static inline void
osd_push_ctxt(const struct lu_env *env, struct osd_ctxt *save)
{
- struct md_ucred *uc = md_ucred(env);
- struct cred *tc;
+ struct md_ucred *uc = md_ucred(env);
+ struct cred *tc;
LASSERT(uc != NULL);
/*
* retrieve object from backend ext fs.
**/
-static struct inode *osd_iget(struct osd_thread_info *info,
- struct osd_device *dev,
- const struct osd_inode_id *id)
+struct inode *osd_iget(struct osd_thread_info *info,
+ struct osd_device *dev,
+ const struct osd_inode_id *id)
{
struct inode *inode = NULL;
ENTRY;
info = osd_oti_get(env);
+ LASSERT(info);
dev = osd_dev(ldev);
id = &info->oti_id;
if (OBD_FAIL_CHECK(OBD_FAIL_OST_ENOENT))
RETURN(-ENOENT);
- result = osd_oi_lookup(info, osd_fid2oi(dev, fid), fid, id);
+ result = osd_oi_lookup(info, dev, fid, id);
if (result != 0) {
if (result == -ENOENT)
result = 0;
- goto out;
+ GOTO(out, result);
}
inode = osd_iget(info, dev, id);
* place holders for objects yet to be created.
*/
result = PTR_ERR(inode);
- goto out;
+ GOTO(out, result);
}
obj->oo_inode = inode;
}
out:
LINVRNT(osd_invariant(obj));
-
RETURN(result);
}
OBD_FREE_PTR(obj);
}
-/**
- * IAM Iterator
- */
-static struct iam_path_descr *osd_it_ipd_get(const struct lu_env *env,
- const struct iam_container *bag)
-{
- return bag->ic_descr->id_ops->id_ipd_alloc(bag,
- osd_oti_get(env)->oti_it_ipd);
-}
-
-static struct iam_path_descr *osd_idx_ipd_get(const struct lu_env *env,
- const struct iam_container *bag)
-{
- return bag->ic_descr->id_ops->id_ipd_alloc(bag,
- osd_oti_get(env)->oti_idx_ipd);
-}
-
-static void osd_ipd_put(const struct lu_env *env,
- const struct iam_container *bag,
- struct iam_path_descr *ipd)
-{
- bag->ic_descr->id_ops->id_ipd_free(ipd);
-}
-
/*
* Concurrency: no concurrent access is possible that late in object
* life-cycle.
return 0;
}
-static struct dentry * osd_child_dentry_get(const struct lu_env *env,
- struct osd_object *obj,
- const char *name,
- const int namelen)
+struct dentry *osd_child_dentry_get(const struct lu_env *env,
+ struct osd_object *obj,
+ const char *name, const int namelen)
{
- struct osd_thread_info *info = osd_oti_get(env);
- struct dentry *child_dentry = &info->oti_child_dentry;
- struct dentry *obj_dentry = &info->oti_obj_dentry;
-
- obj_dentry->d_inode = obj->oo_inode;
- obj_dentry->d_sb = osd_sb(osd_obj2dev(obj));
- obj_dentry->d_name.hash = 0;
-
- child_dentry->d_name.hash = 0;
- child_dentry->d_parent = obj_dentry;
- child_dentry->d_name.name = name;
- child_dentry->d_name.len = namelen;
- return child_dentry;
+ return osd_child_dentry_by_inode(env, obj->oo_inode, name, namelen);
}
-
static int osd_mkfile(struct osd_thread_info *info, struct osd_object *obj,
cfs_umode_t mode,
struct dt_allocation_hint *hint,
id->oii_ino = obj->oo_inode->i_ino;
id->oii_gen = obj->oo_inode->i_generation;
- return osd_oi_insert(info, osd_fid2oi(osd, fid), fid, id, th,
+ return osd_oi_insert(info, osd, fid, id, th,
uc->mu_cap & CFS_CAP_SYS_RESOURCE_MASK);
}
OSD_EXEC_OP(th, destroy);
- result = osd_oi_delete(osd_oti_get(env),
- osd_fid2oi(osd, fid), fid, th);
+ result = osd_oi_delete(osd_oti_get(env), osd, fid, th);
/* XXX: add to ext3 orphan list */
/* rc = ext3_orphan_add(handle_t *handle, struct inode *inode) */
}
/**
- * Helper function to pack the fid, ldiskfs stores fid in packed format.
