-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2012, Whamcloud, Inc.
+ * Copyright (c) 2011, 2012, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
* Author: Nikita Danilov <nikita@clusterfs.com>
*/
-/*
- * oi uses two mechanisms to implement fid->cookie mapping:
- *
- * - persistent index, where cookie is a record and fid is a key, and
- *
- * - algorithmic mapping for "igif" fids.
- *
- */
-
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
#define DEBUG_SUBSYSTEM S_MDS
#include <linux/module.h>
/* fid_cpu_to_be() */
#include <lustre_fid.h>
+#include <dt_object.h>
#include "osd_oi.h"
/* osd_lookup(), struct osd_thread_info */
#include "osd_internal.h"
-#include "osd_igif.h"
-#include "dt_object.h"
-
-#define OSD_OI_FID_NR (1UL << OSD_OI_FID_OID_BITS)
-#define OSD_OI_FID_NR_MAX (1UL << OSD_OI_FID_OID_BITS_MAX)
+#include "osd_scrub.h"
static unsigned int osd_oi_count = OSD_OI_FID_NR;
CFS_MODULE_PARM(osd_oi_count, "i", int, 0444,
"it's only valid for new filesystem.");
/** to serialize concurrent OI index initialization */
-static cfs_mutex_t oi_init_lock;
+static struct mutex oi_init_lock;
static struct dt_index_features oi_feat = {
.dif_flags = DT_IND_UPDATE,
#define OSD_OI_NAME_BASE "oi.16"
+static void osd_oi_table_put(struct osd_thread_info *info,
+ struct osd_oi **oi_table, unsigned oi_count)
+{
+ struct iam_container *bag;
+ int i;
+
+ for (i = 0; i < oi_count; i++) {
+ if (oi_table[i] == NULL)
+ continue;
+
+ LASSERT(oi_table[i]->oi_inode != NULL);
+
+ bag = &(oi_table[i]->oi_dir.od_container);
+ if (bag->ic_object == oi_table[i]->oi_inode)
+ iam_container_fini(bag);
+ iput(oi_table[i]->oi_inode);
+ oi_table[i]->oi_inode = NULL;
+ OBD_FREE_PTR(oi_table[i]);
+ oi_table[i] = NULL;
+ }
+}
+
+static int osd_oi_index_create_one(struct osd_thread_info *info,
+ struct osd_device *osd, const char *name,
+ struct dt_index_features *feat)
+{
+ const struct lu_env *env = info->oti_env;
+ struct osd_inode_id *id = &info->oti_id;
+ struct buffer_head *bh;
+ struct inode *inode;
+ struct ldiskfs_dir_entry_2 *de;
+ struct dentry *dentry;
+ struct super_block *sb = osd_sb(osd);
+ struct inode *dir = sb->s_root->d_inode;
+ handle_t *jh;
+ int rc;
+
+ dentry = osd_child_dentry_by_inode(env, dir, name, strlen(name));
+ bh = osd_ldiskfs_find_entry(dir, dentry, &de, NULL);
+ if (bh) {
+ osd_id_gen(id, le32_to_cpu(de->inode), OSD_OII_NOGEN);
+ brelse(bh);
+ inode = osd_iget(info, osd, id);
+ if (!IS_ERR(inode)) {
+ iput(inode);
+ inode = ERR_PTR(-EEXIST);
+ }
+ return PTR_ERR(inode);
+ }
+
+ jh = ldiskfs_journal_start_sb(sb, 100);
+ if (IS_ERR(jh))
+ return PTR_ERR(jh);
+
+ inode = ldiskfs_create_inode(jh, dir, (S_IFREG | S_IRUGO | S_IWUSR));
+ if (IS_ERR(inode)) {
+ ldiskfs_journal_stop(jh);
+ return PTR_ERR(inode);
+ }
+
+ if (feat->dif_flags & DT_IND_VARKEY)
+ rc = iam_lvar_create(inode, feat->dif_keysize_max,
+ feat->dif_ptrsize, feat->dif_recsize_max,
+ jh);
+ else
+ rc = iam_lfix_create(inode, feat->dif_keysize_max,
+ feat->dif_ptrsize, feat->dif_recsize_max,
+ jh);
+ dentry = osd_child_dentry_by_inode(env, dir, name, strlen(name));
+ rc = osd_ldiskfs_add_entry(jh, dentry, inode, NULL);
