* Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2012, 2013, Intel Corporation.
+ * Copyright (c) 2012, 2014, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
*
*/
+int vvp_object_invariant(const struct cl_object *obj)
+{
+ struct inode *inode = vvp_object_inode(obj);
+ struct ll_inode_info *lli = ll_i2info(inode);
+
+ return (S_ISREG(inode->i_mode) || inode->i_mode == 0) &&
+ lli->lli_clob == obj;
+}
+
static int vvp_object_print(const struct lu_env *env, void *cookie,
lu_printer_t p, const struct lu_object *o)
{
- struct ccc_object *obj = lu2ccc(o);
- struct inode *inode = obj->cob_inode;
+ struct vvp_object *obj = lu2vvp(o);
+ struct inode *inode = obj->vob_inode;
struct ll_inode_info *lli;
(*p)(env, cookie, "(%s %d %d) inode: %p ",
- list_empty(&obj->cob_pending_list) ? "-" : "+",
- atomic_read(&obj->cob_transient_pages),
- atomic_read(&obj->cob_mmap_cnt),
+ list_empty(&obj->vob_pending_list) ? "-" : "+",
+ atomic_read(&obj->vob_transient_pages),
+ atomic_read(&obj->vob_mmap_cnt),
inode);
if (inode) {
lli = ll_i2info(inode);
static int vvp_attr_get(const struct lu_env *env, struct cl_object *obj,
struct cl_attr *attr)
{
- struct inode *inode = ccc_object_inode(obj);
+ struct inode *inode = vvp_object_inode(obj);
/*
* lov overwrites most of these fields in
return 0; /* layers below have to fill in the rest */
}
-static int vvp_attr_set(const struct lu_env *env, struct cl_object *obj,
- const struct cl_attr *attr, unsigned valid)
+static int vvp_attr_update(const struct lu_env *env, struct cl_object *obj,
+ const struct cl_attr *attr, unsigned valid)
{
- struct inode *inode = ccc_object_inode(obj);
+ struct inode *inode = vvp_object_inode(obj);
if (valid & CAT_UID)
inode->i_uid = make_kuid(&init_user_ns, attr->cat_uid);
static int vvp_prune(const struct lu_env *env, struct cl_object *obj)
{
- struct inode *inode = ccc_object_inode(obj);
+ struct inode *inode = vvp_object_inode(obj);
int rc;
ENTRY;
RETURN(0);
}
+static int vvp_object_glimpse(const struct lu_env *env,
+ const struct cl_object *obj, struct ost_lvb *lvb)
+{
+ 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);
+
+ /*
+ * LU-417: Add dirty pages block count lest i_blocks reports 0, some
+ * "cp" or "tar" on remote node may think it's a completely sparse file
+ * and skip it.
+ */
+ if (lvb->lvb_size > 0 && lvb->lvb_blocks == 0)
+ lvb->lvb_blocks = dirty_cnt(inode);
+
+ RETURN(0);
+}
+
static const struct cl_object_operations vvp_ops = {
- .coo_page_init = vvp_page_init,
- .coo_lock_init = vvp_lock_init,
- .coo_io_init = vvp_io_init,
- .coo_attr_get = vvp_attr_get,
- .coo_attr_set = vvp_attr_set,
- .coo_conf_set = vvp_conf_set,
- .coo_prune = vvp_prune,
- .coo_glimpse = ccc_object_glimpse
+ .coo_page_init = vvp_page_init,
+ .coo_lock_init = vvp_lock_init,
+ .coo_io_init = vvp_io_init,
+ .coo_attr_get = vvp_attr_get,
+ .coo_attr_update = vvp_attr_update,
+ .coo_conf_set = vvp_conf_set,
+ .coo_prune = vvp_prune,
+ .coo_glimpse = vvp_object_glimpse
};
+static int vvp_object_init0(const struct lu_env *env,
+ struct vvp_object *vob,
+ 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;
+}
+
+static int vvp_object_init(const struct lu_env *env, struct lu_object *obj,
+ const struct lu_object_conf *conf)
+{
+ struct vvp_device *dev = lu2vvp_dev(obj->lo_dev);
+ struct vvp_object *vob = lu2vvp(obj);
+ struct lu_object *below;
+ struct lu_device *under;
+ int result;
+
+ under = &dev->vdv_next->cd_lu_dev;
+ below = under->ld_ops->ldo_object_alloc(env, obj->lo_header, under);
+ if (below != NULL) {
+ const struct cl_object_conf *cconf;
+
+ cconf = lu2cl_conf(conf);
+ INIT_LIST_HEAD(&vob->vob_pending_list);
+ lu_object_add(obj, below);
+ result = vvp_object_init0(env, vob, cconf);
+ } else
+ result = -ENOMEM;
+
+ return result;
+}
+
+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);
+}
+
static const struct lu_object_operations vvp_lu_obj_ops = {
- .loo_object_init = ccc_object_init,
- .loo_object_free = ccc_object_free,
- .loo_object_print = vvp_object_print
+ .loo_object_init = vvp_object_init,
+ .loo_object_free = vvp_object_free,
+ .loo_object_print = vvp_object_print,
};
-struct ccc_object *cl_inode2ccc(struct inode *inode)
+struct vvp_object *cl_inode2vvp(struct inode *inode)
{
struct ll_inode_info *lli = ll_i2info(inode);
struct cl_object *obj = lli->lli_clob;
LASSERT(obj != NULL);
lu = lu_object_locate(obj->co_lu.lo_header, &vvp_device_type);
LASSERT(lu != NULL);
- return lu2ccc(lu);
+
+ return lu2vvp(lu);
}
struct lu_object *vvp_object_alloc(const struct lu_env *env,
- const struct lu_object_header *hdr,
- struct lu_device *dev)
+ const struct lu_object_header *unused,
+ struct lu_device *dev)
{
- return ccc_object_alloc(env, hdr, dev, &vvp_ops, &vvp_lu_obj_ops);
-}
+ struct vvp_object *vob;
+ struct lu_object *obj;
+ OBD_SLAB_ALLOC_PTR_GFP(vob, vvp_object_kmem, GFP_NOFS);
+ if (vob != NULL) {
+ struct cl_object_header *hdr;
+
+ obj = &vob->vob_cl.co_lu;
+ hdr = &vob->vob_header;
+ cl_object_header_init(hdr);
+ hdr->coh_page_bufsize = cfs_size_round(sizeof(struct cl_page));
+
+ lu_object_init(obj, &hdr->coh_lu, dev);
+ lu_object_add_top(&hdr->coh_lu, obj);
+
+ vob->vob_cl.co_ops = &vvp_ops;
+ obj->lo_ops = &vvp_lu_obj_ops;
+ } else
+ obj = NULL;
+ return obj;
+}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff