CS_PAGE_INC etc. do nothing, so remove them. The semantic patch that performs this transformation is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression o,item,state; @@ ( - CS_PAGE_INC(o, item); | - CS_PAGE_DEC(o, item); | - CS_PAGESTATE_INC(o, state); | - CS_PAGESTATE_DEC(o, state); ) // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxx> --- drivers/staging/lustre/lustre/obdclass/cl_page.c | 17 ----------------- 1 file changed, 17 deletions(-) diff --git a/drivers/staging/lustre/lustre/obdclass/cl_page.c b/drivers/staging/lustre/lustre/obdclass/cl_page.c index 59d338a..a7f3032 100644 --- a/drivers/staging/lustre/lustre/obdclass/cl_page.c +++ b/drivers/staging/lustre/lustre/obdclass/cl_page.c @@ -62,12 +62,6 @@ static void cl_page_delete0(const struct lu_env *env, struct cl_page *pg, # define PINVRNT(env, page, exp) \ ((void)sizeof(env), (void)sizeof(page), (void)sizeof !!(exp)) -/* Disable page statistic by default due to huge performance penalty. */ -#define CS_PAGE_INC(o, item) -#define CS_PAGE_DEC(o, item) -#define CS_PAGESTATE_INC(o, state) -#define CS_PAGESTATE_DEC(o, state) - /** * Internal version of cl_page_top, it should be called if the page is * known to be not freed, says with page referenced, or radix tree lock held, @@ -264,8 +258,6 @@ static void cl_page_free(const struct lu_env *env, struct cl_page *page) list_del_init(page->cp_layers.next); slice->cpl_ops->cpo_fini(env, slice); } - CS_PAGE_DEC(obj, total); - CS_PAGESTATE_DEC(obj, page->cp_state); lu_object_ref_del_at(&obj->co_lu, &page->cp_obj_ref, "cl_page", page); cl_object_put(env, obj); lu_ref_fini(&page->cp_reference); @@ -323,11 +315,6 @@ static struct cl_page *cl_page_alloc(const struct lu_env *env, } } } - if (result == 0) { - CS_PAGE_INC(o, total); - CS_PAGE_INC(o, create); - CS_PAGESTATE_DEC(o, CPS_CACHED); - } } else { page = ERR_PTR(-ENOMEM); } @@ -360,7 +347,6 @@ static struct cl_page *cl_page_find0(const struct lu_env *env, might_sleep(); hdr = cl_object_header(o); - CS_PAGE_INC(o, lookup); CDEBUG(D_PAGE, "%lu@"DFID" %p %lx %d\n", idx, PFID(&hdr->coh_lu.loh_fid), vmpage, vmpage->private, type); @@ -387,7 +373,6 @@ static struct cl_page *cl_page_find0(const struct lu_env *env, } if (page != NULL) { - CS_PAGE_INC(o, hit); return page; } @@ -554,8 +539,6 @@ static void cl_page_state_set0(const struct lu_env *env, PASSERT(env, page, equi(state == CPS_OWNED, page->cp_owner != NULL)); - CS_PAGESTATE_DEC(page->cp_obj, page->cp_state); - CS_PAGESTATE_INC(page->cp_obj, state); cl_page_state_set_trust(page, state); } } -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
