ break;
+ }
+ }
+ cfs_mutex_up(&obd->obd_dev_sem);
+
+ RETURN(rc);
+}
+EXPORT_SYMBOL(mds_lov_prepare_objids);
+
+/*
+ * write llog orphan record about lost ost object,
+ * Special lsm is allocated with single stripe, caller should deallocated it
+ * after use
+ */
+static int mds_log_lost_precreated(struct obd_device *obd,
+ struct lov_stripe_md **lsmp, int *stripes,
+ obd_id id, obd_count count, int idx)
+{
+ struct lov_stripe_md *lsm = *lsmp;
+ int rc;
+ ENTRY;
+
+ if (*lsmp == NULL) {
+ rc = obd_alloc_memmd(obd->u.mds.mds_lov_exp, &lsm);
+ if (rc < 0)
+ RETURN(rc);
+ /* need only one stripe, save old value */
+ *stripes = lsm->lsm_stripe_count;
+ lsm->lsm_stripe_count = 1;
+ *lsmp = lsm;
+ }
+
+ lsm->lsm_oinfo[0]->loi_id = id;
+ lsm->lsm_oinfo[0]->loi_seq = mdt_to_obd_objseq(obd->u.mds.mds_id);
+ lsm->lsm_oinfo[0]->loi_ost_idx = idx;
+
+ rc = mds_log_op_orphan(obd, lsm, count);
+ RETURN(rc);
+}
void mds_lov_update_objids(struct obd_device *obd, struct lov_mds_md *lmm)
{
struct mds_obd *mds = &obd->u.mds;
int j;
+ struct lov_ost_data_v1 *obj;
+ struct lov_stripe_md *lsm = NULL;
+ int stripes = 0;
+ int count;
ENTRY;
/* if we create file without objects - lmm is NULL */
if (lmm == NULL)
return;
- for (j = 0; j < le32_to_cpu(lmm->lmm_stripe_count); j++) {
- int i = le32_to_cpu(lmm->lmm_objects[j].l_ost_idx);
- obd_id id = le64_to_cpu(lmm->lmm_objects[j].l_object_id);
- int page = i / OBJID_PER_PAGE();
- int idx = i % OBJID_PER_PAGE();
- obd_id *data = mds->mds_lov_page_array[page];
+ switch (le32_to_cpu(lmm->lmm_magic)) {
+ case LOV_MAGIC_V1:
+ count = le32_to_cpu(((struct lov_mds_md_v1*)lmm)->lmm_stripe_count);
+ obj = ((struct lov_mds_md_v1*)lmm)->lmm_objects;
+ break;
+ case LOV_MAGIC_V3:
+ count = le32_to_cpu(((struct lov_mds_md_v3*)lmm)->lmm_stripe_count);
+ obj = ((struct lov_mds_md_v3*)lmm)->lmm_objects;
+ break;
+ default:
+ CERROR("Unknow lmm type %X !\n",
+ le32_to_cpu(lmm->lmm_magic));
+ return;
+ }
+
+ for (j = 0; j < count; j++) {
+ __u32 i = le32_to_cpu(obj[j].l_ost_idx);
+ obd_id id = le64_to_cpu(obj[j].l_object_id);
+ __u32 page = i / OBJID_PER_PAGE();
+ __u32 idx = i % OBJID_PER_PAGE();
+ obd_id *data;
+
+ data = mds->mds_lov_page_array[page];
- CDEBUG(D_INODE,"update last object for ost %d - new %llu"
- " old %llu\n", i, id, data[idx]);
+ CDEBUG(D_INODE,"update last object for ost %u"
+ " - new "LPU64" old "LPU64"\n", i, id, data[idx]);
if (id > data[idx]) {
+ int lost = id - data[idx] - 1;
+ /* we might have lost precreated objects due to VBR */
+ if (lost > 0 && obd->obd_recovering) {
+ CDEBUG(D_HA, "Gap in objids is %u\n", lost);
+ if (!obd->obd_version_recov)
+ CERROR("Unexpected gap in objids\n");
+ /* lsm is allocated if NULL */
+ mds_log_lost_precreated(obd, &lsm, &stripes,
+ data[idx]+1, lost, i);
+ }
data[idx] = id;
cfs_bitmap_set(mds->mds_lov_page_dirty, page);
}
}
+ if (lsm) {
+ /* restore stripes number */
+ lsm->lsm_stripe_count = stripes;
+ obd_free_memmd(mds->mds_lov_exp, &lsm);
+ }
EXIT;
+ return;
}
EXPORT_SYMBOL(mds_lov_update_objids);
+static int mds_lov_update_from_read(struct mds_obd *mds, obd_id *data,
+ __u32 count)
+{
+ __u32 i;
+ __u32 stripes;
+
+ for (i = 0; i < count; i++) {
+ if (data[i] == 0)
+ continue;
+
+ mds->mds_lov_objid_count++;
+ }
+
+ stripes = min_t(__u32, LOV_MAX_STRIPE_COUNT,
+ mds->mds_lov_objid_count);
+
+ mds->mds_max_mdsize = lov_mds_md_size(stripes, LOV_MAGIC_V3);
+ mds->mds_max_cookiesize = stripes * sizeof(struct llog_cookie);
+
+ CDEBUG(D_CONFIG, "updated max_mdsize/max_cookiesize for %d stripes: "
+ "%d/%d\n", stripes, mds->mds_max_mdsize,
+ mds->mds_max_cookiesize);
+
+ EXIT;
+ return 0;
+}
+
static int mds_lov_read_objids(struct obd_device *obd)
{
struct mds_obd *mds = &obd->u.mds;
loff_t off = 0;
- int i, rc, count = 0, page = 0;
- size_t size;
+ int i, rc = 0, count = 0, page = 0;
+ unsigned long size;
ENTRY;
/* Read everything in the file, even if our current lov desc
if (size == 0)
RETURN(0);
- page = (size/(OBJID_PER_PAGE()*sizeof(obd_id)))+1;
- CDEBUG(D_INFO, "file size %d pages %d\n", (int)size, page);
- for(i=0; i < page; i++) {
- obd_id *data = mds->mds_lov_page_array[i];
