-/* -*- 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.
* 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, 2012, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
* Author: Fan Yong <fanyong@clusterfs.com>
*/
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
#define DEBUG_SUBSYSTEM S_MDS
#include <linux/version.h>
#include <lustre_mds.h>
#include <lustre_mdt.h>
#include <lprocfs_status.h>
-#include <lu_time.h>
#include "mdt_internal.h"
+#include <lnet/lib-lnet.h>
+
+/**
+ * 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 }
+ **/
+
+#define pct(a, b) (b ? a * 100 / b : 0)
+
+static void display_rename_stats(struct seq_file *seq, char *name,
+ struct obd_histogram *hist)
+{
+ unsigned long tot, t, cum = 0;
+ int i;
-static const char *mdt_proc_names[LPROC_MDT_NR] = {
-};
+ 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: %3lu, cum_pct: %3lu }\n",
+ t, pct(t, tot), pct(cum, tot));
+
+ if (cum == tot)
+ break;
+ }
+}
+
+static void rename_stats_show(struct seq_file *seq,
+ struct rename_stats *rename_stats)
+{
+ struct timeval now;
+
+ /* this sampling races with updates */
+ do_gettimeofday(&now);
+ seq_printf(seq, "rename_stats:\n");
+ seq_printf(seq, "- %-15s %lu.%lu\n", "snapshot_time:",
+ now.tv_sec, now.tv_usec);
+
+ 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]);
+}
+
+#undef pct
+
+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);
+
+ return 0;
+}
+
+static ssize_t mdt_rename_stats_seq_write(struct file *file, const char *buf,
+ size_t len, loff_t *off)
+{
+ 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);
+
+static int lproc_mdt_attach_rename_seqstat(struct mdt_device *mdt)
+{
+ struct lu_device *ld = &mdt->mdt_md_dev.md_lu_dev;
+ struct obd_device *obd = ld->ld_obd;
+ 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(obd, "rename_stats", 0644,
+ &mdt_rename_stats_fops, mdt);
+}
+
+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)
+{
+ 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",
+ req->rq_export->exp_obd->obd_name,
+ 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",
+ req->rq_export->exp_obd->obd_name,
+ PFID(mdt_object_fid(tgt)), rc);
+ return;
+ }
+
+ lprocfs_oh_tally_log2(&rstats->hist[RENAME_CROSSDIR_TGT_SIZE],
+ (unsigned int)ma->ma_attr.la_size);
+}
int mdt_procfs_init(struct mdt_device *mdt, const char *name)
{
struct lu_device *ld = &mdt->mdt_md_dev.md_lu_dev;
- int result;
+ struct obd_device *obd = ld->ld_obd;
+ struct lprocfs_static_vars lvars;
+ int rc;
ENTRY;
LASSERT(name != NULL);
- mdt->mdt_proc_entry = ld->ld_obd->obd_proc_entry;
- LASSERT(mdt->mdt_proc_entry != NULL);
- 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);
+ lprocfs_mdt_init_vars(&lvars);
+ rc = lprocfs_obd_setup(obd, lvars.obd_vars);
+ if (rc) {
+ CERROR("Can't init lprocfs, rc %d\n", rc);
+ return rc;
+ }
+ ptlrpc_lprocfs_register_obd(obd);
+
+ 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", lprocfs_nid_stats_clear_read,
+ lprocfs_nid_stats_clear_write, obd, NULL);
+ rc = lprocfs_alloc_md_stats(obd, LPROC_MDT_LAST);
+ if (rc)
+ return rc;
+ mdt_stats_counter_init(obd->md_stats);
+
+ rc = lprocfs_job_stats_init(obd, LPROC_MDT_LAST,
+ mdt_stats_counter_init);
+
+ rc = lproc_mdt_attach_rename_seqstat(mdt);
+ if (rc)
+ CERROR("%s: MDT can not create rename stats rc = %d\n",
+ obd->obd_name, rc);
+
+ RETURN(rc);
}
int mdt_procfs_fini(struct mdt_device *mdt)
{
