C++ (Cpp) __osd_xattr_get Examples

Example #1

File: osd_xattr.c Project: nkzxw/lustre-stable

int osd_xattr_get(const struct lu_env *env, struct dt_object *dt,
		  struct lu_buf *buf, const char *name)
{
	struct osd_object  *obj  = osd_dt_obj(dt);
	int                 rc, size = 0;
	ENTRY;

	LASSERT(obj->oo_db != NULL);
	LASSERT(osd_invariant(obj));

	if (!osd_obj2dev(obj)->od_posix_acl &&
	    (strcmp(name, POSIX_ACL_XATTR_ACCESS) == 0 ||
	     strcmp(name, POSIX_ACL_XATTR_DEFAULT) == 0))
		RETURN(-EOPNOTSUPP);

	down_read(&obj->oo_guard);
	rc = __osd_xattr_get(env, obj, buf, name, &size);
	up_read(&obj->oo_guard);

	if (rc == -ENOENT)
		rc = -ENODATA;
	else if (rc == 0)
		rc = size;
	RETURN(rc);
}

Example #2

int osd_xattr_get(const struct lu_env *env, struct dt_object *dt,
		struct lu_buf *buf, const char *name,
		struct lustre_capa *capa)
{
	struct osd_object  *obj  = osd_dt_obj(dt);
	int                 rc, size = 0;
	ENTRY;

	LASSERT(obj->oo_db != NULL);
	LASSERT(osd_invariant(obj));
	LASSERT(dt_object_exists(dt));

	down(&obj->oo_guard);
	rc = __osd_xattr_get(env, obj, buf, name, &size);
	up(&obj->oo_guard);

	if (rc == -ENOENT)
		rc = -ENODATA;
	else if (rc == 0)
		rc = size;
	RETURN(rc);
}