- */
-void osd_fid_pack(struct osd_fid_pack *pack, const struct dt_rec *fid,
- struct lu_fid *befider)
-{
- fid_cpu_to_be(befider, (struct lu_fid *)fid);
- memcpy(pack->fp_area, befider, sizeof(*befider));
- pack->fp_len = sizeof(*befider) + 1;
-}
-
-/**
* ldiskfs supports fid in dirent, it is passed in dentry->d_fsdata.
* lustre 1.8 also uses d_fsdata for passing other info to ldiskfs.
* To have compatilibility with 1.8 ldiskfs driver we need to have
(struct lu_fid *)fid);
}
-int osd_fid_unpack(struct lu_fid *fid, const struct osd_fid_pack *pack)
-{
- int result;
-
- result = 0;
- switch (pack->fp_len) {
- case sizeof *fid + 1:
- memcpy(fid, pack->fp_area, sizeof *fid);
- fid_be_to_cpu(fid, fid);
- break;
- default:
- CERROR("Unexpected packed fid size: %d\n", pack->fp_len);
- result = -EIO;
- }
- return result;
-}
-
/**
* Try to read the fid from inode ea into dt_rec, if return value
* i.e. rc is +ve, then we got fid, otherwise we will have to form igif
o->od_obj_area = NULL;
}
if (o->od_oi_table != NULL)
- osd_oi_fini(info, &o->od_oi_table, o->od_oi_count);
+ osd_oi_fini(info, o);
if (o->od_fsops) {
fsfilt_put_ops(o->od_fsops);
ENTRY;
/* 1. initialize oi before any file create or file open */
- result = osd_oi_init(oti, &osd->od_oi_table,
- &osd->od_dt_dev, lu2md_dev(pdev));
+ result = osd_oi_init(oti, osd);
if (result < 0)
RETURN(result);
- LASSERT(result > 0);
- osd->od_oi_count = result;
+ if (!lu_device_is_md(pdev))
+ RETURN(0);
lmi = osd->od_mount;
lsi = s2lsi(lmi->lmi_sb);
struct iam_descr od_descr;
};
+/*
+ * Object Index (oi) instance.
+ */
+struct osd_oi {
+ /*
+ * underlying index object, where fid->id mapping in stored.
+ */
+ struct inode *oi_inode;
+ struct osd_directory oi_dir;
+};
+
+extern const int osd_dto_credits_noquota[];
+
struct osd_object {
struct dt_object oo_dt;
/**
*/
struct dt_object *od_obj_area;
/* object index */
- struct osd_oi *od_oi_table;
+ struct osd_oi **od_oi_table;
/* total number of OI containers */
int od_oi_count;
/*
struct lustre_capa *capa, __u64 opc);
void osd_declare_qid(struct dt_object *dt, struct osd_thandle *oh,
int type, uid_t id, struct inode *inode);
+struct inode *osd_iget(struct osd_thread_info *info,
+ struct osd_device *dev,
+ const struct osd_inode_id *id);
int generic_error_remove_page(struct address_space *mapping,
struct page *page);
return fid_is_igif(fid) || osd_fid_is_root(fid);
}
-static inline struct osd_oi *
-osd_fid2oi(struct osd_device *osd, const struct lu_fid *fid)
+static inline struct osd_oi *osd_fid2oi(struct osd_device *osd,
+ const struct lu_fid *fid)
{
if (!fid_is_norm(fid))
return NULL;
LASSERT(osd->od_oi_table != NULL && osd->od_oi_count >= 1);
/* It can work even od_oi_count equals to 1 although it's unexpected,
* the only reason we set it to 1 is for performance measurement */
- return &osd->od_oi_table[fid->f_seq & (osd->od_oi_count - 1)];
+ return osd->od_oi_table[fid->f_seq & (osd->od_oi_count - 1)];
}
-/*
- * Helpers.
