/* Disable page statistic by default due to huge performance penalty. */
#ifdef CONFIG_DEBUG_PAGESTATE_TRACKING
#define CS_PAGE_INC(o, item) \
- cfs_atomic_inc(&cl_object_site(o)->cs_pages.cs_stats[CS_##item])
+ atomic_inc(&cl_object_site(o)->cs_pages.cs_stats[CS_##item])
#define CS_PAGE_DEC(o, item) \
- cfs_atomic_dec(&cl_object_site(o)->cs_pages.cs_stats[CS_##item])
+ atomic_dec(&cl_object_site(o)->cs_pages.cs_stats[CS_##item])
#define CS_PAGESTATE_INC(o, state) \
- cfs_atomic_inc(&cl_object_site(o)->cs_pages_state[state])
+ atomic_inc(&cl_object_site(o)->cs_pages_state[state])
#define CS_PAGESTATE_DEC(o, state) \
- cfs_atomic_dec(&cl_object_site(o)->cs_pages_state[state])
+ atomic_dec(&cl_object_site(o)->cs_pages_state[state])
#else
#define CS_PAGE_INC(o, item)
#define CS_PAGE_DEC(o, item)
*/
static void cl_page_get_trust(struct cl_page *page)
{
- LASSERT(cfs_atomic_read(&page->cp_ref) > 0);
- cfs_atomic_inc(&page->cp_ref);
+ LASSERT(atomic_read(&page->cp_ref) > 0);
+ atomic_inc(&page->cp_ref);
}
/**
ENTRY;
OBD_ALLOC_GFP(page, cl_object_header(o)->coh_page_bufsize,
- __GFP_IO);
+ GFP_NOFS);
if (page != NULL) {
int result = 0;
- cfs_atomic_set(&page->cp_ref, 1);
+ atomic_set(&page->cp_ref, 1);
page->cp_obj = o;
cl_object_get(o);
lu_object_ref_add_at(&o->co_lu, &page->cp_obj_ref, "cl_page",
{
ENTRY;
CL_PAGE_HEADER(D_TRACE, env, page, "%d\n",
- cfs_atomic_read(&page->cp_ref));
+ atomic_read(&page->cp_ref));
- if (cfs_atomic_dec_and_test(&page->cp_ref)) {
+ if (atomic_dec_and_test(&page->cp_ref)) {
LASSERT(page->cp_state == CPS_FREEING);
- LASSERT(cfs_atomic_read(&page->cp_ref) == 0);
+ LASSERT(atomic_read(&page->cp_ref) == 0);
PASSERT(env, page, page->cp_owner == NULL);
PASSERT(env, page, cfs_list_empty(&page->cp_batch));
/*
__result; \
})
+#define CL_PAGE_INVOKE_REVERSE(_env, _page, _op, _proto, ...) \
+({ \
+ const struct lu_env *__env = (_env); \
+ struct cl_page *__page = (_page); \
+ const struct cl_page_slice *__scan; \
+ int __result; \
+ ptrdiff_t __op = (_op); \
+ int (*__method)_proto; \
+ \
+ __result = 0; \
+ list_for_each_entry_reverse(__scan, &__page->cp_layers, \
+ cpl_linkage) { \
+ __method = *(void **)((char *)__scan->cpl_ops + __op); \
+ if (__method != NULL) { \
+ __result = (*__method)(__env, __scan, ## __VA_ARGS__); \
+ if (__result != 0) \
+ break; \
+ } \
+ } \
+ if (__result > 0) \
+ __result = 0; \
+ __result; \
+})
+
#define CL_PAGE_INVOID(_env, _page, _op, _proto, ...) \
do { \
const struct lu_env *__env = (_env); \
* \see cl_page_operations::cpo_is_under_lock()
*/
int cl_page_is_under_lock(const struct lu_env *env, struct cl_io *io,
- struct cl_page *page)
+ struct cl_page *page, pgoff_t *max_index)
{
- int rc;
+ int rc;
- PINVRNT(env, page, cl_page_invariant(page));
+ PINVRNT(env, page, cl_page_invariant(page));
- ENTRY;
- rc = CL_PAGE_INVOKE(env, page, CL_PAGE_OP(cpo_is_under_lock),
- (const struct lu_env *,
- const struct cl_page_slice *, struct cl_io *),
- io);
- PASSERT(env, page, rc != 0);
- RETURN(rc);
+ ENTRY;
+ rc = CL_PAGE_INVOKE_REVERSE(env, page, CL_PAGE_OP(cpo_is_under_lock),
+ (const struct lu_env *,
+ const struct cl_page_slice *,
+ struct cl_io *, pgoff_t *),
+ io, max_index);
+ RETURN(rc);
}
EXPORT_SYMBOL(cl_page_is_under_lock);
{
(*printer)(env, cookie,
"page@%p[%d %p %d %d %d %p %p %#x]\n",
- pg, cfs_atomic_read(&pg->cp_ref), pg->cp_obj,
+ pg, atomic_read(&pg->cp_ref), pg->cp_obj,
pg->cp_state, pg->cp_error, pg->cp_type,
pg->cp_owner, pg->cp_req, pg->cp_flags);
}
* \see cl_lock_slice_add(), cl_req_slice_add(), cl_io_slice_add()
*/
void cl_page_slice_add(struct cl_page *page, struct cl_page_slice *slice,
- struct cl_object *obj,
- const struct cl_page_operations *ops)
+ struct cl_object *obj, pgoff_t index,
+ const struct cl_page_operations *ops)
{
- ENTRY;
- cfs_list_add_tail(&slice->cpl_linkage, &page->cp_layers);
- slice->cpl_obj = obj;
- slice->cpl_ops = ops;
- slice->cpl_page = page;
- EXIT;
+ ENTRY;
+ list_add_tail(&slice->cpl_linkage, &page->cp_layers);
+ slice->cpl_obj = obj;
+ slice->cpl_index = index;
+ slice->cpl_ops = ops;
+ slice->cpl_page = page;
+ EXIT;
}
EXPORT_SYMBOL(cl_page_slice_add);