static const char mdd_root_dir_name[] = "ROOT";
static const char mdd_obf_dir_name[] = "fid";
+static const char mdd_lpf_dir_name[] = "lost+found";
/* Slab for MDD object allocation */
struct kmem_cache *mdd_object_kmem;
return rc;
}
-static int obf_create(const struct lu_env *env, struct md_object *pobj,
- const struct lu_name *lname, struct md_object *child,
- struct md_op_spec *spec, struct md_attr* ma)
+static int mdd_dummy_create(const struct lu_env *env,
+ struct md_object *pobj,
+ const struct lu_name *lname,
+ struct md_object *child,
+ struct md_op_spec *spec,
+ struct md_attr* ma)
{
- return -EPERM;
+ return -EPERM;
}
-static int obf_rename(const struct lu_env *env,
- struct md_object *src_pobj, struct md_object *tgt_pobj,
- const struct lu_fid *lf, const struct lu_name *lsname,
- struct md_object *tobj, const struct lu_name *ltname,
- struct md_attr *ma)
+static int mdd_dummy_rename(const struct lu_env *env,
+ struct md_object *src_pobj,
+ struct md_object *tgt_pobj,
+ const struct lu_fid *lf,
+ const struct lu_name *lsname,
+ struct md_object *tobj,
+ const struct lu_name *ltname,
+ struct md_attr *ma)
{
- return -EPERM;
+ return -EPERM;
}
-static int obf_link(const struct lu_env *env, struct md_object *tgt_obj,
- struct md_object *src_obj, const struct lu_name *lname,
- struct md_attr *ma)
+static int mdd_dummy_link(const struct lu_env *env,
+ struct md_object *tgt_obj,
+ struct md_object *src_obj,
+ const struct lu_name *lname,
+ struct md_attr *ma)
{
- return -EPERM;
+ return -EPERM;
}
-static int obf_unlink(const struct lu_env *env, struct md_object *pobj,
- struct md_object *cobj, const struct lu_name *lname,
- struct md_attr *ma, int no_name)
+static int mdd_dummy_unlink(const struct lu_env *env,
+ struct md_object *pobj,
+ struct md_object *cobj,
+ const struct lu_name *lname,
+ struct md_attr *ma,
+ int no_name)
{
return -EPERM;
}
static struct md_dir_operations mdd_obf_dir_ops = {
- .mdo_lookup = obf_lookup,
- .mdo_create = obf_create,
- .mdo_rename = obf_rename,
- .mdo_link = obf_link,
- .mdo_unlink = obf_unlink
+ .mdo_lookup = obf_lookup,
+ .mdo_create = mdd_dummy_create,
+ .mdo_rename = mdd_dummy_rename,
+ .mdo_link = mdd_dummy_link,
+ .mdo_unlink = mdd_dummy_unlink
+};
+
+static struct md_dir_operations mdd_lpf_dir_ops = {
+ .mdo_lookup = mdd_lookup,
+ .mdo_create = mdd_dummy_create,
+ .mdo_rename = mdd_dummy_rename,
+ .mdo_link = mdd_dummy_link,
+ .mdo_unlink = mdd_dummy_unlink
};
static struct md_object *mdo_locate(const struct lu_env *env,
return mdo;
}
+static int mdd_lpf_setup(const struct lu_env *env, struct mdd_device *m)
+{
+ struct md_object *mdo;
+ struct mdd_object *mdd_lpf;
+ struct lu_fid fid = LU_LPF_FID;
+ int rc;
+ ENTRY;
+
+ rc = mdd_local_file_create(env, m, mdd_object_fid(m->mdd_dot_lustre),
+ mdd_lpf_dir_name, S_IFDIR | S_IRUSR | S_IXUSR,
+ &fid);
+ if (rc != 0)
+ RETURN(rc);
+
+ mdo = mdo_locate(env, &m->mdd_md_dev, &fid);
+ if (IS_ERR(mdo))
+ RETURN(PTR_ERR(mdo));
+
+ LASSERT(lu_object_exists(&mdo->mo_lu));
+
+ mdd_lpf = md2mdd_obj(mdo);
+ mdd_lpf->mod_obj.mo_dir_ops = &mdd_lpf_dir_ops;
+ m->mdd_dot_lustre_objs.mdd_lpf = mdd_lpf;
+
+ RETURN(0);
+}
+
/**
* Create special in-memory "fid" object for open-by-fid.
*/
return 0;
}
+static void mdd_dot_lustre_cleanup(const struct lu_env *env,
+ struct mdd_device *m)
+{
+ if (m->mdd_dot_lustre_objs.mdd_lpf != NULL) {
+ mdd_object_put(env, m->mdd_dot_lustre_objs.mdd_lpf);
+ m->mdd_dot_lustre_objs.mdd_lpf = NULL;
+ }
+ if (m->mdd_dot_lustre_objs.mdd_obf != NULL) {
+ mdd_object_put(env, m->mdd_dot_lustre_objs.mdd_obf);
+ m->mdd_dot_lustre_objs.mdd_obf = NULL;
+ }
+ if (m->mdd_dot_lustre != NULL) {
+ mdd_object_put(env, m->mdd_dot_lustre);
+ m->mdd_dot_lustre = NULL;
+ }
+}
+
/** Setup ".lustre" directory object */
static int mdd_dot_lustre_setup(const struct lu_env *env, struct mdd_device *m)
{
mdd2obd_dev(m)->obd_name, rc);
GOTO(out, rc);
}
+
+ rc = mdd_lpf_setup(env, m);
+ if (rc != 0) {
+ CERROR("%s: error initializing \"lost+found\": rc = %d.\n",
+ mdd2obd_dev(m)->obd_name, rc);
+ GOTO(out, rc);
+ }
+
RETURN(0);
+
out:
- mdd_object_put(env, m->mdd_dot_lustre);
- m->mdd_dot_lustre = NULL;
+ mdd_dot_lustre_cleanup(env, m);
+
return rc;
}
mdd_hsm_actions_llog_fini(env, m);
mdd_changelog_fini(env, m);
orph_index_fini(env, m);
- if (m->mdd_dot_lustre_objs.mdd_obf)
- mdd_object_put(env, m->mdd_dot_lustre_objs.mdd_obf);
- if (m->mdd_dot_lustre)
- mdd_object_put(env, m->mdd_dot_lustre);
+ mdd_dot_lustre_cleanup(env, m);
if (m->mdd_los != NULL)
local_oid_storage_fini(env, m->mdd_los);
lu_site_purge(env, mdd2lu_dev(m)->ld_site, ~0);
}
rc = mdd_compat_fixes(env, mdd);
- if (rc)
- GOTO(out_los, rc);
-
+ if (rc != 0)
+ GOTO(out_dot, rc);
} else {
/* Normal client usually send root access to MDT0 directly,
* the root FID on non-MDT0 will only be used by echo client. */
out_orph:
orph_index_fini(env, mdd);
out_dot:
- if (mdd_seq_site(mdd)->ss_node_id == 0) {
- mdd_object_put(env, mdd->mdd_dot_lustre);
- mdd->mdd_dot_lustre = NULL;
- mdd_object_put(env, mdd->mdd_dot_lustre_objs.mdd_obf);
- mdd->mdd_dot_lustre_objs.mdd_obf = NULL;
- }
+ if (mdd_seq_site(mdd)->ss_node_id == 0)
+ mdd_dot_lustre_cleanup(env, mdd);
out_los:
local_oid_storage_fini(env, mdd->mdd_los);
mdd->mdd_los = NULL;
git://git.whamcloud.com / fs / lustre-release.git / blobdiff