X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Fofd%2Flproc_ofd.c;h=04aa829f8eae3fddcb0103b11a86bcfc7b632d45;hp=4d104e54d3a55c431d219435a96ac20d5b696e15;hb=HEAD;hpb=5065210e4d04fb5f67626e7f3c10e208556cdf8b diff --git a/lustre/ofd/lproc_ofd.c b/lustre/ofd/lproc_ofd.c index 4d104e5..b0c4210 100644 --- a/lustre/ofd/lproc_ofd.c +++ b/lustre/ofd/lproc_ofd.c @@ -15,11 +15,7 @@ * * 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 */ @@ -27,41 +23,1112 @@ * 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 + * Author: Mikhail Pershin + * Author: Johann Lombardi + * Author: Fan Yong */ #define DEBUG_SUBSYSTEM S_CLASS -#include -#include #include +#include #include -#include +#include +#include +#include #include "ofd_internal.h" -#ifdef LPROCFS +#ifdef CONFIG_PROC_FS + +/** + * 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; + + 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 number of seconds to delay atime + * + * \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 atime_diff_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 scnprintf(buf, PAGE_SIZE, "%lld\n", ofd->ofd_atime_diff); +} + +/** + * Change number of seconds to delay atime + * + * \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 atime_diff_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) + return rc; + + if (val > 86400) + return -EINVAL; + + ofd->ofd_atime_diff = val; + return count; +} +LUSTRE_RW_ATTR(atime_diff); + +/** + * 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) & ~0xFFFF : + 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. + * + * \retval count of bytes written + */ +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] 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 if the OFD is in no precreate mode. + * + * This means OFD has been adminstratively disabled at the OST to prevent + * the MDS from creating any new files on the OST, though existing files + * can still be read, written, and unlinked. + * + * \retval number of bytes written + */ +static ssize_t no_create_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 scnprintf(buf, PAGE_SIZE, "%u\n", ofd->ofd_lut.lut_no_create); +} + +/** + * Set OFD to no create mode. + * + * This is used to interface to userspace administrative tools to + * disable new object creation on the OST. + * + * \param[in] count \a buffer length + * + * \retval \a count on success + * \retval negative number on error + */ +static ssize_t no_create_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_lut.lut_no_create = val; + spin_unlock(&ofd->ofd_flags_lock); + + return count; +} +LUSTRE_RW_ATTR(no_create); + +#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 20, 53, 0) +/* compatibility entry for a few releases */ +#define no_precreate_show no_create_show +#define no_precreate_store no_create_store +LUSTRE_RW_ATTR(no_precreate); +#endif + +/** + * 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); + char kernbuf[22] = ""; + u64 val; + int rc; + + if (count >= sizeof(kernbuf)) + return -EINVAL; + + if (copy_from_user(kernbuf, buffer, count)) + return -EFAULT; + kernbuf[count] = 0; + + rc = sysfs_memparse(kernbuf, count, &val, "MiB"); + if (rc < 0) + 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); + +/* + * ofd_checksum_type(server) proc handling + */ +DECLARE_CKSUM_NAME; + +static int ofd_checksum_type_seq_show(struct seq_file *m, void *data) +{ + struct obd_device *obd = m->private; + struct lu_target *lut; + enum cksum_types pref; + int i; + + if (!obd) + return 0; + + lut = obd2obt(obd)->obt_lut; + /* select fastest checksum type on the server */ + pref = obd_cksum_type_select(obd->obd_name, + lut->lut_cksum_types_supported, + lut->lut_dt_conf.ddp_t10_cksum_type); + + for (i = 0; i < ARRAY_SIZE(cksum_name); i++) { + if ((BIT(i) & lut->lut_cksum_types_supported) == 0) + continue; + + if (pref == BIT(i)) + seq_printf(m, "[%s] ", cksum_name[i]); + else + seq_printf(m, "%s ", cksum_name[i]); + } + seq_puts(m, "\n"); + + return 0; +} + +LPROC_SEQ_FOPS_RO(ofd_checksum_type); + -static struct lprocfs_vars lprocfs_ofd_obd_vars[] = { - { "uuid", lprocfs_rd_uuid, 0, 0 }, - { 0 } +#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 16, 53, 0) +static ssize_t sync_on_lock_cancel_show(struct kobject *kobj, + struct attribute *attr, char *buf) +{ + return sync_lock_cancel_show(kobj, attr, buf); +} + +static ssize_t sync_on_lock_cancel_store(struct kobject *kobj, + struct attribute *attr, + const char *buffer, size_t count) +{ + static bool sync_on_lock_cancel_warned; + + if (!sync_on_lock_cancel_warned) { + sync_on_lock_cancel_warned = true; + pr_info("ofd: 'obdfilter.*.sync_on_lock_cancel' is deprecated, use 'obdfilter.*.sync_lock_cancel' instead\n"); + } + return sync_lock_cancel_store(kobj, attr, buffer, count); +} +LUSTRE_RW_ATTR(sync_on_lock_cancel); +#endif + +/** + * 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 count; +} +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 ssize_t access_log_mask_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 scnprintf(buf, PAGE_SIZE, "%s%s%s\n", + (ofd->ofd_access_log_mask == 0) ? "0" : "", + (ofd->ofd_access_log_mask & OFD_ACCESS_READ) ? "r" : "", + (ofd->ofd_access_log_mask & OFD_ACCESS_WRITE) ? "w" : ""); +} + +static ssize_t access_log_mask_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 mask = 0; + size_t i; + + for (i = 0; i < count; i++) { + switch (tolower(buffer[i])) { + case '0': + break; + case 'r': + mask |= OFD_ACCESS_READ; + break; + case 'w': + mask |= OFD_ACCESS_WRITE; + break; + default: + return -EINVAL; + } + } + + ofd->ofd_access_log_mask = mask; + + return count; +} +LUSTRE_RW_ATTR(access_log_mask); + +static ssize_t access_log_size_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 scnprintf(buf, PAGE_SIZE, "%u\n", ofd->ofd_access_log_size); +} + +static ssize_t access_log_size_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); + struct ofd_access_log *oal; + unsigned int size; + ssize_t rc; + + rc = kstrtouint(buffer, 0, &size); + if (rc < 0) + return rc; + + if (!ofd_access_log_size_is_valid(size)) + return -EINVAL; + + /* The size of the ofd_access_log cannot be changed after it + * has been created. + */ + if (ofd->ofd_access_log_size == size) + return count; + + oal = ofd_access_log_create(obd->obd_name, size); + if (IS_ERR(oal)) + return PTR_ERR(oal); + + spin_lock(&ofd->ofd_flags_lock); + if (ofd->ofd_access_log != NULL) { + rc = -EBUSY; + } else { + ofd->ofd_access_log = oal; + ofd->ofd_access_log_size = size; + oal = NULL; + rc = count; + } + spin_unlock(&ofd->ofd_flags_lock); + + ofd_access_log_delete(oal); + + return rc; +} +LUSTRE_RW_ATTR(access_log_size); + +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 lu_target *lut = obd2obt(obd)->obt_lut; + + return scnprintf(buf, PAGE_SIZE, "%u\n", lut->lut_cksum_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 lu_target *lut = obd2obt(obd)->obt_lut; + bool enforce; + int rc; + + rc = kstrtobool(buffer, &enforce); + if (rc) + return rc; + + spin_lock(&lut->lut_flags_lock); + lut->lut_cksum_t10pi_enforce = enforce; + spin_unlock(&lut->lut_flags_lock); + return count; +} +LUSTRE_RW_ATTR(checksum_t10pi_enforce); + +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); +LUSTRE_RW_ATTR(grant_check_threshold); +LUSTRE_RO_ATTR(eviction_count); + +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 }, + { .name = "checksum_type", + .fops = &ofd_checksum_type_fops }, + { NULL } +}; + +LDEBUGFS_SEQ_FOPS_RO_TYPE(ofd, recovery_stale_clients); + +struct ldebugfs_vars ldebugfs_ofd_obd_vars[] = { + { .name = "recovery_stale_clients", + .fops = &ofd_recovery_stale_clients_fops}, + { NULL } }; -static struct lprocfs_vars lprocfs_ofd_module_vars[] = { - { "num_refs", lprocfs_rd_numrefs, 0, 0 }, - { 0 } +LDEBUGFS_SEQ_FOPS_RO_TYPE(ofd, srpc_serverctx); + +static struct ldebugfs_vars ldebugfs_ofd_gss_vars[] = { + { .name = "srpc_serverctx", + .fops = &ofd_srpc_serverctx_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, unsigned int offset, + enum lprocfs_counter_config cntr_umask) { - 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_BYTES, + LPROCFS_TYPE_BYTES_FULL_HISTOGRAM & (~cntr_umask), + "read_bytes"); + lprocfs_counter_init(stats, LPROC_OFD_STATS_WRITE_BYTES, + LPROCFS_TYPE_BYTES_FULL_HISTOGRAM & (~cntr_umask), + "write_bytes"); + lprocfs_counter_init(stats, LPROC_OFD_STATS_READ, + LPROCFS_TYPE_LATENCY & (~cntr_umask), "read"); + lprocfs_counter_init(stats, LPROC_OFD_STATS_WRITE, + LPROCFS_TYPE_LATENCY & (~cntr_umask), "write"); + lprocfs_counter_init(stats, LPROC_OFD_STATS_GETATTR, + LPROCFS_TYPE_LATENCY & (~cntr_umask), "getattr"); + lprocfs_counter_init(stats, LPROC_OFD_STATS_SETATTR, + LPROCFS_TYPE_LATENCY & (~cntr_umask), "setattr"); + lprocfs_counter_init(stats, LPROC_OFD_STATS_PUNCH, + LPROCFS_TYPE_LATENCY & (~cntr_umask), "punch"); + lprocfs_counter_init(stats, LPROC_OFD_STATS_SYNC, + LPROCFS_TYPE_LATENCY & (~cntr_umask), "sync"); + lprocfs_counter_init(stats, LPROC_OFD_STATS_DESTROY, + LPROCFS_TYPE_LATENCY & (~cntr_umask), "destroy"); + lprocfs_counter_init(stats, LPROC_OFD_STATS_CREATE, + LPROCFS_TYPE_LATENCY & (~cntr_umask), "create"); + lprocfs_counter_init(stats, LPROC_OFD_STATS_STATFS, + LPROCFS_TYPE_LATENCY & (~cntr_umask), "statfs"); + lprocfs_counter_init(stats, LPROC_OFD_STATS_GET_INFO, + LPROCFS_TYPE_LATENCY & (~cntr_umask), "get_info"); + lprocfs_counter_init(stats, LPROC_OFD_STATS_SET_INFO, + LPROCFS_TYPE_LATENCY & (~cntr_umask), "set_info"); + lprocfs_counter_init(stats, LPROC_OFD_STATS_QUOTACTL, + LPROCFS_TYPE_LATENCY & (~cntr_umask), "quotactl"); + lprocfs_counter_init(stats, LPROC_OFD_STATS_PREALLOC, + LPROCFS_TYPE_LATENCY & (~cntr_umask), "prealloc"); } -#endif /* LPROCFS */ +LPROC_SEQ_FOPS(lprocfs_nid_stats_clear); + +LUSTRE_OBD_UINT_PARAM_ATTR(at_min); +LUSTRE_OBD_UINT_PARAM_ATTR(at_max); +LUSTRE_OBD_UINT_PARAM_ATTR(at_history); + +static struct attribute *ofd_attrs[] = { + &lustre_attr_access_log_mask.attr, + &lustre_attr_access_log_size.attr, + &lustre_attr_atime_diff.attr, + &lustre_attr_checksum_t10pi_enforce.attr, + &lustre_attr_degraded.attr, + &lustre_attr_eviction_count.attr, + &lustre_attr_fstype.attr, + &lustre_attr_grant_check_threshold.attr, + &lustre_attr_grant_compat_disable.attr, + &lustre_attr_grant_precreate.attr, + &lustre_attr_instance.attr, + &lustre_attr_ir_factor.attr, + &lustre_attr_job_cleanup_interval.attr, + &lustre_attr_lfsck_speed_limit.attr, + &lustre_attr_no_create.attr, +#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 20, 53, 0) + &lustre_attr_no_precreate.attr, +#endif + &lustre_attr_num_exports.attr, + &lustre_attr_precreate_batch.attr, + &lustre_attr_recovery_time_hard.attr, + &lustre_attr_recovery_time_soft.attr, + &lustre_attr_seqs_allocated.attr, + &lustre_attr_tot_dirty.attr, + &lustre_attr_tot_granted.attr, + &lustre_attr_tot_pending.attr, + &lustre_attr_soft_sync_limit.attr, + &lustre_attr_sync_journal.attr, +#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 16, 53, 0) + &lustre_attr_sync_on_lock_cancel.attr, +#endif + &lustre_attr_at_min.attr, + &lustre_attr_at_max.attr, + &lustre_attr_at_history.attr, + NULL, +}; + +KOBJ_ATTRIBUTE_GROUPS(ofd); /* creates ofd_groups from ofd_attrs */ + +/** + * 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_groups = KOBJ_ATTR_GROUPS(ofd); + 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); + } + ldebugfs_add_vars(obd->obd_debugfs_entry, ldebugfs_ofd_obd_vars, obd); + + 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); + } + + obd->obd_debugfs_gss_dir = debugfs_create_dir("gss", + obd->obd_debugfs_entry); + if (obd->obd_debugfs_gss_dir) + ldebugfs_add_vars(obd->obd_debugfs_gss_dir, + ldebugfs_ofd_gss_vars, obd); + + 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, 0, LPROCFS_CNTR_HISTOGRAM); + + 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 */