X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Fmdt%2Fmdt_lproc.c;h=1ad735ee103151de4599086e256bb3b04f7b57f8;hb=8a0a6dbec5537764958d4863e76de249fdd675a4;hp=0e957188124a9ff7ad1c51d10b5b685a0587c5f2;hpb=5e9b1828ee5a9cb92b85005c0a34962bee56d137;p=fs%2Flustre-release.git diff --git a/lustre/mdt/mdt_lproc.c b/lustre/mdt/mdt_lproc.c index 0e95718..1ad735e 100644 --- a/lustre/mdt/mdt_lproc.c +++ b/lustre/mdt/mdt_lproc.c @@ -1,6 +1,4 @@ -/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*- - * vim:expandtab:shiftwidth=8:tabstop=8: - * +/* * GPL HEADER START * * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. @@ -17,17 +15,15 @@ * * 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 2008 Sun Microsystems, Inc. All rights reserved + * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. * Use is subject to license terms. + * + * Copyright (c) 2011, 2017, Intel Corporation. */ /* * This file is part of Lustre, http://www.lustre.org/ @@ -39,18 +35,15 @@ * Author: Fan Yong */ -#ifndef EXPORT_SYMTAB -# define EXPORT_SYMTAB -#endif #define DEBUG_SUBSYSTEM S_MDS #include #include #include - +#include /* LUSTRE_VERSION_CODE */ -#include +#include /* * struct OBD_{ALLOC,FREE}*() * MDT_FAIL_CHECK @@ -62,425 +55,1218 @@ #include #include #include -#include #include -#include #include "mdt_internal.h" -static const char *mdt_proc_names[LPROC_MDT_NR] = { -}; +/** + * The rename stats output would be YAML formats, like + * rename_stats: + * - snapshot_time: 1234567890.123456 + * - same_dir: + * 4kB: { samples: 1230, pct: 33, cum_pct: 45 } + * 8kB: { samples: 1242, pct: 33, cum_pct: 78 } + * 16kB: { samples: 132, pct: 3, cum_pct: 81 } + * - crossdir_src: + * 4kB: { samples: 123, pct: 33, cum_pct: 45 } + * 8kB: { samples: 124, pct: 33, cum_pct: 78 } + * 16kB: { samples: 12, pct: 3, cum_pct: 81 } + * - crossdir_tgt: + * 4kB: { samples: 123, pct: 33, cum_pct: 45 } + * 8kB: { samples: 124, pct: 33, cum_pct: 78 } + * 16kB: { samples: 12, pct: 3, cum_pct: 81 } + **/ + +static void display_rename_stats(struct seq_file *seq, char *name, + struct obd_histogram *hist) +{ + unsigned long tot, t, cum = 0; + int i; + + tot = lprocfs_oh_sum(hist); + if (tot > 0) + seq_printf(seq, "- %-15s\n", name); + /* dir size start from 4K, start i from 10(2^10) here */ + for (i = 0; i < OBD_HIST_MAX; i++) { + t = hist->oh_buckets[i]; + cum += t; + if (cum == 0) + continue; + + if (i < 10) + seq_printf(seq, "%6s%d%s", " ", 1<< i, "bytes:"); + else if (i < 20) + seq_printf(seq, "%6s%d%s", " ", 1<<(i-10), "KB:"); + else + seq_printf(seq, "%6s%d%s", " ", 1<<(i-20), "MB:"); + + seq_printf(seq, " { sample: %3lu, pct: %3u, cum_pct: %3u }\n", + t, pct(t, tot), pct(cum, tot)); + + if (cum == tot) + break; + } +} -int mdt_procfs_init(struct mdt_device *mdt, const char *name) +static void rename_stats_show(struct seq_file *seq, + struct rename_stats *rename_stats) { - struct lu_device *ld = &mdt->mdt_md_dev.md_lu_dev; - int result; - ENTRY; + struct timespec64 now; + + /* this sampling races with updates */ + ktime_get_real_ts64(&now); + seq_printf(seq, "rename_stats:\n"); + seq_printf(seq, "- %-15s %llu.%9lu\n", "snapshot_time:", + (s64)now.tv_sec, now.tv_nsec); + + display_rename_stats(seq, "same_dir", + &rename_stats->hist[RENAME_SAMEDIR_SIZE]); + display_rename_stats(seq, "crossdir_src", + &rename_stats->hist[RENAME_CROSSDIR_SRC_SIZE]); + display_rename_stats(seq, "crossdir_tgt", + &rename_stats->hist[RENAME_CROSSDIR_TGT_SIZE]); +} - LASSERT(name != NULL); - mdt->mdt_proc_entry = ld->ld_obd->obd_proc_entry; - LASSERT(mdt->mdt_proc_entry != NULL); +static int mdt_rename_stats_seq_show(struct seq_file *seq, void *v) +{ + struct mdt_device *mdt = seq->private; + + rename_stats_show(seq, &mdt->mdt_rename_stats); - result = lu_time_init(&mdt->mdt_stats, mdt->mdt_proc_entry, - mdt_proc_names, ARRAY_SIZE(mdt_proc_names)); - if (result == 0) - result = lu_time_named_init(&ld->ld_site->ls_time_stats, - "site_time", mdt->mdt_proc_entry, - lu_time_names, - ARRAY_SIZE(lu_time_names)); - RETURN(result); + return 0; } -int mdt_procfs_fini(struct mdt_device *mdt) +static ssize_t +mdt_rename_stats_seq_write(struct file *file, const char __user *buf, + size_t len, loff_t *off) { - struct lu_device *ld = &mdt->mdt_md_dev.md_lu_dev; - lu_time_fini(&ld->ld_site->ls_time_stats); - lu_time_fini(&mdt->mdt_stats); - mdt->mdt_proc_entry = NULL; - RETURN(0); + struct seq_file *seq = file->private_data; + struct mdt_device *mdt = seq->private; + int i; + + for (i = 0; i < RENAME_LAST; i++) + lprocfs_oh_clear(&mdt->mdt_rename_stats.hist[i]); + + return len; } +LPROC_SEQ_FOPS(mdt_rename_stats); -void mdt_time_start(const struct mdt_thread_info *info) +static int lproc_mdt_attach_rename_seqstat(struct mdt_device *mdt) { - lu_lprocfs_time_start(info->mti_env); + int i; + + for (i = 0; i < RENAME_LAST; i++) + spin_lock_init(&mdt->mdt_rename_stats.hist[i].oh_lock); + + return lprocfs_obd_seq_create(mdt2obd_dev(mdt), "rename_stats", 0644, + &mdt_rename_stats_fops, mdt); } -void mdt_time_end(const struct mdt_thread_info *info, int idx) +void mdt_rename_counter_tally(struct mdt_thread_info *info, + struct mdt_device *mdt, + struct ptlrpc_request *req, + struct mdt_object *src, + struct mdt_object *tgt) { - lu_lprocfs_time_end(info->mti_env, info->mti_mdt->mdt_stats, idx); + struct md_attr *ma = &info->mti_attr; + struct rename_stats *rstats = &mdt->mdt_rename_stats; + int