+ ldiskfs_journal_stop(jh);
+ iput(inode);
+ return rc;
+}
+
+static struct inode *osd_oi_index_open(struct osd_thread_info *info,
+ struct osd_device *osd,
+ const char *name,
+ struct dt_index_features *f,
+ bool create)
+{
+ struct dentry *dentry;
+ struct inode *inode;
+ int rc;
+
+ dentry = ll_lookup_one_len(name, osd_sb(osd)->s_root, strlen(name));
+ if (IS_ERR(dentry))
+ return (void *) dentry;
+
+ if (dentry->d_inode) {
+ LASSERT(!is_bad_inode(dentry->d_inode));
+ inode = dentry->d_inode;
+ atomic_inc(&inode->i_count);
+ dput(dentry);
+ return inode;
+ }
+
+ /* create */
+ dput(dentry);
+ shrink_dcache_parent(osd_sb(osd)->s_root);
+ if (!create)
+ return ERR_PTR(-ENOENT);
+
+ rc = osd_oi_index_create_one(info, osd, name, f);
+ if (rc)
+ return ERR_PTR(rc);
+
+ dentry = ll_lookup_one_len(name, osd_sb(osd)->s_root, strlen(name));
+ if (IS_ERR(dentry))
+ return (void *) dentry;
+
+ if (dentry->d_inode) {
+ LASSERT(!is_bad_inode(dentry->d_inode));
+ inode = dentry->d_inode;
+ atomic_inc(&inode->i_count);
+ dput(dentry);
+ return inode;
+ }
+
+ return ERR_PTR(-ENOENT);
+}
+
/**
* Open an OI(Ojbect Index) container.
*
* \retval 0 success
* \retval -ve failure
*/
-static int
-osd_oi_open(struct osd_thread_info *info,
- struct dt_device *dev, char *name, struct dt_object **objp)
+static int osd_oi_open(struct osd_thread_info *info, struct osd_device *osd,
+ char *name, struct osd_oi **oi_slot, bool create)
{
- const struct lu_env *env = info->oti_env;
- struct dt_object *obj;
- int rc;
-
- obj = dt_store_open(env, dev, "", name, &info->oti_fid);
- if (IS_ERR(obj))
- return PTR_ERR(obj);
-
- oi_feat.dif_keysize_min = sizeof(info->oti_fid);
- oi_feat.dif_keysize_max = sizeof(info->oti_fid);
-
- rc = obj->do_ops->do_index_try(env, obj, &oi_feat);
- if (rc != 0) {
- lu_object_put(info->oti_env, &obj->do_lu);
- CERROR("%s: wrong index %s: rc = %d\n",
- dev->dd_lu_dev.ld_obd->obd_name, name, rc);
- return rc;
- }
+ struct osd_directory *dir;
+ struct iam_container *bag;
+ struct inode *inode;
+ struct osd_oi *oi;
+ int rc;
- *objp = obj;
- return 0;
-}
+ ENTRY;
+ oi_feat.dif_keysize_min = sizeof(struct lu_fid);
+ oi_feat.dif_keysize_max = sizeof(struct lu_fid);
-static void
-osd_oi_table_put(struct osd_thread_info *info,
- struct osd_oi *oi_table, unsigned oi_count)
-{
- int i;
+ inode = osd_oi_index_open(info, osd, name, &oi_feat, create);
+ if (IS_ERR(inode))
+ RETURN(PTR_ERR(inode));
+
+ ldiskfs_set_inode_state(inode, LDISKFS_STATE_LUSTRE_NO_OI);
+ OBD_ALLOC_PTR(oi);
+ if (oi == NULL)
+ GOTO(out_inode, rc = -ENOMEM);
- for (i = 0; i < oi_count; i++) {
- LASSERT(oi_table[i].oi_dir != NULL);
+ oi->oi_inode = inode;
+ dir = &oi->oi_dir;
- lu_object_put(info->oti_env, &oi_table[i].oi_dir->do_lu);
- oi_table[i].oi_dir = NULL;
- }
+ bag = &dir->od_container;
+ rc = iam_container_init(bag, &dir->od_descr, inode);
+ if (rc < 0)
+ GOTO(out_free, rc);
+
+ rc = iam_container_setup(bag);
+ if (rc < 0)
+ GOTO(out_container, rc);
+
+ *oi_slot = oi;
+ RETURN(0);
+
+out_container:
+ iam_container_fini(bag);
+out_free:
+ OBD_FREE_PTR(oi);
+out_inode:
+ iput(inode);
+ return rc;
}
/**
* success, or error code in failure.
