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LU-7117 osp: set ptlrpc_request::rq_allow_replay properly
[fs/lustre-release.git] / lustre / llite / vvp_page.c
index fac1924..e2afea4 100644 (file)
@@ -27,7 +27,7 @@
  * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
  *
- * Copyright (c) 2011, 2014, Intel Corporation.
+ * Copyright (c) 2011, 2015, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
@@ -167,8 +167,6 @@ static void vvp_page_delete(const struct lu_env *env,
        LASSERT((struct cl_page *)vmpage->private == page);
        LASSERT(inode == vvp_object_inode(obj));
 
-       vvp_write_complete(cl2vvp(obj), cl2vvp_page(slice));
-
        /* Drop the reference count held in vvp_page_init */
        refc = atomic_dec_return(&page->cp_ref);
        LASSERTF(refc >= 1, "page = %p, refc = %d\n", page, refc);
@@ -221,7 +219,6 @@ static int vvp_page_prep_write(const struct lu_env *env,
        LASSERT(!PageDirty(vmpage));
 
        set_page_writeback(vmpage);
-       vvp_write_pending(cl2vvp(slice->cpl_obj), cl2vvp_page(slice));
 
        return 0;
 }
@@ -298,19 +295,6 @@ static void vvp_page_completion_write(const struct lu_env *env,
        CL_PAGE_HEADER(D_PAGE, env, pg, "completing WRITE with %d\n", ioret);
 
        /*
-        * TODO: Actually it makes sense to add the page into oap pending
-        * list again and so that we don't need to take the page out from
-        * SoM write pending list, if we just meet a recoverable error,
-        * -ENOMEM, etc.
-        * To implement this, we just need to return a non zero value in
-        * ->cpo_completion method. The underlying transfer should be notified
-        * and then re-add the page into pending transfer queue.  -jay
-        */
-
-       vpg->vpg_write_queued = 0;
-       vvp_write_complete(cl2vvp(slice->cpl_obj), vpg);
-
-       /*
         * Only mark the page error only when it's an async write because
         * applications won't wait for IO to finish.
         */
@@ -348,8 +332,6 @@ static int vvp_page_make_ready(const struct lu_env *env,
                /* This actually clears the dirty bit in the radix
                 * tree. */
                set_page_writeback(vmpage);
-               vvp_write_pending(cl2vvp(slice->cpl_obj),
-                               cl2vvp_page(slice));
                CL_PAGE_HEADER(D_PAGE, env, pg, "readied\n");
        } else if (pg->cp_state == CPS_PAGEOUT) {
                /* is it possible for osc_flush_async_page() to already
@@ -364,23 +346,6 @@ static int vvp_page_make_ready(const struct lu_env *env,
        RETURN(result);
 }
 
-static int vvp_page_is_under_lock(const struct lu_env *env,
-                                 const struct cl_page_slice *slice,
-                                 struct cl_io *io, pgoff_t *max_index)
-{
-       ENTRY;
-
-       if (io->ci_type == CIT_READ || io->ci_type == CIT_WRITE ||
-           io->ci_type == CIT_FAULT) {
-               struct vvp_io *vio = vvp_env_io(env);
-
-               if (unlikely(vio->vui_fd->fd_flags & LL_FILE_GROUP_LOCKED))
-                       *max_index = CL_PAGE_EOF;
-       }
-       RETURN(0);
-}
-
-
 static int vvp_page_print(const struct lu_env *env,
                          const struct cl_page_slice *slice,
                          void *cookie, lu_printer_t printer)
@@ -388,10 +353,9 @@ static int vvp_page_print(const struct lu_env *env,
        struct vvp_page *vpg    = cl2vvp_page(slice);
        struct page     *vmpage = vpg->vpg_page;
 
-       (*printer)(env, cookie, LUSTRE_VVP_NAME"-page@%p(%d:%d:%d) "
+       (*printer)(env, cookie, LUSTRE_VVP_NAME"-page@%p(%d:%d) "
                   "vm@%p ",
-                  vpg, vpg->vpg_defer_uptodate, vpg->vpg_ra_used,
-                  vpg->vpg_write_queued, vmpage);
+                  vpg, vpg->vpg_defer_uptodate, vpg->vpg_ra_used, vmpage);
 
        if (vmpage != NULL) {
                (*printer)(env, cookie, "%lx %d:%d %lx %lu %slru",
@@ -428,7 +392,6 @@ static const struct cl_page_operations vvp_page_ops = {
        .cpo_is_vmlocked   = vvp_page_is_vmlocked,
        .cpo_fini          = vvp_page_fini,
        .cpo_print         = vvp_page_print,
-       .cpo_is_under_lock = vvp_page_is_under_lock,
        .io = {
                [CRT_READ] = {
                        .cpo_prep       = vvp_page_prep_read,
@@ -505,9 +468,9 @@ static int vvp_transient_page_is_vmlocked(const struct lu_env *env,
        struct inode    *inode = vvp_object_inode(slice->cpl_obj);
        int     locked;
 
-       locked = !mutex_trylock(&inode->i_mutex);
+       locked = !inode_trylock(inode);
        if (!locked)
-               mutex_unlock(&inode->i_mutex);
+               inode_unlock(inode);
        return locked ? -EBUSY : -ENODATA;
 }
 
@@ -539,7 +502,6 @@ static const struct cl_page_operations vvp_transient_page_ops = {
        .cpo_fini               = vvp_transient_page_fini,
        .cpo_is_vmlocked        = vvp_transient_page_is_vmlocked,
        .cpo_print              = vvp_page_print,
-       .cpo_is_under_lock      = vvp_page_is_under_lock,
        .io = {
                [CRT_READ] = {
                        .cpo_prep       = vvp_transient_page_prep,
@@ -563,7 +525,6 @@ int vvp_page_init(const struct lu_env *env, struct cl_object *obj,
        vpg->vpg_page = vmpage;
        page_cache_get(vmpage);
 
-       INIT_LIST_HEAD(&vpg->vpg_pending_linkage);
        if (page->cp_type == CPT_CACHEABLE) {
                /* in cache, decref in vvp_page_delete */
                atomic_inc(&page->cp_ref);