rc; + + ma->ma_need = MA_INODE; + ma->ma_valid = 0; + rc = mo_attr_get(info->mti_env, mdt_object_child(src), ma); + if (rc) { + CERROR("%s: "DFID" attr_get, rc = %d\n", + mdt_obd_name(mdt), PFID(mdt_object_fid(src)), rc); + return; + } + + if (src == tgt) { + mdt_counter_incr(req, LPROC_MDT_SAMEDIR_RENAME); + lprocfs_oh_tally_log2(&rstats->hist[RENAME_SAMEDIR_SIZE], + (unsigned int)ma->ma_attr.la_size); + return; + } + + mdt_counter_incr(req, LPROC_MDT_CROSSDIR_RENAME); + lprocfs_oh_tally_log2(&rstats->hist[RENAME_CROSSDIR_SRC_SIZE], + (unsigned int)ma->ma_attr.la_size); + + ma->ma_need = MA_INODE; + ma->ma_valid = 0; + rc = mo_attr_get(info->mti_env, mdt_object_child(tgt), ma); + if (rc) { + CERROR("%s: "DFID" attr_get, rc = %d\n", + mdt_obd_name(mdt), PFID(mdt_object_fid(tgt)), rc); + return; + } + + lprocfs_oh_tally_log2(&rstats->hist[RENAME_CROSSDIR_TGT_SIZE], + (unsigned int)ma->ma_attr.la_size); } -static int lprocfs_rd_identity_expire(char *page, char **start, off_t off, - int count, int *eof, void *data) +static ssize_t identity_expire_show(struct kobject *kobj, + struct attribute *attr, char *buf) { - struct obd_device *obd = data; - struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev); + struct obd_device *obd = container_of(kobj, struct obd_device, + obd_kset.kobj); + struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev); - *eof = 1; - return snprintf(page, count, "%lu\n", - mdt->mdt_identity_cache->uc_entry_expire / HZ); + return scnprintf(buf, PAGE_SIZE, "%lld\n", + mdt->mdt_identity_cache->uc_entry_expire); } -static int lprocfs_wr_identity_expire(struct file *file, const char *buffer, - unsigned long count, void *data) +static ssize_t identity_expire_store(struct kobject *kobj, + struct attribute *attr, + const char *buffer, size_t count) { - struct obd_device *obd = data; - struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev); - int rc, val; + struct obd_device *obd = container_of(kobj, struct obd_device, + obd_kset.kobj); + struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev); + time64_t val; + int rc; + + rc = kstrtoll(buffer, 10, &val); + if (rc) + return rc; - rc = lprocfs_write_helper(buffer, count, &val); - if (rc) - return rc; + if (val < 0) + return -ERANGE; - mdt->mdt_identity_cache->uc_entry_expire = val * HZ; - return count; + mdt->mdt_identity_cache->uc_entry_expire = val; + + return count; } +LUSTRE_RW_ATTR(identity_expire); -static int lprocfs_rd_identity_acquire_expire(char *page, char **start, - off_t off, int count, int *eof, - void *data) +static ssize_t identity_acquire_expire_show(struct kobject *kobj, + struct attribute *attr, char *buf) { - struct obd_device *obd = data; - struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev); + struct obd_device *obd = container_of(kobj, struct obd_device, + obd_kset.kobj); + struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev); - *eof = 1; - return snprintf(page, count, "%lu\n", - mdt->mdt_identity_cache->uc_acquire_expire / HZ); + return scnprintf(buf, PAGE_SIZE, "%lld\n", + mdt->mdt_identity_cache->uc_acquire_expire); } -static int lprocfs_wr_identity_acquire_expire(struct file *file, - const char *buffer, - unsigned long count, - void *data) +static ssize_t identity_acquire_expire_store(struct kobject *kobj, + struct attribute *attr, + const char *buffer, size_t count) { - struct obd_device *obd = data; - struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev); - int rc, val; + struct obd_device *obd = container_of(kobj, struct obd_device, + obd_kset.kobj); + struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev); + time64_t val; + int rc; + + rc = kstrtoll(buffer, 0, &val); + if (rc) + return rc; + + if (val < 0 || val > INT_MAX) + return -ERANGE; + + mdt->mdt_identity_cache->uc_acquire_expire = val; - rc = lprocfs_write_helper(buffer, count, &val); - if (rc) - return rc; + return count; +} +LUSTRE_RW_ATTR(identity_acquire_expire); - mdt->mdt_identity_cache->uc_acquire_expire = val * HZ; - return count; +static ssize_t identity_upcall_show(struct kobject *kobj, + struct attribute *attr, char *buf) +{ + struct obd_device *obd = container_of(kobj, struct obd_device, + obd_kset.kobj); + struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev); + struct upcall_cache *hash = mdt->mdt_identity_cache; + int rc; + + down_read(&hash->uc_upcall_rwsem); + rc = scnprintf(buf, PAGE_SIZE, "%s\n", hash->uc_upcall); + up_read(&hash->uc_upcall_rwsem); + return rc; } -static int lprocfs_rd_identity_upcall(char *page, char **start, off_t off, - int count, int *eof, void *data) +static ssize_t identity_upcall_store(struct kobject *kobj, + struct attribute *attr, + const char *buffer, size_t count) { - struct obd_device *obd = data; - struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev); - struct upcall_cache *hash = mdt->mdt_identity_cache; - int len; + struct obd_device *obd = container_of(kobj, struct obd_device, + obd_kset.kobj); + struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev); + struct upcall_cache *hash = mdt->mdt_identity_cache; + + if (count >= UC_CACHE_UPCALL_MAXPATH) { + CERROR("%s: identity upcall too long\n", mdt_obd_name(mdt)); + return -EINVAL; + } + + /* Remove any extraneous bits from the upcall (e.g. linefeeds) */ + down_write(&hash->uc_upcall_rwsem); + sscanf(buffer, "%s", hash->uc_upcall); + up_write(&hash->uc_upcall_rwsem); + + if (strcmp(hash->uc_name, mdt_obd_name(mdt)) != 