-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
+ * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2012, 2013, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
*/
static int vvp_object_print(const struct lu_env *env, void *cookie,
- lu_printer_t p, const struct lu_object *o)
+ lu_printer_t p, const struct lu_object *o)
{
- struct ccc_object *obj = lu2ccc(o);
- struct inode *inode = obj->cob_inode;
- struct ll_inode_info *lli;
-
- (*p)(env, cookie, "(%s %i %i) inode: %p ",
- list_empty(&obj->cob_pending_list) ? "-" : "+",
- obj->cob_transient_pages, atomic_read(&obj->cob_mmap_cnt), inode);
- if (inode) {
- lli = ll_i2info(inode);
- (*p)(env, cookie, "%lu/%u %o %u %i %p "DFID,
- inode->i_ino, inode->i_generation, inode->i_mode,
- inode->i_nlink, atomic_read(&inode->i_count),
- lli->lli_clob, PFID(&lli->lli_fid));
- }
- return 0;
+ struct ccc_object *obj = lu2ccc(o);
+ struct inode *inode = obj->cob_inode;
+ struct ll_inode_info *lli;
+
+ (*p)(env, cookie, "(%s %d %d) inode: %p ",
+ list_empty(&obj->cob_pending_list) ? "-" : "+",
+ obj->cob_transient_pages, atomic_read(&obj->cob_mmap_cnt),
+ inode);
+ if (inode) {
+ lli = ll_i2info(inode);
+ (*p)(env, cookie, "%lu/%u %o %u %d %p "DFID,
+ inode->i_ino, inode->i_generation, inode->i_mode,
+ inode->i_nlink, atomic_read(&inode->i_count),
+ lli->lli_clob, PFID(&lli->lli_fid));
+ }
+ return 0;
}
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);
-
- /*
- * lov overwrites most of these fields in
- * lov_attr_get()->...lov_merge_lvb_kms(), except when inode
- * attributes are newer.
- */
-
- attr->cat_size = i_size_read(inode);
- attr->cat_mtime = LTIME_S(inode->i_mtime);
- attr->cat_atime = LTIME_S(inode->i_atime);
- attr->cat_ctime = LTIME_S(inode->i_ctime);
- attr->cat_blocks = inode->i_blocks;
- attr->cat_uid = inode->i_uid;
- attr->cat_gid = inode->i_gid;
- /* KMS is not known by this layer */
- return 0; /* layers below have to fill in the rest */
+ struct inode *inode = ccc_object_inode(obj);
+
+ /*
+ * lov overwrites most of these fields in
+ * lov_attr_get()->...lov_merge_lvb_kms(), except when inode
+ * attributes are newer.
+ */
+
+ attr->cat_size = i_size_read(inode);
+ attr->cat_mtime = LTIME_S(inode->i_mtime);
+ attr->cat_atime = LTIME_S(inode->i_atime);
+ attr->cat_ctime = LTIME_S(inode->i_ctime);
+ attr->cat_blocks = inode->i_blocks;
+ attr->cat_uid = from_kuid(&init_user_ns, inode->i_uid);
+ attr->cat_gid = from_kgid(&init_user_ns, inode->i_gid);
+ /* KMS is not known by this layer */
+ 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)
{
- struct inode *inode = ccc_object_inode(obj);
-
- if (valid & CAT_UID)
- inode->i_uid = attr->cat_uid;
- if (valid & CAT_GID)
- inode->i_gid = attr->cat_gid;
- if (0 && valid & CAT_SIZE)
- i_size_write(inode, attr->cat_size);
- /* not currently necessary */
- if (0 && valid & (CAT_UID|CAT_GID|CAT_SIZE))
- mark_inode_dirty(inode);
- return 0;
+ struct inode *inode = ccc_object_inode(obj);
+
+ if (valid & CAT_UID)
+ inode->i_uid = make_kuid(&init_user_ns, attr->cat_uid);
+ if (valid & CAT_GID)
+ inode->i_gid = make_kgid(&init_user_ns, attr->cat_gid);
+ if (valid & CAT_ATIME)
+ LTIME_S(inode->i_atime) = attr->cat_atime;
+ if (valid & CAT_MTIME)
+ LTIME_S(inode->i_mtime) = attr->cat_mtime;
+ if (valid & CAT_CTIME)
+ LTIME_S(inode->i_ctime) = attr->cat_ctime;
+ if (0 && valid & CAT_SIZE)
+ cl_isize_write_nolock(inode, attr->cat_size);
+ /* not currently necessary */
+ if (0 && valid & (CAT_UID|CAT_GID|CAT_SIZE))
+ mark_inode_dirty(inode);
+ return 0;
+}
+
+static int vvp_conf_set(const struct lu_env *env, struct cl_object *obj,
+ const struct cl_object_conf *conf)
+{
+ struct ll_inode_info *lli = ll_i2info(conf->coc_inode);
+
+ if (conf->coc_opc == OBJECT_CONF_INVALIDATE) {
+ CDEBUG(D_VFSTRACE, DFID ": losing layout lock\n",
+ PFID(&lli->lli_fid));
+
+ ll_layout_version_set(lli, LL_LAYOUT_GEN_NONE);
+
+ /* Clean up page mmap for this inode.
+ * The reason for us to do this is that if the page has
+ * already been installed into memory space, the process
+ * can access it without interacting with lustre, so this
+ * page may be stale due to layout change, and the process
+ * will never be notified.
+ * This operation is expensive but mmap processes have to pay
+ * a price themselves. */
+ unmap_mapping_range(conf->coc_inode->i_mapping,
+ 0, OBD_OBJECT_EOF, 0);
+ }
+ return 0;
+}
+
+static int vvp_prune(const struct lu_env *env, struct cl_object *obj)
+{
+ struct inode *inode = ccc_object_inode(obj);
+ int rc;
+ ENTRY;
+
+ rc = cl_sync_file_range(inode, 0, OBD_OBJECT_EOF, CL_FSYNC_ALL, 1);
+ if (rc == 0)
+ truncate_inode_pages(inode->i_mapping, 0);
+
+ RETURN(rc);
}
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 = ccc_conf_set,
- .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_set = vvp_attr_set,
+ .coo_conf_set = vvp_conf_set,
+ .coo_prune = vvp_prune,
+ .coo_glimpse = ccc_object_glimpse
};
static const struct lu_object_operations vvp_lu_obj_ops = {
git://git.whamcloud.com / fs / lustre-release.git / blobdiff