*
* Lustre Light Super operations
*
- * This code is issued under the GNU General Public License.
- * See the file COPYING in this distribution
+ * Copyright (c) 2002, 2003 Cluster File Systems, Inc.
*
- * Copryright (C) 2002 Cluster File Systems, Inc.
+ * This file is part of Lustre, http://www.lustre.org.
+ *
+ * Lustre is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * Lustre is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Lustre; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#define DEBUG_SUBSYSTEM S_LLITE
extern struct address_space_operations ll_dir_aops;
struct super_operations ll_super_operations;
+/* /proc/lustre/llite root that tracks llite mount points */
+struct proc_dir_entry *proc_lustre_fs_root;
+/* lproc_llite.c */
+extern int lprocfs_register_mountpoint(struct proc_dir_entry *parent,
+ struct super_block *sb,
+ char *osc, char *mdc);
+
extern int ll_recover(struct recovd_data *, int);
extern int ll_commitcbd_setup(struct ll_sb_info *);
extern int ll_commitcbd_cleanup(struct ll_sb_info *);
-extern void ll_proc_namespace(struct super_block* sb, char* osc, char* mdc);
-
static char *ll_read_opt(const char *opt, char *data)
{
char *value;
struct ptlrpc_connection *mdc_conn;
struct ll_read_inode2_cookie lic;
class_uuid_t uuid;
+ struct obd_uuid param_uuid;
ENTRY;
INIT_LIST_HEAD(&sbi->ll_conn_chain);
INIT_LIST_HEAD(&sbi->ll_orphan_dentry_list);
generate_random_uuid(uuid);
- class_uuid_unparse(uuid, sbi->ll_sb_uuid);
+ class_uuid_unparse(uuid, &sbi->ll_sb_uuid);
sb->u.generic_sbp = sbi;
GOTO(out_free, sb = NULL);
}
- obd = class_uuid2obd(mdc);
+ strncpy(param_uuid.uuid, mdc, sizeof(param_uuid.uuid));
+ obd = class_uuid2obd(¶m_uuid);
if (!obd) {
CERROR("MDC %s: not setup or attached\n", mdc);
GOTO(out_free, sb = NULL);
}
- err = obd_connect(&sbi->ll_mdc_conn, obd, sbi->ll_sb_uuid,
+ err = obd_connect(&sbi->ll_mdc_conn, obd, &sbi->ll_sb_uuid,
ptlrpc_recovd, ll_recover);
if (err) {
CERROR("cannot connect to %s: rc = %d\n", mdc, err);
mdc_conn = sbi2mdc(sbi)->cl_import.imp_connection;
list_add(&mdc_conn->c_sb_chain, &sbi->ll_conn_chain);
- obd = class_uuid2obd(osc);
+ strncpy(param_uuid.uuid, osc, sizeof(param_uuid.uuid));
+ obd = class_uuid2obd(¶m_uuid);
if (!obd) {
CERROR("OSC %s: not setup or attached\n", osc);
GOTO(out_mdc, sb = NULL);
}
- err = obd_connect(&sbi->ll_osc_conn, obd, sbi->ll_sb_uuid,
+ err = obd_connect(&sbi->ll_osc_conn, obd, &sbi->ll_sb_uuid,
ptlrpc_recovd, ll_recover);
if (err) {
CERROR("cannot connect to %s: rc = %d\n", osc, err);
ptlrpc_req_finished(request);
request = NULL;
- ll_proc_namespace(sb, osc, mdc);
+
+ if (proc_lustre_fs_root) {
+ err = lprocfs_register_mountpoint(proc_lustre_fs_root, sb,
+ osc, mdc);
+ if (err < 0)
+ CERROR("could not register mount in /proc/lustre");
+ }
out_dev:
if (mdc)
*/
mdc_getstatus(&sbi->ll_mdc_conn, &rootfid);
- lprocfs_dereg_mnt(sbi->ll_proc_root);
- sbi->ll_proc_root = NULL;
+ if (sbi->ll_proc_root) {
+ lprocfs_remove(sbi->ll_proc_root);
+ sbi->ll_proc_root = NULL;
+ }
obd_disconnect(&sbi->ll_mdc_conn);
obd_free_memmd(&sbi->ll_osc_conn, &lli->lli_smd);
if (lli->lli_symlink_name) {
- OBD_FREE(lli->lli_symlink_name,strlen(lli->lli_symlink_name)+1);
+ OBD_FREE(lli->lli_symlink_name,
+ strlen(lli->lli_symlink_name) + 1);
lli->lli_symlink_name = NULL;
}
EXIT;
}
+#if 0
static void ll_delete_inode(struct inode *inode)
{
ENTRY;
oa->o_id = lsm->lsm_object_id;
obdo_from_inode(oa, inode, OBD_MD_FLID | OBD_MD_FLTYPE);
- err = obd_destroy(ll_i2obdconn(inode), oa, lsm);
+ err = obd_destroy(ll_i2obdconn(inode), oa, lsm, NULL);
obdo_free(oa);
if (err)
- CDEBUG(D_SUPER, "obd destroy objid "LPX64" error %d\n",
- lsm->lsm_object_id, err);
+ CDEBUG(D_INODE,
+ "inode %lu obd_destroy objid "LPX64" error %d\n",
+ inode->i_ino, lsm->lsm_object_id, err);
}
out:
clear_inode(inode);
EXIT;
}
+#endif
/* like inode_setattr, but doesn't mark the inode dirty */
-static int ll_attr2inode(struct inode * inode, struct iattr * attr, int trunc)
+static int ll_attr2inode(struct inode *inode, struct iattr *attr, int trunc)
{
unsigned int ia_valid = attr->ia_valid;
int error = 0;
*/
attr->ia_valid &= ~ATTR_SIZE;
if (attr->ia_valid) {
- err = mdc_setattr(&sbi->ll_mdc_conn, inode, attr, &request);
+ err = mdc_setattr(&sbi->ll_mdc_conn, inode, attr, NULL, 0,
+ &request);
if (err)
- CERROR("mdc_setattr fails (%d)\n", err);
+ CERROR("mdc_setattr fails: err = %d\n", err);
ptlrpc_req_finished(request);
+ if (S_ISREG(inode->i_mode) && attr->ia_valid & ATTR_MTIME_SET) {
+ struct lov_stripe_md *lsm = ll_i2info(inode)->lli_smd;
+ struct obdo oa;
+ int err2;
+
+ CDEBUG(D_INODE, "set mtime on OST inode %lu to %lu\n",
+ inode->i_ino, attr->ia_mtime);
+ oa.o_id = lsm->lsm_object_id;
+ oa.o_mode = S_IFREG;
+ oa.o_valid = OBD_MD_FLID |OBD_MD_FLTYPE |OBD_MD_FLMTIME;
+ oa.o_mtime = attr->ia_mtime;
+ err2 = obd_setattr(&sbi->ll_osc_conn, &oa, lsm, NULL);
+ if (err2) {
+ CERROR("obd_setattr fails: rc=%d\n", err);
+ if (!err)
+ err = err2;
+ }
+ }
}
RETURN(err);
RETURN(rc);
}
-void ll_update_inode(struct inode *inode, struct mds_body *body)
+void ll_update_inode(struct inode *inode, struct mds_body *body,
+ struct lov_mds_md *lmm)
{
+ struct ll_inode_info *lli = ll_i2info(inode);
+
+ if (lmm != NULL)
+ obd_unpackmd(ll_i2obdconn(inode), &lli->lli_smd, lmm);
+
if (body->valid & OBD_MD_FLID)
inode->i_ino = body->ino;
if (body->valid & OBD_MD_FLATIME)
inode->i_rdev = body->rdev;
if (body->valid & OBD_MD_FLSIZE)
inode->i_size = body->size;
+ if (body->valid & OBD_MD_FLBLOCKS)
+ inode->i_blocks = body->blocks;
}
static void ll_read_inode2(struct inode *inode, void *opaque)
sema_init(&lli->lli_open_sem, 1);
atomic_set(&lli->lli_open_count, 0);
- /* core attributes first */
- ll_update_inode(inode, body);
-
LASSERT(!lli->lli_smd);
- if (lic && lic->lic_lmm)
- obd_unpackmd(ll_i2obdconn(inode), &lli->lli_smd, lic->lic_lmm);
+
+ /* core attributes first */
+ ll_update_inode(inode, body, lic ? lic->lic_lmm : NULL);
/* Get the authoritative file size */
if (lli->lli_smd && (inode->i_mode & S_IFREG)) {
int rc;
LASSERT(lli->lli_smd->lsm_object_id != 0);
- rc = ll_file_size(inode, lli->lli_smd);
+ rc = ll_file_size(inode, lli->lli_smd, NULL);
if (rc) {
CERROR("ll_file_size: %d\n", rc);
ll_clear_inode(inode);
inode->i_op = &ll_fast_symlink_inode_operations;
EXIT;
} else {
+ inode->i_op = &ll_special_inode_operations;
init_special_inode(inode, inode->i_mode, inode->i_rdev);
EXIT;
}
list_entry(tmp, struct ptlrpc_request, rq_list);
CERROR("invalidating req xid "LPU64" op %d to %s:%d\n",
req->rq_xid, req->rq_reqmsg->opc,
- req->rq_connection->c_remote_uuid,
+ req->rq_connection->c_remote_uuid.uuid,
req->rq_import->imp_client->cli_request_portal);
req->rq_flags |= PTL_RPC_FL_ERR;
wake_up(&req->rq_wait_for_rep);
{
read_inode2: ll_read_inode2,
clear_inode: ll_clear_inode,
- delete_inode: ll_delete_inode,
+ // delete_inode: ll_delete_inode,
put_super: ll_put_super,
statfs: ll_statfs,
umount_begin: ll_umount_begin
static int __init init_lustre_lite(void)
{
- printk(KERN_INFO "Lustre Lite 0.5.14, info@clusterfs.com\n");
+ printk(KERN_INFO "Lustre Lite Client File System; "
+ "info@clusterfs.com\n");
ll_file_data_slab = kmem_cache_create("ll_file_data",
sizeof(struct ll_file_data), 0,
SLAB_HWCACHE_ALIGN, NULL, NULL);
if (ll_file_data_slab == NULL)
return -ENOMEM;
+
+ proc_lustre_fs_root = proc_lustre_root ? proc_mkdir("llite", proc_lustre_root) : NULL;
+
return register_filesystem(&lustre_lite_fs_type);
}
{
unregister_filesystem(&lustre_lite_fs_type);
kmem_cache_destroy(ll_file_data_slab);
+
+ if (proc_lustre_fs_root) {
+ lprocfs_remove(proc_lustre_fs_root);
+ proc_lustre_fs_root = NULL;
+ }
}
MODULE_AUTHOR("Cluster File Systems, Inc. <info@clusterfs.com>");
-MODULE_DESCRIPTION("Lustre Lite Client File System v1.0");
+MODULE_DESCRIPTION("Lustre Lite Client File System");
MODULE_LICENSE("GPL");
module_init(init_lustre_lite);