LU-14787 libcfs: Proved an abstraction for AS_EXITING

[fs/lustre-release.git] / lustre / llite / vvp_object.c

diff --git a/lustre/llite/vvp_object.c b/lustre/llite/vvp_object.c
index b7fb1d3..2413da9 100644 (file)
--- a/lustre/llite/vvp_object.c
+++ b/lustre/llite/vvp_object.c
@@ -23,11 +23,10 @@
  * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
  *
- * Copyright (c) 2012, 2015, Intel Corporation.
+ * Copyright (c) 2012, 2017, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
  *
  * cl_object implementation for VVP layer.
  *
@@ -37,9 +36,8 @@
 #define DEBUG_SUBSYSTEM S_LLITE
 
 #include <linux/user_namespace.h>
-#ifdef HAVE_UIDGID_HEADER
-# include <linux/uidgid.h>
-#endif
+#include <linux/uidgid.h>
+
 #include <libcfs/libcfs.h>
 
 #include <obd.h>
@@ -68,8 +66,7 @@ static int vvp_object_print(const struct lu_env *env, void *cookie,
        struct inode         *inode = obj->vob_inode;
        struct ll_inode_info *lli;
 
-       (*p)(env, cookie, "(%d %d) inode: %p ",
-            atomic_read(&obj->vob_transient_pages),
+       (*p)(env, cookie, "(%d) inode: %p ",
             atomic_read(&obj->vob_mmap_cnt),
             inode);
        if (inode) {
@@ -151,6 +148,7 @@ static int vvp_conf_set(const struct lu_env *env, struct cl_object *obj,
                 * a price themselves. */
                unmap_mapping_range(conf->coc_inode->i_mapping,
                                    0, OBD_OBJECT_EOF, 0);
+               pcc_layout_invalidate(conf->coc_inode);
        }
        return 0;
 }
@@ -168,13 +166,8 @@ static int vvp_prune(const struct lu_env *env, struct cl_object *obj)
                RETURN(rc);
        }
 
-       truncate_inode_pages(inode->i_mapping, 0);
-       if (inode->i_mapping->nrpages) {
-               CDEBUG(D_VFSTRACE, DFID ": still has %lu pages remaining\n",
-                      PFID(lu_object_fid(&obj->co_lu)),
-                      inode->i_mapping->nrpages);
-               RETURN(-EIO);
-       }
+       ll_truncate_inode_pages_final(inode);
+       mapping_clear_exiting(inode->i_mapping);
 
        RETURN(0);
 }
@@ -185,9 +178,9 @@ static int vvp_object_glimpse(const struct lu_env *env,
        struct inode *inode = vvp_object_inode(obj);
 
        ENTRY;
-       lvb->lvb_mtime = LTIME_S(inode->i_mtime);
-       lvb->lvb_atime = LTIME_S(inode->i_atime);
-       lvb->lvb_ctime = LTIME_S(inode->i_ctime);
+       lvb->lvb_mtime = inode->i_mtime.tv_sec;
+       lvb->lvb_atime = inode->i_atime.tv_sec;
+       lvb->lvb_ctime = inode->i_ctime.tv_sec;
 
        /*
         * LU-417: Add dirty pages block count lest i_blocks reports 0, some
@@ -205,21 +198,23 @@ static void vvp_req_attr_set(const struct lu_env *env, struct cl_object *obj,
 {
        struct inode *inode;
        struct obdo  *oa;
-       u64 valid_flags = OBD_MD_FLTYPE;
+       u64 valid_flags = OBD_MD_FLTYPE | OBD_MD_FLUID | OBD_MD_FLGID;
 
        oa = attr->cra_oa;
        inode = vvp_object_inode(obj);
 
        if (attr->cra_type == CRT_WRITE) {
-               valid_flags |= OBD_MD_FLMTIME | OBD_MD_FLCTIME |
-                              OBD_MD_FLUID | OBD_MD_FLGID;
+               valid_flags |= OBD_MD_FLMTIME | OBD_MD_FLCTIME;
                obdo_set_o_projid(oa, ll_i2info(inode)->lli_projid);
+       } else if (attr->cra_type == CRT_READ) {
+               valid_flags |= OBD_MD_FLATIME;
        }
        obdo_from_inode(oa, inode, valid_flags & attr->cra_flags);
        obdo_set_parent_fid(oa, &ll_i2info(inode)->lli_fid);
        if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_INVALID_PFID))
                oa->o_parent_oid++;
-       memcpy(attr->cra_jobid, ll_i2info(inode)->lli_jobid, LUSTRE_JOBID_SIZE);
+       memcpy(attr->cra_jobid, ll_i2info(inode)->lli_jobid,
+              sizeof(attr->cra_jobid));
 }
 
 static const struct cl_object_operations vvp_ops = {
@@ -238,7 +233,6 @@ static int vvp_object_init0(const struct lu_env *env,
                            const struct cl_object_conf *conf)
 {
        vob->vob_inode = conf->coc_inode;
-       atomic_set(&vob->vob_transient_pages, 0);
        cl_object_page_init(&vob->vob_cl, sizeof(struct vvp_page));
        return 0;
 }
@@ -266,13 +260,22 @@ static int vvp_object_init(const struct lu_env *env, struct lu_object *obj,
        return result;
 }
 
+static void vvp_object_free_rcu(struct rcu_head *head)
+{
+       struct vvp_object *vob = container_of(head, struct vvp_object,
+                                             vob_header.coh_lu.loh_rcu);
+
+       kmem_cache_free(vvp_object_kmem, vob);
+}
+
 static void vvp_object_free(const struct lu_env *env, struct lu_object *obj)
 {
        struct vvp_object *vob = lu2vvp(obj);
 
        lu_object_fini(obj);
        lu_object_header_fini(obj->lo_header);
-       OBD_SLAB_FREE_PTR(vob, vvp_object_kmem);
+       OBD_FREE_PRE(vob, sizeof(*vob), "slab-freed");
+       call_rcu(&vob->vob_header.coh_lu.loh_rcu, vvp_object_free_rcu);
 }
 
 static const struct lu_object_operations vvp_lu_obj_ops = {