LU-13799 osc: Simplify clipping for transient pages

[fs/lustre-release.git] / lustre / osc / osc_cache.c

diff --git a/lustre/osc/osc_cache.c b/lustre/osc/osc_cache.c
index a3953db..d193fae 100644 (file)
--- a/lustre/osc/osc_cache.c
+++ b/lustre/osc/osc_cache.c
@@ -2237,10 +2237,11 @@ int osc_io_unplug0(const struct lu_env *env, struct client_obd *cli,
 EXPORT_SYMBOL(osc_io_unplug0);
 
 int osc_prep_async_page(struct osc_object *osc, struct osc_page *ops,
-                       struct page *page, loff_t offset)
+                       struct cl_page *page, loff_t offset)
 {
        struct obd_export     *exp = osc_export(osc);
        struct osc_async_page *oap = &ops->ops_oap;
+       struct page           *vmpage = page->cp_vmpage;
        ENTRY;
 
        if (!page)
@@ -2250,16 +2251,24 @@ int osc_prep_async_page(struct osc_object *osc, struct osc_page *ops,
        oap->oap_cli = &exp->exp_obd->u.cli;
        oap->oap_obj = osc;
 
-       oap->oap_page = page;
+       oap->oap_page = vmpage;
        oap->oap_obj_off = offset;
        LASSERT(!(offset & ~PAGE_MASK));
 
+       /* Count of transient (direct i/o) pages is always stable by the time
+        * they're submitted.  Setting this here lets us avoid calling
+        * cl_page_clip later to set this.
+        */
+       if (page->cp_type == CPT_TRANSIENT)
+               oap->oap_async_flags |= ASYNC_COUNT_STABLE|ASYNC_URGENT|
+                                       ASYNC_READY;
+
        INIT_LIST_HEAD(&oap->oap_pending_item);
        INIT_LIST_HEAD(&oap->oap_rpc_item);
 
        spin_lock_init(&oap->oap_lock);
-       CDEBUG(D_INFO, "oap %p page %p obj off %llu\n",
-              oap, page, oap->oap_obj_off);
+       CDEBUG(D_INFO, "oap %p vmpage %p obj off %llu\n",
+              oap, vmpage, oap->oap_obj_off);
        RETURN(0);
 }
 EXPORT_SYMBOL(osc_prep_async_page);