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LU-3319 procfs: move configuration layer proc handling over to seq_file
[fs/lustre-release.git] / lustre / mdc / lproc_mdc.c
index 6d7298f..cba4f61 100644 (file)
 
 #ifdef LPROCFS
 
-static int mdc_rd_max_rpcs_in_flight(char *page, char **start, off_t off,
-                                     int count, int *eof, void *data)
+static int mdc_max_rpcs_in_flight_seq_show(struct seq_file *m, void *v)
 {
-        struct obd_device *dev = data;
-        struct client_obd *cli = &dev->u.cli;
-        int rc;
+       struct obd_device *dev = m->private;
+       struct client_obd *cli = &dev->u.cli;
+       int rc;
 
-        client_obd_list_lock(&cli->cl_loi_list_lock);
-        rc = snprintf(page, count, "%u\n", cli->cl_max_rpcs_in_flight);
-        client_obd_list_unlock(&cli->cl_loi_list_lock);
-        return rc;
+       client_obd_list_lock(&cli->cl_loi_list_lock);
+       rc = seq_printf(m, "%u\n", cli->cl_max_rpcs_in_flight);
+       client_obd_list_unlock(&cli->cl_loi_list_lock);
+       return rc;
 }
 
-static int mdc_wr_max_rpcs_in_flight(struct file *file, const char *buffer,
-                                     unsigned long count, void *data)
+static ssize_t mdc_max_rpcs_in_flight_seq_write(struct file *file,
+                                               const char *buffer,
+                                               size_t count,
+                                               loff_t *off)
 {
-        struct obd_device *dev = data;
+       struct obd_device *dev = ((struct seq_file *)file->private_data)->private;
         struct client_obd *cli = &dev->u.cli;
         int val, rc;
 
@@ -75,46 +76,56 @@ static int mdc_wr_max_rpcs_in_flight(struct file *file, const char *buffer,
 
         return count;
 }
+LPROC_SEQ_FOPS(mdc_max_rpcs_in_flight);
 
-static struct lprocfs_vars lprocfs_mdc_obd_vars[] = {
-        { "uuid",            lprocfs_rd_uuid,        0, 0 },
-        { "ping",            0, lprocfs_wr_ping,     0, 0, 0222 },
-        { "connect_flags",   lprocfs_rd_connect_flags, 0, 0 },
-        { "blocksize",       lprocfs_rd_blksize,     0, 0 },
-        { "kbytestotal",     lprocfs_rd_kbytestotal, 0, 0 },
-        { "kbytesfree",      lprocfs_rd_kbytesfree,  0, 0 },
-        { "kbytesavail",     lprocfs_rd_kbytesavail, 0, 0 },
-        { "filestotal",      lprocfs_rd_filestotal,  0, 0 },
-        { "filesfree",       lprocfs_rd_filesfree,   0, 0 },
-        /*{ "filegroups",      lprocfs_rd_filegroups,  0, 0 },*/
-        { "mds_server_uuid", lprocfs_rd_server_uuid, 0, 0 },
-        { "mds_conn_uuid",   lprocfs_rd_conn_uuid,   0, 0 },
-        /*
-         * FIXME: below proc entry is provided, but not in used, instead
-         * sbi->sb_md_brw_size is used, the per obd variable should be used
-         * when CMD is enabled, and dir pages are managed in MDC layer.
-         * Remember to enable proc write function.
-         */
-        { "max_pages_per_rpc",  lprocfs_obd_rd_max_pages_per_rpc,
-                                /* lprocfs_obd_wr_max_pages_per_rpc */0, 0 },
-        { "max_rpcs_in_flight", mdc_rd_max_rpcs_in_flight,
-                                mdc_wr_max_rpcs_in_flight, 0 },
-        { "timeouts",        lprocfs_rd_timeouts,    0, 0 },
-        { "import",          lprocfs_rd_import,      lprocfs_wr_import, 0 },
-        { "state",           lprocfs_rd_state,       0, 0 },
-        { "pinger_recov",    lprocfs_rd_pinger_recov,
-                             lprocfs_wr_pinger_recov, 0, 0 },
-        { 0 }
-};
+LPROC_SEQ_FOPS_WO_TYPE(mdc, ping);
 
-static struct lprocfs_vars lprocfs_mdc_module_vars[] = {
-        { "num_refs",        lprocfs_rd_numrefs,     0, 0 },
-        { 0 }
-};
+LPROC_SEQ_FOPS_RO_TYPE(mdc, uuid);
+LPROC_SEQ_FOPS_RO_TYPE(mdc, connect_flags);
+LPROC_SEQ_FOPS_RO_TYPE(mdc, blksize);
+LPROC_SEQ_FOPS_RO_TYPE(mdc, kbytestotal);
+LPROC_SEQ_FOPS_RO_TYPE(mdc, kbytesfree);
+LPROC_SEQ_FOPS_RO_TYPE(mdc, kbytesavail);
+LPROC_SEQ_FOPS_RO_TYPE(mdc, filestotal);
+LPROC_SEQ_FOPS_RO_TYPE(mdc, filesfree);
+LPROC_SEQ_FOPS_RO_TYPE(mdc, server_uuid);
+LPROC_SEQ_FOPS_RO_TYPE(mdc, conn_uuid);
+LPROC_SEQ_FOPS_RO_TYPE(mdc, timeouts);
+LPROC_SEQ_FOPS_RO_TYPE(mdc, state);
 
-void lprocfs_mdc_init_vars(struct lprocfs_static_vars *lvars)
+static int mdc_obd_max_pages_per_rpc_seq_show(struct seq_file *m, void *v)
 {
-    lvars->module_vars  = lprocfs_mdc_module_vars;
-    lvars->obd_vars     = lprocfs_mdc_obd_vars;
+       return lprocfs_obd_max_pages_per_rpc_seq_show(m, m->private);
 }
+LPROC_SEQ_FOPS_RO(mdc_obd_max_pages_per_rpc);
+
+LPROC_SEQ_FOPS_RW_TYPE(mdc, import);
+LPROC_SEQ_FOPS_RW_TYPE(mdc, pinger_recov);
+
+struct lprocfs_seq_vars lprocfs_mdc_obd_vars[] = {
+       { "uuid",               &mdc_uuid_fops,         0,      0 },
+       { "ping",               &mdc_ping_fops,         0,      0222 },
+       { "connect_flags",      &mdc_connect_flags_fops,0,      0 },
+       { "blocksize",          &mdc_blksize_fops,      0,      0 },
+       { "kbytestotal",        &mdc_kbytestotal_fops,  0,      0 },
+       { "kbytesfree",         &mdc_kbytesfree_fops,   0,      0 },
+       { "kbytesavail",        &mdc_kbytesavail_fops,  0,      0 },
+       { "filestotal",         &mdc_filestotal_fops,   0,      0 },
+       { "filesfree",          &mdc_filesfree_fops,    0,      0 },
+       { "mds_server_uuid",    &mdc_server_uuid_fops,  0,      0 },
+       { "mds_conn_uuid",      &mdc_conn_uuid_fops,    0,      0 },
+       /*
+        * FIXME: below proc entry is provided, but not in used, instead
+        * sbi->sb_md_brw_size is used, the per obd variable should be used
+        * when CMD is enabled, and dir pages are managed in MDC layer.
+        * Remember to enable proc write function.
+        */
+       { "max_pages_per_rpc",  &mdc_obd_max_pages_per_rpc_fops },
+       { "max_rpcs_in_flight", &mdc_max_rpcs_in_flight_fops    },
+       { "timeouts",           &mdc_timeouts_fops              },
+       { "import",             &mdc_import_fops                },
+       { "state",              &mdc_state_fops                 },
+       { "pinger_recov",       &mdc_pinger_recov_fops          },
+       { 0 }
+};
 #endif /* LPROCFS */