+ page = (size + MDS_LOV_ALLOC_SIZE - 1) / MDS_LOV_ALLOC_SIZE;
+ CDEBUG(D_INFO, "file size %lu pages %d\n", size, page);
+ for (i = 0; i < page; i++) {
+ obd_id *data;
loff_t off_old = off;
- LASSERT(data == NULL);
- OBD_ALLOC(data, MDS_LOV_ALLOC_SIZE);
- if (data == NULL)
+ LASSERT(mds->mds_lov_page_array[i] == NULL);
+ OBD_ALLOC(mds->mds_lov_page_array[i], MDS_LOV_ALLOC_SIZE);
+ if (mds->mds_lov_page_array[i] == NULL)
GOTO(out, rc = -ENOMEM);
- mds->mds_lov_page_array[i] = data;
+ data = mds->mds_lov_page_array[i];
rc = fsfilt_read_record(obd, mds->mds_lov_objid_filp, data,
- OBJID_PER_PAGE()*sizeof(obd_id), &off);
+ MDS_LOV_ALLOC_SIZE, &off);
if (rc < 0) {
CERROR("Error reading objids %d\n", rc);
GOTO(out, rc);
}
- if (off == off_old)
- break; // eof
+ if (off == off_old) /* hole is read */
+ off += MDS_LOV_ALLOC_SIZE;
- count += (off-off_old)/sizeof(obd_id);
+ count = (off - off_old) / sizeof(obd_id);
+ if (mds_lov_update_from_read(mds, data, count)) {
+ CERROR("Can't update mds data\n");
+ GOTO(out, rc = -EIO);
+ }
}
- mds->mds_lov_objid_count = count;
- if (count) {
- count --;
- mds->mds_lov_objid_lastpage = count / OBJID_PER_PAGE();
- mds->mds_lov_objid_lastidx = count % OBJID_PER_PAGE();
- }
- CDEBUG(D_INFO, "Read %u - %u %u objid\n", count,
+ mds->mds_lov_objid_lastpage = page - 1;
+ mds->mds_lov_objid_lastidx = count - 1;
+
+ CDEBUG(D_INFO, "Read %u - %u %u objid\n", mds->mds_lov_objid_count,
mds->mds_lov_objid_lastpage, mds->mds_lov_objid_lastidx);
out:
mds_lov_dump_objids("read",obd);
- RETURN(0);
+ RETURN(rc);
}
int mds_lov_write_objids(struct obd_device *obd)
{
struct mds_obd *mds = &obd->u.mds;
- int i, rc = 0;
+ int i = 0, rc = 0;
ENTRY;
if (cfs_bitmap_check_empty(mds->mds_lov_page_dirty))
cfs_foreach_bit(mds->mds_lov_page_dirty, i) {
obd_id *data = mds->mds_lov_page_array[i];
- unsigned int size = OBJID_PER_PAGE()*sizeof(obd_id);
+ unsigned int size = MDS_LOV_ALLOC_SIZE;
loff_t off = i * size;
LASSERT(data != NULL);
+ if (!cfs_bitmap_test_and_clear(mds->mds_lov_page_dirty, i))
+ continue;
+
/* check for particaly filled last page */
if (i == mds->mds_lov_objid_lastpage)
size = (mds->mds_lov_objid_lastidx+1) * sizeof(obd_id);
+ CDEBUG(D_INFO, "write %lld - %u\n", off, size);
rc = fsfilt_write_record(obd, mds->mds_lov_objid_filp, data,
size, &off, 0);
- if (rc < 0)
+ if (rc < 0) {
+ cfs_bitmap_set(mds->mds_lov_page_dirty, i);
break;
- cfs_bitmap_clear(mds->mds_lov_page_dirty, i);
+ }
}
if (rc >= 0)
rc = 0;
EXPORT_SYMBOL(mds_lov_write_objids);
static int mds_lov_get_objid(struct obd_device * obd,
- __u32 idx)
+ obd_id idx)
{
struct mds_obd *mds = &obd->u.mds;
+ struct obd_export *lov_exp = mds->mds_lov_exp;
unsigned int page;
unsigned int off;
obd_id *data;
+ __u32 size;
int rc = 0;
ENTRY;
page = idx / OBJID_PER_PAGE();
off = idx % OBJID_PER_PAGE();
data = mds->mds_lov_page_array[page];
- if (data == NULL) {
- OBD_ALLOC(data, MDS_LOV_ALLOC_SIZE);
- if (data == NULL)
- GOTO(out, rc = -ENOMEM);
- mds->mds_lov_page_array[page] = data;
- }
-
- if (data[off] == 0) {
+ if (data[off] < 2) {
/* We never read this lastid; ask the osc */
struct obd_id_info lastid;
- __u32 size = sizeof(lastid);
+ size = sizeof(lastid);
lastid.idx = idx;
lastid.data = &data[off];
- rc = obd_get_info(mds->mds_osc_exp, sizeof(KEY_LAST_ID),
- KEY_LAST_ID, &size, &lastid);
+ rc = obd_get_info(lov_exp, sizeof(KEY_LAST_ID), KEY_LAST_ID,
+ &size, &lastid, NULL);
if (rc)
GOTO(out, rc);
- if (idx > mds->mds_lov_objid_count) {
- mds->mds_lov_objid_count = idx;
- mds->mds_lov_objid_lastpage = page;
- mds->mds_lov_objid_lastidx = off;
- }
+ /* workaround for clean filter */
+ if (data[off] == 0)
+ data[off] = 1;
+
cfs_bitmap_set(mds->mds_lov_page_dirty, page);
}
+ CDEBUG(D_INFO, "idx "LPU64" - %p - %d/%d - "LPU64"\n",
+ idx, data, page, off, data[off]);
out:
RETURN(rc);
}
int mds_lov_clear_orphans(struct mds_obd *mds, struct obd_uuid *ost_uuid)
{
int rc;
- struct obdo oa;
+ struct obdo oa = { 0 };
struct obd_trans_info oti = {0};
struct lov_stripe_md *empty_ea = NULL;
ENTRY;
* objects above this ID, they will be removed. */
memset(&oa, 0, sizeof(oa));
oa.o_flags = OBD_FL_DELORPHAN;