*
* \param oi_count Number of expected OI containers
- * \param try_all Try to open all OIs even see failures
+ * \param create Create OIs if doesn't exist
*
* \retval +ve number of opened OI containers
* \retval 0 no OI containers found
* \retval -ve failure
*/
static int
-osd_oi_table_open(struct osd_thread_info *info, struct dt_device *dev,
- struct osd_oi *oi_table, unsigned oi_count, int try_all)
+osd_oi_table_open(struct osd_thread_info *info, struct osd_device *osd,
+ struct osd_oi **oi_table, unsigned oi_count, bool create)
{
- int count = 0;
- int rc = 0;
- int i;
+ struct scrub_file *sf = &osd->od_scrub.os_file;
+ int count = 0;
+ int rc = 0;
+ int i;
+ ENTRY;
+
+ /* NB: oi_count != 0 means that we have already created/known all OIs
+ * and have known exact number of OIs. */
+ LASSERT(oi_count <= OSD_OI_FID_NR_MAX);
+
+ for (i = 0; i < (oi_count != 0 ? oi_count : OSD_OI_FID_NR_MAX); i++) {
+ char name[12];
+
+ if (oi_table[i] != NULL) {
+ count++;
+ continue;
+ }
+
+ sprintf(name, "%s.%d", OSD_OI_NAME_BASE, i);
+ rc = osd_oi_open(info, osd, name, &oi_table[i], create);
+ if (rc == 0) {
+ count++;
+ continue;
+ }
+
+ if (rc == -ENOENT && create == false) {
+ if (oi_count == 0)
+ return count;
+
+ rc = 0;
+ ldiskfs_set_bit(i, sf->sf_oi_bitmap);
+ continue;
+ }
+
+ CERROR("%.16s: can't open %s: rc = %d\n",
+ LDISKFS_SB(osd_sb(osd))->s_es->s_volume_name, name, rc);
+ if (oi_count > 0)
+ CERROR("%.16s: expect to open total %d OI files.\n",
+ LDISKFS_SB(osd_sb(osd))->s_es->s_volume_name,
+ oi_count);
+ break;
+ }
+
+ if (rc < 0) {
+ osd_oi_table_put(info, oi_table, oi_count > 0 ? oi_count : i);
+ count = rc;
+ }
+
+ RETURN(count);
+}
- /* NB: oi_count != 0 means that we have already created/known all OIs
- * and have known exact number of OIs. */
- LASSERT(oi_count <= OSD_OI_FID_NR_MAX);
+int osd_oi_init(struct osd_thread_info *info, struct osd_device *osd)
+{
+ struct osd_scrub *scrub = &osd->od_scrub;
+ struct scrub_file *sf = &scrub->os_file;
+ struct osd_oi **oi;
+ int rc;
+ ENTRY;
+
+ OBD_ALLOC(oi, sizeof(*oi) * OSD_OI_FID_NR_MAX);
+ if (oi == NULL)
+ RETURN(-ENOMEM);
+
+ mutex_lock(&oi_init_lock);
+ /* try to open existing multiple OIs first */
+ rc = osd_oi_table_open(info, osd, oi, sf->sf_oi_count, false);
+ if (rc < 0)
+ GOTO(out, rc);
+
+ if (rc > 0) {
+ if (rc == sf->sf_oi_count || sf->sf_oi_count == 0)
+ GOTO(out, rc);
+
+ osd_scrub_file_reset(scrub,
+ LDISKFS_SB(osd_sb(osd))->s_es->s_uuid,
+ SF_RECREATED);
+ osd_oi_count = sf->sf_oi_count;
+ goto create;
+ }
+
+ /* if previous failed then try found single OI from old filesystem */