- */
extern const struct lu_device_operations osd_lu_ops;
static inline int lu_device_is_osd(const struct lu_device *d)
extern const struct dt_body_operations osd_body_ops_new;
+/**
+ * IAM Iterator
+ */
+static inline
+struct iam_path_descr *osd_it_ipd_get(const struct lu_env *env,
+ const struct iam_container *bag)
+{
+ return bag->ic_descr->id_ops->id_ipd_alloc(bag,
+ osd_oti_get(env)->oti_it_ipd);
+}
+
+static inline
+struct iam_path_descr *osd_idx_ipd_get(const struct lu_env *env,
+ const struct iam_container *bag)
+{
+ return bag->ic_descr->id_ops->id_ipd_alloc(bag,
+ osd_oti_get(env)->oti_idx_ipd);
+}
+
+static inline void osd_ipd_put(const struct lu_env *env,
+ const struct iam_container *bag,
+ struct iam_path_descr *ipd)
+{
+ bag->ic_descr->id_ops->id_ipd_free(ipd);
+}
+
+static inline
+struct dentry *osd_child_dentry_by_inode(const struct lu_env *env,
+ struct inode *inode,
+ const char *name, const int namelen)
+{
+ struct osd_thread_info *info = osd_oti_get(env);
+ struct dentry *child_dentry = &info->oti_child_dentry;
+ struct dentry *obj_dentry = &info->oti_obj_dentry;
+
+ obj_dentry->d_inode = inode;
+ obj_dentry->d_sb = inode->i_sb;
+ obj_dentry->d_name.hash = 0;
+
+ child_dentry->d_name.hash = 0;
+ child_dentry->d_parent = obj_dentry;
+ child_dentry->d_name.name = name;
+ child_dentry->d_name.len = namelen;
+ return child_dentry;
+}
+
+/**
+ * Helper function to pack the fid, ldiskfs stores fid in packed format.
+ */
+static inline
+void osd_fid_pack(struct osd_fid_pack *pack, const struct dt_rec *fid,
+ struct lu_fid *befider)
+{
+ fid_cpu_to_be(befider, (struct lu_fid *)fid);
+ memcpy(pack->fp_area, befider, sizeof(*befider));
+ pack->fp_len = sizeof(*befider) + 1;
+}
+
+static inline
+int osd_fid_unpack(struct lu_fid *fid, const struct osd_fid_pack *pack)
+{
+ int result;
+
+ result = 0;
+ switch (pack->fp_len) {
+ case sizeof *fid + 1:
+ memcpy(fid, pack->fp_area, sizeof *fid);
+ fid_be_to_cpu(fid, fid);
+ break;
+ default:
+ CERROR("Unexpected packed fid size: %d\n", pack->fp_len);
+ result = -EIO;
+ }
+ return result;
+}
+
#endif /* __KERNEL__ */
#endif /* _OSD_INTERNAL_H */
#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++) {
+ LASSERT(oi_table[i] != NULL);
+ 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]);
+ }
+}
+
+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 inode *dir;
+ handle_t *jh;
+ int rc;
+
+ dentry = osd_child_dentry_by_inode(env, osd_sb(osd)->s_root->d_inode,
+ name, strlen(name));
+ dir = osd_sb(osd)->s_root->d_inode;
+ bh = osd_ldiskfs_find_entry(dir, dentry, &de, NULL);
+ if (bh) {
+ brelse(bh);
+
+ id->oii_ino = le32_to_cpu(de->inode);
+ id->oii_gen = OSD_OII_NOGEN;
+
+ inode = osd_iget(info, osd, id);
+ if (!IS_ERR(inode)) {
+ iput(inode);
+ RETURN(-EEXIST);
+ }
+ RETURN(PTR_ERR(inode));
+ }
+
+ jh = ldiskfs_journal_start_sb(osd_sb(osd), 100);
+ LASSERT(!IS_ERR(jh));
+
+ inode = ldiskfs_create_inode(jh, osd_sb(osd)->s_root->d_inode,
+ (S_IFREG | S_IRUGO | S_IWUSR));
+ LASSERT(!IS_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, osd_sb(osd)->s_root->d_inode,
+ name, strlen(name));
+ rc = osd_ldiskfs_add_entry(jh, dentry, inode, NULL);
+ LASSERT(rc == 0);
+
+ 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;
+ struct osd_directory *dir;
+ struct iam_container *bag;
+ struct inode *inode;
+ struct osd_oi *oi;
+ int rc;
- obj = dt_store_open(env, dev, "", name, &info->oti_fid);
- if (IS_ERR(obj))
- return PTR_ERR(obj);
+ ENTRY;