- oa.o_gr = FILTER_GROUP_MDS0 + mds->mds_id;
+ oa.o_seq = mdt_to_obd_objseq(mds->mds_id);
oa.o_valid = OBD_MD_FLFLAGS | OBD_MD_FLGROUP;
- if (ost_uuid != NULL) {
- memcpy(&oa.o_inline, ost_uuid, sizeof(*ost_uuid));
- oa.o_valid |= OBD_MD_FLINLINE;
- }
- rc = obd_create(mds->mds_osc_exp, &oa, &empty_ea, &oti);
+ if (ost_uuid != NULL)
+ oti.oti_ost_uuid = ost_uuid;
+
+ rc = obd_create(mds->mds_lov_exp, &oa, &empty_ea, &oti);
RETURN(rc);
}
LASSERT(!obd->obd_recovering);
- /* obd->obd_dev_sem must be held so mds_lov_objids doesn't change */
- LASSERT_SEM_LOCKED(&obd->obd_dev_sem);
-
info.idx = idx;
info.data = id;
- rc = obd_set_info_async(mds->mds_osc_exp, sizeof(KEY_NEXT_ID),
+ rc = obd_set_info_async(mds->mds_lov_exp, sizeof(KEY_NEXT_ID),
KEY_NEXT_ID, sizeof(info), &info, NULL);
if (rc)
CERROR ("%s: mds_lov_set_nextid failed (%d)\n",
RETURN(rc);
}
-static __u32 mds_lov_get_idx(struct obd_export *lov,
- struct obd_uuid *ost_uuid)
-{
- int rc;
- int valsize = sizeof(ost_uuid);
-
- rc = obd_get_info(lov, sizeof(KEY_LOV_IDX), KEY_LOV_IDX,
- &valsize, ost_uuid);
- LASSERT(rc >= 0);
-
- RETURN(rc);
-}
-
/* Update the lov desc for a new size lov. */
-static int mds_lov_update_desc(struct obd_device *obd, struct obd_export *lov)
+static int mds_lov_update_desc(struct obd_device *obd, int idx,
+ struct obd_uuid *uuid)
{
struct mds_obd *mds = &obd->u.mds;
struct lov_desc *ld;
- __u32 stripes, valsize = sizeof(mds->mds_lov_desc);
+ __u32 valsize = sizeof(mds->mds_lov_desc);
int rc = 0;
ENTRY;
if (!ld)
RETURN(-ENOMEM);
- rc = obd_get_info(lov, sizeof(KEY_LOVDESC), KEY_LOVDESC,
- &valsize, ld);
+ rc = obd_get_info(mds->mds_lov_exp, sizeof(KEY_LOVDESC), KEY_LOVDESC,
+ &valsize, ld, NULL);
if (rc)
GOTO(out, rc);
/* Don't change the mds_lov_desc until the objids size matches the
count (paranoia) */
mds->mds_lov_desc = *ld;
- CDEBUG(D_CONFIG, "updated lov_desc, tgt_count: %d\n",
- mds->mds_lov_desc.ld_tgt_count);
+ CDEBUG(D_CONFIG, "updated lov_desc, tgt_count: %d - idx %d / uuid %s\n",
+ mds->mds_lov_desc.ld_tgt_count, idx, uuid->uuid);
- stripes = min_t(__u32, LOV_MAX_STRIPE_COUNT,
- mds->mds_lov_desc.ld_tgt_count);
-
- mds->mds_max_mdsize = lov_mds_md_size(stripes);
- mds->mds_max_cookiesize = stripes * sizeof(struct llog_cookie);
- CDEBUG(D_CONFIG, "updated max_mdsize/max_cookiesize for %d stripes: "
- "%d/%d\n", mds->mds_max_mdsize, mds->mds_max_cookiesize,
- stripes);
+ cfs_mutex_down(&obd->obd_dev_sem);
+ rc = mds_lov_update_max_ost(mds, idx);
+ cfs_mutex_up(&obd->obd_dev_sem);
+ if (rc != 0)
+ GOTO(out, rc );
/* If we added a target we have to reconnect the llogs */
/* We only _need_ to do this at first add (idx), or the first time
after recovery. However, it should now be safe to call anytime. */
- rc = llog_cat_initialize(obd, &obd->obd_olg,
- mds->mds_lov_desc.ld_tgt_count, NULL);
+ rc = obd_llog_init(obd, &obd->obd_olg, obd, &idx);
+ if (rc)
+ GOTO(out, rc);
- /*XXX this notifies the MDD until lov handling use old mds code */
- if (obd->obd_upcall.onu_owner) {
- LASSERT(obd->obd_upcall.onu_upcall != NULL);
- rc = obd->obd_upcall.onu_upcall(NULL, NULL, 0,
- obd->obd_upcall.onu_owner);
- }
out:
OBD_FREE(ld, sizeof(*ld));
RETURN(rc);
}
-
-#define MDSLOV_NO_INDEX -1
-
/* Inform MDS about new/updated target */
static int mds_lov_update_mds(struct obd_device *obd,
struct obd_device *watched,
int page;
int off;
obd_id *data;
-
ENTRY;
- /* Don't let anyone else mess with mds_lov_objids now */
- mutex_down(&obd->obd_dev_sem);
-
- rc = mds_lov_update_desc(obd, mds->mds_osc_exp);
- if (rc)
- GOTO(out, rc);
+ LASSERT(mds_lov_objinit(mds, idx));
CDEBUG(D_CONFIG, "idx=%d, recov=%d/%d, cnt=%d\n",
idx, obd->obd_recovering, obd->obd_async_recov,
data[off], idx, rc);
}
out:
- mutex_up(&obd->obd_dev_sem);
RETURN(rc);
}
int mds_lov_connect(struct obd_device *obd, char * lov_name)
{
struct mds_obd *mds = &obd->u.mds;
- struct lustre_handle conn = {0,};
struct obd_connect_data *data;
int rc;
ENTRY;
- if (IS_ERR(mds->mds_osc_obd))
- RETURN(PTR_ERR(mds->mds_osc_obd));
+ if (IS_ERR(mds->mds_lov_obd))
+ RETURN(PTR_ERR(mds->mds_lov_obd));
- if (mds->mds_osc_obd)
+ if (mds->mds_lov_obd)
RETURN(0);