+ rc = osd_oi_open(info, osd, OSD_OI_NAME_BASE, &oi[0], false);
+ if (rc == 0) { /* found single OI from old filesystem */
+ GOTO(out, rc = 1);
+ } else if (rc != -ENOENT) {
+ CERROR("%.16s: can't open %s: rc = %d\n",
+ LDISKFS_SB(osd_sb(osd))->s_es->s_volume_name,
+ OSD_OI_NAME_BASE, rc);
+ GOTO(out, rc);
+ }
+
+ if (sf->sf_oi_count > 0) {
+ int i;
+
+ memset(sf->sf_oi_bitmap, 0, SCRUB_OI_BITMAP_SIZE);
+ for (i = 0; i < osd_oi_count; i++)
+ ldiskfs_set_bit(i, sf->sf_oi_bitmap);
+ osd_scrub_file_reset(scrub,
+ LDISKFS_SB(osd_sb(osd))->s_es->s_uuid,
+ SF_RECREATED);
+ }
+ sf->sf_oi_count = osd_oi_count;
+
+create:
+ rc = osd_scrub_file_store(scrub);
+ if (rc < 0) {
+ osd_oi_table_put(info, oi, sf->sf_oi_count);
+ GOTO(out, rc);
+ }
+
+ /* No OIs exist, new filesystem, create OI objects */
+ rc = osd_oi_table_open(info, osd, oi, osd_oi_count, true);
+ LASSERT(ergo(rc >= 0, rc == osd_oi_count));
+
+ GOTO(out, rc);
+
+out:
+ if (rc < 0) {
+ OBD_FREE(oi, sizeof(*oi) * OSD_OI_FID_NR_MAX);
+ } else {
+ LASSERT((rc & (rc - 1)) == 0);
+ osd->od_oi_table = oi;
+ osd->od_oi_count = rc;
+ rc = 0;
+ }
+
+ mutex_unlock(&oi_init_lock);
+ return rc;
+}
- for (i = 0; i < (oi_count != 0 ? oi_count : OSD_OI_FID_NR_MAX); i++) {
- char name[12];
+void osd_oi_fini(struct osd_thread_info *info, struct osd_device *osd)
+{
+ if (unlikely(osd->od_oi_table == NULL))
+ return;
- sprintf(name, "%s.%d", OSD_OI_NAME_BASE, i);
- rc = osd_oi_open(info, dev, name, &oi_table[i].oi_dir);
- if (rc == 0) {
- count++;
- continue;
- }
+ osd_oi_table_put(info, osd->od_oi_table, osd->od_oi_count);
- if (try_all)
- continue;
+ OBD_FREE(osd->od_oi_table,
+ sizeof(*(osd->od_oi_table)) * OSD_OI_FID_NR_MAX);
+ osd->od_oi_table = NULL;
+}
- if (rc == -ENOENT && oi_count == 0)
- return count;
+static inline int fid_is_fs_root(const struct lu_fid *fid)
+{
+ /* Map root inode to special local object FID */
+ return (unlikely(fid_seq(fid) == FID_SEQ_LOCAL_FILE &&
+ fid_oid(fid) == OSD_FS_ROOT_OID));
+}
- CERROR("%s: can't open %s: rc = %d\n",
- dev->dd_lu_dev.ld_obd->obd_name, name, rc);
+static int osd_oi_iam_lookup(struct osd_thread_info *oti,
+ struct osd_oi *oi, struct dt_rec *rec,
+ const struct dt_key *key)
+{
+ struct iam_container *bag;
+ struct iam_iterator *it = &oti->oti_idx_it;
+ struct iam_path_descr *ipd;
+ int rc;
+ ENTRY;
- if (oi_count > 0) {
- CERROR("%s: expect to open total %d OI files.\n",
- dev->dd_lu_dev.ld_obd->obd_name, oi_count);
- }
+ LASSERT(oi);
+ LASSERT(oi->oi_inode);
- break;
- }
+ bag = &oi->oi_dir.od_container;
+ ipd = osd_idx_ipd_get(oti->oti_env, bag);
+ if (IS_ERR(ipd))
+ RETURN(-ENOMEM);
- if (try_all)
- return count;
+ /* got ipd now we can start iterator. */
+ iam_it_init(it, bag, 0, ipd);
- if (rc < 0) {
- osd_oi_table_put(info, oi_table, count);
- return rc;
- }
+ rc = iam_it_get(it, (struct iam_key *)key);
+ if (rc > 0)
+ iam_reccpy(&it->ii_path.ip_leaf, (struct iam_rec *)rec);
+ iam_it_put(it);
+ iam_it_fini(it);
+ osd_ipd_put(oti->oti_env, bag, ipd);
- return count;
-}
+ LINVRNT(osd_invariant(obj));
-static int osd_oi_table_create(struct osd_thread_info *info,
- struct dt_device *dev,
- struct md_device *mdev, int oi_count)
-{
- const struct lu_env *env;
- struct md_object *mdo;
- int i;
-
- env = info->oti_env;
- for (i = 0; i < oi_count; ++i) {
- char name[12];
-
- sprintf(name, "%s.%d", OSD_OI_NAME_BASE, i);
-
- lu_local_obj_fid(&info->oti_fid, OSD_OI_FID_OID_FIRST + i);
- oi_feat.dif_keysize_min = sizeof(info->oti_fid);
- oi_feat.dif_keysize_max = sizeof(info->oti_fid);
-
- mdo = llo_store_create_index(env, mdev, dev, "", name,
- &info->oti_fid, &oi_feat);
- if (IS_ERR(mdo)) {
- CERROR("Failed to create OI[%d] on %s: %d\n",
- i, dev->dd_lu_dev.ld_obd->obd_name,
- (int)PTR_ERR(mdo));
- RETURN(PTR_ERR(mdo));
- }
-
- lu_object_put(env, &mdo->mo_lu);
- }
- return 0;
+ RETURN(rc);
}
-int osd_oi_init(struct osd_thread_info *info,
- struct osd_oi **oi_table,
- struct dt_device *dev,
- struct md_device *mdev)
+int fid_is_on_ost(struct osd_thread_info *info, struct osd_device *osd,
+ const struct lu_fid *fid)
{
- struct osd_oi *oi;
- int rc;
+ struct lu_seq_range *range = &info->oti_seq_range;
+ int rc;
+ ENTRY;
- OBD_ALLOC(oi, sizeof(*oi) * OSD_OI_FID_NR_MAX);
- if (oi == NULL)
- return -ENOMEM;
+ if (unlikely(fid_is_local_file(fid) || fid_is_igif(fid)))
+ RETURN(0);
- cfs_mutex_lock(&oi_init_lock);
+ if (fid_is_idif(fid) || fid_is_last_id(fid))
+ RETURN(1);
- rc = osd_oi_table_open(info, dev, oi, 0, 0);
- if (rc != 0)
- goto out;
+ rc = osd_fld_lookup(info->oti_env, osd, fid, range);
+ if (rc != 0) {
+ CERROR("%s: Can not lookup fld for "DFID"\n",
+ osd2lu_dev(osd)->ld_obd->obd_name, PFID(fid));
+ RETURN(rc);
+ }
- rc = osd_oi_open(info, dev, OSD_OI_NAME_BASE, &oi[0].oi_dir);
- if (rc == 0) { /* found single OI from old filesystem */
- rc = 1;
- goto out;
- }
+ CDEBUG(D_INFO, "fid "DFID" range "DRANGE"\n", PFID(fid),
+ PRANGE(range));
- if (rc != -ENOENT) {
- CERROR("%s: can't open %s: rc = %d\n",
- dev->dd_lu_dev.ld_obd->obd_name, OSD_OI_NAME_BASE, rc);
- goto out;
- }
+ if (range->lsr_flags == LU_SEQ_RANGE_OST)
+ RETURN(1);
- /* create OI objects */
- rc = osd_oi_table_create(info, dev, mdev, osd_oi_count);