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 obd_device *obd = ld->ld_obd;
-void mdt_time_start(const struct mdt_thread_info *info)
-{
- lu_lprocfs_time_start(info->mti_env);
-}
+ lprocfs_job_stats_fini(obd);
-void mdt_time_end(const struct mdt_thread_info *info, int idx)
-{
- lu_lprocfs_time_end(info->mti_env, info->mti_mdt->mdt_stats, idx);
+ if (obd->obd_proc_exports_entry) {
+ lprocfs_remove_proc_entry("clear", obd->obd_proc_exports_entry);
+ obd->obd_proc_exports_entry = NULL;
+ }
+ lprocfs_free_per_client_stats(obd);
+ lprocfs_obd_cleanup(obd);
+ ptlrpc_lprocfs_unregister_obd(obd);
+ lprocfs_free_md_stats(obd);
+ lprocfs_free_obd_stats(obd);
+
+ RETURN(0);
}
static int lprocfs_rd_identity_expire(char *page, char **start, off_t off,
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 snprintf(page, count, "%u\n",
+ mdt->mdt_identity_cache->uc_entry_expire);
}
static int lprocfs_wr_identity_expire(struct file *file, const char *buffer,
if (rc)
return rc;
- mdt->mdt_identity_cache->uc_entry_expire = val * HZ;
+ mdt->mdt_identity_cache->uc_entry_expire = val;
return count;
}
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 snprintf(page, count, "%u\n",
+ mdt->mdt_identity_cache->uc_acquire_expire);
}
static int lprocfs_wr_identity_acquire_expire(struct file *file,
if (rc)
return rc;
- mdt->mdt_identity_cache->uc_acquire_expire = val * HZ;
+ mdt->mdt_identity_cache->uc_acquire_expire = val;
return count;
}
struct upcall_cache *hash = mdt->mdt_identity_cache;
int len;
- *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;
+ *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 int lprocfs_wr_identity_upcall(struct file *file, const char *buffer,
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' };
+ int rc;
+ char *kernbuf;
if (count >= UC_CACHE_UPCALL_MAXPATH) {
CERROR("%s: identity upcall too long\n", obd->obd_name);
return -EINVAL;
}
-
- if (copy_from_user(kernbuf, buffer, min_t(unsigned long, count,
- UC_CACHE_UPCALL_MAXPATH - 1)))
- return -EFAULT;
+ OBD_ALLOC(kernbuf, count + 1);
+ if (kernbuf == NULL)
+ GOTO(failed, rc = -ENOMEM);
+ if (cfs_copy_from_user(kernbuf, buffer, count))
+ GOTO(failed, rc = -EFAULT);
/* 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);
+ write_lock(&hash->uc_upcall_rwlock);
+ sscanf(kernbuf, "%s", hash->uc_upcall);
+ write_unlock(&hash->uc_upcall_rwlock);
if (strcmp(hash->uc_name, obd->obd_name) != 0)
CWARN("%s: write to upcall name %s\n",
"cause unexpected \"EACCESS\"\n", obd->obd_name);
CWARN("%s: identity upcall set to %s\n", obd->obd_name, hash->uc_upcall);
- return count;
+ OBD_FREE(kernbuf, count + 1);
+ RETURN(count);
+
+ failed:
+ if (kernbuf)
+ OBD_FREE(kernbuf, count + 1);
+ RETURN(rc);
}
static int lprocfs_wr_identity_flush(struct file *file, const char *buffer,
{
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 identity_downcall_data *param;
+ int size = sizeof(*param), rc, checked = 0;
- if (count < sizeof(*param)) {
- CERROR("%s: invalid data size %lu\n", obd->obd_name, count);
- return count;
+again:
+ if (count < size) {
+ CERROR("%s: invalid data count = %lu, size = %d\n",
+ obd->obd_name, count, size);
+ return -EINVAL;
}
- if (copy_from_user(&sparam, buffer, sizeof(sparam))) {
+ OBD_ALLOC(param, size);
+ if (param == NULL)
+ return -ENOMEM;
+
+ if (cfs_copy_from_user(param, buffer, size)) {
CERROR("%s: bad identity data\n", obd->obd_name);
GOTO(out, rc = -EFAULT);
}