- mds->mds_osc_obd = class_name2obd(lov_name);
- if (!mds->mds_osc_obd) {
+ mds->mds_lov_obd = class_name2obd(lov_name);
+ if (!mds->mds_lov_obd) {
CERROR("MDS cannot locate LOV %s\n", lov_name);
- mds->mds_osc_obd = ERR_PTR(-ENOTCONN);
+ mds->mds_lov_obd = ERR_PTR(-ENOTCONN);
RETURN(-ENOTCONN);
}
- OBD_ALLOC(data, sizeof(*data));
- if (data == NULL)
- RETURN(-ENOMEM);
- data->ocd_connect_flags = OBD_CONNECT_VERSION | OBD_CONNECT_INDEX |
- OBD_CONNECT_REQPORTAL | OBD_CONNECT_QUOTA64 |
- OBD_CONNECT_OSS_CAPA | OBD_CONNECT_FID;
-#ifdef HAVE_LRU_RESIZE_SUPPORT
- data->ocd_connect_flags |= OBD_CONNECT_LRU_RESIZE;
-#endif
- data->ocd_version = LUSTRE_VERSION_CODE;
- data->ocd_group = mds->mds_id + FILTER_GROUP_MDS0;
- /* NB: lov_connect() needs to fill in .ocd_index for each OST */
- rc = obd_connect(NULL, &conn, mds->mds_osc_obd, &obd->obd_uuid, data);
- OBD_FREE(data, sizeof(*data));
+ cfs_mutex_down(&obd->obd_dev_sem);
+ rc = mds_lov_read_objids(obd);
+ cfs_mutex_up(&obd->obd_dev_sem);
if (rc) {
- CERROR("MDS cannot connect to LOV %s (%d)\n", lov_name, rc);
- mds->mds_osc_obd = ERR_PTR(rc);
- RETURN(rc);
+ CERROR("cannot read %s: rc = %d\n", "lov_objids", rc);
+ GOTO(err_exit, rc);
}
- mds->mds_osc_exp = class_conn2export(&conn);
- rc = obd_register_observer(mds->mds_osc_obd, obd);
+ rc = obd_register_observer(mds->mds_lov_obd, obd);
if (rc) {
CERROR("MDS cannot register as observer of LOV %s (%d)\n",
lov_name, rc);
- GOTO(err_discon, rc);
+ GOTO(err_exit, rc);
}
- /* Deny new client connections until we are sure we have some OSTs */
- obd->obd_no_conn = 1;
+ /* ask lov to generate OBD_NOTIFY_CREATE events for already registered
+ * targets */
+ obd_notify(mds->mds_lov_obd, NULL, OBD_NOTIFY_CREATE, NULL);
- mutex_down(&obd->obd_dev_sem);
- rc = mds_lov_read_objids(obd);
- if (rc) {
- CERROR("cannot read %s: rc = %d\n", "lov_objids", rc);
- GOTO(err_reg, rc);
- }
+ mds->mds_lov_obd->u.lov.lov_sp_me = LUSTRE_SP_MDT;
- rc = mds_lov_update_desc(obd, mds->mds_osc_exp);
- if (rc)
- GOTO(err_reg, rc);
+ OBD_ALLOC(data, sizeof(*data));
+ if (data == NULL)
+ GOTO(err_exit, rc = -ENOMEM);
- /* tgt_count may be 0! */
- rc = llog_cat_initialize(obd, &obd->obd_olg,
- mds->mds_lov_desc.ld_tgt_count, NULL);
+ data->ocd_connect_flags = OBD_CONNECT_VERSION | OBD_CONNECT_INDEX |
+ OBD_CONNECT_REQPORTAL | OBD_CONNECT_QUOTA64 |
+ OBD_CONNECT_OSS_CAPA | OBD_CONNECT_FID |
+ OBD_CONNECT_BRW_SIZE | OBD_CONNECT_CKSUM |
+ OBD_CONNECT_CHANGE_QS | OBD_CONNECT_AT |
+ OBD_CONNECT_MDS | OBD_CONNECT_SKIP_ORPHAN |
+ OBD_CONNECT_SOM | OBD_CONNECT_FULL20 |
+ OBD_CONNECT_64BITHASH;
+#ifdef HAVE_LRU_RESIZE_SUPPORT
+ data->ocd_connect_flags |= OBD_CONNECT_LRU_RESIZE;
+#endif
+ data->ocd_version = LUSTRE_VERSION_CODE;
+ data->ocd_group = mdt_to_obd_objseq(mds->mds_id);
+ /* send max bytes per rpc */
+ data->ocd_brw_size = PTLRPC_MAX_BRW_PAGES << CFS_PAGE_SHIFT;
+ /* send the list of supported checksum types */
+ data->ocd_cksum_types = cksum_types_supported();
+ /* NB: lov_connect() needs to fill in .ocd_index for each OST */
+ rc = obd_connect(NULL, &mds->mds_lov_exp, mds->mds_lov_obd, &obd->obd_uuid, data, NULL);
+ OBD_FREE(data, sizeof(*data));
if (rc) {
- CERROR("failed to initialize catalog %d\n", rc);
- GOTO(err_reg, rc);
- }
-
- /* If we're mounting this code for the first time on an existing FS,
- * we need to populate the objids array from the real OST values */
- if (mds->mds_lov_desc.ld_tgt_count > mds->mds_lov_objid_count) {
- __u32 i = mds->mds_lov_objid_count;
- for(; i <= mds->mds_lov_desc.ld_tgt_count; i++) {
- rc = mds_lov_get_objid(obd, i);
- if (rc != 0)
- break;
- }
- if (rc == 0)
- rc = mds_lov_write_objids(obd);
- if (rc)
- CERROR("got last objids from OSTs, but error "
- "in update objids file: %d\n", rc);
+ CERROR("MDS cannot connect to LOV %s (%d)\n", lov_name, rc);
+ mds->mds_lov_obd = ERR_PTR(rc);
+ RETURN(rc);
}
- mutex_up(&obd->obd_dev_sem);
/* I want to see a callback happen when the OBD moves to a
* "For General Use" state, and that's when we'll call
*/
RETURN(rc);
-err_reg:
- mutex_up(&obd->obd_dev_sem);
- obd_register_observer(mds->mds_osc_obd, NULL);
-err_discon:
- obd_disconnect(mds->mds_osc_exp);