- if (rc != 0)
- goto out;
-
- rc = osd_oi_table_open(info, dev, oi, osd_oi_count, 0);
- LASSERT(rc == osd_oi_count || rc < 0);
-
- out:
- if (rc < 0) {
- OBD_FREE(oi, sizeof(*oi) * OSD_OI_FID_NR_MAX);
- } else {
- LASSERT((rc & (rc - 1)) == 0);
- *oi_table = oi;
- }
+ RETURN(0);
+}
- cfs_mutex_unlock(&oi_init_lock);
- return rc;
+int __osd_oi_lookup(struct osd_thread_info *info, struct osd_device *osd,
+ const struct lu_fid *fid, struct osd_inode_id *id)
+{
+ struct lu_fid *oi_fid = &info->oti_fid2;
+ int rc;
+
+ fid_cpu_to_be(oi_fid, fid);
+ rc = osd_oi_iam_lookup(info, osd_fid2oi(osd, fid), (struct dt_rec *)id,
+ (const struct dt_key *)oi_fid);
+ if (rc > 0) {
+ osd_id_unpack(id, id);
+ rc = 0;
+ } else if (rc == 0) {
+ rc = -ENOENT;
+ }
+ return rc;
}
-void osd_oi_fini(struct osd_thread_info *info,
- struct osd_oi **oi_table, unsigned oi_count)
+int osd_oi_lookup(struct osd_thread_info *info, struct osd_device *osd,
+ const struct lu_fid *fid, struct osd_inode_id *id,
+ bool check_fld)
{
- struct osd_oi *oi = *oi_table;
+ if (unlikely(fid_is_last_id(fid)))
+ return osd_obj_spec_lookup(info, osd, fid, id);
+
+ if ((check_fld && fid_is_on_ost(info, osd, fid)) || fid_is_llog(fid))
+ return osd_obj_map_lookup(info, osd, fid, id);
+
+ if (fid_is_fs_root(fid)) {
+ osd_id_gen(id, osd_sb(osd)->s_root->d_inode->i_ino,
+ osd_sb(osd)->s_root->d_inode->i_generation);
+ return 0;
+ }
- osd_oi_table_put(info, oi, oi_count);
+ if (unlikely(fid_is_acct(fid)))
+ return osd_acct_obj_lookup(info, osd, fid, id);
- OBD_FREE(oi, sizeof(*oi) * OSD_OI_FID_NR_MAX);
- *oi_table = NULL;
+ return __osd_oi_lookup(info, osd, fid, id);
}
-int osd_oi_lookup(struct osd_thread_info *info, struct osd_oi *oi,
- const struct lu_fid *fid, struct osd_inode_id *id)
+static int osd_oi_iam_refresh(struct osd_thread_info *oti, struct osd_oi *oi,
+ const struct dt_rec *rec, const struct dt_key *key,
+ struct thandle *th, bool insert)
{
- struct lu_fid *oi_fid = &info->oti_fid;
- int rc;
-
- if (osd_fid_is_igif(fid)) {
- lu_igif_to_id(fid, id);
- rc = 0;
- } else {
- struct dt_object *idx;
- const struct dt_key *key;
-
- if (!fid_is_norm(fid))
- return -ENOENT;
-
- idx = oi->oi_dir;
- fid_cpu_to_be(oi_fid, fid);
- key = (struct dt_key *) oi_fid;
- rc = idx->do_index_ops->dio_lookup(info->oti_env, idx,
- (struct dt_rec *)id, key,
- BYPASS_CAPA);
- if (rc > 0) {
- id->oii_ino = be32_to_cpu(id->oii_ino);
- id->oii_gen = be32_to_cpu(id->oii_gen);
- rc = 0;
- } else if (rc == 0)
- rc = -ENOENT;
- }
- return rc;
+ struct iam_container *bag;
+ struct iam_path_descr *ipd;
+ struct osd_thandle *oh;