- oi_feat.dif_keysize_min = sizeof(info->oti_fid);
- oi_feat.dif_keysize_max = sizeof(info->oti_fid);
+ oi_feat.dif_keysize_min = sizeof(struct lu_fid);
+ oi_feat.dif_keysize_max = sizeof(struct lu_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;
- }
+ inode = osd_oi_index_open(info, osd, name, &oi_feat, create);
+ if (IS_ERR(inode))
+ RETURN(PTR_ERR(inode));
- *objp = obj;
- return 0;
-}
+ OBD_ALLOC_PTR(oi);
+ if (oi == NULL)
+ GOTO(out_inode, rc = -ENOMEM);
+ oi->oi_inode = inode;
+ dir = &oi->oi_dir;
-static void
-osd_oi_table_put(struct osd_thread_info *info,
- struct osd_oi *oi_table, unsigned oi_count)
-{
- int i;
+ bag = &dir->od_container;
+ rc = iam_container_init(bag, &dir->od_descr, inode);
+ if (rc < 0)
+ GOTO(out_free, rc);
- for (i = 0; i < oi_count; i++) {
- LASSERT(oi_table[i].oi_dir != NULL);
+ rc = iam_container_setup(bag);
+ if (rc < 0)
+ GOTO(out_container, rc);
- lu_object_put(info->oti_env, &oi_table[i].oi_dir->do_lu);
- oi_table[i].oi_dir = NULL;
- }
+ *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 dt_device *dev = &osd->od_dt_dev;
+ int count = 0;
+ int rc = 0;
+ int i;
/* NB: oi_count != 0 means that we have already created/known all OIs
* and have known exact number of OIs. */
char name[12];
sprintf(name, "%s.%d", OSD_OI_NAME_BASE, i);
- rc = osd_oi_open(info, dev, name, &oi_table[i].oi_dir);
+ rc = osd_oi_open(info, osd, name, &oi_table[i], create);
if (rc == 0) {
count++;
continue;
}
- if (try_all)
- continue;
-
if (rc == -ENOENT && oi_count == 0)
return count;
CERROR("%s: can't open %s: rc = %d\n",
dev->dd_lu_dev.ld_obd->obd_name, name, rc);
-
if (oi_count > 0) {
CERROR("%s: expect to open total %d OI files.\n",
dev->dd_lu_dev.ld_obd->obd_name, oi_count);
}
-
break;
}
- if (try_all)
- return count;
-
if (rc < 0) {
osd_oi_table_put(info, oi_table, count);
return rc;
return count;
}
-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;
-}
-
-int osd_oi_init(struct osd_thread_info *info,
- struct osd_oi **oi_table,
- struct dt_device *dev,
- struct md_device *mdev)
+int osd_oi_init(struct osd_thread_info *info, struct osd_device *osd)
{
- struct osd_oi *oi;
- int rc;
+ struct dt_device *dev = &osd->od_dt_dev;
+ struct osd_oi **oi;
+ int rc;
OBD_ALLOC(oi, sizeof(*oi) * OSD_OI_FID_NR_MAX);
if (oi == NULL)
return -ENOMEM;
cfs_mutex_lock(&oi_init_lock);
-
- rc = osd_oi_table_open(info, dev, oi, 0, 0);
+ /* try to open existing multiple OIs first */
+ rc = osd_oi_table_open(info, osd, oi, 0, false);
if (rc != 0)
goto out;
- rc = osd_oi_open(info, dev, OSD_OI_NAME_BASE, &oi[0].oi_dir);
+ /* 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 */
rc = 1;
goto out;
- }
-
- if (rc != -ENOENT) {
+ } else 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;
}
- /* 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:
+ /* 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));
+out:
if (rc < 0) {
OBD_FREE(oi, sizeof(*oi) * OSD_OI_FID_NR_MAX);
} else {
LASSERT((rc & (rc - 1)) == 0);
- *oi_table = oi;
+ osd->od_oi_table = oi;
+ osd->od_oi_count = rc;
+ rc = 0;
}
cfs_mutex_unlock(&oi_init_lock);
return rc;
}
-void osd_oi_fini(struct osd_thread_info *info,
- struct osd_oi **oi_table, unsigned oi_count)
+void osd_oi_fini(struct osd_thread_info *info, struct osd_device *osd)
{
- struct osd_oi *oi = *oi_table;
+ osd_oi_table_put(info, osd->od_oi_table, osd->od_oi_count);
- osd_oi_table_put(info, oi, oi_count);
+ OBD_FREE(osd->od_oi_table,
+ sizeof(*(osd->od_oi_table)) * OSD_OI_FID_NR_MAX);