- mds->mds_osc_exp = NULL;
- mds->mds_osc_obd = ERR_PTR(rc);
+err_exit:
+ mds->mds_lov_exp = NULL;
+ mds->mds_lov_obd = ERR_PTR(rc);
RETURN(rc);
}
int rc = 0;
ENTRY;
- if (!IS_ERR(mds->mds_osc_obd) && mds->mds_osc_exp != NULL) {
- obd_register_observer(mds->mds_osc_obd, NULL);
+ if (!IS_ERR(mds->mds_lov_obd) && mds->mds_lov_exp != NULL) {
+ obd_register_observer(mds->mds_lov_obd, NULL);
/* The actual disconnect of the mds_lov will be called from
* class_disconnect_exports from mds_lov_clean. So we have to
* ensure that class_cleanup doesn't fail due to the extra ref
* we're holding now. The mechanism to do that already exists -
* the obd_force flag. We'll drop the final ref to the
- * mds_osc_exp in mds_cleanup. */
- mds->mds_osc_obd->obd_force = 1;
+ * mds_lov_exp in mds_cleanup. */
+ mds->mds_lov_obd->obd_force = 1;
}
RETURN(rc);
}
-int mds_iocontrol(unsigned int cmd, struct obd_export *exp, int len,
- void *karg, void *uarg)
-{
- static struct obd_uuid cfg_uuid = { .uuid = "config_uuid" };
- struct obd_device *obd = exp->exp_obd;
- struct mds_obd *mds = &obd->u.mds;
- struct obd_ioctl_data *data = karg;
- struct lvfs_run_ctxt saved;
- int rc = 0;
-
- ENTRY;
- CDEBUG(D_IOCTL, "handling ioctl cmd %#x\n", cmd);
-
- switch (cmd) {
- case OBD_IOC_RECORD: {
- char *name = data->ioc_inlbuf1;
- struct llog_ctxt *ctxt;
-
- if (mds->mds_cfg_llh)
- RETURN(-EBUSY);
-
- ctxt = llog_get_context(obd, LLOG_CONFIG_ORIG_CTXT);
- push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
- rc = llog_create(ctxt, &mds->mds_cfg_llh, NULL, name);
- llog_ctxt_put(ctxt);
- if (rc == 0)
- llog_init_handle(mds->mds_cfg_llh, LLOG_F_IS_PLAIN,
- &cfg_uuid);
- else
- mds->mds_cfg_llh = NULL;
- pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
-
- RETURN(rc);
- }
-
- case OBD_IOC_ENDRECORD: {
- if (!mds->mds_cfg_llh)
- RETURN(-EBADF);
-
- push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
- rc = llog_close(mds->mds_cfg_llh);
- pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
-
- mds->mds_cfg_llh = NULL;
- RETURN(rc);
- }
-
- case OBD_IOC_CLEAR_LOG: {
- char *name = data->ioc_inlbuf1;
- struct llog_ctxt *ctxt;
- if (mds->mds_cfg_llh)
- RETURN(-EBUSY);
-
- ctxt = llog_get_context(obd, LLOG_CONFIG_ORIG_CTXT);
- push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
- rc = llog_create(ctxt, &mds->mds_cfg_llh, NULL, name);
- llog_ctxt_put(ctxt);
- if (rc == 0) {
- llog_init_handle(mds->mds_cfg_llh, LLOG_F_IS_PLAIN,
- NULL);
-
- rc = llog_destroy(mds->mds_cfg_llh);
- llog_free_handle(mds->mds_cfg_llh);
- }
- pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
-
- mds->mds_cfg_llh = NULL;
- RETURN(rc);
- }
-
- case OBD_IOC_DORECORD: {
- char *cfg_buf;
- struct llog_rec_hdr rec;
- if (!mds->mds_cfg_llh)
- RETURN(-EBADF);
-
- rec.lrh_len = llog_data_len(data->ioc_plen1);
-
- if (data->ioc_type == LUSTRE_CFG_TYPE) {
- rec.lrh_type = OBD_CFG_REC;
- } else {
- CERROR("unknown cfg record type:%d \n", data->ioc_type);
- RETURN(-EINVAL);
- }
-
- OBD_ALLOC(cfg_buf, data->ioc_plen1);
- if (cfg_buf == NULL)
- RETURN(-EINVAL);
- rc = copy_from_user(cfg_buf, data->ioc_pbuf1, data->ioc_plen1);
- if (rc) {
- OBD_FREE(cfg_buf, data->ioc_plen1);
- RETURN(rc);
- }
-
- push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
- rc = llog_write_rec(mds->mds_cfg_llh, &rec, NULL, 0,
- cfg_buf, -1);
- pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
-
- OBD_FREE(cfg_buf, data->ioc_plen1);
- RETURN(rc);
- }
-
- case OBD_IOC_PARSE: {
- struct llog_ctxt *ctxt =
- llog_get_context(obd, LLOG_CONFIG_ORIG_CTXT);
- push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
- rc = class_config_parse_llog(ctxt, data->ioc_inlbuf1, NULL);
- pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
- llog_ctxt_put(ctxt);
- if (rc)
- RETURN(rc);
-
- RETURN(rc);
- }
-
- case OBD_IOC_DUMP_LOG: {
- struct llog_ctxt *ctxt =
- llog_get_context(obd, LLOG_CONFIG_ORIG_CTXT);
- push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
- rc = class_config_dump_llog(ctxt, data->ioc_inlbuf1, NULL);
- pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
- llog_ctxt_put(ctxt);
- if (rc)
- RETURN(rc);
-
