*
* 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) 2011, 2012, Whamcloud, Inc.
+ * 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 <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
+#ifdef CONFIG_PROC_FS
-static struct lprocfs_vars lprocfs_ofd_obd_vars[] = {
- { "uuid", lprocfs_rd_uuid, 0, 0 },
- { 0 }
-};
+/**
+ * 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 = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
+
+ return sprintf(buf, "%u\n", ofd->ofd_seq_count);
+}
+LUSTRE_RO_ATTR(seqs_allocated);
+
+/**
+ * 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 = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+
+ return sprintf(buf, "%ld\n",
+ obd->obd_self_export->exp_target_data.ted_grant);
+}
+LUSTRE_RO_ATTR(grant_precreate);
+
+/**
+ * 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 = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
+
+ return sprintf(buf, "%d\n", ofd->ofd_precreate_batch);
+}
+
+/**
+ * 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 = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
+ unsigned int val;
+ int rc;
-static struct lprocfs_vars lprocfs_ofd_module_vars[] = {
- { "num_refs", lprocfs_rd_numrefs, 0, 0 },
- { 0 }
+ rc = kstrtouint(buffer, 0, &val);
+ if (rc)
+ return rc;
+
+ if (val < 1 || val > 65536)
+ return -EINVAL;
+
+ spin_lock(&ofd->ofd_batch_lock);
+ ofd->ofd_precreate_batch = val;
+ spin_unlock(&ofd->ofd_batch_lock);
+ return count;
+}
+LUSTRE_RW_ATTR(precreate_batch);
+
+/**
+ * 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 = m->private;
+ struct ofd_device *ofd;
+ struct ofd_seq *oseq = NULL;
+
+ if (obd == NULL)
+ return 0;
+
+ ofd = ofd_dev(obd->obd_lu_dev);
+
+ 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;
+}
+
+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 = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
+
+ return sprintf(buf, "%u\n", ofd->ofd_raid_degraded);
+}
+
+/**
+ * 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 = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
+ bool val;
+ int rc;
+
+ rc = kstrtobool(buffer, &val);
+ if (rc)
+ return rc;
+
+ spin_lock(&ofd->ofd_flags_lock);
+ ofd->ofd_raid_degraded = val;
+ spin_unlock(&ofd->ofd_flags_lock);
+ return count;
+}
+LUSTRE_RW_ATTR(degraded);
+
+/**
+ * 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 = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ 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 sprintf(buf, "%s\n", d->ld_type->ldt_name);
+}
+LUSTRE_RO_ATTR(fstype);
+
+/**
+ * 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 = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
+
+ return sprintf(buf, "%u\n", ofd->ofd_sync_journal);
+}
+
+/**
+ * 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 = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
+ bool val;
+ int rc;
+
+ rc = kstrtobool(buffer, &val);
+ if (rc)
+ return rc;
+
+ spin_lock(&ofd->ofd_flags_lock);
+ ofd->ofd_sync_journal = val;
+ ofd_slc_set(ofd);
+ spin_unlock(&ofd->ofd_flags_lock);
+
+ return count;
+}
+LUSTRE_RW_ATTR(sync_journal);
+
+static int ofd_brw_size_seq_show(struct seq_file *m, void *data)
+{
+ struct obd_device *obd = m->private;
+ struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
+
+ seq_printf(m, "%u\n", ofd->ofd_brw_size / ONE_MB_BRW_SIZE);
+ return 0;
+}
+
+static ssize_t
+ofd_brw_size_seq_write(struct file *file, const char __user *buffer,
+ size_t count, loff_t *off)
+{
+ 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_str_with_units_to_s64(buffer, count, &val, 'M');
+ if (rc)
+ return rc;
+
+ if (val <= 0)
+ return -EINVAL;
+
+ 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;
+}
+
+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 = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
+
+ return sprintf(buf, "%u\n", ofd->ofd_soft_sync_limit);
+}
+
+/**
+ * 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 = 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 = kstrtouint(buffer, 0, &val);
+ if (rc < 0)
+ return rc;
+
+ ofd->ofd_soft_sync_limit = val;
+ return 0;
+}
+LUSTRE_RW_ATTR(soft_sync_limit);
+
+/**
+ * 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 = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
+
+ return lfsck_get_speed(buf, ofd->ofd_osd);
+}
+
+/**
+ * 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 = 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 = kstrtouint(buffer, 0, &val);
+ if (rc != 0)
+ return rc;
+
+ rc = lfsck_set_speed(ofd->ofd_osd, val);
+
+ return rc != 0 ? rc : count;
+}
+LUSTRE_RW_ATTR(lfsck_speed_limit);
+
+/**
+ * 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 = m->private;
+ struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
+
+ return lfsck_dump(m, ofd->ofd_osd, LFSCK_TYPE_LAYOUT);
+}
+
+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 = m->private;
+ struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
+
+ 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;
+}
+
+/**
+ * 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 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 = kstrtobool_from_user(buffer, count, &val);
+ if (rc)
+ return rc;
+
+ 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;
+}
+
+LPROC_SEQ_FOPS(ofd_lfsck_verify_pfid);
+
+static int ofd_site_stats_seq_show(struct seq_file *m, void *data)
+{
+ struct obd_device *obd = m->private;
+
+ return lu_site_stats_seq_print(obd->obd_lu_dev->ld_site, m);
+}
+
+LPROC_SEQ_FOPS_RO(ofd_site_stats);
+
+/**
+ * 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 = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
+
+ return sprintf(buf, "%u\n", ofd->ofd_checksum_t10pi_enforce);
+}
+
+/**
+ * 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 = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
+ bool enforce;
+ int rc;
+
+ rc = kstrtobool(buffer, &enforce);
+ if (rc)
+ return rc;
+
+ spin_lock(&ofd->ofd_flags_lock);
+ ofd->ofd_checksum_t10pi_enforce = enforce;
+ spin_unlock(&ofd->ofd_flags_lock);
+ return count;
+}
+LUSTRE_RW_ATTR(checksum_t10pi_enforce);
+
+#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 ssize_t read_cache_enable_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
+{
+ 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");
+ }
+
+ if (!ofd->ofd_read_cache_enable)
+ return -EOPNOTSUPP;
+
+ return lustre_attr_show(&ofd->ofd_osd->dd_kobj,
+ ofd->ofd_read_cache_enable, buf);
+}
+
+static ssize_t read_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 (!rd_cache_warned) {
+ rd_cache_warned = true;
+ pr_info("ofd: 'obdfilter.*.read_cache_enabled' is deprecated, use 'osd-*.read_cache_enabled' instead\n");
+ }
+
+ if (!ofd->ofd_read_cache_enable)
+ return -EOPNOTSUPP;
+
+ 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 readcache_max_filesize_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
+{
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
+
+ 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 (!ofd->ofd_read_cache_max_filesize)
+ return -EOPNOTSUPP;
+
+ return lustre_attr_show(&ofd->ofd_osd->dd_kobj,
+ ofd->ofd_read_cache_max_filesize, buf);
+}
+
+static ssize_t readcache_max_filesize_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 (!max_file_warned) {
+ max_file_warned = true;
+ pr_info("ofd: 'obdfilter.*.readcache_max_filesize' is deprecated, use 'osd-*.readcache_max_filesize' instead\n");
+ }
+
+ if (!ofd->ofd_read_cache_max_filesize)
+ return -EOPNOTSUPP;
+
+ 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 writethrough_cache_enable_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
+{
+ 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 (!ofd->ofd_write_cache_enable)
+ return -EOPNOTSUPP;
+
+ return lustre_attr_show(&ofd->ofd_osd->dd_kobj,
+ ofd->ofd_write_cache_enable, buf);
+}
+
+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 }
};
-void lprocfs_ofd_init_vars(struct lprocfs_static_vars *lvars)
+/**
+ * Initialize OFD statistics counters
+ *
+ * param[in] stats statistics counters
+ */
+void ofd_stats_counter_init(struct lprocfs_stats *stats)
{
- lvars->module_vars = lprocfs_ofd_module_vars;
- lvars->obd_vars = lprocfs_ofd_obd_vars;
+ 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 */
+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 /* CONFIG_PROC_FS */