0) + CWARN("%s: write to upcall name %s\n", + mdt_obd_name(mdt), hash->uc_upcall); + + if (strcmp(hash->uc_upcall, "NONE") == 0 && mdt->mdt_opts.mo_acl) + CWARN("%s: disable \"identity_upcall\" with ACL enabled maybe " + "cause unexpected \"EACCESS\"\n", mdt_obd_name(mdt)); + + CDEBUG(D_CONFIG, "%s: identity upcall set to %s\n", mdt_obd_name(mdt), + hash->uc_upcall); + RETURN(count); +} +LUSTRE_RW_ATTR(identity_upcall); - *eof = 1; - read_lock(&hash->uc_upcall_rwlock); - len = snprintf(page, count, "%s\n", hash->uc_upcall); - read_unlock(&hash->uc_upcall_rwlock); - return len; +static ssize_t identity_flush_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 mdt_device *mdt = mdt_dev(obd->obd_lu_dev); + int uid; + int rc; + + rc = kstrtoint(buffer, 0, &uid); + if (rc) + return rc; + + mdt_flush_identity(mdt->mdt_identity_cache, uid); + return count; } +LUSTRE_WO_ATTR(identity_flush); -static int lprocfs_wr_identity_upcall(struct file *file, const char *buffer, - unsigned long count, void *data) +static ssize_t +lprocfs_identity_info_seq_write(struct file *file, const char __user *buffer, + size_t count, void *data) { - struct obd_device *obd = data; - struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev); - struct upcall_cache *hash = mdt->mdt_identity_cache; - char kernbuf[UC_CACHE_UPCALL_MAXPATH] = { '\0' }; + struct seq_file *m = file->private_data; + struct obd_device *obd = m->private; + struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev); + struct identity_downcall_data *param; + int size = sizeof(*param), rc, checked = 0; + +again: + if (count < size) { + CERROR("%s: invalid data count = %lu, size = %d\n", + mdt_obd_name(mdt), (unsigned long) count, size); + return -EINVAL; + } + + OBD_ALLOC(param, size); + if (param == NULL) + return -ENOMEM; + + if (copy_from_user(param, buffer, size)) { + CERROR("%s: bad identity data\n", mdt_obd_name(mdt)); + GOTO(out, rc = -EFAULT); + } + + if (checked == 0) { + checked = 1; + if (param->idd_magic != IDENTITY_DOWNCALL_MAGIC) { + CERROR("%s: MDS identity downcall bad params\n", + mdt_obd_name(mdt)); + GOTO(out, rc = -EINVAL); + } + + if (param->idd_nperms > N_PERMS_MAX) { + CERROR("%s: perm count %d more than maximum %d\n", + mdt_obd_name(mdt), param->idd_nperms, + N_PERMS_MAX); + GOTO(out, rc = -EINVAL); + } + + if (param->idd_ngroups > NGROUPS_MAX) { + CERROR("%s: group count %d more than maximum %d\n", + mdt_obd_name(mdt), param->idd_ngroups, + NGROUPS_MAX); + GOTO(out, rc = -EINVAL); + } + + if (param->idd_ngroups) { + rc = param->idd_ngroups; /* save idd_ngroups */ + OBD_FREE(param, size); + size = offsetof(struct identity_downcall_data, + idd_groups[rc]); + goto again; + } + } + + rc = upcall_cache_downcall(mdt->mdt_identity_cache, param->idd_err, + param->idd_uid, param); - if (count >= UC_CACHE_UPCALL_MAXPATH) { - CERROR("%s: identity upcall too long\n", obd->obd_name); - return -EINVAL; - } +out: + if (param != NULL) + OBD_FREE(param, size); + + return rc ? rc : count; +} +LPROC_SEQ_FOPS_WR_ONLY(mdt, identity_info); - if (copy_from_user(kernbuf, buffer, min_t(unsigned long, count, - UC_CACHE_UPCALL_MAXPATH - 1))) - return -EFAULT; +static int mdt_site_stats_seq_show(struct seq_file *m, void *data) +{ + struct obd_device *obd = m->private; + struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev); - /* Remove any extraneous bits from the upcall (e.g. linefeeds) */ - write_lock(&hash->uc_upcall_rwlock); - sscanf(kernbuf, "%s", hash->uc_upcall); - write_unlock(&hash->uc_upcall_rwlock); + return lu_site_stats_seq_print(mdt_lu_site(mdt), m); +} +LPROC_SEQ_FOPS_RO(mdt_site_stats); - if (strcmp(hash->uc_name, obd->obd_name) != 0) - CWARN("%s: write to upcall name %s\n", - obd->obd_name, hash->uc_upcall); +#define BUFLEN (UUID_MAX + 4) - if (strcmp(hash->uc_upcall, "NONE") == 0 && mdt->mdt_opts.mo_acl) - CWARN("%s: disable \"identity_upcall\" with ACL enabled maybe " - "cause unexpected \"EACCESS\"\n", obd->obd_name); +static ssize_t +lprocfs_mds_evict_client_seq_write(struct file *file, const char __user *buf, + size_t count, loff_t *off) +{ + struct seq_file *m = file->private_data; + struct obd_device *obd = m->private; + struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev); + char *kbuf; + char *tmpbuf; + int rc = 0; + + OBD_ALLOC(kbuf, BUFLEN); + if (kbuf == NULL) + return -ENOMEM; + + /* + * OBD_ALLOC() will zero kbuf, but we only copy BUFLEN - 1 + * bytes into kbuf, to ensure that the string is NUL-terminated. + * UUID_MAX should include a trailing NUL already. + */ + if (copy_from_user(kbuf, buf, min_t(unsigned long, BUFLEN - 1, count))) + GOTO(out, rc = -EFAULT); + tmpbuf = cfs_firststr(kbuf, min_t(unsigned long, BUFLEN - 1, count)); + + if (strncmp(tmpbuf, "nid:", 4) != 0) { + count = lprocfs_evict_client_seq_write(file, buf, count, off); + goto out; + } + + if (mdt->mdt_opts.mo_evict_tgt_nids) { + rc = obd_set_info_async(NULL, mdt->mdt_child_exp, + sizeof(KEY_EVICT_BY_NID), + KEY_EVICT_BY_NID, + strlen(tmpbuf + 4) + 1, + tmpbuf + 4, NULL); + if (rc) + CERROR("Failed to evict nid %s from OSTs: rc %d\n", + tmpbuf + 4, rc); + } + + /* See the comments in function lprocfs_wr_evict_client() + * in ptlrpc/lproc_ptlrpc.c for details. - jay */ + class_incref(obd, __func__, current); + obd_export_evict_by_nid(obd, tmpbuf + 4); + class_decref(obd, __func__, current); - CWARN("%s: identity upcall set to %s\n", obd->obd_name, hash->uc_upcall); - return count; + +out: + OBD_FREE(kbuf, BUFLEN); + return rc < 0 ? rc : count; } -static int lprocfs_wr_identity_flush(struct file *file, const char *buffer, - unsigned long count, void *data) +#undef BUFLEN + +static ssize_t evict_tgt_nids_show(struct kobject *kobj, + struct attribute *attr, char *buf) { - struct obd_device *obd = data; - struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev); - int rc, uid; + struct obd_device *obd = container_of(kobj, struct obd_device, + obd_kset.kobj); + struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev); - rc = lprocfs_write_helper(buffer, count, &uid); - if (rc) - return rc; + return scnprintf(buf, PAGE_SIZE, "%u\n", + mdt->mdt_opts.mo_evict_tgt_nids); +} - mdt_flush_identity(mdt->mdt_identity_cache, uid); - return count; +static ssize_t evict_tgt_nids_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 mdt_device *mdt = mdt_dev(obd->obd_lu_dev); + bool val; + int rc; + + rc = kstrtobool(buffer, &val); + if (rc) + return rc; + + mdt->mdt_opts.mo_evict_tgt_nids = val; + return count; } +LUSTRE_RW_ATTR(evict_tgt_nids); -static int lprocfs_wr_identity_info(struct file *file, const char *buffer, - unsigned long count, void *data) +static ssize_t commit_on_sharing_show(struct kobject *kobj, + struct attribute *attr, char *buf) { - struct obd_device *obd = data; - struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev); - struct identity_downcall_data sparam, *param = &sparam; - int size = 0, rc = 0; + struct obd_device *obd = container_of(kobj, struct obd_device, + obd_kset.kobj); + struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev); - if (count < sizeof(*param)) { - CERROR("%s: invalid data size %lu\n", obd->obd_name, count); - return count; - } + return scnprintf(buf, PAGE_SIZE, "%u\n", mdt_cos_is_enabled(mdt)); +} - if (copy_from_user(&sparam, buffer, sizeof(sparam))) { - CERROR("%s: bad identity data\n", obd->obd_name); - GOTO(out, rc = -EFAULT); - } +static ssize_t commit_on_sharing_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 mdt_device *mdt = mdt_dev(obd->obd_lu_dev); + bool val; + int rc; + + rc = kstrtobool(buffer, &val); + if (rc) + return rc; + + mdt_enable_cos(mdt, val); + return count; +} +LUSTRE_RW_ATTR(commit_on_sharing); - if (sparam.idd_magic != IDENTITY_DOWNCALL_MAGIC) { - CERROR("%s: MDS identity downcall bad params\n", obd->obd_name); - GOTO(out, rc = -EINVAL); - } +static int mdt_root_squash_seq_show(struct seq_file *m, void *data) +{ + struct obd_device *obd = m->private; + struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev); + struct root_squash_info *squash = &mdt->mdt_squash; - if (sparam.idd_nperms > N_PERMS_MAX) { - CERROR("%s: perm count %d more than maximum %d\n", - obd->obd_name, sparam.idd_nperms, N_PERMS_MAX); - GOTO(out, rc = -EINVAL); - } + seq_printf(m, "%u:%u\n", squash->rsi_uid, + squash->rsi_gid); + return 0; +} - if (sparam.idd_ngroups > NGROUPS_MAX) { - CERROR("%s: group count %d more than maximum %d\n", - obd->obd_name, sparam.idd_ngroups, NGROUPS_MAX); - GOTO(out, rc = -EINVAL); - } +static ssize_t +mdt_root_squash_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 mdt_device *mdt = mdt_dev(obd->obd_lu_dev); + struct root_squash_info *squash = &mdt->mdt_squash; - if (sparam.idd_ngroups) { - size = offsetof(struct identity_downcall_data, - idd_groups[sparam.idd_ngroups]); - OBD_ALLOC(param, size); - if (!param) { - CERROR("%s: fail to alloc %d bytes for uid %u" - " with %d groups\n", obd->obd_name, size, - sparam.idd_uid, sparam.idd_ngroups); - param = &sparam; - param->idd_ngroups = 0; - } else if (copy_from_user(param, buffer, size)) { - CERROR("%s: uid %u bad supplementary group data\n", - obd->obd_name, sparam.idd_uid); - OBD_FREE(param, size); - param = &sparam; - param->idd_ngroups = 0; - } - } + return lprocfs_wr_root_squash(buffer, count, squash, + mdt_obd_name(mdt)); +} +LPROC_SEQ_FOPS(mdt_root_squash); - rc = upcall_cache_downcall(mdt->mdt_identity_cache, param->idd_err, - param->idd_uid, param); +static int mdt_nosquash_nids_seq_show(struct seq_file *m, void *data) +{ + struct obd_device *obd = m->private; + struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev); + struct root_squash_info *squash = &mdt->mdt_squash; + int len = 0; + + spin_lock(&squash->rsi_lock); + if (!list_empty(&squash->rsi_nosquash_nids)) { + len = cfs_print_nidlist(m->buf + m->count, m->size - m->count, + &squash->rsi_nosquash_nids); + m->count += len; + seq_putc(m, '\n'); + } else + seq_puts(m, "NONE\n"); + spin_unlock(&squash->rsi_lock); + + return 0; +} -out: - if (param && (param != &sparam)) - OBD_FREE(param, size); +static ssize_t +mdt_nosquash_nids_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 mdt_device *mdt = mdt_dev(obd->obd_lu_dev); + struct root_squash_info *squash = &mdt->mdt_squash; - return rc ?: count; + return lprocfs_wr_nosquash_nids(buffer, count, squash, + mdt_obd_name(mdt)); } +LPROC_SEQ_FOPS(mdt_nosquash_nids); -/* for debug only */ -static int lprocfs_rd_capa(char *page, char **start, off_t off, - int count, int *eof, void *data) +static ssize_t enable_remote_dir_show(struct kobject *kobj, + struct attribute *attr, char *buf) { - struct obd_device *obd = data; - struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev); + struct obd_device *obd = container_of(kobj, struct obd_device, + obd_kset.kobj); + struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev); - return snprintf(page, count, "capability on: %s %s\n", - mdt->mdt_opts.mo_oss_capa ? "oss" : "", - mdt->mdt_opts.mo_mds_capa ? "mds" : ""); + return scnprintf(buf, PAGE_SIZE, "%u\n", mdt->mdt_enable_remote_dir); } -static int lprocfs_wr_capa(struct file *file, const char *buffer, - unsigned long count, void *data) +static ssize_t enable_remote_dir_store(struct kobject *kobj, + struct attribute *attr, + const char *buffer, size_t count) { - struct obd_device *obd = data; - struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev); - int val, rc; + struct obd_device *obd = container_of(kobj, struct obd_device, + obd_kset.kobj); + struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev); + bool val; + int rc; + + rc = kstrtobool(buffer, &val); + if (rc) + return rc; + + mdt->mdt_enable_remote_dir = val; + return count; +} +LUSTRE_RW_ATTR(enable_remote_dir); - rc = lprocfs_write_helper(buffer, count, &val); - if (rc) - return rc; +static ssize_t enable_remote_dir_gid_show(struct kobject *kobj, + struct attribute *attr, char *buf) +{ + struct obd_device *obd = container_of(kobj, struct obd_device, + obd_kset.kobj); + struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev); - if (val < 0 || val > 3) { - CERROR("invalid capability mode, only 0/2/3 is accepted.\n" - " 0: disable fid capability\n" - " 2: enable MDS fid capability\n" - " 3: enable both MDS and OSS fid capability\n"); - return -EINVAL; - } + return scnprintf(buf, PAGE_SIZE, "%d\n", + (int)mdt->mdt_enable_remote_dir_gid); +} - /* OSS fid capability needs enable both MDS and OSS fid capability on - * MDS */ - if (val == 1) { - CERROR("can't enable OSS fid capability only, you should use " - "'3' to enable both MDS and OSS fid capability.\n"); - return -EINVAL; - } +static ssize_t enable_remote_dir_gid_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 mdt_device *mdt = mdt_dev(obd->obd_lu_dev); + int val; + int rc; + + rc = kstrtoint(buffer, 0, &val); + if (rc) + return rc; + + mdt->mdt_enable_remote_dir_gid = val; + return count; +} +LUSTRE_RW_ATTR(enable_remote_dir_gid); - mdt->mdt_opts.mo_oss_capa = (val & 0x1); - mdt->mdt_opts.mo_mds_capa = !!(val & 0x2); - mdt->mdt_capa_conf = 1; - LCONSOLE_INFO("MDS %s %s MDS fid capability.\n", - obd->obd_name, - mdt->mdt_opts.mo_mds_capa ? "enabled" : "disabled"); - LCONSOLE_INFO("MDS %s %s OSS fid capability.\n", - obd->obd_name, - mdt->mdt_opts.mo_oss_capa ? "enabled" : "disabled"); - return count; +static ssize_t enable_striped_dir_show(struct kobject *kobj, + struct attribute *attr, char *buf) +{ + struct obd_device *obd = container_of(kobj, struct obd_device, + obd_kset.kobj); + struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev); + + return scnprintf(buf, PAGE_SIZE, "%u\n", mdt->mdt_enable_striped_dir); } -static int lprocfs_rd_capa_count(char *page, char **start, off_t off, - int count, int *eof, void *data) +static ssize_t enable_striped_dir_store(struct kobject *kobj, + struct attribute *attr, + const char *buffer, size_t count) { - return snprintf(page, count, "%d %d\n", - capa_count[CAPA_SITE_CLIENT], - capa_count[CAPA_SITE_SERVER]); + struct obd_device *obd = container_of(kobj, struct obd_device, + obd_kset.kobj); + struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev); + bool val; + int rc; + + rc = kstrtobool(buffer, &val); + if (rc) + return rc; + + mdt->mdt_enable_striped_dir = val; + return count; } +LUSTRE_RW_ATTR(enable_striped_dir); -static int lprocfs_rd_site_stats(char *page, char **start, off_t off, - int count, int *eof, void *data) +static ssize_t enable_dir_migration_show(struct kobject *kobj, + struct attribute *attr, char *buf) { - struct obd_device *obd = data; - struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev); + struct obd_device *obd = container_of(kobj, struct obd_device, + obd_kset.kobj); + struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev); + + return scnprintf(buf, PAGE_SIZE, "%u\n", mdt->mdt_enable_dir_migration); +} - return lu_site_stats_print(mdt_lu_site(mdt), page, count); +static ssize_t enable_dir_migration_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 mdt_device *mdt = mdt_dev(obd->obd_lu_dev); + bool val; + int rc; + + rc = kstrtobool(buffer, &val); + if (rc) + return rc; + + mdt->mdt_enable_dir_migration = val; + return count; } +LUSTRE_RW_ATTR(enable_dir_migration); -static int lprocfs_rd_capa_timeout(char *page, char **start, off_t off, - int count, int *eof, void *data) +/** + * Show MDT async commit count. + * + * @m seq_file handle + * @data unused for single entry + * + * Return: 0 on success + * negative value on error + */ +static ssize_t async_commit_count_show(struct kobject *kobj, + struct attribute *attr, char *buf) { - struct obd_device *obd = data; - struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev); + struct obd_device *obd = container_of(kobj, struct obd_device, + obd_kset.kobj); + struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev); - return snprintf(page, count, "%lu\n", mdt->mdt_capa_timeout); + return scnprintf(buf, PAGE_SIZE, "%d\n", + atomic_read(&mdt->mdt_async_commit_count)); } -static int lprocfs_wr_capa_timeout(struct file *file, const char *buffer, - unsigned long count, void *data) +static ssize_t async_commit_count_store(struct kobject *kobj, + struct attribute *attr, + const char *buffer, size_t count) { - struct obd_device *obd = data; - struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev); - int val, rc; + struct obd_device *obd = container_of(kobj, struct obd_device, + obd_kset.kobj); + struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev); + int val; + int rc; - rc = lprocfs_write_helper(buffer, count, &val); - if (rc) - return rc; + rc = kstrtoint(buffer, 10, &val); + if (rc) + return rc; - mdt->mdt_capa_timeout = (unsigned long)val; - mdt->mdt_capa_conf = 1; - return count; + atomic_set(&mdt->mdt_async_commit_count, val); + + return count; } +LUSTRE_RW_ATTR(async_commit_count); -static int lprocfs_rd_ck_timeout(char *page, char **start, off_t off, int count, - int *eof, void *data) +/** + * Show MDT sync count. + * + * \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_count_show(struct kobject *kobj, struct attribute *attr, + char *buf) { - struct obd_device *obd = data; - struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev); + struct obd_device *obd = container_of(kobj, struct obd_device, + obd_kset.kobj); + struct lu_target *tgt = obd->u.obt.obt_lut; - return snprintf(page, count, "%lu\n", mdt->mdt_ck_timeout); + return scnprintf(buf, PAGE_SIZE, "%d\n", + atomic_read(&tgt->lut_sync_count)); } -static int lprocfs_wr_ck_timeout(struct file *file, const char *buffer, - unsigned long count, void *data) +static ssize_t sync_count_store(struct kobject *kobj, struct attribute *attr, + const char *buffer, size_t count) { - struct obd_device *obd = data; - struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev); - int val, rc; + struct obd_device *obd = container_of(kobj, struct obd_device, + obd_kset.kobj); + struct lu_target *tgt = obd->u.obt.obt_lut; + int val; + int rc; + + rc = kstrtoint(buffer, 0, &val); + if (rc) + return rc; - rc = lprocfs_write_helper(buffer, count, &val); - if (rc) - return rc; + atomic_set(&tgt->lut_sync_count, val); - mdt->mdt_ck_timeout = (unsigned long)val; - mdt->mdt_capa_conf = 1; - return count; + return count; } +LUSTRE_RW_ATTR(sync_count); + +static char *dom_open_lock_modes[NUM_DOM_LOCK_ON_OPEN_MODES] = { + [NO_DOM_LOCK_ON_OPEN] = "never", + [TRYLOCK_DOM_ON_OPEN] = "trylock", + [ALWAYS_DOM_LOCK_ON_OPEN] = "always", +}; -static int lprocfs_mdt_wr_evict_client(struct file *file, const char *buffer, - unsigned long count, void *data) +/* This must be longer than the longest string above */ +#define DOM_LOCK_MODES_MAXLEN 16 + +/** + * Show MDT policy for data prefetch on open for DoM files.. + * + * \param[in] m seq_file handle + * \param[in] data unused + * + * \retval 0 on success + * \retval negative value on error + */ +static ssize_t dom_lock_show(struct kobject *kobj, struct attribute *attr, + char *buf) { - char tmpbuf[sizeof(struct obd_uuid)]; + struct obd_device *obd = container_of(kobj, struct obd_device, + obd_kset.kobj); + struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev); - sscanf(buffer, "%40s", tmpbuf); + return scnprintf(buf, PAGE_SIZE, "%s\n", + dom_open_lock_modes[mdt->mdt_opts.mo_dom_lock]); +} + +/** + * Change MDT policy for data prefetch on open for DoM files. + * + * This variable defines how DOM lock is taken at open enqueue. + * There are three possible modes: + * 1) never - never take DoM lock on open. DoM lock will be taken as separate + * IO lock with own enqueue. + * 2) trylock - DoM lock will be taken only if non-blocked. + * 3) always - DoM lock will be taken always even if it is blocking lock. + * + * If dom_read_open is enabled too then DoM lock is taken in PR mode and + * is paired with LAYOUT lock when possible. + * + * \param[in] file proc file + * \param[in] buffer string which represents policy + * \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 dom_lock_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 mdt_device *mdt = mdt_dev(obd->obd_lu_dev); + int val = -1; + int i, rc; + + if (count == 0 || count >= DOM_LOCK_MODES_MAXLEN) + return -EINVAL; + + for (i = 0 ; i < NUM_DOM_LOCK_ON_OPEN_MODES; i++) { + /* buffer might have '\n' but using strlen() avoids it */ + if (strncmp(buffer, dom_open_lock_modes[i], + strlen(dom_open_lock_modes[i])) == 0) { + val = i; + break; + } + } + + /* Legacy numeric codes */ + if (val == -1) { + rc = kstrtoint(buffer, 0, &val); + if (rc) + return rc; + } + + if (val < 0 || val >= NUM_DOM_LOCK_ON_OPEN_MODES) + return -EINVAL; + + mdt->mdt_opts.mo_dom_lock = val; + return count; +} +LUSTRE_RW_ATTR(dom_lock); + +/** + * Show MDT policy for data prefetch on open for DoM files.. + * + * \param[in] m seq_file handle + * \param[in] data unused + * + * \retval 0 on success + * \retval negative value on error + */ +static ssize_t dom_read_open_show(struct kobject *kobj, + struct attribute *attr, char *buf) +{ + struct obd_device *obd = container_of(kobj, struct obd_device, + obd_kset.kobj); + struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev); + + return scnprintf(buf, PAGE_SIZE, "%u\n", + !!mdt->mdt_opts.mo_dom_read_open); +} + +/** + * Modify MDT policy for data prefetch on open for DoM files. + * + * If enabled then Data-on-MDT file data may be read during open and + * returned back in reply. It works only with mo_dom_lock enabled. + * + * \param[in] file proc file + * \param[in] buffer string which represents policy + * \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 dom_read_open_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 mdt_device *mdt = mdt_dev(obd->obd_lu_dev); + bool val; + int rc; + + rc = kstrtobool(buffer, &val); + if (rc) + return rc; + + mdt->mdt_opts.mo_dom_read_open = !!val; + return count; +} +LUSTRE_RW_ATTR(dom_read_open); - if (strncmp(tmpbuf, "nid:", 4) != 0) - return lprocfs_wr_evict_client(file, buffer, count, data); +static ssize_t migrate_hsm_allowed_show(struct kobject *kobj, + struct attribute *attr, char *buf) +{ + struct obd_device *obd = container_of(kobj, struct obd_device, + obd_kset.kobj); + struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev); - CERROR("NOT implement evict client by nid %s\n", tmpbuf); + return scnprintf(buf, PAGE_SIZE, "%u\n", + mdt->mdt_opts.mo_migrate_hsm_allowed); +} - return count; +static ssize_t migrate_hsm_allowed_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 mdt_device *mdt = mdt_dev(obd->obd_lu_dev); + bool val; + int rc; + + rc = kstrtobool(buffer, &val); + if (rc) + return rc; + + mdt->mdt_opts.mo_migrate_hsm_allowed = val; + return count; } +LUSTRE_RW_ATTR(migrate_hsm_allowed); -static int lprocfs_rd_cos(char *page, char **start, off_t off, - int count, int *eof, void *data) +static ssize_t readonly_show(struct kobject *kobj, struct attribute *attr, + char *buf) { - struct obd_device *obd = data; - struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev); + struct obd_device *obd = container_of(kobj, struct obd_device, + obd_kset.kobj); + struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev); + + return scnprintf(buf, PAGE_SIZE, "%u\n", mdt->mdt_readonly); +} - return snprintf(page, count, "%u\n", mdt_cos_is_enabled(mdt)); +static ssize_t readonly_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 mdt_device *mdt = mdt_dev(obd->obd_lu_dev); + bool val; + int rc; + + rc = kstrtobool(buffer, &val); + if (rc) + return rc; + + mdt->mdt_readonly = val; + return count; } +LUSTRE_RW_ATTR(readonly); -static int lprocfs_wr_cos(struct file *file, const char *buffer, - unsigned long count, void *data) +static ssize_t enable_remote_rename_show(struct kobject *kobj, + struct attribute *attr, + char *buf) { - struct obd_device *obd = data; - struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev); - int val, rc; + struct obd_device *obd = container_of(kobj, struct obd_device, + obd_kset.kobj); + struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev); - rc = lprocfs_write_helper(buffer, count, &val); - if (rc) - return rc; - mdt_enable_cos(mdt, val); - return count; + return scnprintf(buf, PAGE_SIZE, "%u\n", + mdt->mdt_enable_remote_rename); } +static ssize_t enable_remote_rename_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 mdt_device *mdt = mdt_dev(obd->obd_lu_dev); + bool val; + int rc; + + rc = kstrtobool(buffer, &val); + if (rc) + return rc; + + mdt->mdt_enable_remote_rename = val; + return count; +} +LUSTRE_RW_ATTR(enable_remote_rename); + +LPROC_SEQ_FOPS_RO_TYPE(mdt, hash); +LPROC_SEQ_FOPS_WR_ONLY(mdt, mds_evict_client); +LUSTRE_RW_ATTR(job_cleanup_interval); +LPROC_SEQ_FOPS_RW_TYPE(mdt, nid_stats_clear); +LUSTRE_RW_ATTR(hsm_control); + +LPROC_SEQ_FOPS_RO_TYPE(mdt, recovery_status); +LUSTRE_RW_ATTR(recovery_time_hard); +LUSTRE_RW_ATTR(recovery_time_soft); +LUSTRE_RW_ATTR(ir_factor); + +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); + +static struct attribute *mdt_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_identity_expire.attr, + &lustre_attr_identity_acquire_expire.attr, + &lustre_attr_identity_upcall.attr, + &lustre_attr_identity_flush.attr, + &lustre_attr_evict_tgt_nids.attr, + &lustre_attr_enable_remote_dir.attr, + &lustre_attr_enable_remote_dir_gid.attr, + &lustre_attr_enable_striped_dir.attr, + &lustre_attr_enable_dir_migration.attr, + &lustre_attr_enable_remote_rename.attr, + &lustre_attr_commit_on_sharing.attr, + &lustre_attr_async_commit_count.attr, + &lustre_attr_sync_count.attr, + &lustre_attr_dom_lock.attr, + &lustre_attr_dom_read_open.attr, + &lustre_attr_migrate_hsm_allowed.attr, + &lustre_attr_hsm_control.attr, + &lustre_attr_job_cleanup_interval.attr, + &lustre_attr_readonly.attr, + NULL, +}; + static struct lprocfs_vars lprocfs_mdt_obd_vars[] = { - { "uuid", lprocfs_rd_uuid, 0, 0 }, - { "recovery_status", lprocfs_obd_rd_recovery_status, 0, 0 }, - { "num_exports", lprocfs_rd_num_exports, 0, 0 }, - { "identity_expire", lprocfs_rd_identity_expire, - lprocfs_wr_identity_expire, 0 }, - { "identity_acquire_expire", lprocfs_rd_identity_acquire_expire, - lprocfs_wr_identity_acquire_expire, 0 }, - { "identity_upcall", lprocfs_rd_identity_upcall, - lprocfs_wr_identity_upcall, 0 }, - { "identity_flush", 0, lprocfs_wr_identity_flush, 0 }, - { "identity_info", 0, lprocfs_wr_identity_info, 0 }, - { "capa", lprocfs_rd_capa, - lprocfs_wr_capa, 0 }, - { "capa_timeout", lprocfs_rd_capa_timeout, - lprocfs_wr_capa_timeout, 0 }, - { "capa_key_timeout", lprocfs_rd_ck_timeout, - lprocfs_wr_ck_timeout, 0 }, - { "capa_count", lprocfs_rd_capa_count, 0, 0 }, - { "site_stats", lprocfs_rd_site_stats, 0, 0 }, - { "evict_client", 0, lprocfs_mdt_wr_evict_client, 0 }, - { "hash_stats", lprocfs_obd_rd_hash, 0, 0 }, - { "commit_on_sharing", lprocfs_rd_cos, lprocfs_wr_cos, 0 }, - { 0 } + { .name = "recovery_status", + .fops = &mdt_recovery_status_fops }, + { .name = "identity_info", + .fops = &mdt_identity_info_fops }, + { .name = "site_stats", + .fops = &mdt_site_stats_fops }, + { .name = "evict_client", + .fops = &mdt_mds_evict_client_fops }, + { .name = "hash_stats", + .fops = &mdt_hash_fops }, + { .name = "root_squash", + .fops = &mdt_root_squash_fops }, + { .name = "nosquash_nids", + .fops = &mdt_nosquash_nids_fops }, + { NULL } }; -static struct lprocfs_vars lprocfs_mdt_module_vars[] = { - { "num_refs", lprocfs_rd_numrefs, 0, 0 }, - { 0 } +static int +lprocfs_mdt_print_open_files(struct cfs_hash *hs, struct cfs_hash_bd *bd, + struct hlist_node *hnode, void *v) +{ + struct obd_export *exp = cfs_hash_object(hs, hnode); + struct seq_file *seq = v; + + if (exp->exp_lock_hash != NULL) { + struct mdt_export_data *med = &exp->exp_mdt_data; + struct mdt_file_data *mfd; + + spin_lock(&med->med_open_lock); + list_for_each_entry(mfd, &med->med_open_head, mfd_list) { + seq_printf(seq, DFID"\n", + PFID(mdt_object_fid(mfd->mfd_object))); + } + spin_unlock(&med->med_open_lock); + } + + return 0; +} + +static int lprocfs_mdt_open_files_seq_show(struct seq_file *seq, void *v) +{ + struct nid_stat *stats = seq->private; + struct obd_device *obd = stats->nid_obd; + + cfs_hash_for_each_key(obd->obd_nid_hash, &stats->nid, + lprocfs_mdt_print_open_files, seq); + + return 0; +} + +int lprocfs_mdt_open_files_seq_open(struct inode *inode, struct file *file) +{ + struct seq_file *seq; + int rc; + + rc = single_open(file, &lprocfs_mdt_open_files_seq_show, NULL); + if (rc != 0) + return rc; + + seq = file->private_data; + seq->private = PDE_DATA(inode); + + return 0; +} + +void mdt_counter_incr(struct ptlrpc_request *req, int opcode) +{ + struct obd_export *exp = req->rq_export; + + if (exp->exp_obd && exp->exp_obd->obd_md_stats) + lprocfs_counter_incr(exp->exp_obd->obd_md_stats, + opcode + LPROC_MD_LAST_OPC); + if (exp->exp_nid_stats && exp->exp_nid_stats->nid_stats != NULL) + lprocfs_counter_incr(exp->exp_nid_stats->nid_stats, opcode); + if (exp->exp_obd && exp->exp_obd->u.obt.obt_jobstats.ojs_hash && + (exp_connect_flags(exp) & OBD_CONNECT_JOBSTATS)) + lprocfs_job_stats_log(exp->exp_obd, + lustre_msg_get_jobid(req->rq_reqmsg), + opcode, 1); +} + +static const char * const mdt_stats[] = { + [LPROC_MDT_OPEN] = "open", + [LPROC_MDT_CLOSE] = "close", + [LPROC_MDT_MKNOD] = "mknod", + [LPROC_MDT_LINK] = "link", + [LPROC_MDT_UNLINK] = "unlink", + [LPROC_MDT_MKDIR] = "mkdir", + [LPROC_MDT_RMDIR] = "rmdir", + [LPROC_MDT_RENAME] = "rename", + [LPROC_MDT_GETATTR] = "getattr", + [LPROC_MDT_SETATTR] = "setattr", + [LPROC_MDT_GETXATTR] = "getxattr", + [LPROC_MDT_SETXATTR] = "setxattr", + [LPROC_MDT_STATFS] = "statfs", + [LPROC_MDT_SYNC] = "sync", + [LPROC_MDT_SAMEDIR_RENAME] = "samedir_rename", + [LPROC_MDT_CROSSDIR_RENAME] = "crossdir_rename", + [LPROC_MDT_IO_READ] = "read_bytes", + [LPROC_MDT_IO_WRITE] = "write_bytes", + [LPROC_MDT_IO_PUNCH] = "punch", }; -void lprocfs_mdt_init_vars(struct lprocfs_static_vars *lvars) +void mdt_stats_counter_init(struct lprocfs_stats *stats) +{ + int idx; + + LASSERT(stats && stats->ls_num >= ARRAY_SIZE(mdt_stats)); + + for (idx = 0; idx < ARRAY_SIZE(mdt_stats); idx++) { + int flags = 0; + + if (idx == LPROC_MDT_IO_WRITE || idx == LPROC_MDT_IO_READ) + flags = LPROCFS_CNTR_AVGMINMAX; + + lprocfs_counter_init(stats, idx, flags, mdt_stats[idx], "reqs"); + } +} + +int mdt_tunables_init(struct mdt_device *mdt, const char *name) +{ + struct obd_device *obd = mdt2obd_dev(mdt); + int rc; + int i; + + ENTRY; + LASSERT(name != NULL); + + obd->obd_ktype.default_attrs = mdt_attrs; + obd->obd_vars = lprocfs_mdt_obd_vars; + rc = lprocfs_obd_setup(obd, true); + if (rc) { + CERROR("%s: cannot create proc entries: rc = %d\n", + mdt_obd_name(mdt), rc); + return rc; + } + + rc = tgt_tunables_init(&mdt->mdt_lut); + if (rc) { + CERROR("%s: failed to init target tunables: rc = %d\n", + mdt_obd_name(mdt), rc); + return rc; + } + + rc = hsm_cdt_tunables_init(mdt); + if (rc) { + CERROR("%s: cannot create hsm proc entries: rc = %d\n", + mdt_obd_name(mdt), rc); + return rc; + } + + obd->obd_proc_exports_entry = proc_mkdir("exports", + obd->obd_proc_entry); + if (obd->obd_proc_exports_entry) + lprocfs_add_simple(obd->obd_proc_exports_entry, "clear", + obd, &mdt_nid_stats_clear_fops); + + rc = lprocfs_alloc_md_stats(obd, ARRAY_SIZE(mdt_stats)); + if (rc) + return rc; + + /* add additional MDT md_stats after the default ones */ + for (i = 0; i < ARRAY_SIZE(mdt_stats); i++) { + int idx = i + LPROC_MD_LAST_OPC; + int flags = 0; + + if (idx == LPROC_MDT_IO_WRITE || idx == LPROC_MDT_IO_READ) + flags = LPROCFS_CNTR_AVGMINMAX; + + lprocfs_counter_init(obd->obd_md_stats, idx, flags, + mdt_stats[i], "reqs"); + } + + rc = lprocfs_job_stats_init(obd, ARRAY_SIZE(mdt_stats), + mdt_stats_counter_init); + + rc = lproc_mdt_attach_rename_seqstat(mdt); + if (rc) + CERROR("%s: MDT can not create rename stats rc = %d\n", + mdt_obd_name(mdt), rc); + + RETURN(rc); +} + +void mdt_tunables_fini(struct mdt_device *mdt) { - lvars->module_vars = lprocfs_mdt_module_vars; - lvars->obd_vars = lprocfs_mdt_obd_vars; + struct obd_device *obd = mdt2obd_dev(mdt); + + if (obd->obd_proc_exports_entry != NULL) { + lprocfs_remove_proc_entry("clear", obd->obd_proc_exports_entry); + obd->obd_proc_exports_entry = NULL; + } + + lprocfs_free_per_client_stats(obd); + /* hsm_cdt_tunables is disabled earlier than this to avoid + * coordinator restart. + */ + hsm_cdt_tunables_fini(mdt); + tgt_tunables_fini(&mdt->mdt_lut); + lprocfs_obd_cleanup(obd); + lprocfs_free_md_stats(obd); + lprocfs_free_obd_stats(obd); + lprocfs_job_stats_fini(obd); }