- if (sparam.idd_magic != IDENTITY_DOWNCALL_MAGIC) {
- CERROR("%s: MDS identity downcall bad params\n", obd->obd_name);
- GOTO(out, rc = -EINVAL);
- }
+ if (checked == 0) {
+ checked = 1;
+ if (param->idd_magic != IDENTITY_DOWNCALL_MAGIC) {
+ CERROR("%s: MDS identity downcall bad params\n",
+ obd->obd_name);
+ GOTO(out, rc = -EINVAL);
+ }
- 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);
- }
+ if (param->idd_nperms > N_PERMS_MAX) {
+ CERROR("%s: perm count %d more than maximum %d\n",
+ obd->obd_name, param->idd_nperms, N_PERMS_MAX);
+ GOTO(out, rc = -EINVAL);
+ }
- 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);
- }
+ if (param->idd_ngroups > NGROUPS_MAX) {
+ CERROR("%s: group count %d more than maximum %d\n",
+ obd->obd_name, param->idd_ngroups, NGROUPS_MAX);
+ GOTO(out, rc = -EINVAL);
+ }
- 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);
+ if (param->idd_ngroups) {
+ rc = param->idd_ngroups; /* save idd_ngroups */
OBD_FREE(param, size);
- param = &sparam;
- param->idd_ngroups = 0;
+ size = offsetof(struct identity_downcall_data,
+ idd_groups[rc]);
+ goto again;
}
}
param->idd_uid, param);
out:
- if (param && (param != &sparam))
+ if (param != NULL)
OBD_FREE(param, size);
- return rc ?: count;
+ return rc ? rc : count;
}
/* for debug only */
{
struct obd_device *obd = data;
struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
- struct lu_site *s = mdt->mdt_md_dev.md_lu_dev.ld_site;
- int i;
- int populated;
- /*
- * How many hash buckets are not-empty? Don't bother with locks: it's
- * an estimation anyway.
- */
- for (i = 0, populated = 0; i < s->ls_hash_size; i++)
- populated += !hlist_empty(&s->ls_hash[i]);
-
- return snprintf(page, count, "%d %d %d/%d %d %d %d %d %d %d\n",
- s->ls_total,
- s->ls_busy,
- populated,
- s->ls_hash_size,
- s->ls_stats.s_created,
- s->ls_stats.s_cache_hit,
- s->ls_stats.s_cache_miss,
- s->ls_stats.s_cache_check,
- s->ls_stats.s_cache_race,
- s->ls_stats.s_lru_purged);
+ return lu_site_stats_print(mdt_lu_site(mdt), page, count);
}
static int lprocfs_rd_capa_timeout(char *page, char **start, off_t off,
return count;
}
+#define BUFLEN (UUID_MAX + 4)
+
static int lprocfs_mdt_wr_evict_client(struct file *file, const char *buffer,
unsigned long count, void *data)
{
- char tmpbuf[sizeof(struct obd_uuid)];
+ char *kbuf;
+ char *tmpbuf;
+
+ OBD_ALLOC(kbuf, BUFLEN);
+ if (kbuf == NULL)
+ return -ENOMEM;
- sscanf(buffer, "%40s", tmpbuf);
+ /*
+ * 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 (cfs_copy_from_user(kbuf, buffer,
+ min_t(unsigned long, BUFLEN - 1, count))) {
+ count = -EFAULT;
+ goto out;
+ }
+ tmpbuf = cfs_firststr(kbuf, min_t(unsigned long, BUFLEN - 1, count));
- if (strncmp(tmpbuf, "nid:", 4) != 0)
- return lprocfs_wr_evict_client(file, buffer, count, data);
+ if (strncmp(tmpbuf, "nid:", 4) != 0) {
+ count = lprocfs_wr_evict_client(file, buffer, count, data);
+ goto out;
+ }
CERROR("NOT implement evict client by nid %s\n", tmpbuf);
+out:
+ OBD_FREE(kbuf, BUFLEN);
return count;
}
+#undef BUFLEN
+
+static int lprocfs_rd_sec_level(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct obd_device *obd = data;
+ struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
+
+ return snprintf(page, count, "%d\n", mdt->mdt_sec_level);
+}
+
+static int lprocfs_wr_sec_level(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct obd_device *obd = data;
+ struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
+ int val, rc;
+
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc)
+ return rc;
+
+ if (val > LUSTRE_SEC_ALL || val < LUSTRE_SEC_NONE)
+ return -EINVAL;
+
+ if (val == LUSTRE_SEC_SPECIFY) {
+ CWARN("security level %d will be supported in future.\n",
+ LUSTRE_SEC_SPECIFY);
+ return -EINVAL;
+ }
+
+ mdt->mdt_sec_level = val;
+ return count;
+}
+
+static int lprocfs_rd_cos(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct obd_device *obd = data;
+ struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
+
+ return snprintf(page, count, "%u\n", mdt_cos_is_enabled(mdt));
+}
+
+static int lprocfs_wr_cos(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct obd_device *obd = data;
+ struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
+ int val, rc;
+
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc)
+ return rc;
+ mdt_enable_cos(mdt, val);
+ return count;
+}
+
+static int lprocfs_rd_root_squash(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct obd_device *obd = data;
+ struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
+
+ return snprintf(page, count, "%u:%u\n", mdt->mdt_squash_uid,
+ mdt->mdt_squash_gid);
+}
+
+static int safe_strtoul(const char *str, char **endp, unsigned long *res)
+{
+ char n[24];
+
+ *res = simple_strtoul(str, endp, 0);
+ if (str == *endp)
+ return 1;
+
+ sprintf(n, "%lu", *res);
+ if (strncmp(n, str, *endp - str))
+ /* overflow */
+ return 1;
+ return 0;
+}
+
+static int lprocfs_wr_root_squash(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct obd_device *obd = data;
+ struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
+ int rc;
+ char kernbuf[50], *tmp, *end, *errmsg;
+ unsigned long uid, gid;
+ int nouid, nogid;
+ ENTRY;
+
+ if (count >= sizeof(kernbuf)) {
+ errmsg = "string too long";
+ GOTO(failed, rc = -EINVAL);
+ }
+ if (cfs_copy_from_user(kernbuf, buffer, count)) {
+ errmsg = "bad address";
+ GOTO(failed, rc = -EFAULT);
+ }
+ kernbuf[count] = '\0';
+
+ nouid = nogid = 0;
+ if (safe_strtoul(buffer, &tmp, &uid)) {
+ uid = mdt->mdt_squash_uid;
+ nouid = 1;
+ }
+
+ /* skip ':' */
+ if (*tmp == ':') {
+ tmp++;
+ if (safe_strtoul(tmp, &end, &gid)) {
+ gid = mdt->mdt_squash_gid;
+ nogid = 1;
+ }
+ } else {
+ gid = mdt->mdt_squash_gid;
+ nogid = 1;
+ }
+
+ mdt->mdt_squash_uid = uid;
+ mdt->mdt_squash_gid = gid;
+
+ if (nouid && nogid) {
+ errmsg = "needs uid:gid format";
+ GOTO(failed, rc = -EINVAL);
+ }
+
+ LCONSOLE_INFO("%s: root_squash is set to %u:%u\n",
+ obd->obd_name,
+ mdt->mdt_squash_uid, mdt->mdt_squash_gid);
+ RETURN(count);
+
+ failed:
+ CWARN("%s: failed to set root_squash to \"%s\", %s: rc %d\n",
+ obd->obd_name, buffer, errmsg, rc);
+ RETURN(rc);
+}
+
+static int lprocfs_rd_nosquash_nids(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct obd_device *obd = data;
+ struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
+
+ if (mdt->mdt_nosquash_str)
+ return snprintf(page, count, "%s\n", mdt->mdt_nosquash_str);
+ return snprintf(page, count, "NONE\n");
+}
+
+static int lprocfs_wr_nosquash_nids(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct obd_device *obd = data;
+ struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
+ int rc;
+ char *kernbuf, *errmsg;
+ cfs_list_t tmp;
+ ENTRY;
+
+ OBD_ALLOC(kernbuf, count + 1);
+ if (kernbuf == NULL) {
+ errmsg = "no memory";
+ GOTO(failed, rc = -ENOMEM);
+ }