+ osd->od_oi_table = NULL;
+}
- OBD_FREE(oi, sizeof(*oi) * OSD_OI_FID_NR_MAX);
- *oi_table = NULL;
+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));
}
-int osd_oi_lookup(struct osd_thread_info *info, struct osd_oi *oi,
+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_rec *iam_rec;
+ struct iam_path_descr *ipd;
+ int rc;
+ ENTRY;
+
+ LASSERT(oi);
+ LASSERT(oi->oi_inode);
+
+ bag = &oi->oi_dir.od_container;
+ ipd = osd_idx_ipd_get(oti->oti_env, bag);
+ if (IS_ERR(ipd))
+ RETURN(-ENOMEM);
+
+ /* got ipd now we can start iterator. */
+ iam_it_init(it, bag, 0, ipd);
+
+ rc = iam_it_get(it, (struct iam_key *)key);
+ if (rc >= 0) {
+ if (S_ISDIR(oi->oi_inode->i_mode))
+ iam_rec = (struct iam_rec *)oti->oti_ldp;
+ else
+ iam_rec = (struct iam_rec *)rec;
+
+ iam_reccpy(&it->ii_path.ip_leaf, (struct iam_rec *)iam_rec);
+ if (S_ISDIR(oi->oi_inode->i_mode))
+ osd_fid_unpack((struct lu_fid *)rec,
+ (struct osd_fid_pack *)iam_rec);
+ }
+ iam_it_put(it);
+ iam_it_fini(it);
+ osd_ipd_put(oti->oti_env, bag, ipd);
+
+ LINVRNT(osd_invariant(obj));
+
+ 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_fid;
- int rc;
+ struct lu_fid *oi_fid = &info->oti_fid;
+ const struct dt_key *key;
+ int rc = 0;
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);
+
+ rc = osd_oi_iam_lookup(info, osd_fid2oi(osd, fid),
+ (struct dt_rec *)id, key);
+
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)
+ } else if (rc == 0) {
rc = -ENOENT;
+ }
}
return rc;
}
-int osd_oi_insert(struct osd_thread_info *info, struct osd_oi *oi,
+static int osd_oi_iam_insert(struct osd_thread_info *oti, struct osd_oi *oi,
+ const struct dt_rec *rec, const struct dt_key *key,
+ struct thandle *th, int ignore_quota)
+{
+ struct iam_container *bag;
+ struct iam_rec *iam_rec = (struct iam_rec *)oti->oti_ldp;
+ struct iam_path_descr *ipd;
+ struct osd_thandle *oh;
+ int rc;
+#ifdef HAVE_QUOTA_SUPPORT
+ cfs_cap_t save = cfs_curproc_cap_pack();
+#endif
+ ENTRY;
+
+ LASSERT(oi);
+ LASSERT(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);
+#ifdef HAVE_QUOTA_SUPPORT
+ if (ignore_quota)
+ cfs_cap_raise(CFS_CAP_SYS_RESOURCE);
+ else
+ cfs_cap_lower(CFS_CAP_SYS_RESOURCE);
+#endif
+ if (S_ISDIR(oi->oi_inode->i_mode))
+ osd_fid_pack((struct osd_fid_pack *)iam_rec, rec,
+ &oti->oti_fid);
+ else
+ iam_rec = (struct iam_rec *) rec;
+ rc = iam_insert(oh->ot_handle, bag, (const struct iam_key *)key,
+ iam_rec, ipd);
+#ifdef HAVE_QUOTA_SUPPORT
+ cfs_curproc_cap_unpack(save);
+#endif
+ 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 *id0,
struct thandle *th, int ignore_quota)
{
- struct lu_fid *oi_fid = &info->oti_fid;
- struct dt_object *idx;
+ struct lu_fid *oi_fid = &info->oti_fid;
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;
+ 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);
+
+ return osd_oi_iam_insert(info, osd_fid2oi(osd, fid),
+ (struct dt_rec *)id, key, th, 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 iam_container *bag;
+ struct iam_path_descr *ipd;
+ struct osd_thandle *oh;
+ int rc;
+ ENTRY;
+
+ LASSERT(oi);
+
+ 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 osd_device *osd, const struct lu_fid *fid,
struct thandle *th)
{
- struct lu_fid *oi_fid = &info->oti_fid;
- struct dt_object *idx;
+ struct lu_fid *oi_fid = &info->oti_fid;
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);
+ key = (struct dt_key *)oi_fid;
+
+ return osd_oi_iam_delete(info, osd_fid2oi(osd, fid), key, th);
}
int osd_oi_mod_init()