Whamcloud - gitweb
LU-4563 Fix unsafe userspace access in many proc files
[fs/lustre-release.git] / lustre / ofd / lproc_ofd.c
index 4d104e5..359b373 100644 (file)
@@ -27,7 +27,7 @@
  * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
  *
- * Copyright (c) 2011, 2012, Whamcloud, Inc.
+ * Copyright (c) 2012, 2013, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
 
 #define DEBUG_SUBSYSTEM S_CLASS
 
-#include <linux/version.h>
-#include <lprocfs_status.h>
 #include <obd.h>
+#include <lprocfs_status.h>
 #include <linux/seq_file.h>
-#include <linux/version.h>
+#include <lustre_lfsck.h>
 
 #include "ofd_internal.h"
 
 #ifdef LPROCFS
 
+static int lprocfs_ofd_rd_seqs(char *page, char **start, off_t off,
+                               int count, int *eof, void *data)
+{
+       struct obd_device *obd = (struct obd_device *)data;
+       struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
+
+       *eof = 1;
+       return snprintf(page, count, "%u\n", ofd->ofd_seq_count);
+}
+
+static int lprocfs_ofd_rd_tot_dirty(char *page, char **start, off_t off,
+                                   int count, int *eof, void *data)
+{
+       struct obd_device *obd = (struct obd_device *)data;
+       struct ofd_device *ofd;
+
+       LASSERT(obd != NULL);
+       ofd = ofd_dev(obd->obd_lu_dev);
+       *eof = 1;
+       return snprintf(page, count, LPU64"\n", ofd->ofd_tot_dirty);
+}
+
+static int lprocfs_ofd_rd_tot_granted(char *page, char **start, off_t off,
+                                     int count, int *eof, void *data)
+{
+       struct obd_device *obd = (struct obd_device *)data;
+       struct ofd_device *ofd;
+
+       LASSERT(obd != NULL);
+       ofd = ofd_dev(obd->obd_lu_dev);
+       *eof = 1;
+       return snprintf(page, count, LPU64"\n", ofd->ofd_tot_granted);
+}
+
+static int lprocfs_ofd_rd_tot_pending(char *page, char **start, off_t off,
+                                     int count, int *eof, void *data)
+{
+       struct obd_device *obd = (struct obd_device *)data;
+       struct ofd_device *ofd;
+
+       LASSERT(obd != NULL);
+       ofd = ofd_dev(obd->obd_lu_dev);
+       *eof = 1;
+       return snprintf(page, count, LPU64"\n", ofd->ofd_tot_pending);
+}
+
+static int lprocfs_ofd_rd_grant_precreate(char *page, char **start, off_t off,
+                                         int count, int *eof, void *data)
+{
+       struct obd_device *obd = (struct obd_device *)data;
+
+       LASSERT(obd != NULL);
+       *eof = 1;
+       return snprintf(page, count, "%ld\n",
+                       obd->obd_self_export->exp_filter_data.fed_grant);
+}
+
+static int lprocfs_ofd_rd_grant_ratio(char *page, char **start, off_t off,
+                                     int count, int *eof, void *data)
+{
+       struct obd_device *obd = (struct obd_device *)data;
+       struct ofd_device *ofd;
+
+       LASSERT(obd != NULL);
+       ofd = ofd_dev(obd->obd_lu_dev);
+       *eof = 1;
+       return snprintf(page, count, "%d%%\n",
+                       (int) ofd_grant_reserved(ofd, 100));
+}
+
+static int lprocfs_ofd_wr_grant_ratio(struct file *file,
+                                     const char __user *buffer,
+                                     unsigned long count, void *data)
+{
+       struct obd_device       *obd = (struct obd_device *)data;
+       struct ofd_device       *ofd = ofd_dev(obd->obd_lu_dev);
+       int                      val;
+       int                      rc;
+
+       rc = lprocfs_write_helper(buffer, count, &val);
+       if (rc)
+               return rc;
+
+       if (val > 100 || val < 0)
+               return -EINVAL;
+
+       if (val == 0)
+               CWARN("%s: disabling grant error margin\n", obd->obd_name);
+       if (val > 50)
+               CWARN("%s: setting grant error margin >50%%, be warned that "
+                     "a huge part of the free space is now reserved for "
+                     "grants\n", obd->obd_name);
+
+       spin_lock(&ofd->ofd_grant_lock);
+       ofd->ofd_grant_ratio = ofd_grant_ratio_conv(val);
+       spin_unlock(&ofd->ofd_grant_lock);
+       return count;
+}
+
+static int lprocfs_ofd_rd_precreate_batch(char *page, char **start, off_t off,
+                                         int count, int *eof, void *data)
+{
+       struct obd_device *obd = (struct obd_device *)data;
+       struct ofd_device *ofd;
+
+       LASSERT(obd != NULL);
+       ofd = ofd_dev(obd->obd_lu_dev);
+       *eof = 1;
+       return snprintf(page, count, "%d\n", ofd->ofd_precreate_batch);
+}
+
+static int lprocfs_ofd_wr_precreate_batch(struct file *file,
+                                         const char __user *buffer,
+                                         unsigned long count, void *data)
+{
+       struct obd_device *obd = (struct obd_device *)data;
+       struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
+       int val;
+       int rc;
+
+       rc = lprocfs_write_helper(buffer, count, &val);
+       if (rc)
+               return rc;
+
+       if (val < 1)
+               return -EINVAL;
+
+       spin_lock(&ofd->ofd_batch_lock);
+       ofd->ofd_precreate_batch = val;
+       spin_unlock(&ofd->ofd_batch_lock);
+       return count;
+}
+
+static int lprocfs_ofd_rd_last_id(char *page, char **start, off_t off,
+                                 int count, int *eof, void *data)
+{
+       struct obd_device       *obd = data;
+       struct ofd_device       *ofd;
+       struct ofd_seq          *oseq = NULL;
+       int                     retval = 0, rc;
+
+       if (obd == NULL)
+               return 0;
+
+       ofd = ofd_dev(obd->obd_lu_dev);
+
+       read_lock(&ofd->ofd_seq_list_lock);
+       cfs_list_for_each_entry(oseq, &ofd->ofd_seq_list, os_list) {
+               __u64 seq;
+
+               seq = ostid_seq(&oseq->os_oi) == 0 ?
+                     fid_idif_seq(ostid_id(&oseq->os_oi),
+                                  ofd->ofd_lut.lut_lsd.lsd_osd_index) :
+                     ostid_seq(&oseq->os_oi);
+               rc = snprintf(page, count, DOSTID"\n", seq,
+                             ostid_id(&oseq->os_oi));
+               if (rc < 0) {
+                       retval = rc;
+                       break;
+               }
+               page += rc;
+               count -= rc;
+               retval += rc;
+       }
+       read_unlock(&ofd->ofd_seq_list_lock);
+       return retval;
+}
+
+int lprocfs_ofd_rd_fmd_max_num(char *page, char **start, off_t off,
+                              int count, int *eof, void *data)
+{
+       struct obd_device       *obd = data;
+       struct ofd_device       *ofd = ofd_dev(obd->obd_lu_dev);
+       int                      rc;
+
+       rc = snprintf(page, count, "%u\n", ofd->ofd_fmd_max_num);
+       return rc;
+}
+
+int lprocfs_ofd_wr_fmd_max_num(struct file *file, const char __user *buffer,
+                              unsigned long count, void *data)
+{
+       struct obd_device       *obd = data;
+       struct ofd_device       *ofd = ofd_dev(obd->obd_lu_dev);
+       int                      val;
+       int                      rc;
+
+       rc = lprocfs_write_helper(buffer, count, &val);
+       if (rc)
+               return rc;
+
+       if (val > 65536 || val < 1)
+               return -EINVAL;
+
+       ofd->ofd_fmd_max_num = val;
+       return count;
+}
+
+int lprocfs_ofd_rd_fmd_max_age(char *page, char **start, off_t off,
+                              int count, int *eof, void *data)
+{
+       struct obd_device       *obd = data;
+       struct ofd_device       *ofd = ofd_dev(obd->obd_lu_dev);
+       int                      rc;
+
+       rc = snprintf(page, count, "%ld\n", ofd->ofd_fmd_max_age / HZ);
+       return rc;
+}
+
+int lprocfs_ofd_wr_fmd_max_age(struct file *file, const char __user *buffer,
+                              unsigned long count, void *data)
+{
+       struct obd_device       *obd = data;
+       struct ofd_device       *ofd = ofd_dev(obd->obd_lu_dev);
+       int                      val;
+       int                      rc;
+
+       rc = lprocfs_write_helper(buffer, count, &val);
+       if (rc)
+               return rc;
+
+       if (val > 65536 || val < 1)
+               return -EINVAL;
+
+       ofd->ofd_fmd_max_age = val * HZ;
+       return count;
+}
+
+static int lprocfs_ofd_rd_capa(char *page, char **start, off_t off,
+                              int count, int *eof, void *data)
+{
+       struct obd_device       *obd = data;
+       int                      rc;
+
+       rc = snprintf(page, count, "capability on: %s\n",
+                     obd->u.filter.fo_fl_oss_capa ? "oss" : "");
+       return rc;
+}
+
+static int lprocfs_ofd_wr_capa(struct file *file, const char __user *buffer,
+                              unsigned long count, void *data)
+{
+       struct obd_device       *obd = data;
+       int                      val, rc;
+
+       rc = lprocfs_write_helper(buffer, count, &val);
+       if (rc)
+               return rc;
+
+       if (val & ~0x1) {
+               CERROR("invalid capability mode, only 0/1 are accepted.\n"
+                      " 1: enable oss fid capability\n"
+                      " 0: disable oss fid capability\n");
+               return -EINVAL;
+       }
+
+       obd->u.filter.fo_fl_oss_capa = val;
+       LCONSOLE_INFO("OSS %s %s fid capability.\n", obd->obd_name,
+                     val ? "enabled" : "disabled");
+       return count;
+}
+
+static int lprocfs_ofd_rd_capa_count(char *page, char **start, off_t off,
+                                    int count, int *eof, void *data)
+{
+       return snprintf(page, count, "%d %d\n",
+                       capa_count[CAPA_SITE_CLIENT],
+                       capa_count[CAPA_SITE_SERVER]);
+}
+
+int lprocfs_ofd_rd_degraded(char *page, char **start, off_t off,
+                           int count, int *eof, void *data)
+{
+       struct obd_device *obd = data;
+       struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
+
+       return snprintf(page, count, "%u\n", ofd->ofd_raid_degraded);
+}
+
+int lprocfs_ofd_wr_degraded(struct file *file, const char __user *buffer,
+                           unsigned long count, void *data)
+{
+       struct obd_device       *obd = data;
+       struct ofd_device       *ofd = ofd_dev(obd->obd_lu_dev);
+       int                      val, rc;
+
+       rc = lprocfs_write_helper(buffer, count, &val);
+       if (rc)
+               return rc;
+
+       spin_lock(&ofd->ofd_flags_lock);
+       ofd->ofd_raid_degraded = !!val;
+       spin_unlock(&ofd->ofd_flags_lock);
+
+       return count;
+}
+
+int lprocfs_ofd_rd_fstype(char *page, char **start, off_t off, int count,
+                         int *eof, void *data)
+{
+       struct obd_device *obd = data;
+       struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
+       struct lu_device  *d;
+
+       LASSERT(ofd->ofd_osd);
+       d = &ofd->ofd_osd->dd_lu_dev;
+       LASSERT(d->ld_type);
+       return snprintf(page, count, "%s\n", d->ld_type->ldt_name);
+}
+
+int lprocfs_ofd_rd_syncjournal(char *page, char **start, off_t off,
+                              int count, int *eof, void *data)
+{
+       struct obd_device       *obd = data;
+       struct ofd_device       *ofd = ofd_dev(obd->obd_lu_dev);
+       int                      rc;
+
+       rc = snprintf(page, count, "%u\n", ofd->ofd_syncjournal);
+       return rc;
+}
+
+int lprocfs_ofd_wr_syncjournal(struct file *file, const char __user *buffer,
+                              unsigned long count, void *data)
+{
+       struct obd_device       *obd = data;
+       struct ofd_device       *ofd = ofd_dev(obd->obd_lu_dev);
+       int                      val;
+       int                      rc;
+
+       rc = lprocfs_write_helper(buffer, count, &val);
+       if (rc)
+               return rc;
+
+       if (val < 0)
+               return -EINVAL;
+
+       spin_lock(&ofd->ofd_flags_lock);
+       ofd->ofd_syncjournal = !!val;
+       ofd_slc_set(ofd);
+       spin_unlock(&ofd->ofd_flags_lock);
+
+       return count;
+}
+
+/* This must be longer than the longest string below */
+#define SYNC_STATES_MAXLEN 16
+static char *sync_on_cancel_states[] = {"never",
+                                       "blocking",
+                                       "always" };
+
+int lprocfs_ofd_rd_sync_lock_cancel(char *page, char **start, off_t off,
+                                   int count, int *eof, void *data)
+{
+       struct obd_device       *obd = data;
+       struct lu_target        *tgt = obd->u.obt.obt_lut;
+       int                      rc;
+
+       rc = snprintf(page, count, "%s\n",
+                     sync_on_cancel_states[tgt->lut_sync_lock_cancel]);
+       return rc;
+}
+
+int lprocfs_ofd_wr_sync_lock_cancel(struct file *file,
+                                   const char __user *buffer,
+                                   unsigned long count, void *data)
+{
+       struct obd_device       *obd = data;
+       struct lu_target        *tgt = obd->u.obt.obt_lut;
+       char                     kernbuf[SYNC_STATES_MAXLEN];
+       int                      val = -1;
+       int                      i;
+
+       if (count == 0 || count >= sizeof(kernbuf))
+               return -EINVAL;
+
+       if (copy_from_user(kernbuf, buffer, count))
+               return -EFAULT;
+       kernbuf[count] = 0;
+
+       if (kernbuf[count - 1] == '\n')
+               kernbuf[count - 1] = 0;
+
+       for (i = 0 ; i < NUM_SYNC_ON_CANCEL_STATES; i++) {
+               if (strcmp(kernbuf, sync_on_cancel_states[i]) == 0) {
+                       val = i;
+                       break;
+               }
+       }
+
+       /* Legacy numeric codes */
+       if (val == -1) {
+               int rc;
+
+               /* Safe to use userspace buffer as lprocfs_write_helper will
+                * use copy from user for parsing */
+               rc = lprocfs_write_helper(buffer, count, &val);
+               if (rc)
+                       return rc;
+       }
+
+       if (val < 0 || val > 2)
+               return -EINVAL;
+
+       spin_lock(&tgt->lut_flags_lock);
+       tgt->lut_sync_lock_cancel = val;
+       spin_unlock(&tgt->lut_flags_lock);
+       return count;
+}
+
+int lprocfs_ofd_rd_grant_compat_disable(char *page, char **start, off_t off,
+                                       int count, int *eof, void *data)
+{
+       struct obd_device       *obd = data;
+       struct ofd_device       *ofd = ofd_dev(obd->obd_lu_dev);
+       int                      rc;
+
+       rc = snprintf(page, count, "%u\n", ofd->ofd_grant_compat_disable);
+       return rc;
+}
+
+int lprocfs_ofd_wr_grant_compat_disable(struct file *file,
+                                       const char __user *buffer,
+                                       unsigned long count, void *data)
+{
+       struct obd_device       *obd = data;
+       struct ofd_device       *ofd = ofd_dev(obd->obd_lu_dev);
+       int                      val;
+       int                      rc;
+
+       rc = lprocfs_write_helper(buffer, count, &val);
+       if (rc)
+               return rc;
+
+       if (val < 0)
+               return -EINVAL;
+
+       spin_lock(&ofd->ofd_flags_lock);
+       ofd->ofd_grant_compat_disable = !!val;
+       spin_unlock(&ofd->ofd_flags_lock);
+
+       return count;
+}
+
+int lprocfs_ofd_rd_soft_sync_limit(char *page, char **start, off_t off,
+                                  int count, int *eof, void *data)
+{
+       struct obd_device       *obd = data;
+       struct ofd_device       *ofd = ofd_dev(obd->obd_lu_dev);
+
+       return lprocfs_rd_uint(page, start, off, count, eof,
+                              &ofd->ofd_soft_sync_limit);
+}
+
+int lprocfs_ofd_wr_soft_sync_limit(struct file *file, const char __user *buffer,
+                                  unsigned long count, void *data)
+{
+       struct obd_device       *obd = data;
+       struct ofd_device       *ofd = ofd_dev(obd->obd_lu_dev);
+
+       return lprocfs_wr_uint(file, buffer, count, &ofd->ofd_soft_sync_limit);
+}
+
+static int lprocfs_rd_lfsck_speed_limit(char *page, char **start, off_t off,
+                                       int count, int *eof, void *data)
+{
+       struct obd_device       *obd = data;
+       struct ofd_device       *ofd = ofd_dev(obd->obd_lu_dev);
+
+       *eof = 1;
+
+       return lfsck_get_speed(ofd->ofd_osd, page, count);
+}
+
+static int lprocfs_wr_lfsck_speed_limit(struct file *file,
+                                       const char __user *buffer,
+                                       unsigned long count, void *data)
+{
+       struct obd_device       *obd = data;
+       struct ofd_device       *ofd = ofd_dev(obd->obd_lu_dev);
+       __u32                    val;
+       int                      rc;
+
+       rc = lprocfs_write_helper(buffer, count, &val);
+       if (rc != 0)
+               return rc;
+
+       rc = lfsck_set_speed(ofd->ofd_osd, val);
+
+       return rc != 0 ? rc : count;
+}
+
+static int lprocfs_rd_lfsck_layout(char *page, char **start, off_t off,
+                                  int count, int *eof, void *data)
+{
+       struct obd_device       *obd = data;
+       struct ofd_device       *ofd = ofd_dev(obd->obd_lu_dev);
+
+       *eof = 1;
+
+       return lfsck_dump(ofd->ofd_osd, page, count, LT_LAYOUT);
+}
+
+static int lprocfs_rd_lfsck_verify_pfid(char *page, char **start, off_t off,
+                                       int count, int *eof, void *data)
+{
+       struct obd_device       *obd = data;
+       struct ofd_device       *ofd = ofd_dev(obd->obd_lu_dev);
+
+       *eof = 1;
+
+       return snprintf(page, count,
+                       "switch: %s\ndetected: "LPU64"\nrepaired: "LPU64"\n",
+                       ofd->ofd_lfsck_verify_pfid ? "on" : "off",
+                       ofd->ofd_inconsistency_self_detected,
+                       ofd->ofd_inconsistency_self_repaired);
+}
+
+static int lprocfs_wr_lfsck_verify_pfid(struct file *file,
+                                       const char __user *buffer,
+                                       unsigned long count, void *data)
+{
+       struct obd_device       *obd = data;
+       struct ofd_device       *ofd = ofd_dev(obd->obd_lu_dev);
+       __u32                    val;
+       int                      rc;
+
+       rc = lprocfs_write_helper(buffer, count, &val);
+       if (rc != 0)
+               return rc;
+
+       ofd->ofd_lfsck_verify_pfid = !!val;
+
+       return count;
+}
+
 static struct lprocfs_vars lprocfs_ofd_obd_vars[] = {
-       { "uuid",         lprocfs_rd_uuid,          0, 0 },
+       { "uuid",                lprocfs_rd_uuid, 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 },
+       { "seqs_allocated",      lprocfs_ofd_rd_seqs, 0, 0 },
+       { "fstype",              lprocfs_ofd_rd_fstype, 0, 0 },
+       { "last_id",             lprocfs_ofd_rd_last_id, 0, 0 },
+       { "tot_dirty",           lprocfs_ofd_rd_tot_dirty,   0, 0 },
+       { "tot_pending",         lprocfs_ofd_rd_tot_pending, 0, 0 },
+       { "tot_granted",         lprocfs_ofd_rd_tot_granted, 0, 0 },
+       { "grant_precreate",     lprocfs_ofd_rd_grant_precreate, 0, 0 },
+       { "grant_ratio",         lprocfs_ofd_rd_grant_ratio,
+                                lprocfs_ofd_wr_grant_ratio, 0, 0 },
+       { "precreate_batch",     lprocfs_ofd_rd_precreate_batch,
+                                lprocfs_ofd_wr_precreate_batch, 0 },
+       { "recovery_status",     lprocfs_obd_rd_recovery_status, 0, 0 },
+       { "recovery_time_soft",  lprocfs_obd_rd_recovery_time_soft,
+                                lprocfs_obd_wr_recovery_time_soft, 0},
+       { "recovery_time_hard",  lprocfs_obd_rd_recovery_time_hard,
+                                lprocfs_obd_wr_recovery_time_hard, 0},
+       { "evict_client",        0, lprocfs_wr_evict_client, 0,
+                                &lprocfs_evict_client_fops},
+       { "num_exports",         lprocfs_rd_num_exports,   0, 0 },
+       { "degraded",            lprocfs_ofd_rd_degraded,
+                                lprocfs_ofd_wr_degraded, 0},
+       { "sync_journal",        lprocfs_ofd_rd_syncjournal,
+                                lprocfs_ofd_wr_syncjournal, 0 },
+       { "sync_on_lock_cancel", lprocfs_ofd_rd_sync_lock_cancel,
+                                lprocfs_ofd_wr_sync_lock_cancel, 0 },
+       { "instance",            lprocfs_target_rd_instance, 0 },
+       { "ir_factor",           lprocfs_obd_rd_ir_factor,
+                                lprocfs_obd_wr_ir_factor, 0},
+       { "grant_compat_disable", lprocfs_ofd_rd_grant_compat_disable,
+                                 lprocfs_ofd_wr_grant_compat_disable, 0 },
+       { "client_cache_count",  lprocfs_ofd_rd_fmd_max_num,
+                                lprocfs_ofd_wr_fmd_max_num, 0 },
+       { "client_cache_seconds", lprocfs_ofd_rd_fmd_max_age,
+                                 lprocfs_ofd_wr_fmd_max_age, 0 },
+       { "capa",                lprocfs_ofd_rd_capa,
+                                lprocfs_ofd_wr_capa, 0 },
+       { "capa_count",          lprocfs_ofd_rd_capa_count, 0, 0 },
+       { "job_cleanup_interval", lprocfs_rd_job_interval,
+                                 lprocfs_wr_job_interval, 0},
+       { "soft_sync_limit",     lprocfs_ofd_rd_soft_sync_limit,
+                                lprocfs_ofd_wr_soft_sync_limit, 0},
+       { "lfsck_speed_limit",  lprocfs_rd_lfsck_speed_limit,
+                               lprocfs_wr_lfsck_speed_limit, 0 },
+       { "lfsck_layout",       lprocfs_rd_lfsck_layout, 0, 0 },
+       { "lfsck_verify_pfid",  lprocfs_rd_lfsck_verify_pfid,
+                               lprocfs_wr_lfsck_verify_pfid, 0 },
        { 0 }
 };
 
@@ -60,8 +646,38 @@ static struct lprocfs_vars lprocfs_ofd_module_vars[] = {
 
 void lprocfs_ofd_init_vars(struct lprocfs_static_vars *lvars)
 {
-       lvars->module_vars      = lprocfs_ofd_module_vars;
-       lvars->obd_vars         = lprocfs_ofd_obd_vars;
+       lvars->module_vars  = lprocfs_ofd_module_vars;
+       lvars->obd_vars     = lprocfs_ofd_obd_vars;
+}
+
+void ofd_stats_counter_init(struct lprocfs_stats *stats)
+{
+       LASSERT(stats && stats->ls_num >= LPROC_OFD_STATS_LAST);
+
+       lprocfs_counter_init(stats, LPROC_OFD_STATS_READ,
+                            LPROCFS_CNTR_AVGMINMAX, "read_bytes", "bytes");
+       lprocfs_counter_init(stats, LPROC_OFD_STATS_WRITE,
+                            LPROCFS_CNTR_AVGMINMAX, "write_bytes", "bytes");
+       lprocfs_counter_init(stats, LPROC_OFD_STATS_GETATTR,
+                            0, "getattr", "reqs");
+       lprocfs_counter_init(stats, LPROC_OFD_STATS_SETATTR,
+                            0, "setattr", "reqs");
+       lprocfs_counter_init(stats, LPROC_OFD_STATS_PUNCH,
+                            0, "punch", "reqs");
+       lprocfs_counter_init(stats, LPROC_OFD_STATS_SYNC,
+                            0, "sync", "reqs");
+       lprocfs_counter_init(stats, LPROC_OFD_STATS_DESTROY,
+                            0, "destroy", "reqs");
+       lprocfs_counter_init(stats, LPROC_OFD_STATS_CREATE,
+                            0, "create", "reqs");
+       lprocfs_counter_init(stats, LPROC_OFD_STATS_STATFS,
+                            0, "statfs", "reqs");
+       lprocfs_counter_init(stats, LPROC_OFD_STATS_GET_INFO,
+                            0, "get_info", "reqs");
+       lprocfs_counter_init(stats, LPROC_OFD_STATS_SET_INFO,
+                            0, "set_info", "reqs");
+       lprocfs_counter_init(stats, LPROC_OFD_STATS_QUOTACTL,
+                            0, "quotactl", "reqs");
 }
 
 #endif /* LPROCFS */