+ if (cfs_copy_from_user(kernbuf, buffer, count)) {
+ errmsg = "bad address";
+ GOTO(failed, rc = -EFAULT);
+ }
+ kernbuf[count] = '\0';
+
+ if (!strcmp(kernbuf, "NONE") || !strcmp(kernbuf, "clear")) {
+ /* empty string is special case */
+ down_write(&mdt->mdt_squash_sem);
+ if (!cfs_list_empty(&mdt->mdt_nosquash_nids)) {
+ cfs_free_nidlist(&mdt->mdt_nosquash_nids);
+ OBD_FREE(mdt->mdt_nosquash_str,
+ mdt->mdt_nosquash_strlen);
+ mdt->mdt_nosquash_str = NULL;
+ mdt->mdt_nosquash_strlen = 0;
+ }
+ up_write(&mdt->mdt_squash_sem);
+ LCONSOLE_INFO("%s: nosquash_nids is cleared\n",
+ obd->obd_name);
+ OBD_FREE(kernbuf, count + 1);
+ RETURN(count);
+ }
+
+ CFS_INIT_LIST_HEAD(&tmp);
+ if (cfs_parse_nidlist(kernbuf, count, &tmp) <= 0) {
+ errmsg = "can't parse";
+ GOTO(failed, rc = -EINVAL);
+ }
+
+ down_write(&mdt->mdt_squash_sem);
+ if (!cfs_list_empty(&mdt->mdt_nosquash_nids)) {
+ cfs_free_nidlist(&mdt->mdt_nosquash_nids);
+ OBD_FREE(mdt->mdt_nosquash_str, mdt->mdt_nosquash_strlen);
+ }
+ mdt->mdt_nosquash_str = kernbuf;
+ mdt->mdt_nosquash_strlen = count + 1;
+ cfs_list_splice(&tmp, &mdt->mdt_nosquash_nids);
+
+ LCONSOLE_INFO("%s: nosquash_nids is set to %s\n",
+ obd->obd_name, kernbuf);
+ up_write(&mdt->mdt_squash_sem);
+ RETURN(count);
+
+ failed:
+ CWARN("%s: failed to set nosquash_nids to \"%s\", %s: rc %d\n",
+ obd->obd_name, kernbuf, errmsg, rc);
+ if (kernbuf)
+ OBD_FREE(kernbuf, count + 1);
+ RETURN(rc);
+}
+
+static int lprocfs_rd_mdt_som(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct obd_device *obd = data;
+ struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
+
+ return snprintf(page, count, "%sabled\n",
+ mdt->mdt_som_conf ? "en" : "dis");
+}
+
+static int lprocfs_wr_mdt_som(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct obd_export *exp;
+ struct obd_device *obd = data;
+ struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
+ char kernbuf[16];
+ unsigned long val = 0;
+
+ if (count > (sizeof(kernbuf) - 1))
+ return -EINVAL;
+
+ if (cfs_copy_from_user(kernbuf, buffer, count))
+ return -EFAULT;
+
+ kernbuf[count] = '\0';
+
+ if (!strcmp(kernbuf, "enabled"))
+ val = 1;
+ else if (strcmp(kernbuf, "disabled"))
+ return -EINVAL;
+
+ if (mdt->mdt_som_conf == val)
+ return count;
+
+ if (!obd->obd_process_conf) {
+ CERROR("Temporary SOM change is not supported, use lctl "
+ "conf_param for permanent setting\n");
+ return count;
+ }
+
+ /* 1 stands for self export. */
+ cfs_list_for_each_entry(exp, &obd->obd_exports, exp_obd_chain) {
+ if (exp == obd->obd_self_export)
+ continue;
+ if (exp->exp_connect_flags & OBD_CONNECT_MDS_MDS)
+ continue;
+ /* Some clients are already connected, skip the change */
+ LCONSOLE_INFO("%s is already connected, SOM will be %s on "
+ "the next mount\n", exp->exp_client_uuid.uuid,
+ val ? "enabled" : "disabled");
+ return count;
+ }
+
+ mdt->mdt_som_conf = val;
+ LCONSOLE_INFO("Enabling SOM\n");
+
+ return count;
+}
+
+/* Temporary; for testing purposes only */
+static int lprocfs_mdt_wr_mdc(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct obd_device *obd = data;
+ struct obd_export *exp = NULL;
+ struct obd_uuid *uuid;
+ char *kbuf;
+ char *tmpbuf;
+
+ OBD_ALLOC(kbuf, UUID_MAX);
+ if (kbuf == NULL)
+ return -ENOMEM;
+
+ /*
+ * OBD_ALLOC() will zero kbuf, but we only copy UUID_MAX - 1
+ * bytes into kbuf, to ensure that the string is NUL-terminated.
+ * UUID_MAX should include a trailing NUL already.