- RETURN(rc);
- }
-
- case OBD_IOC_SYNC: {
- CDEBUG(D_INFO, "syncing mds %s\n", obd->obd_name);
- rc = fsfilt_sync(obd, obd->u.obt.obt_sb);
- RETURN(rc);
- }
-
- case OBD_IOC_SET_READONLY: {
- void *handle;
- struct inode *inode = obd->u.obt.obt_sb->s_root->d_inode;
- BDEVNAME_DECLARE_STORAGE(tmp);
- CERROR("*** setting device %s read-only ***\n",
- ll_bdevname(obd->u.obt.obt_sb, tmp));
-
- handle = fsfilt_start(obd, inode, FSFILT_OP_MKNOD, NULL);
- if (!IS_ERR(handle))
- rc = fsfilt_commit(obd, inode, handle, 1);
-
- CDEBUG(D_HA, "syncing mds %s\n", obd->obd_name);
- rc = fsfilt_sync(obd, obd->u.obt.obt_sb);
-
- lvfs_set_rdonly(obd, obd->u.obt.obt_sb);
- RETURN(0);
- }
-
- case OBD_IOC_CATLOGLIST: {
- int count = mds->mds_lov_desc.ld_tgt_count;
- rc = llog_catalog_list(obd, count, data);
- RETURN(rc);
-
- }
- case OBD_IOC_LLOG_CHECK:
- case OBD_IOC_LLOG_CANCEL:
- case OBD_IOC_LLOG_REMOVE: {
- struct llog_ctxt *ctxt =
- llog_get_context(obd, LLOG_CONFIG_ORIG_CTXT);
- int rc2;
- __u32 group;
-
- obd_llog_finish(obd, mds->mds_lov_desc.ld_tgt_count);
- push_ctxt(&saved, &ctxt->loc_exp->exp_obd->obd_lvfs_ctxt, NULL);
- rc = llog_ioctl(ctxt, cmd, data);
- pop_ctxt(&saved, &ctxt->loc_exp->exp_obd->obd_lvfs_ctxt, NULL);
- llog_cat_initialize(obd, &obd->obd_olg,
- mds->mds_lov_desc.ld_tgt_count, NULL);
- group = FILTER_GROUP_MDS0 + mds->mds_id;
- llog_ctxt_put(ctxt);
- rc2 = obd_set_info_async(mds->mds_osc_exp,
- strlen(KEY_MDS_CONN), KEY_MDS_CONN,
- sizeof(group), &group, NULL);
- if (!rc)
- rc = rc2;
- RETURN(rc);
- }
- case OBD_IOC_LLOG_INFO:
- case OBD_IOC_LLOG_PRINT: {
- struct llog_ctxt *ctxt =
- llog_get_context(obd, LLOG_CONFIG_ORIG_CTXT);
-
- push_ctxt(&saved, &ctxt->loc_exp->exp_obd->obd_lvfs_ctxt, NULL);
- rc = llog_ioctl(ctxt, cmd, data);
- pop_ctxt(&saved, &ctxt->loc_exp->exp_obd->obd_lvfs_ctxt, NULL);
- llog_ctxt_put(ctxt);
-
- RETURN(rc);
- }
-
- case OBD_IOC_ABORT_RECOVERY:
- CERROR("aborting recovery for device %s\n", obd->obd_name);
- target_stop_recovery_thread(obd);
- RETURN(0);
-
- default:
- CDEBUG(D_INFO, "unknown command %x\n", cmd);
- RETURN(-EINVAL);
- }
- RETURN(0);
-
-}
-
-/* Collect the preconditions we need to allow client connects */
-static void mds_allow_cli(struct obd_device *obd, unsigned int flag)
-{
- if (flag & CONFIG_LOG)
- obd->u.mds.mds_fl_cfglog = 1;
- if (flag & CONFIG_SYNC)
- obd->u.mds.mds_fl_synced = 1;
- if (obd->u.mds.mds_fl_cfglog /* bz11778: && obd->u.mds.mds_fl_synced */)
- /* Open for clients */
- obd->obd_no_conn = 0;
-}
-
struct mds_lov_sync_info {
- struct obd_device *mlsi_obd; /* the lov device to sync */
- struct obd_device *mlsi_watched; /* target osc */
- __u32 mlsi_index; /* index of target */
+ struct obd_device *mlsi_obd; /* the lov device to sync */
+ struct obd_device *mlsi_watched; /* target osc */
+ __u32 mlsi_index; /* index of target */
};
-static int mds_propagate_capa_keys(struct mds_obd *mds)
+static int mds_propagate_capa_keys(struct mds_obd *mds, struct obd_uuid *uuid)
{
+ struct mds_capa_info info = { .uuid = uuid };
struct lustre_capa_key *key;
int i, rc = 0;
if (!mds->mds_capa_keys)
RETURN(0);
+ OBD_FAIL_TIMEOUT(OBD_FAIL_MDS_SYNC_CAPA_SL, 5);
for (i = 0; i < 2; i++) {
key = &mds->mds_capa_keys[i];
DEBUG_CAPA_KEY(D_SEC, key, "propagate");
- rc = obd_set_info_async(mds->mds_osc_exp, strlen(KEY_CAPA_KEY),
- KEY_CAPA_KEY, sizeof(*key), key, NULL);
+ info.capa = key;
+ rc = obd_set_info_async(mds->mds_lov_exp, sizeof(KEY_CAPA_KEY),
+ KEY_CAPA_KEY, sizeof(info), &info, NULL);
if (rc) {
DEBUG_CAPA_KEY(D_ERROR, key,
"propagate failed (rc = %d) for", rc);
int rc = 0;
ENTRY;
- OBD_FREE(mlsi, sizeof(*mlsi));
+ OBD_FREE_PTR(mlsi);
LASSERT(obd);
LASSERT(watched);
uuid = &watched->u.cli.cl_target_uuid;
LASSERT(uuid);
- OBD_RACE(OBD_FAIL_MDS_LOV_SYNC_RACE);
+ cfs_down_read(&mds->mds_notify_lock);
+ if (obd->obd_stopping || obd->obd_fail)
+ GOTO(out, rc = -ENODEV);
+ OBD_RACE(OBD_FAIL_MDS_LOV_SYNC_RACE);
rc = mds_lov_update_mds(obd, watched, idx);
if (rc != 0) {
CERROR("%s failed at update_mds: %d\n", obd_uuid2str(uuid), rc);
GOTO(out, rc);
}
-
- mgi.group = FILTER_GROUP_MDS0 + mds->mds_id;
