int mdd_orphan_declare_delete(const struct lu_env *env, struct mdd_object *obj,
struct thandle *th)
{
struct mdd_device *mdd = mdo2mdd(&obj->mod_obj);
struct dt_key *key;
int rc;
key = mdd_orphan_key_fill(env, mdo2fid(obj));
rc = dt_declare_delete(env, mdd->mdd_orphans, key, th);
if (rc)
return rc;
if (!mdd_object_exists(obj))
return -ENOENT;
rc = mdo_declare_ref_del(env, obj, th);
if (rc)
return rc;
if (S_ISDIR(mdd_object_type(obj))) {
rc = mdo_declare_ref_del(env, obj, th);
if (rc)
return rc;
rc = dt_declare_ref_del(env, mdd->mdd_orphans, th);
}
return rc;
}
/**
* Lookup method for "fid" object. Only filenames with correct SEQ:OID format
* are valid. We also check if object with passed fid exists or not.
*/
static int obf_lookup(const struct lu_env *env, struct md_object *p,
const struct lu_name *lname, struct lu_fid *f,
struct md_op_spec *spec)
{
char *name = (char *)lname->ln_name;
struct mdd_device *mdd = mdo2mdd(p);
struct mdd_object *child;
int rc = 0;
while (*name == '[')
name++;
sscanf(name, SFID, RFID(f));
if (!fid_is_sane(f)) {
CWARN("%s: Trying to lookup invalid FID [%s] in %s/%s, FID "
"format should be "DFID"\n", mdd2obd_dev(mdd)->obd_name,
lname->ln_name, dot_lustre_name, mdd_obf_dir_name,
(__u64)FID_SEQ_NORMAL, 1, 0);
GOTO(out, rc = -EINVAL);
}
if (!fid_is_norm(f) && !fid_is_igif(f) && !fid_is_root(f) &&
!fid_seq_is_dot(f->f_seq)) {
CWARN("%s: Trying to lookup invalid FID "DFID" in %s/%s, "
"sequence should be >= "LPX64" or within ["LPX64","
""LPX64"].\n", mdd2obd_dev(mdd)->obd_name, PFID(f),
dot_lustre_name, mdd_obf_dir_name, (__u64)FID_SEQ_NORMAL,
(__u64)FID_SEQ_IGIF, (__u64)FID_SEQ_IGIF_MAX);
GOTO(out, rc = -EINVAL);
}
/* Check if object with this fid exists */
child = mdd_object_find(env, mdd, f);
if (child == NULL)
GOTO(out, rc = 0);
if (IS_ERR(child))
GOTO(out, rc = PTR_ERR(child));
if (mdd_object_exists(child) == 0)
rc = -ENOENT;
mdd_object_put(env, child);
out:
return rc;
}
