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36 #define DEBUG_SUBSYSTEM S_CLASS
38 #include <linux/version.h>
39 #include <linux/vfs.h>
40 #include <obd_class.h>
41 #include <lprocfs_status.h>
45 static int mdc_rd_max_rpcs_in_flight(char *page, char **start, off_t off,
46 int count, int *eof, void *data)
48 struct obd_device *dev = data;
49 struct client_obd *cli = &dev->u.cli;
52 client_obd_list_lock(&cli->cl_loi_list_lock);
53 rc = snprintf(page, count, "%u\n", cli->cl_max_rpcs_in_flight);
54 client_obd_list_unlock(&cli->cl_loi_list_lock);
58 static int mdc_wr_max_rpcs_in_flight(struct file *file, const char *buffer,
59 unsigned long count, void *data)
61 struct obd_device *dev = data;
62 struct client_obd *cli = &dev->u.cli;
65 rc = lprocfs_write_helper(buffer, count, &val);
69 if (val < 1 || val > MDC_MAX_RIF_MAX)
72 client_obd_list_lock(&cli->cl_loi_list_lock);
73 cli->cl_max_rpcs_in_flight = val;
74 client_obd_list_unlock(&cli->cl_loi_list_lock);
79 /* temporary for testing */
80 static int mdc_wr_kuc(struct file *file, const char *buffer,
81 unsigned long count, void *data)
83 struct obd_device *obd = data;
85 struct hsm_action_list *hal;
86 struct hsm_action_item *hai;
91 rc = lprocfs_write_helper(buffer, count, &fd);
97 CWARN("message to fd %d\n", fd);
99 len = sizeof(*lh) + sizeof(*hal) + MTI_NAME_MAXLEN +
100 /* for mockup below */ 2 * cfs_size_round(sizeof(*hai));
104 lh->kuc_magic = KUC_MAGIC;
105 lh->kuc_transport = KUC_TRANSPORT_HSM;
106 lh->kuc_msgtype = HMT_ACTION_LIST;
107 lh->kuc_msglen = len;
109 hal = (struct hsm_action_list *)(lh + 1);
110 hal->hal_version = HAL_VERSION;
111 hal->hal_archive_id = 1;
113 obd_uuid2fsname(hal->hal_fsname, obd->obd_name, MTI_NAME_MAXLEN);
115 /* mock up an action list */
118 hai->hai_action = HSMA_ARCHIVE;
119 hai->hai_fid.f_oid = 5;
120 hai->hai_len = sizeof(*hai);
122 hai->hai_action = HSMA_RESTORE;
123 hai->hai_fid.f_oid = 10;
124 hai->hai_len = sizeof(*hai);
126 /* This works for either broadcast or unicast to a single fd */
128 rc = libcfs_kkuc_group_put(KUC_GRP_HSM, lh);
130 struct file *fp = fget(fd);
132 rc = libcfs_kkuc_msg_put(fp, lh);
141 static struct lprocfs_vars lprocfs_mdc_obd_vars[] = {
142 { "uuid", lprocfs_rd_uuid, 0, 0 },
143 { "ping", 0, lprocfs_wr_ping, 0, 0, 0222 },
144 { "connect_flags", lprocfs_rd_connect_flags, 0, 0 },
145 { "blocksize", lprocfs_rd_blksize, 0, 0 },
146 { "kbytestotal", lprocfs_rd_kbytestotal, 0, 0 },
147 { "kbytesfree", lprocfs_rd_kbytesfree, 0, 0 },
148 { "kbytesavail", lprocfs_rd_kbytesavail, 0, 0 },
149 { "filestotal", lprocfs_rd_filestotal, 0, 0 },
150 { "filesfree", lprocfs_rd_filesfree, 0, 0 },
151 /*{ "filegroups", lprocfs_rd_filegroups, 0, 0 },*/
152 { "mds_server_uuid", lprocfs_rd_server_uuid, 0, 0 },
153 { "mds_conn_uuid", lprocfs_rd_conn_uuid, 0, 0 },
155 * FIXME: below proc entry is provided, but not in used, instead
156 * sbi->sb_md_brw_size is used, the per obd variable should be used
157 * when CMD is enabled, and dir pages are managed in MDC layer.
158 * Remember to enable proc write function.
160 { "max_pages_per_rpc", lprocfs_obd_rd_max_pages_per_rpc,
161 /* lprocfs_obd_wr_max_pages_per_rpc */0, 0 },
162 { "max_rpcs_in_flight", mdc_rd_max_rpcs_in_flight,
163 mdc_wr_max_rpcs_in_flight, 0 },
164 { "timeouts", lprocfs_rd_timeouts, 0, 0 },
165 { "import", lprocfs_rd_import, lprocfs_wr_import, 0 },
166 { "state", lprocfs_rd_state, 0, 0 },
167 { "hsm_nl", 0, mdc_wr_kuc, 0, 0, 0200 },
168 { "pinger_recov", lprocfs_rd_pinger_recov,
169 lprocfs_wr_pinger_recov, 0, 0 },
173 static struct lprocfs_vars lprocfs_mdc_module_vars[] = {
174 { "num_refs", lprocfs_rd_numrefs, 0, 0 },
178 void lprocfs_mdc_init_vars(struct lprocfs_static_vars *lvars)
180 lvars->module_vars = lprocfs_mdc_module_vars;
181 lvars->obd_vars = lprocfs_mdc_obd_vars;