+ mgi.group = mdt_to_obd_objseq(mds->mds_id);
mgi.uuid = uuid;
- rc = obd_set_info_async(mds->mds_osc_exp, sizeof(KEY_MDS_CONN),
+ rc = obd_set_info_async(mds->mds_lov_exp, sizeof(KEY_MDS_CONN),
KEY_MDS_CONN, sizeof(mgi), &mgi, NULL);
if (rc != 0)
GOTO(out, rc);
/* propagate capability keys */
- rc = mds_propagate_capa_keys(mds);
+ rc = mds_propagate_capa_keys(mds, uuid);
if (rc)
GOTO(out, rc);
ctxt = llog_get_context(obd, LLOG_MDS_OST_ORIG_CTXT);
- if (!ctxt)
- RETURN(-ENODEV);
+ if (!ctxt)
+ GOTO(out, rc = -ENODEV);
OBD_FAIL_TIMEOUT(OBD_FAIL_MDS_LLOG_SYNC_TIMEOUT, 60);
-
- rc = llog_connect(ctxt, obd->u.mds.mds_lov_desc.ld_tgt_count,
- NULL, NULL, uuid);
+ rc = llog_connect(ctxt, NULL, NULL, uuid);
llog_ctxt_put(ctxt);
if (rc != 0) {
CERROR("%s failed at llog_origin_connect: %d\n",
LCONSOLE_INFO("MDS %s: %s now active, resetting orphans\n",
obd->obd_name, obd_uuid2str(uuid));
- /*
- * FIXME: this obd_stopping was useless,
- * since obd in mdt layer was set
- */
- if (obd->obd_stopping)
- GOTO(out, rc = -ENODEV);
rc = mds_lov_clear_orphans(mds, uuid);
if (rc != 0) {
GOTO(out, rc);
}
+#ifdef HAVE_QUOTA_SUPPORT
if (obd->obd_upcall.onu_owner) {
/*
* This is a hack for mds_notify->mdd_notify. When the mds obd
* in mdd is removed, This hack should be removed.
*/
- LASSERT(obd->obd_upcall.onu_upcall != NULL);
- rc = obd->obd_upcall.onu_upcall(NULL, NULL, 0,
- obd->obd_upcall.onu_owner);
+ LASSERT(obd->obd_upcall.onu_upcall != NULL);
+ rc = obd->obd_upcall.onu_upcall(obd, NULL, OBD_NOTIFY_QUOTA,
+ obd->obd_upcall.onu_owner,NULL);
}
+#endif
EXIT;
out:
+ cfs_up_read(&mds->mds_notify_lock);
if (rc) {
/* Deactivate it for safety */
CERROR("%s sync failed %d, deactivating\n", obd_uuid2str(uuid),
rc);
- if (!obd->obd_stopping && mds->mds_osc_obd &&
- !mds->mds_osc_obd->obd_stopping && !watched->obd_stopping)
- obd_notify(mds->mds_osc_obd, watched,
+ if (!obd->obd_stopping && mds->mds_lov_obd &&
+ !mds->mds_lov_obd->obd_stopping && !watched->obd_stopping)
+ obd_notify(mds->mds_lov_obd, watched,
OBD_NOTIFY_INACTIVE, NULL);
}
- class_decref(obd);
+ class_decref(obd, "mds_lov_synchronize", obd);
return rc;
}
char name[20];
snprintf(name, sizeof(name), "ll_sync_%02u", mlsi->mlsi_index);
- ptlrpc_daemonize(name);
+ cfs_daemonize_ctxt(name);
RETURN(__mds_lov_synchronize(data));
}
int mds_lov_start_synchronize(struct obd_device *obd,
struct obd_device *watched,
- void *data, int nonblock)
+ void *data, enum obd_notify_event ev)
{
struct mds_lov_sync_info *mlsi;
int rc;
- struct mds_obd *mds = &obd->u.mds;
struct obd_uuid *uuid;
ENTRY;
if (mlsi == NULL)
RETURN(-ENOMEM);
+ LASSERT(data);
mlsi->mlsi_obd = obd;
mlsi->mlsi_watched = watched;
- if (data)
- mlsi->mlsi_index = *(__u32 *)data;
- else
- mlsi->mlsi_index = mds_lov_get_idx(mds->mds_osc_exp, uuid);
+ mlsi->mlsi_index = *(__u32 *)data;
/* Although class_export_get(obd->obd_self_export) would lock
the MDS in place, since it's only a self-export
still disconnected. Taking an obd reference insures that we don't
disconnect the LOV. This of course means a cleanup won't
finish for as long as the sync is blocking. */
- class_incref(obd);
+ class_incref(obd, "mds_lov_synchronize", obd);
- if (nonblock) {
+ if (ev != OBD_NOTIFY_SYNC) {
/* Synchronize in the background */
- rc = cfs_kernel_thread(mds_lov_synchronize, mlsi,
- CLONE_VM | CLONE_FILES);
+ rc = cfs_create_thread(mds_lov_synchronize, mlsi,
+ CFS_DAEMON_FLAGS);
if (rc < 0) {
CERROR("%s: error starting mds_lov_synchronize: %d\n",
obd->obd_name, rc);
- class_decref(obd);
+ class_decref(obd, "mds_lov_synchronize", obd);
} else {
CDEBUG(D_HA, "%s: mds_lov_synchronize idx=%d "
"thread=%d\n", obd->obd_name,
int mds_notify(struct obd_device *obd, struct obd_device *watched,
enum obd_notify_event ev, void *data)
{
+ struct mds_obd *mds = &obd->u.mds;
int rc = 0;
ENTRY;
+ CDEBUG(D_CONFIG, "notify %s ev=%d\n", watched->obd_name, ev);
+
+ if (strcmp(watched->obd_type->typ_name, LUSTRE_OSC_NAME) != 0) {
+ CERROR("unexpected notification of %s %s!\n",
+ watched->obd_type->typ_name, watched->obd_name);
+ RETURN(-EINVAL);
+ }
+
+ /*XXX this notifies the MDD until lov handling use old mds code
+ * must non block!
