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36 #define DEBUG_SUBSYSTEM S_CLASS
38 #include <linux/vfs.h>
39 #include "../include/obd_class.h"
40 #include "../include/lprocfs_status.h"
42 static int mdc_max_rpcs_in_flight_seq_show(struct seq_file *m, void *v)
44 struct obd_device *dev = m->private;
45 struct client_obd *cli = &dev->u.cli;
47 client_obd_list_lock(&cli->cl_loi_list_lock);
48 seq_printf(m, "%u\n", cli->cl_max_rpcs_in_flight);
49 client_obd_list_unlock(&cli->cl_loi_list_lock);
54 static ssize_t mdc_max_rpcs_in_flight_seq_write(struct file *file,
55 const char __user *buffer,
59 struct obd_device *dev =
60 ((struct seq_file *)file->private_data)->private;
61 struct client_obd *cli = &dev->u.cli;
64 rc = lprocfs_write_helper(buffer, count, &val);
68 if (val < 1 || val > MDC_MAX_RIF_MAX)
71 client_obd_list_lock(&cli->cl_loi_list_lock);
72 cli->cl_max_rpcs_in_flight = val;
73 client_obd_list_unlock(&cli->cl_loi_list_lock);
77 LPROC_SEQ_FOPS(mdc_max_rpcs_in_flight);
79 static int mdc_kuc_open(struct inode *inode, struct file *file)
81 return single_open(file, NULL, PDE_DATA(inode));
84 /* temporary for testing */
85 static ssize_t mdc_kuc_write(struct file *file,
86 const char __user *buffer,
87 size_t count, loff_t *off)
89 struct obd_device *obd =
90 ((struct seq_file *)file->private_data)->private;
92 struct hsm_action_list *hal;
93 struct hsm_action_item *hai;
97 rc = lprocfs_write_helper(buffer, count, &fd);
103 CWARN("message to fd %d\n", fd);
105 len = sizeof(*lh) + sizeof(*hal) + MTI_NAME_MAXLEN +
106 /* for mockup below */ 2 * cfs_size_round(sizeof(*hai));
112 lh->kuc_magic = KUC_MAGIC;
113 lh->kuc_transport = KUC_TRANSPORT_HSM;
114 lh->kuc_msgtype = HMT_ACTION_LIST;
115 lh->kuc_msglen = len;
117 hal = (struct hsm_action_list *)(lh + 1);
118 hal->hal_version = HAL_VERSION;
119 hal->hal_archive_id = 1;
121 obd_uuid2fsname(hal->hal_fsname, obd->obd_name, MTI_NAME_MAXLEN);
123 /* mock up an action list */
126 hai->hai_action = HSMA_ARCHIVE;
127 hai->hai_fid.f_oid = 5;
128 hai->hai_len = sizeof(*hai);
130 hai->hai_action = HSMA_RESTORE;
131 hai->hai_fid.f_oid = 10;
132 hai->hai_len = sizeof(*hai);
134 /* This works for either broadcast or unicast to a single fd */
136 rc = libcfs_kkuc_group_put(KUC_GRP_HSM, lh);
138 struct file *fp = fget(fd);
140 rc = libcfs_kkuc_msg_put(fp, lh);
149 struct file_operations mdc_kuc_fops = {
150 .open = mdc_kuc_open,
151 .write = mdc_kuc_write,
152 .release = single_release,
155 LPROC_SEQ_FOPS_WR_ONLY(mdc, ping);
157 LPROC_SEQ_FOPS_RO_TYPE(mdc, uuid);
158 LPROC_SEQ_FOPS_RO_TYPE(mdc, connect_flags);
159 LPROC_SEQ_FOPS_RO_TYPE(mdc, blksize);
160 LPROC_SEQ_FOPS_RO_TYPE(mdc, kbytestotal);
161 LPROC_SEQ_FOPS_RO_TYPE(mdc, kbytesfree);
162 LPROC_SEQ_FOPS_RO_TYPE(mdc, kbytesavail);
163 LPROC_SEQ_FOPS_RO_TYPE(mdc, filestotal);
164 LPROC_SEQ_FOPS_RO_TYPE(mdc, filesfree);
165 LPROC_SEQ_FOPS_RO_TYPE(mdc, server_uuid);
166 LPROC_SEQ_FOPS_RO_TYPE(mdc, conn_uuid);
167 LPROC_SEQ_FOPS_RO_TYPE(mdc, timeouts);
168 LPROC_SEQ_FOPS_RO_TYPE(mdc, state);
170 static int mdc_obd_max_pages_per_rpc_seq_show(struct seq_file *m, void *v)
172 return lprocfs_obd_rd_max_pages_per_rpc(m, m->private);
174 LPROC_SEQ_FOPS_RO(mdc_obd_max_pages_per_rpc);
176 LPROC_SEQ_FOPS_RW_TYPE(mdc, import);
177 LPROC_SEQ_FOPS_RW_TYPE(mdc, pinger_recov);
179 static struct lprocfs_vars lprocfs_mdc_obd_vars[] = {
180 { "uuid", &mdc_uuid_fops, NULL, 0 },
181 { "ping", &mdc_ping_fops, NULL, 0222 },
182 { "connect_flags", &mdc_connect_flags_fops, NULL, 0 },
183 { "blocksize", &mdc_blksize_fops, NULL, 0 },
184 { "kbytestotal", &mdc_kbytestotal_fops, NULL, 0 },
185 { "kbytesfree", &mdc_kbytesfree_fops, NULL, 0 },
186 { "kbytesavail", &mdc_kbytesavail_fops, NULL, 0 },
187 { "filestotal", &mdc_filestotal_fops, NULL, 0 },
188 { "filesfree", &mdc_filesfree_fops, NULL, 0 },
189 /*{ "filegroups", lprocfs_rd_filegroups, NULL, 0 },*/
190 { "mds_server_uuid", &mdc_server_uuid_fops, NULL, 0 },
191 { "mds_conn_uuid", &mdc_conn_uuid_fops, NULL, 0 },
193 * FIXME: below proc entry is provided, but not in used, instead
194 * sbi->sb_md_brw_size is used, the per obd variable should be used
195 * when CMD is enabled, and dir pages are managed in MDC layer.
196 * Remember to enable proc write function.
198 { "max_pages_per_rpc", &mdc_obd_max_pages_per_rpc_fops, NULL, 0 },
199 { "max_rpcs_in_flight", &mdc_max_rpcs_in_flight_fops, NULL, 0 },
200 { "timeouts", &mdc_timeouts_fops, NULL, 0 },
201 { "import", &mdc_import_fops, NULL, 0 },
202 { "state", &mdc_state_fops, NULL, 0 },
203 { "hsm_nl", &mdc_kuc_fops, NULL, 0200 },
204 { "pinger_recov", &mdc_pinger_recov_fops, NULL, 0 },
208 LPROC_SEQ_FOPS_RO_TYPE(mdc, numrefs);
210 static struct lprocfs_vars lprocfs_mdc_module_vars[] = {
211 { "num_refs", &mdc_numrefs_fops, NULL, 0 },
215 void lprocfs_mdc_init_vars(struct lprocfs_static_vars *lvars)
217 lvars->module_vars = lprocfs_mdc_module_vars;
218 lvars->obd_vars = lprocfs_mdc_obd_vars;