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LU-12616 obclass: fix MDS start/stop race
[fs/lustre-release.git] / lustre / ofd / lproc_ofd.c
index 68b09ce..abc67a8 100644 (file)
  *
  * You should have received a copy of the GNU General Public License
  * version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
+ * http://www.gnu.org/licenses/gpl-2.0.html
  *
  * GPL HEADER END
  */
  * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
  *
- * Copyright (c) 2012, Intel Corporation.
+ * Copyright (c) 2012, 2017, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
  * Lustre is a trademark of Sun Microsystems, Inc.
  *
  * lustre/ofd/lproc_ofd.c
+ *
+ * This file provides functions of procfs interface for OBD Filter Device (OFD).
+ *
+ * Author: Andreas Dilger <andreas.dilger@intel.com>
+ * Author: Mikhail Pershin <mike.pershin@intel.com>
+ * Author: Johann Lombardi <johann.lombardi@intel.com>
+ * Author: Fan Yong <fan.yong@intel.com>
  */
 
 #define DEBUG_SUBSYSTEM S_CLASS
 #include <obd.h>
 #include <lprocfs_status.h>
 #include <linux/seq_file.h>
+#include <lustre_lfsck.h>
 
 #include "ofd_internal.h"
 
-#ifdef LPROCFS
+#ifdef CONFIG_PROC_FS
 
-static int lprocfs_ofd_rd_seqs(char *page, char **start, off_t off,
-                               int count, int *eof, void *data)
+/**
+ * Show number of FID allocation sequences.
+ *
+ * \param[in] m                seq_file handle
+ * \param[in] data     unused for single entry
+ *
+ * \retval             0 on success
+ * \retval             negative value on error
+ */
+static ssize_t seqs_allocated_show(struct kobject *kobj, struct attribute *attr,
+                                  char *buf)
 {
-       struct obd_device *obd = (struct obd_device *)data;
+       struct obd_device *obd = container_of(kobj, struct obd_device,
+                                             obd_kset.kobj);
        struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
 
-       *eof = 1;
-       return snprintf(page, count, "%u\n", ofd->ofd_seq_count);
+       return sprintf(buf, "%u\n", ofd->ofd_seq_count);
 }
+LUSTRE_RO_ATTR(seqs_allocated);
 
-static int lprocfs_ofd_rd_tot_dirty(char *page, char **start, off_t off,
-                                   int count, int *eof, void *data)
+/**
+ * Show total number of grants for precreate.
+ *
+ * \param[in] m                seq_file handle
+ * \param[in] data     unused for single entry
+ *
+ * \retval             0 on success
+ * \retval             negative value on error
+ */
+static ssize_t grant_precreate_show(struct kobject *kobj,
+                                   struct attribute *attr,
+                                   char *buf)
 {
-       struct obd_device *obd = (struct obd_device *)data;
-       struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
+       struct obd_device *obd = container_of(kobj, struct obd_device,
+                                             obd_kset.kobj);
 
-       LASSERT(obd != NULL);
-       *eof = 1;
-       return snprintf(page, count, LPU64"\n", ofd->ofd_tot_dirty);
+       return sprintf(buf, "%ld\n",
+                      obd->obd_self_export->exp_target_data.ted_grant);
 }
+LUSTRE_RO_ATTR(grant_precreate);
 
-static int lprocfs_ofd_rd_tot_granted(char *page, char **start, off_t off,
-                                     int count, int *eof, void *data)
+/**
+ * Show number of precreates allowed in a single transaction.
+ *
+ * \param[in] m                seq_file handle
+ * \param[in] data     unused for single entry
+ *
+ * \retval             0 on success
+ * \retval             negative value on error
+ */
+static ssize_t precreate_batch_show(struct kobject *kobj,
+                                   struct attribute *attr,
+                                   char *buf)
 {
-       struct obd_device *obd = (struct obd_device *)data;
+       struct obd_device *obd = container_of(kobj, struct obd_device,
+                                             obd_kset.kobj);
        struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
 
-       LASSERT(obd != NULL);
-       *eof = 1;
-       return snprintf(page, count, LPU64"\n", ofd->ofd_tot_granted);
+       return sprintf(buf, "%d\n", ofd->ofd_precreate_batch);
 }
 
-static int lprocfs_ofd_rd_tot_pending(char *page, char **start, off_t off,
-                                     int count, int *eof, void *data)
+/**
+ * Change number of precreates allowed in a single transaction.
+ *
+ * \param[in] file     proc file
+ * \param[in] buffer   string which represents maximum number
+ * \param[in] count    \a buffer length
+ * \param[in] off      unused for single entry
+ *
+ * \retval             \a count on success
+ * \retval             negative number on error
+ */
+static ssize_t precreate_batch_store(struct kobject *kobj,
+                                    struct attribute *attr,
+                                    const char *buffer, size_t count)
 {
-       struct obd_device *obd = (struct obd_device *)data;
+       struct obd_device *obd = container_of(kobj, struct obd_device,
+                                             obd_kset.kobj);
        struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
+       unsigned int val;
+       int rc;
 
-       LASSERT(obd != NULL);
-       *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);
-}
+       rc = kstrtouint(buffer, 0, &val);
+       if (rc)
+               return rc;
 
-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 = ofd_dev(obd->obd_lu_dev);
+       if (val < 1 || val > 65536)
+               return -EINVAL;
 
-       LASSERT(obd != NULL);
-       *eof = 1;
-       return snprintf(page, count, "%d%%\n",
-                       (int) ofd_grant_reserved(ofd, 100));
+       spin_lock(&ofd->ofd_batch_lock);
+       ofd->ofd_precreate_batch = val;
+       spin_unlock(&ofd->ofd_batch_lock);
+       return count;
 }
+LUSTRE_RW_ATTR(precreate_batch);
 
-static int lprocfs_ofd_wr_grant_ratio(struct file *file, const char *buffer,
-                                     unsigned long count, void *data)
+/**
+ * Show the last used ID for each FID sequence used by OFD.
+ *
+ * \param[in] m                seq_file handle
+ * \param[in] data     unused for single entry
+ *
+ * \retval             0 on success
+ * \retval             negative value on error
+ */
+static int ofd_last_id_seq_show(struct seq_file *m, 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;
+       struct obd_device       *obd = m->private;
+       struct ofd_device       *ofd;
+       struct ofd_seq          *oseq = NULL;
 
-       if (val > 100 || val < 0)
-               return -EINVAL;
+       if (obd == NULL)
+               return 0;
 
-       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);
+       ofd = ofd_dev(obd->obd_lu_dev);
 
-       spin_lock(&ofd->ofd_grant_lock);
-       ofd->ofd_grant_ratio = ofd_grant_ratio_conv(val);
-       spin_unlock(&ofd->ofd_grant_lock);
-       return count;
+       read_lock(&ofd->ofd_seq_list_lock);
+       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);
+               seq_printf(m, DOSTID"\n", seq, ostid_id(&oseq->os_oi));
+       }
+       read_unlock(&ofd->ofd_seq_list_lock);
+       return 0;
 }
 
-static int lprocfs_ofd_rd_precreate_batch(char *page, char **start, off_t off,
-                                         int count, int *eof, void *data)
+LPROC_SEQ_FOPS_RO(ofd_last_id);
+
+/**
+ * Show if the OFD is in degraded mode.
+ *
+ * Degraded means OFD has a failed drive or is undergoing RAID rebuild.
+ * The MDS will try to avoid using this OST for new object allocations
+ * to reduce the impact to global IO performance when clients writing to
+ * this OST are slowed down.  It also reduces the contention on the OST
+ * RAID device, allowing it to rebuild more quickly.
+ *
+ * \param[in] m                seq_file handle
+ * \param[in] data     unused for single entry
+ *
+ * \retval             0 on success
+ * \retval             negative value on error
+ */
+static ssize_t degraded_show(struct kobject *kobj, struct attribute *attr,
+                            char *buf)
 {
-       struct obd_device *obd = (struct obd_device *)data;
+       struct obd_device *obd = container_of(kobj, struct obd_device,
+                                             obd_kset.kobj);
        struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
 
-       LASSERT(obd != NULL);
-       *eof = 1;
-       return snprintf(page, count, "%d\n", ofd->ofd_precreate_batch);
+       return sprintf(buf, "%u\n", ofd->ofd_raid_degraded);
 }
 
-static int lprocfs_ofd_wr_precreate_batch(struct file *file, const char *buffer,
-                                         unsigned long count, void *data)
+/**
+ * Set OFD to degraded mode.
+ *
+ * This is used to interface to userspace administrative tools for
+ * the underlying RAID storage, so that they can mark an OST
+ * as having degraded performance.
+ *
+ * \param[in] file     proc file
+ * \param[in] buffer   string which represents mode
+ *                     1: set degraded mode
+ *                     0: unset degraded mode
+ * \param[in] count    \a buffer length
+ * \param[in] off      unused for single entry
+ *
+ * \retval             \a count on success
+ * \retval             negative number on error
+ */
+static ssize_t degraded_store(struct kobject *kobj, struct attribute *attr,
+                             const char *buffer, size_t count)
 {
-       struct obd_device *obd = (struct obd_device *)data;
+       struct obd_device *obd = container_of(kobj, struct obd_device,
+                                             obd_kset.kobj);
        struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
-       int val;
+       bool val;
        int rc;
 
-       rc = lprocfs_write_helper(buffer, count, &val);
+       rc = kstrtobool(buffer, &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);
+       spin_lock(&ofd->ofd_flags_lock);
+       ofd->ofd_raid_degraded = val;
+       spin_unlock(&ofd->ofd_flags_lock);
        return count;
 }
+LUSTRE_RW_ATTR(degraded);
 
-static int lprocfs_ofd_rd_last_id(char *page, char **start, off_t off,
-                                 int count, int *eof, void *data)
+/**
+ * Show OFD filesystem type.
+ *
+ * \param[in] m                seq_file handle
+ * \param[in] data     unused for single entry
+ *
+ * \retval             0 on success
+ * \retval             negative value on error
+ */
+static ssize_t fstype_show(struct kobject *kobj, struct attribute *attr,
+                          char *buf)
 {
-       struct obd_device       *obd = data;
-       struct ofd_device       *ofd = ofd_dev(obd->obd_lu_dev);
-       struct ofd_seq          *oseq = NULL;
-       int                     retval = 0, rc;
-
-       if (obd == NULL)
-               return 0;
+       struct obd_device *obd = container_of(kobj, struct obd_device,
+                                             obd_kset.kobj);
+       struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
+       struct lu_device  *d;
 
-       read_lock(&ofd->ofd_seq_list_lock);
-       cfs_list_for_each_entry(oseq, &ofd->ofd_seq_list, os_list) {
-               rc = snprintf(page, count, LPX64": "LPX64"\n",
-                             oseq->os_seq, ofd_seq_last_oid(oseq));
-               if (rc < 0) {
-                       retval = rc;
-                       break;
-               }
-               page += rc;
-               count -= rc;
-               retval += rc;
-       }
-       read_unlock(&ofd->ofd_seq_list_lock);
-       return retval;
+       LASSERT(ofd->ofd_osd);
+       d = &ofd->ofd_osd->dd_lu_dev;
+       LASSERT(d->ld_type);
+       return sprintf(buf, "%s\n", d->ld_type->ldt_name);
 }
+LUSTRE_RO_ATTR(fstype);
 
-int lprocfs_ofd_rd_fmd_max_num(char *page, char **start, off_t off,
-                              int count, int *eof, void *data)
+/**
+ * Show journal handling mode: synchronous or asynchronous.
+ *
+ * When running in asynchronous mode the journal transactions are not
+ * committed to disk before the RPC is replied back to the client.
+ * This will typically improve client performance when only a small number
+ * of clients are writing, since the client(s) can have more write RPCs
+ * in flight. However, it also means that the client has to handle recovery
+ * on bulk RPCs, and will have to keep more dirty pages in cache before they
+ * are committed on the OST.
+ *
+ * \param[in] m                seq_file handle
+ * \param[in] data     unused for single entry
+ *
+ * \retval             0 on success
+ * \retval             negative value on error
+ */
+static ssize_t sync_journal_show(struct kobject *kobj, struct attribute *attr,
+                               char *buf)
 {
-       struct obd_device       *obd = data;
-       struct ofd_device       *ofd = ofd_dev(obd->obd_lu_dev);
-       int                      rc;
+       struct obd_device *obd = container_of(kobj, struct obd_device,
+                                             obd_kset.kobj);
+       struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
 
-       rc = snprintf(page, count, "%u\n", ofd->ofd_fmd_max_num);
-       return rc;
+       return sprintf(buf, "%u\n", ofd->ofd_sync_journal);
 }
 
-int lprocfs_ofd_wr_fmd_max_num(struct file *file, const char *buffer,
-                              unsigned long count, void *data)
+/**
+ * Set journal mode to synchronous or asynchronous.
+ *
+ * \param[in] file     proc file
+ * \param[in] buffer   string which represents mode
+ *                     1: synchronous mode
+ *                     0: asynchronous mode
+ * \param[in] count    \a buffer length
+ * \param[in] off      unused for single entry
+ *
+ * \retval             \a count on success
+ * \retval             negative number on error
+ */
+static ssize_t sync_journal_store(struct kobject *kobj, struct attribute *attr,
+                                const char *buffer, size_t count)
 {
-       struct obd_device       *obd = data;
-       struct ofd_device       *ofd = ofd_dev(obd->obd_lu_dev);
-       int                      val;
-       int                      rc;
+       struct obd_device *obd = container_of(kobj, struct obd_device,
+                                             obd_kset.kobj);
+       struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
+       bool val;
+       int rc;
 
-       rc = lprocfs_write_helper(buffer, count, &val);
+       rc = kstrtobool(buffer, &val);
        if (rc)
                return rc;
 
-       if (val > 65536 || val < 1)
-               return -EINVAL;
+       spin_lock(&ofd->ofd_flags_lock);
+       ofd->ofd_sync_journal = val;
+       ofd_slc_set(ofd);
+       spin_unlock(&ofd->ofd_flags_lock);
 
-       ofd->ofd_fmd_max_num = val;
        return count;
 }
+LUSTRE_RW_ATTR(sync_journal);
 
-int lprocfs_ofd_rd_fmd_max_age(char *page, char **start, off_t off,
-                              int count, int *eof, void *data)
+static int ofd_brw_size_seq_show(struct seq_file *m, void *data)
 {
-       struct obd_device       *obd = data;
+       struct obd_device       *obd = m->private;
        struct ofd_device       *ofd = ofd_dev(obd->obd_lu_dev);
-       int                      rc;
 
-       rc = snprintf(page, count, "%ld\n", ofd->ofd_fmd_max_age / CFS_HZ);
-       return rc;
+       seq_printf(m, "%u\n", ofd->ofd_brw_size / ONE_MB_BRW_SIZE);
+       return 0;
 }
 
-int lprocfs_ofd_wr_fmd_max_age(struct file *file, const char *buffer,
-                              unsigned long count, void *data)
+static ssize_t
+ofd_brw_size_seq_write(struct file *file, const char __user *buffer,
+                      size_t count, loff_t *off)
 {
-       struct obd_device       *obd = data;
-       struct ofd_device       *ofd = ofd_dev(obd->obd_lu_dev);
-       int                      val;
-       int                      rc;
+       struct seq_file *m = file->private_data;
+       struct obd_device *obd = m->private;
+       struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
+       __s64 val;
+       int rc;
 
-       rc = lprocfs_write_helper(buffer, count, &val);
+       rc = lprocfs_str_with_units_to_s64(buffer, count, &val, 'M');
        if (rc)
                return rc;
 
-       if (val > 65536 || val < 1)
+       if (val <= 0)
                return -EINVAL;
 
-       ofd->ofd_fmd_max_age = val * CFS_HZ;
+       if (val > DT_MAX_BRW_SIZE ||
+           val < (1 << ofd->ofd_lut.lut_tgd.tgd_blockbits))
+               return -ERANGE;
+
+       spin_lock(&ofd->ofd_flags_lock);
+       ofd->ofd_brw_size = val;
+       spin_unlock(&ofd->ofd_flags_lock);
+
        return count;
 }
 
-static int lprocfs_ofd_rd_capa(char *page, char **start, off_t off,
-                              int count, int *eof, void *data)
+LPROC_SEQ_FOPS(ofd_brw_size);
+
+/**
+ * Show the limit of soft sync RPCs.
+ *
+ * This value defines how many IO RPCs with OBD_BRW_SOFT_SYNC flag
+ * are allowed before sync update will be triggered.
+ *
+ * \param[in] m                seq_file handle
+ * \param[in] data     unused for single entry
+ *
+ * \retval             0 on success
+ * \retval             negative value on error
+ */
+static ssize_t soft_sync_limit_show(struct kobject *kobj,
+                                   struct attribute *attr, char *buf)
 {
-       struct obd_device       *obd = data;
-       int                      rc;
+       struct obd_device *obd = container_of(kobj, struct obd_device,
+                                             obd_kset.kobj);
+       struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
 
-       rc = snprintf(page, count, "capability on: %s\n",
-                     obd->u.filter.fo_fl_oss_capa ? "oss" : "");
-       return rc;
+       return sprintf(buf, "%u\n", ofd->ofd_soft_sync_limit);
 }
 
-static int lprocfs_ofd_wr_capa(struct file *file, const char *buffer,
-                              unsigned long count, void *data)
+/**
+ * Change the limit of soft sync RPCs.
+ *
+ * Define how many IO RPCs with OBD_BRW_SOFT_SYNC flag
+ * allowed before sync update will be done.
+ *
+ * This limit is global across all exports.
+ *
+ * \param[in] file     proc file
+ * \param[in] buffer   string which represents limit
+ * \param[in] count    \a buffer length
+ * \param[in] off      unused for single entry
+ *
+ * \retval             \a count on success
+ * \retval             negative number on error
+ */
+static ssize_t soft_sync_limit_store(struct kobject *kobj,
+                                    struct attribute *attr,
+                                    const char *buffer, size_t count)
 {
-       struct obd_device       *obd = data;
-       int                      val, rc;
+       struct obd_device *obd = container_of(kobj, struct obd_device,
+                                             obd_kset.kobj);
+       struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
+       unsigned int val;
+       int rc;
 
-       rc = lprocfs_write_helper(buffer, count, &val);
-       if (rc)
+       rc = kstrtouint(buffer, 0, &val);
+       if (rc < 0)
                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]);
+       ofd->ofd_soft_sync_limit = val;
+       return 0;
 }
+LUSTRE_RW_ATTR(soft_sync_limit);
 
-int lprocfs_ofd_rd_degraded(char *page, char **start, off_t off,
-                           int count, int *eof, void *data)
+/**
+ * Show the LFSCK speed limit.
+ *
+ * The maximum number of items scanned per second.
+ *
+ * \param[in] m                seq_file handle
+ * \param[in] data     unused for single entry
+ *
+ * \retval             0 on success
+ * \retval             negative value on error
+ */
+static ssize_t lfsck_speed_limit_show(struct kobject *kobj,
+                                     struct attribute *attr, char *buf)
 {
-       struct obd_device *obd = data;
+       struct obd_device *obd = container_of(kobj, struct obd_device,
+                                             obd_kset.kobj);
        struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
 
-       return snprintf(page, count, "%u\n", ofd->ofd_raid_degraded);
+       return lfsck_get_speed(buf, ofd->ofd_osd);
 }
 
-int lprocfs_ofd_wr_degraded(struct file *file, const char *buffer,
-                           unsigned long count, void *data)
+/**
+ * Change the LFSCK speed limit.
+ *
+ * Limit number of items that may be scanned per second.
+ *
+ * \param[in] file     proc file
+ * \param[in] buffer   string which represents limit
+ * \param[in] count    \a buffer length
+ * \param[in] off      unused for single entry
+ *
+ * \retval             \a count on success
+ * \retval             negative number on error
+ */
+static ssize_t lfsck_speed_limit_store(struct kobject *kobj,
+                                      struct attribute *attr,
+                                      const char *buffer, size_t count)
 {
-       struct obd_device       *obd = data;
-       struct ofd_device       *ofd = ofd_dev(obd->obd_lu_dev);
-       int                      val, rc;
+       struct obd_device *obd = container_of(kobj, struct obd_device,
+                                             obd_kset.kobj);
+       struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
+       unsigned int val;
+       int rc;
 
-       rc = lprocfs_write_helper(buffer, count, &val);
-       if (rc)
+       rc = kstrtouint(buffer, 0, &val);
+       if (rc != 0)
                return rc;
 
-       spin_lock(&ofd->ofd_flags_lock);
-       ofd->ofd_raid_degraded = !!val;
-       spin_unlock(&ofd->ofd_flags_lock);
+       rc = lfsck_set_speed(ofd->ofd_osd, val);
 
-       return count;
+       return rc != 0 ? rc : count;
 }
+LUSTRE_RW_ATTR(lfsck_speed_limit);
 
-int lprocfs_ofd_rd_fstype(char *page, char **start, off_t off, int count,
-                         int *eof, void *data)
+/**
+ * Show LFSCK layout verification stats from the most recent LFSCK run.
+ *
+ * \param[in] m                seq_file handle
+ * \param[in] data     unused for single entry
+ *
+ * \retval             0 on success
+ * \retval             negative value on error
+ */
+static int ofd_lfsck_layout_seq_show(struct seq_file *m, void *data)
 {
-       struct obd_device *obd = data;
+       struct obd_device *obd = m->private;
        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);
+       return lfsck_dump(m, ofd->ofd_osd, LFSCK_TYPE_LAYOUT);
 }
 
-int lprocfs_ofd_rd_syncjournal(char *page, char **start, off_t off,
-                              int count, int *eof, void *data)
+LPROC_SEQ_FOPS_RO(ofd_lfsck_layout);
+
+/**
+ * Show if LFSCK performed parent FID verification.
+ *
+ * \param[in] m                seq_file handle
+ * \param[in] data     unused for single entry
+ *
+ * \retval             0 on success
+ * \retval             negative value on error
+ */
+static int ofd_lfsck_verify_pfid_seq_show(struct seq_file *m, void *data)
 {
-       struct obd_device       *obd = data;
-       struct ofd_device       *ofd = ofd_dev(obd->obd_lu_dev);
-       int                      rc;
+       struct obd_device *obd = m->private;
+       struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
 
-       rc = snprintf(page, count, "%u\n", ofd->ofd_syncjournal);
-       return rc;
+       seq_printf(m, "switch: %s\ndetected: %llu\nrepaired: %llu\n",
+                  ofd->ofd_lfsck_verify_pfid ? "on" : "off",
+                  ofd->ofd_inconsistency_self_detected,
+                  ofd->ofd_inconsistency_self_repaired);
+       return 0;
 }
 
-int lprocfs_ofd_wr_syncjournal(struct file *file, const char *buffer,
-                              unsigned long count, void *data)
+/**
+ * Set the LFSCK behavior to verify parent FID correctness.
+ *
+ * If flag ofd_lfsck_verify_pfid is set then LFSCK does parent FID
+ * verification during read/write operations.
+ *
+ * \param[in] file     proc file
+ * \param[in] buffer   string which represents behavior
+ *                     1: verify parent FID
+ *                     0: don't verify parent FID
+ * \param[in] count    \a buffer length
+ * \param[in] off      unused for single entry
+ *
+ * \retval             \a count on success
+ * \retval             negative number on error
+ */
+static ssize_t
+ofd_lfsck_verify_pfid_seq_write(struct file *file, const char __user *buffer,
+                               size_t count, loff_t *off)
 {
-       struct obd_device       *obd = data;
-       struct ofd_device       *ofd = ofd_dev(obd->obd_lu_dev);
-       int                      val;
-       int                      rc;
+       struct seq_file *m = file->private_data;
+       struct obd_device *obd = m->private;
+       struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
+       bool val;
+       int rc;
 
-       rc = lprocfs_write_helper(buffer, count, &val);
+       rc = kstrtobool_from_user(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);
+       ofd->ofd_lfsck_verify_pfid = val;
+       if (!ofd->ofd_lfsck_verify_pfid) {
+               ofd->ofd_inconsistency_self_detected = 0;
+               ofd->ofd_inconsistency_self_repaired = 0;
+       }
 
        return count;
 }
 
-static char *sync_on_cancel_states[] = {"never",
-                                       "blocking",
-                                       "always" };
+LPROC_SEQ_FOPS(ofd_lfsck_verify_pfid);
 
-int lprocfs_ofd_rd_sync_lock_cancel(char *page, char **start, off_t off,
-                                   int count, int *eof, void *data)
+static int ofd_site_stats_seq_show(struct seq_file *m, void *data)
 {
-       struct obd_device       *obd = data;
-       struct ofd_device       *ofd = ofd_dev(obd->obd_lu_dev);
-       int                      rc;
+       struct obd_device *obd = m->private;
 
-       rc = snprintf(page, count, "%s\n",
-                     sync_on_cancel_states[ofd->ofd_sync_lock_cancel]);
-       return rc;
+       return lu_site_stats_seq_print(obd->obd_lu_dev->ld_site, m);
 }
 
-int lprocfs_ofd_wr_sync_lock_cancel(struct file *file, const char *buffer,
-                                   unsigned long count, void *data)
-{
-       struct obd_device       *obd = data;
-       struct ofd_device       *ofd = ofd_dev(obd->obd_lu_dev);
-       int                      val = -1;
-       int                      i;
-
-       for (i = 0 ; i < NUM_SYNC_ON_CANCEL_STATES; i++) {
-               if (memcmp(buffer, sync_on_cancel_states[i],
-                          strlen(sync_on_cancel_states[i])) == 0) {
-                       val = i;
-                       break;
-               }
-       }
-       if (val == -1) {
-               int rc;
-
-               rc = lprocfs_write_helper(buffer, count, &val);
-               if (rc)
-                       return rc;
-       }
-
-       if (val < 0 || val > 2)
-               return -EINVAL;
-
-       spin_lock(&ofd->ofd_flags_lock);
-       ofd->ofd_sync_lock_cancel = val;
-       spin_unlock(&ofd->ofd_flags_lock);
-       return count;
-}
+LPROC_SEQ_FOPS_RO(ofd_site_stats);
 
-int lprocfs_ofd_rd_grant_compat_disable(char *page, char **start, off_t off,
-                                       int count, int *eof, void *data)
+/**
+ * Show if the OFD enforces T10PI checksum.
+ *
+ * \param[in] m                seq_file handle
+ * \param[in] data     unused for single entry
+ *
+ * \retval             0 on success
+ * \retval             negative value on error
+ */
+static ssize_t checksum_t10pi_enforce_show(struct kobject *kobj,
+                                          struct attribute *attr,
+                                          char *buf)
 {
-       struct obd_device       *obd = data;
-       struct ofd_device       *ofd = ofd_dev(obd->obd_lu_dev);
-       int                      rc;
+       struct obd_device *obd = container_of(kobj, struct obd_device,
+                                             obd_kset.kobj);
+       struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
 
-       rc = snprintf(page, count, "%u\n", ofd->ofd_grant_compat_disable);
-       return rc;
+       return sprintf(buf, "%u\n", ofd->ofd_checksum_t10pi_enforce);
 }
 
-int lprocfs_ofd_wr_grant_compat_disable(struct file *file, const char *buffer,
-                                       unsigned long count, void *data)
+/**
+ * Force specific T10PI checksum modes to be enabled
+ *
+ * If T10PI *is* supported in hardware, allow only the supported T10PI type
+ * to be used. If T10PI is *not* supported by the OSD, setting the enforce
+ * parameter forces all T10PI types to be enabled (even if slower) for
+ * testing.
+ *
+ * The final determination of which algorithm to be used depends whether
+ * the client supports T10PI or not, and is handled at client connect time.
+ *
+ * \param[in] file     proc file
+ * \param[in] buffer   string which represents mode
+ *                     1: set T10PI checksums enforced
+ *                     0: unset T10PI checksums enforced
+ * \param[in] count    \a buffer length
+ * \param[in] off      unused for single entry
+ *
+ * \retval             \a count on success
+ * \retval             negative number on error
+ */
+static ssize_t checksum_t10pi_enforce_store(struct kobject *kobj,
+                                           struct attribute *attr,
+                                           const char *buffer, size_t count)
 {
-       struct obd_device       *obd = data;
-       struct ofd_device       *ofd = ofd_dev(obd->obd_lu_dev);
-       int                      val;
-       int                      rc;
+       struct obd_device *obd = container_of(kobj, struct obd_device,
+                                             obd_kset.kobj);
+       struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
+       bool enforce;
+       int rc;
 
-       rc = lprocfs_write_helper(buffer, count, &val);
+       rc = kstrtobool(buffer, &enforce);
        if (rc)
                return rc;
 
-       if (val < 0)
-               return -EINVAL;
-
        spin_lock(&ofd->ofd_flags_lock);
-       ofd->ofd_grant_compat_disable = !!val;
+       ofd->ofd_checksum_t10pi_enforce = enforce;
        spin_unlock(&ofd->ofd_flags_lock);
-
        return count;
 }
+LUSTRE_RW_ATTR(checksum_t10pi_enforce);
 
-static struct lprocfs_vars lprocfs_ofd_obd_vars[] = {
-       { "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},
-       { 0 }
-};
-
-static struct lprocfs_vars lprocfs_ofd_module_vars[] = {
-       { "num_refs",     lprocfs_rd_numrefs,   0, 0 },
-       { 0 }
-};
-
-#define pct(a,b) (b ? a * 100 / b : 0)
+#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 14, 53, 0)
+static bool max_file_warned;
+static bool rd_cache_warned;
+static bool wr_cache_warned;
 
-static void display_brw_stats(struct seq_file *seq, char *name, char *units,
-                             struct obd_histogram *read,
-                             struct obd_histogram *write, int log2)
+static ssize_t read_cache_enable_show(struct kobject *kobj,
+                                     struct attribute *attr,
+                                     char *buf)
 {
-       unsigned long   read_tot, write_tot, r, w, read_cum = 0, write_cum = 0;
-       int             i;
-
-       seq_printf(seq, "\n%26s read      |     write\n", " ");
-       seq_printf(seq, "%-22s %-5s %% cum %% |  %-5s %% cum %%\n",
-                  name, units, units);
-
-       read_tot = lprocfs_oh_sum(read);
-       write_tot = lprocfs_oh_sum(write);
-       for (i = 0; i < OBD_HIST_MAX; i++) {
-               r = read->oh_buckets[i];
-               w = write->oh_buckets[i];
-               read_cum += r;
-               write_cum += w;
-               if (read_cum == 0 && write_cum == 0)
-                       continue;
-
-               if (!log2)
-                       seq_printf(seq, "%u", i);
-               else if (i < 10)
-                       seq_printf(seq, "%u", 1 << i);
-               else if (i < 20)
-                       seq_printf(seq, "%uK", 1 << (i - 10));
-               else
-                       seq_printf(seq, "%uM", 1 << (i - 20));
-
-               seq_printf(seq, ":\t\t%10lu %3lu %3lu   | %4lu %3lu %3lu\n",
-                          r, pct(r, read_tot), pct(read_cum, read_tot),
-                          w, pct(w, write_tot), pct(write_cum, write_tot));
-
-               if (read_cum == read_tot && write_cum == write_tot)
-                       break;
+       struct obd_device *obd = container_of(kobj, struct obd_device,
+                                             obd_kset.kobj);
+       struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
+
+       if (!rd_cache_warned) {
+               rd_cache_warned = true;
+               pr_info("ofd: 'obdfilter.*.read_cache_enabled' is deprecated, use 'osd-*.read_cache_enabled' instead\n");
        }
-}
 
-static void brw_stats_show(struct seq_file *seq, struct brw_stats *brw_stats)
-{
-       struct timeval  now;
-       char            title[24];
-
-       /* this sampling races with updates */
-       cfs_gettimeofday(&now);
-       seq_printf(seq, "snapshot_time:         %lu.%lu (secs.usecs)\n",
-                  now.tv_sec, now.tv_usec);
-
-       display_brw_stats(seq, "pages per bulk r/w", "rpcs",
-                         &brw_stats->hist[BRW_R_PAGES],
-                         &brw_stats->hist[BRW_W_PAGES], 1);
-
-       display_brw_stats(seq, "discontiguous pages", "rpcs",
-                         &brw_stats->hist[BRW_R_DISCONT_PAGES],
-                         &brw_stats->hist[BRW_W_DISCONT_PAGES], 0);
-
-       display_brw_stats(seq, "discontiguous blocks", "rpcs",
-                         &brw_stats->hist[BRW_R_DISCONT_BLOCKS],
-                         &brw_stats->hist[BRW_W_DISCONT_BLOCKS], 0);
-
-       display_brw_stats(seq, "disk fragmented I/Os", "ios",
-                         &brw_stats->hist[BRW_R_DIO_FRAGS],
-                         &brw_stats->hist[BRW_W_DIO_FRAGS], 0);
-
-       display_brw_stats(seq, "disk I/Os in flight", "ios",
-                         &brw_stats->hist[BRW_R_RPC_HIST],
-                         &brw_stats->hist[BRW_W_RPC_HIST], 0);
-
-       sprintf(title, "I/O time (1/%ds)", CFS_HZ);
-       display_brw_stats(seq, title, "ios",
-                         &brw_stats->hist[BRW_R_IO_TIME],
-                         &brw_stats->hist[BRW_W_IO_TIME], 1);
-
-       display_brw_stats(seq, "disk I/O size", "ios",
-                         &brw_stats->hist[BRW_R_DISK_IOSIZE],
-                         &brw_stats->hist[BRW_W_DISK_IOSIZE], 1);
-}
+       if (!ofd->ofd_read_cache_enable)
+               return -EOPNOTSUPP;
 
-#undef pct
+       return lustre_attr_show(&ofd->ofd_osd->dd_kobj,
+                               ofd->ofd_read_cache_enable, buf);
+}
 
-static int ofd_brw_stats_seq_show(struct seq_file *seq, void *v)
+static ssize_t read_cache_enable_store(struct kobject *kobj,
+                                      struct attribute *attr,
+                                      const char *buffer, size_t count)
 {
-       struct obd_device *dev = seq->private;
-       struct filter_obd *ofd = &dev->u.filter;
+       struct obd_device *obd = container_of(kobj, struct obd_device,
+                                             obd_kset.kobj);
+       struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
+
+       if (!rd_cache_warned) {
+               rd_cache_warned = true;
+               pr_info("ofd: 'obdfilter.*.read_cache_enabled' is deprecated, use 'osd-*.read_cache_enabled' instead\n");
+       }
 
-       brw_stats_show(seq, &ofd->fo_filter_stats);
+       if (!ofd->ofd_read_cache_enable)
+               return -EOPNOTSUPP;
 
-       return 0;
+       return lustre_attr_store(&ofd->ofd_osd->dd_kobj,
+                                ofd->ofd_read_cache_enable, buffer, count);
 }
+LUSTRE_RW_ATTR(read_cache_enable);
 
-static ssize_t ofd_brw_stats_seq_write(struct file *file, const char *buf,
-                                      size_t len, loff_t *off)
+static ssize_t readcache_max_filesize_show(struct kobject *kobj,
+                                          struct attribute *attr,
+                                          char *buf)
 {
-       struct seq_file         *seq = file->private_data;
-       struct obd_device       *dev = seq->private;
-       struct filter_obd       *ofd = &dev->u.filter;
-       int                      i;
-
-       for (i = 0; i < BRW_LAST; i++)
-               lprocfs_oh_clear(&ofd->fo_filter_stats.hist[i]);
+       struct obd_device *obd = container_of(kobj, struct obd_device,
+                                             obd_kset.kobj);
+       struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
 
-       return len;
-}
+       if (!max_file_warned) {
+               max_file_warned = true;
+               pr_info("ofd: 'obdfilter.*.readcache_max_filesize' is deprecated, use 'osd-*.readcache_max_filesize' instead\n");
+       }
 
-LPROC_SEQ_FOPS(ofd_brw_stats);
+       if (!ofd->ofd_read_cache_max_filesize)
+               return -EOPNOTSUPP;
 
-int lproc_ofd_attach_seqstat(struct obd_device *dev)
-{
-       return lprocfs_obd_seq_create(dev, "brw_stats", 0644,
-                                     &ofd_brw_stats_fops, dev);
+       return lustre_attr_show(&ofd->ofd_osd->dd_kobj,
+                               ofd->ofd_read_cache_max_filesize, buf);
 }
 
-void lprocfs_ofd_init_vars(struct lprocfs_static_vars *lvars)
+static ssize_t readcache_max_filesize_store(struct kobject *kobj,
+                                           struct attribute *attr,
+                                           const char *buffer, size_t count)
 {
-       lvars->module_vars  = lprocfs_ofd_module_vars;
-       lvars->obd_vars     = lprocfs_ofd_obd_vars;
-}
+       struct obd_device *obd = container_of(kobj, struct obd_device,
+                                             obd_kset.kobj);
+       struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
 
-static int ofd_per_nid_stats_seq_show(struct seq_file *seq, void *v)
-{
-       nid_stat_t *stat = seq->private;
+       if (!max_file_warned) {
+               max_file_warned = true;
+               pr_info("ofd: 'obdfilter.*.readcache_max_filesize' is deprecated, use 'osd-*.readcache_max_filesize' instead\n");
+       }
 
-       if (stat->nid_brw_stats)
-               brw_stats_show(seq, stat->nid_brw_stats);
+       if (!ofd->ofd_read_cache_max_filesize)
+               return -EOPNOTSUPP;
 
-       return 0;
+       return lustre_attr_store(&ofd->ofd_osd->dd_kobj,
+                                ofd->ofd_read_cache_max_filesize,
+                                buffer, count);
 }
+LUSTRE_RW_ATTR(readcache_max_filesize);
 
-static ssize_t ofd_per_nid_stats_seq_write(struct file *file, const char *buf,
-                                          size_t len, loff_t *off)
+static ssize_t writethrough_cache_enable_show(struct kobject *kobj,
+                                             struct attribute *attr,
+                                             char *buf)
 {
-       struct seq_file *seq = file->private_data;
-        nid_stat_t     *stat = seq->private;
-        int             i;
+       struct obd_device *obd = container_of(kobj, struct obd_device,
+                                             obd_kset.kobj);
+       struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
+
+       if (!wr_cache_warned) {
+               wr_cache_warned = true;
+               pr_info("ofd: 'obdfilter.*.writethrough_cache_enabled' is deprecated, use 'osd-*.writethrough_cache_enabled' instead\n");
+       }
 
-       if (stat->nid_brw_stats)
-               for (i = 0; i < BRW_LAST; i++)
-                       lprocfs_oh_clear(&stat->nid_brw_stats->hist[i]);
+       if (!ofd->ofd_write_cache_enable)
+               return -EOPNOTSUPP;
 
-       return len;
+       return lustre_attr_show(&ofd->ofd_osd->dd_kobj,
+                               ofd->ofd_write_cache_enable, buf);
 }
 
-LPROC_SEQ_FOPS(ofd_per_nid_stats);
+static ssize_t writethrough_cache_enable_store(struct kobject *kobj,
+                                              struct attribute *attr,
+                                              const char *buffer, size_t count)
+{
+       struct obd_device *obd = container_of(kobj, struct obd_device,
+                                             obd_kset.kobj);
+       struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
+
+       if (!ofd->ofd_write_cache_enable)
+               return -EOPNOTSUPP;
+
+       return lustre_attr_store(&ofd->ofd_osd->dd_kobj,
+                                ofd->ofd_write_cache_enable,
+                                buffer, count);
+}
+LUSTRE_RW_ATTR(writethrough_cache_enable);
+#endif
+
+LPROC_SEQ_FOPS_RO_TYPE(ofd, recovery_status);
+LUSTRE_RW_ATTR(recovery_time_hard);
+LUSTRE_RW_ATTR(recovery_time_soft);
+LUSTRE_RW_ATTR(ir_factor);
+
+LPROC_SEQ_FOPS_WR_ONLY(ofd, evict_client);
+LPROC_SEQ_FOPS_RW_TYPE(ofd, checksum_dump);
+LUSTRE_RW_ATTR(job_cleanup_interval);
+
+LUSTRE_RO_ATTR(tot_dirty);
+LUSTRE_RO_ATTR(tot_granted);
+LUSTRE_RO_ATTR(tot_pending);
+LUSTRE_RW_ATTR(grant_compat_disable);
+LUSTRE_RO_ATTR(instance);
+
+LUSTRE_RO_ATTR(num_exports);
+
+struct lprocfs_vars lprocfs_ofd_obd_vars[] = {
+       { .name =       "last_id",
+         .fops =       &ofd_last_id_fops               },
+       { .name =       "recovery_status",
+         .fops =       &ofd_recovery_status_fops       },
+       { .name =       "evict_client",
+         .fops =       &ofd_evict_client_fops          },
+       { .name =       "brw_size",
+         .fops =       &ofd_brw_size_fops              },
+       { .name =       "checksum_dump",
+         .fops =       &ofd_checksum_dump_fops         },
+       { .name =       "lfsck_layout",
+         .fops =       &ofd_lfsck_layout_fops          },
+       { .name =       "lfsck_verify_pfid",
+         .fops =       &ofd_lfsck_verify_pfid_fops     },
+       { .name =       "site_stats",
+         .fops =       &ofd_site_stats_fops            },
+       { NULL }
+};
 
+/**
+ * Initialize OFD statistics counters
+ *
+ * param[in] stats     statistics counters
+ */
 void ofd_stats_counter_init(struct lprocfs_stats *stats)
 {
-       LASSERT(stats && stats->ls_num == LPROC_OFD_STATS_LAST);
+       LASSERT(stats && stats->ls_num >= LPROC_OFD_STATS_LAST);
+
        lprocfs_counter_init(stats, LPROC_OFD_STATS_READ,
-                            LPROCFS_CNTR_AVGMINMAX, "read", "bytes");
+                            LPROCFS_CNTR_AVGMINMAX, "read_bytes", "bytes");
        lprocfs_counter_init(stats, LPROC_OFD_STATS_WRITE,
-                            LPROCFS_CNTR_AVGMINMAX, "write", "bytes");
+                            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");
+}
+
+LPROC_SEQ_FOPS(lprocfs_nid_stats_clear);
+
+static struct attribute *ofd_attrs[] = {
+       &lustre_attr_tot_dirty.attr,
+       &lustre_attr_tot_granted.attr,
+       &lustre_attr_tot_pending.attr,
+       &lustre_attr_grant_compat_disable.attr,
+       &lustre_attr_instance.attr,
+       &lustre_attr_recovery_time_hard.attr,
+       &lustre_attr_recovery_time_soft.attr,
+       &lustre_attr_ir_factor.attr,
+       &lustre_attr_num_exports.attr,
+       &lustre_attr_seqs_allocated.attr,
+       &lustre_attr_grant_precreate.attr,
+       &lustre_attr_precreate_batch.attr,
+       &lustre_attr_degraded.attr,
+       &lustre_attr_fstype.attr,
+       &lustre_attr_sync_journal.attr,
+       &lustre_attr_soft_sync_limit.attr,
+       &lustre_attr_lfsck_speed_limit.attr,
+       &lustre_attr_job_cleanup_interval.attr,
+       &lustre_attr_checksum_t10pi_enforce.attr,
+#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 14, 53, 0)
+       &lustre_attr_read_cache_enable.attr,
+       &lustre_attr_readcache_max_filesize.attr,
+       &lustre_attr_writethrough_cache_enable.attr,
+#endif
+       NULL,
+};
+
+/**
+ * Initialize all needed procfs entries for OFD device.
+ *
+ * \param[in] ofd      OFD device
+ *
+ * \retval             0 if successful
+ * \retval             negative value on error
+ */
+int ofd_tunables_init(struct ofd_device *ofd)
+{
+       struct obd_device *obd = ofd_obd(ofd);
+       struct proc_dir_entry *entry;
+       int rc = 0;
+
+       ENTRY;
+       /* lprocfs must be setup before the ofd so state can be safely added
+        * to /proc incrementally as the ofd is setup
+        */
+       obd->obd_ktype.default_attrs = ofd_attrs;
+       obd->obd_vars = lprocfs_ofd_obd_vars;
+       rc = lprocfs_obd_setup(obd, false);
+       if (rc) {
+               CERROR("%s: lprocfs_obd_setup failed: %d.\n",
+                      obd->obd_name, rc);
+               RETURN(rc);
+       }
+
+       rc = tgt_tunables_init(&ofd->ofd_lut);
+       if (rc) {
+               CERROR("%s: tgt_tunables_init failed: rc = %d\n",
+                      obd->obd_name, rc);
+               GOTO(obd_cleanup, rc);
+       }
+
+       rc = lprocfs_alloc_obd_stats(obd, LPROC_OFD_STATS_LAST);
+       if (rc) {
+               CERROR("%s: lprocfs_alloc_obd_stats failed: %d.\n",
+                      obd->obd_name, rc);
+               GOTO(tgt_cleanup, rc);
+       }
+
+       entry = lprocfs_register("exports", obd->obd_proc_entry, NULL, NULL);
+       if (IS_ERR(entry)) {
+               rc = PTR_ERR(entry);
+               CERROR("%s: error %d setting up lprocfs for %s\n",
+                      obd->obd_name, rc, "exports");
+               GOTO(obd_free_stats, rc);
+       }
+       obd->obd_proc_exports_entry = entry;
+
+       entry = lprocfs_add_simple(obd->obd_proc_exports_entry, "clear",
+                                  obd, &lprocfs_nid_stats_clear_fops);
+       if (IS_ERR(entry)) {
+               rc = PTR_ERR(entry);
+               CERROR("%s: add proc entry 'clear' failed: %d.\n",
+                      obd->obd_name, rc);
+               GOTO(obd_free_stats, rc);
+       }
+
+       ofd_stats_counter_init(obd->obd_stats);
+
+       rc = lprocfs_job_stats_init(obd, LPROC_OFD_STATS_LAST,
+                                   ofd_stats_counter_init);
+       if (rc)
+               GOTO(obd_free_stats, rc);
+
+       RETURN(0);
+
+obd_free_stats:
+       lprocfs_free_obd_stats(obd);
+tgt_cleanup:
+       tgt_tunables_fini(&ofd->ofd_lut);
+obd_cleanup:
+       lprocfs_obd_cleanup(obd);
+
+       return rc;
 }
-#endif /* LPROCFS */
+#endif /* CONFIG_PROC_FS */