+ */
+ if (obd->obd_upcall.onu_owner) {
+ LASSERT(obd->obd_upcall.onu_upcall != NULL);
+ rc = obd->obd_upcall.onu_upcall(obd, NULL, ev,
+ obd->obd_upcall.onu_owner,
+ &mds->mds_obt.obt_mount_count);
+ }
+
switch (ev) {
/* We only handle these: */
+ case OBD_NOTIFY_CREATE:
+ CWARN("MDS %s: add target %s\n",obd->obd_name,
+ obd_uuid2str(&watched->u.cli.cl_target_uuid));
+ /* We still have to fix the lov descriptor for ost's */
+ LASSERT(data);
+ rc = mds_lov_update_desc(obd, *(__u32 *)data,
+ &watched->u.cli.cl_target_uuid);
+ RETURN(rc);
case OBD_NOTIFY_ACTIVE:
+ /* lov want one or more _active_ targets for work */
+ /* activate event should be pass lov idx as argument */
case OBD_NOTIFY_SYNC:
case OBD_NOTIFY_SYNC_NONBLOCK:
+ /* sync event should be pass lov idx as argument */
break;
- case OBD_NOTIFY_CONFIG:
- mds_allow_cli(obd, (unsigned int)data);
default:
RETURN(0);
}
- CDEBUG(D_CONFIG, "notify %s ev=%d\n", watched->obd_name, ev);
- if (strcmp(watched->obd_type->typ_name, LUSTRE_OSC_NAME) != 0) {
- CERROR("unexpected notification of %s %s!\n",
- watched->obd_type->typ_name, watched->obd_name);
- RETURN(-EINVAL);
- }
-
if (obd->obd_recovering) {
CWARN("MDS %s: in recovery, not resetting orphans on %s\n",
obd->obd_name,
/* We still have to fix the lov descriptor for ost's added
after the mdt in the config log. They didn't make it into
mds_lov_connect. */
- mutex_down(&obd->obd_dev_sem);
- rc = mds_lov_update_desc(obd, obd->u.mds.mds_osc_exp);
- if (rc) {
- mutex_up(&obd->obd_dev_sem);
- RETURN(rc);
- }
- /* We should update init llog here too for replay unlink and
- * possiable llog init race when recovery complete */
- llog_cat_initialize(obd, &obd->obd_olg,
- obd->u.mds.mds_lov_desc.ld_tgt_count,
- &watched->u.cli.cl_target_uuid);
- mutex_up(&obd->obd_dev_sem);
- mds_allow_cli(obd, CONFIG_SYNC);
- RETURN(rc);
+ rc = mds_lov_update_desc(obd, *(__u32 *)data,
+ &watched->u.cli.cl_target_uuid);
+ } else {
+ rc = mds_lov_start_synchronize(obd, watched, data, ev);
}
-
- LASSERT(!llog_ctxt_null(obd, LLOG_MDS_OST_ORIG_CTXT));
- rc = mds_lov_start_synchronize(obd, watched, data,
- !(ev == OBD_NOTIFY_SYNC));
-
- lquota_recovery(mds_quota_interface_ref, obd);
-
RETURN(rc);
}
-
-/* Convert the on-disk LOV EA structre.
- * We always try to convert from an old LOV EA format to the common in-memory
- * (lsm) format (obd_unpackmd() understands the old on-disk (lmm) format) and
- * then convert back to the new on-disk format and save it back to disk
- * (obd_packmd() only ever saves to the new on-disk format) so we don't have
- * to convert it each time this inode is accessed.
- *
- * This function is a bit interesting in the error handling. We can safely
- * ship the old lmm to the client in case of failure, since it uses the same
- * obd_unpackmd() code and can do the conversion if the MDS fails for some
- * reason. We will not delete the old lmm data until we have written the
- * new format lmm data in fsfilt_set_md(). */
-int mds_convert_lov_ea(struct obd_device *obd, struct inode *inode,
- struct lov_mds_md *lmm, int lmm_size)
-{
- struct lov_stripe_md *lsm = NULL;
- void *handle;
- int rc, err;
- ENTRY;
-
- if (le32_to_cpu(lmm->lmm_magic) == LOV_MAGIC ||
- le32_to_cpu(lmm->lmm_magic == LOV_MAGIC_JOIN))
- RETURN(0);
-
- CDEBUG(D_INODE, "converting LOV EA on %lu/%u from %#08x to %#08x\n",
- inode->i_ino, inode->i_generation, le32_to_cpu(lmm->lmm_magic),
- LOV_MAGIC);
-
- rc = obd_unpackmd(obd->u.mds.mds_osc_exp, &lsm, lmm, lmm_size);
- if (rc < 0)
- GOTO(conv_end, rc);
-
- rc = obd_packmd(obd->u.mds.mds_osc_exp, &lmm, lsm);
- if (rc < 0)
- GOTO(conv_free, rc);
- lmm_size = rc;
-
- handle = fsfilt_start(obd, inode, FSFILT_OP_SETATTR, NULL);
- if (IS_ERR(handle)) {
- rc = PTR_ERR(handle);
- GOTO(conv_free, rc);
- }
-
- rc = fsfilt_set_md(obd, inode, handle, lmm, lmm_size, "lov");
-
- err = fsfilt_commit(obd, inode, handle, 0);
- if (!rc)
- rc = err ? err : lmm_size;
- GOTO(conv_free, rc);
-conv_free:
- obd_free_memmd(obd->u.mds.mds_osc_exp, &lsm);
-conv_end:
- return rc;
-}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff