* top-to-bottom to fill in parts of \a attr that this layer is responsible
* for.
*/
-int cl_object_attr_get(const struct lu_env *env, struct cl_object *obj,
+int cl_object_attr_get(const struct lu_env *env, struct cl_object *top,
struct cl_attr *attr)
{
- struct lu_object_header *top;
- int result;
+ struct cl_object *obj;
+ int result = 0;
- assert_spin_locked(cl_object_attr_guard(obj));
+ assert_spin_locked(cl_object_attr_guard(top));
ENTRY;
- top = obj->co_lu.lo_header;
- result = 0;
- list_for_each_entry(obj, &top->loh_layers, co_lu.lo_linkage) {
+ cl_object_for_each(obj, top) {
if (obj->co_ops->coo_attr_get != NULL) {
result = obj->co_ops->coo_attr_get(env, obj, attr);
if (result != 0) {
* updated. Calls cl_object_operations::coo_upd_attr() on every layer, bottom
* to top.
*/
-int cl_object_attr_update(const struct lu_env *env, struct cl_object *obj,
+int cl_object_attr_update(const struct lu_env *env, struct cl_object *top,
const struct cl_attr *attr, unsigned v)
{
- struct lu_object_header *top;
- int result;
+ struct cl_object *obj;
+ int result = 0;
- assert_spin_locked(cl_object_attr_guard(obj));
+ assert_spin_locked(cl_object_attr_guard(top));
ENTRY;
- top = obj->co_lu.lo_header;
- result = 0;
- list_for_each_entry_reverse(obj, &top->loh_layers, co_lu.lo_linkage) {
+ cl_object_for_each_reverse(obj, top) {
if (obj->co_ops->coo_attr_update != NULL) {
result = obj->co_ops->coo_attr_update(env, obj, attr,
v);
*
* \see cl_lock_operations::clo_glimpse()
*/
-int cl_object_glimpse(const struct lu_env *env, struct cl_object *obj,
- struct ost_lvb *lvb)
+int cl_object_glimpse(const struct lu_env *env, struct cl_object *top,
+ struct ost_lvb *lvb)
{
- struct lu_object_header *top;
- int result;
+ struct cl_object *obj;
+ int result = 0;
- ENTRY;
- top = obj->co_lu.lo_header;
- result = 0;
- list_for_each_entry_reverse(obj, &top->loh_layers, co_lu.lo_linkage) {
- if (obj->co_ops->coo_glimpse != NULL) {
- result = obj->co_ops->coo_glimpse(env, obj, lvb);
- if (result != 0)
- break;
- }
- }
- LU_OBJECT_HEADER(D_DLMTRACE, env, lu_object_top(top),
+ ENTRY;
+ cl_object_for_each_reverse(obj, top) {
+ if (obj->co_ops->coo_glimpse != NULL) {
+ result = obj->co_ops->coo_glimpse(env, obj, lvb);
+ if (result != 0)
+ break;
+ }
+ }
+ LU_OBJECT_HEADER(D_DLMTRACE, env, lu_object_top(top->co_lu.lo_header),
"size: %llu mtime: %llu atime: %llu "
"ctime: %llu blocks: %llu\n",
- lvb->lvb_size, lvb->lvb_mtime, lvb->lvb_atime,
- lvb->lvb_ctime, lvb->lvb_blocks);
- RETURN(result);
+ lvb->lvb_size, lvb->lvb_mtime, lvb->lvb_atime,
+ lvb->lvb_ctime, lvb->lvb_blocks);
+ RETURN(result);
}
EXPORT_SYMBOL(cl_object_glimpse);
/**
* Updates a configuration of an object \a obj.
*/
-int cl_conf_set(const struct lu_env *env, struct cl_object *obj,
- const struct cl_object_conf *conf)
+int cl_conf_set(const struct lu_env *env, struct cl_object *top,
+ const struct cl_object_conf *conf)
{
- struct lu_object_header *top;
- int result;
+ struct cl_object *obj;
+ int result = 0;
- ENTRY;
- top = obj->co_lu.lo_header;
- result = 0;
- list_for_each_entry(obj, &top->loh_layers, co_lu.lo_linkage) {
- if (obj->co_ops->coo_conf_set != NULL) {
- result = obj->co_ops->coo_conf_set(env, obj, conf);
- if (result != 0)
- break;
- }
- }
- RETURN(result);
+ ENTRY;
+ cl_object_for_each(obj, top) {
+ if (obj->co_ops->coo_conf_set != NULL) {
+ result = obj->co_ops->coo_conf_set(env, obj, conf);
+ if (result)
+ break;
+ }
+ }
+ RETURN(result);
}
EXPORT_SYMBOL(cl_conf_set);
/**
* Prunes caches of pages and locks for this object.
*/
-int cl_object_prune(const struct lu_env *env, struct cl_object *obj)
+int cl_object_prune(const struct lu_env *env, struct cl_object *top)
{
- struct lu_object_header *top;
- struct cl_object *o;
- int result;
+ struct cl_object *obj;
+ int result = 0;
ENTRY;
- top = obj->co_lu.lo_header;
- result = 0;
- list_for_each_entry(o, &top->loh_layers, co_lu.lo_linkage) {
- if (o->co_ops->coo_prune != NULL) {
- result = o->co_ops->coo_prune(env, o);
- if (result != 0)
+ cl_object_for_each(obj, top) {
+ if (obj->co_ops->coo_prune != NULL) {
+ result = obj->co_ops->coo_prune(env, obj);
+ if (result)
break;
}
}
/**
* Get stripe information of this object.
*/
-int cl_object_getstripe(const struct lu_env *env, struct cl_object *obj,
+int cl_object_getstripe(const struct lu_env *env, struct cl_object *top,
struct lov_user_md __user *uarg, size_t size)
{
- struct lu_object_header *top;
- int result = 0;
+ struct cl_object *obj;
+ int result = 0;
ENTRY;
- top = obj->co_lu.lo_header;
- list_for_each_entry(obj, &top->loh_layers, co_lu.lo_linkage) {
- if (obj->co_ops->coo_getstripe != NULL) {
+ cl_object_for_each(obj, top) {
+ if (obj->co_ops->coo_getstripe) {
result = obj->co_ops->coo_getstripe(env, obj, uarg,
size);
- if (result != 0)
+ if (result)
break;
}
}
* \retval 0 success
* \retval < 0 error
*/
-int cl_object_fiemap(const struct lu_env *env, struct cl_object *obj,
+int cl_object_fiemap(const struct lu_env *env, struct cl_object *top,
struct ll_fiemap_info_key *key,
struct fiemap *fiemap, size_t *buflen)
{
- struct lu_object_header *top;
- int result = 0;
+ struct cl_object *obj;
+ int result = 0;
ENTRY;
- top = obj->co_lu.lo_header;
- list_for_each_entry(obj, &top->loh_layers, co_lu.lo_linkage) {
- if (obj->co_ops->coo_fiemap != NULL) {
+ cl_object_for_each(obj, top) {
+ if (obj->co_ops->coo_fiemap) {
result = obj->co_ops->coo_fiemap(env, obj, key, fiemap,
buflen);
- if (result != 0)
+ if (result)
break;
}
}
}
EXPORT_SYMBOL(cl_object_fiemap);
-int cl_object_layout_get(const struct lu_env *env, struct cl_object *obj,
+int cl_object_layout_get(const struct lu_env *env, struct cl_object *top,
struct cl_layout *cl)
{
- struct lu_object_header *top = obj->co_lu.lo_header;
+ struct cl_object *obj;
ENTRY;
- list_for_each_entry(obj, &top->loh_layers, co_lu.lo_linkage) {
- if (obj->co_ops->coo_layout_get != NULL)
+ cl_object_for_each(obj, top) {
+ if (obj->co_ops->coo_layout_get)
return obj->co_ops->coo_layout_get(env, obj, cl);
}
}
EXPORT_SYMBOL(cl_object_layout_get);
-loff_t cl_object_maxbytes(struct cl_object *obj)
+loff_t cl_object_maxbytes(struct cl_object *top)
{
- struct lu_object_header *top = obj->co_lu.lo_header;
+ struct cl_object *obj;
loff_t maxbytes = LLONG_MAX;
ENTRY;
- list_for_each_entry(obj, &top->loh_layers, co_lu.lo_linkage) {
- if (obj->co_ops->coo_maxbytes != NULL)
+ cl_object_for_each(obj, top) {
+ if (obj->co_ops->coo_maxbytes)
maxbytes = min_t(loff_t, obj->co_ops->coo_maxbytes(obj),
maxbytes);
}
}
EXPORT_SYMBOL(cl_object_maxbytes);
-int cl_object_flush(const struct lu_env *env, struct cl_object *obj,
+int cl_object_flush(const struct lu_env *env, struct cl_object *top,
struct ldlm_lock *lock)
{
- struct lu_object_header *top = obj->co_lu.lo_header;
+ struct cl_object *obj;
int rc = 0;
ENTRY;
- list_for_each_entry(obj, &top->loh_layers, co_lu.lo_linkage) {
+ cl_object_for_each(obj, top) {
if (obj->co_ops->coo_object_flush) {
rc = obj->co_ops->coo_object_flush(env, obj, lock);
if (rc)