+ int rc;
+ ENTRY;
+
+ LASSERT(oi);
+ LASSERT(oi->oi_inode);
+ ll_vfs_dq_init(oi->oi_inode);
+
+ bag = &oi->oi_dir.od_container;
+ ipd = osd_idx_ipd_get(oti->oti_env, bag);
+ if (unlikely(ipd == NULL))
+ RETURN(-ENOMEM);
+
+ oh = container_of0(th, struct osd_thandle, ot_super);
+ LASSERT(oh->ot_handle != NULL);
+ LASSERT(oh->ot_handle->h_transaction != NULL);
+ if (insert)
+ rc = iam_insert(oh->ot_handle, bag, (const struct iam_key *)key,
+ (const struct iam_rec *)rec, ipd);
+ else
+ rc = iam_update(oh->ot_handle, bag, (const struct iam_key *)key,
+ (const struct iam_rec *)rec, ipd);
+ osd_ipd_put(oti->oti_env, bag, ipd);
+ LINVRNT(osd_invariant(obj));
+ RETURN(rc);
+}
+
+int osd_oi_insert(struct osd_thread_info *info, struct osd_device *osd,
+ const struct lu_fid *fid, const struct osd_inode_id *id,
+ struct thandle *th)
+{
+ struct lu_fid *oi_fid = &info->oti_fid2;
+ struct osd_inode_id *oi_id = &info->oti_id2;
+ int rc = 0;
+
+ if (unlikely(fid_is_last_id(fid)))
+ return osd_obj_spec_insert(info, osd, fid, id, th);
+
+ if (fid_is_on_ost(info, osd, fid) || fid_is_llog(fid))
+ return osd_obj_map_insert(info, osd, fid, id, th);
+
+ fid_cpu_to_be(oi_fid, fid);
+ osd_id_pack(oi_id, id);
+ rc = osd_oi_iam_refresh(info, osd_fid2oi(osd, fid),
+ (const struct dt_rec *)oi_id,
+ (const struct dt_key *)oi_fid, th, true);
+ if (rc != 0) {
+ struct inode *inode;
+ struct lustre_mdt_attrs *lma = &info->oti_mdt_attrs;
+
+ if (rc != -EEXIST)
+ return rc;
+
+ rc = osd_oi_lookup(info, osd, fid, oi_id, false);
+ if (unlikely(rc != 0))
+ return rc;
+
+ if (osd_id_eq(id, oi_id)) {
+ CERROR("%.16s: the FID "DFID" is there already:%u/%u\n",
+ LDISKFS_SB(osd_sb(osd))->s_es->s_volume_name,
+ PFID(fid), id->oii_ino, id->oii_gen);
+ return -EEXIST;
+ }
+
+ /* Check whether the mapping for oi_id is valid or not. */
+ inode = osd_iget(info, osd, oi_id);
+ if (IS_ERR(inode)) {
+ rc = PTR_ERR(inode);
+ if (rc == -ENOENT || rc == -ESTALE)
+ goto update;
+ return rc;
+ }
+
+ rc = osd_get_lma(info, inode, &info->oti_obj_dentry, lma);
+ iput(inode);
+ if (rc == -ENODATA)
+ goto update;
+
+ if (rc != 0)
+ return rc;
+
+ if (lu_fid_eq(fid, &lma->lma_self_fid)) {
+ CERROR("%.16s: the FID "DFID" is used by two objects: "
+ "%u/%u %u/%u\n",
+ LDISKFS_SB(osd_sb(osd))->s_es->s_volume_name,
+ PFID(fid), oi_id->oii_ino, oi_id->oii_gen,
+ id->oii_ino, id->oii_gen);
+ return -EEXIST;
+ }
+
+update:
+ osd_id_pack(oi_id, id);
+ rc = osd_oi_iam_refresh(info, osd_fid2oi(osd, fid),
+ (const struct dt_rec *)oi_id,
+ (const struct dt_key *)oi_fid, th, false);
+ if (rc != 0)
+ return rc;
+ }
+
+ if (unlikely(fid_seq(fid) == FID_SEQ_LOCAL_FILE))
+ rc = osd_obj_spec_insert(info, osd, fid, id, th);
+ return rc;
}
-int osd_oi_insert(struct osd_thread_info *info, struct osd_oi *oi,
- const struct lu_fid *fid, const struct osd_inode_id *id0,
- struct thandle *th, int ignore_quota)
+static int osd_oi_iam_delete(struct osd_thread_info *oti, struct osd_oi *oi,
+ const struct dt_key *key, struct thandle *handle)
{
- struct lu_fid *oi_fid = &info->oti_fid;
- struct dt_object *idx;
- struct osd_inode_id *id;
- const struct dt_key *key;
-
- if (!fid_is_norm(fid))
- return 0;
-
- idx = oi->oi_dir;
- fid_cpu_to_be(oi_fid, fid);
- key = (struct dt_key *) oi_fid;
-
- id = &info->oti_id;
- id->oii_ino = cpu_to_be32(id0->oii_ino);
- id->oii_gen = cpu_to_be32(id0->oii_gen);
- return idx->do_index_ops->dio_insert(info->oti_env, idx,
- (struct dt_rec *)id,
- key, th, BYPASS_CAPA,
- ignore_quota);
+ struct iam_container *bag;
+ struct iam_path_descr *ipd;
+ struct osd_thandle *oh;
+ int rc;
+ ENTRY;
+
+ LASSERT(oi);
+ LASSERT(oi->oi_inode);
+ ll_vfs_dq_init(oi->oi_inode);
+
+ bag = &oi->oi_dir.od_container;
+ ipd = osd_idx_ipd_get(oti->oti_env, bag);
+ if (unlikely(ipd == NULL))
+ RETURN(-ENOMEM);
+
+ oh = container_of0(handle, struct osd_thandle, ot_super);
+ LASSERT(oh->ot_handle != NULL);
+ LASSERT(oh->ot_handle->h_transaction != NULL);
+
+ rc = iam_delete(oh->ot_handle, bag, (const struct iam_key *)key, ipd);
+ osd_ipd_put(oti->oti_env, bag, ipd);
+ LINVRNT(osd_invariant(obj));
+ RETURN(rc);
}
int osd_oi_delete(struct osd_thread_info *info,
- struct osd_oi *oi, const struct lu_fid *fid,
- struct thandle *th)
+ struct osd_device *osd, const struct lu_fid *fid,
+ struct thandle *th)
{
- struct lu_fid *oi_fid = &info->oti_fid;
- struct dt_object *idx;
- const struct dt_key *key;
-
- if (!fid_is_norm(fid))
- return 0;
-
- idx = oi->oi_dir;
- fid_cpu_to_be(oi_fid, fid);
- key = (struct dt_key *) oi_fid;
- return idx->do_index_ops->dio_delete(info->oti_env, idx,
- key, th, BYPASS_CAPA);
+ struct lu_fid *oi_fid = &info->oti_fid2;
+
+ if (fid_is_last_id(fid))
+ return 0;
+
+ if (fid_is_on_ost(info, osd, fid) || fid_is_llog(fid))
+ return osd_obj_map_delete(info, osd, fid, th);
+
+ fid_cpu_to_be(oi_fid, fid);
+ return osd_oi_iam_delete(info, osd_fid2oi(osd, fid),
+ (const struct dt_key *)oi_fid, th);
}
-int osd_oi_mod_init()
+int osd_oi_mod_init(void)
{
if (osd_oi_count == 0 || osd_oi_count > OSD_OI_FID_NR_MAX)
osd_oi_count = OSD_OI_FID_NR;
osd_oi_count = size_roundup_power2(osd_oi_count);
}
- cfs_mutex_init(&oi_init_lock);
+ mutex_init(&oi_init_lock);
return 0;
}