+ */
+ if (cfs_copy_from_user(kbuf, buffer,
+ min_t(unsigned long, UUID_MAX - 1, count))) {
+ count = -EFAULT;
+ goto out;
+ }
+ tmpbuf = cfs_firststr(kbuf, min_t(unsigned long, UUID_MAX - 1, count));
+
+ OBD_ALLOC(uuid, UUID_MAX);
+ if (uuid == NULL) {
+ count = -ENOMEM;
+ goto out;
+ }
+
+ obd_str2uuid(uuid, tmpbuf);
+ exp = cfs_hash_lookup(obd->obd_uuid_hash, uuid);
+ if (exp == NULL) {
+ CERROR("%s: no export %s found\n",
+ obd->obd_name, obd_uuid2str(uuid));
+ } else {
+ mdt_hsm_copytool_send(exp);
+ class_export_put(exp);
+ }
+
+ OBD_FREE(uuid, UUID_MAX);
+out:
+ OBD_FREE(kbuf, UUID_MAX);
+ return count;
+}
+
+static int lprocfs_rd_enable_remote_dir(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct obd_device *obd = data;
+ struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
+
+ return snprintf(page, count, "%u\n", mdt->mdt_enable_remote_dir);
+}
+
+static int lprocfs_wr_enable_remote_dir(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct obd_device *obd = data;
+ struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
+ __u32 val;
+ int rc;
+
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc)
+ return rc;
+
+ if (val < 0 || val > 1)
+ return -ERANGE;
+
+ mdt->mdt_enable_remote_dir = val;
+ return count;
+}
+
static struct lprocfs_vars lprocfs_mdt_obd_vars[] = {
{ "uuid", lprocfs_rd_uuid, 0, 0 },
{ "recovery_status", lprocfs_obd_rd_recovery_status, 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 },
+ { "sec_level", lprocfs_rd_sec_level,
+ lprocfs_wr_sec_level, 0 },
+ { "commit_on_sharing", lprocfs_rd_cos, lprocfs_wr_cos, 0 },
+ { "root_squash", lprocfs_rd_root_squash,
+ lprocfs_wr_root_squash, 0 },
+ { "nosquash_nids", lprocfs_rd_nosquash_nids,
+ lprocfs_wr_nosquash_nids, 0 },
+ { "som", lprocfs_rd_mdt_som,
+ lprocfs_wr_mdt_som, 0 },
+ { "mdccomm", 0, lprocfs_mdt_wr_mdc, 0 },
+ { "instance", lprocfs_target_rd_instance, 0 },
+ { "ir_factor", lprocfs_obd_rd_ir_factor,
+ lprocfs_obd_wr_ir_factor, 0 },
+ { "job_cleanup_interval", lprocfs_rd_job_interval,
+ lprocfs_wr_job_interval, 0 },
+ { "enable_remote_dir", lprocfs_rd_enable_remote_dir,
+ lprocfs_wr_enable_remote_dir, 0},
{ 0 }
};
void lprocfs_mdt_init_vars(struct lprocfs_static_vars *lvars)
{
- lvars->module_vars = lprocfs_mdt_module_vars;
- lvars->obd_vars = lprocfs_mdt_obd_vars;
+ lvars->module_vars = lprocfs_mdt_module_vars;
+ lvars->obd_vars = lprocfs_mdt_obd_vars;
+}
+
+struct lprocfs_vars lprocfs_mds_obd_vars[] = {
+ { "uuid", lprocfs_rd_uuid, 0, 0 },
+ { 0 }
+};
+
+struct lprocfs_vars lprocfs_mds_module_vars[] = {
+ { "num_refs", lprocfs_rd_numrefs, 0, 0 },
+ { 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->md_stats)
+ lprocfs_counter_incr(exp->exp_obd->md_stats, opcode);
+ 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->exp_connect_flags & OBD_CONNECT_JOBSTATS))
+ lprocfs_job_stats_log(exp->exp_obd,
+ lustre_msg_get_jobid(req->rq_reqmsg),
+ opcode, 1);
+}
+
+void mdt_stats_counter_init(struct lprocfs_stats *stats)
+{
+ lprocfs_counter_init(stats, LPROC_MDT_OPEN, 0, "open", "reqs");
+ lprocfs_counter_init(stats, LPROC_MDT_CLOSE, 0, "close", "reqs");
+ lprocfs_counter_init(stats, LPROC_MDT_MKNOD, 0, "mknod", "reqs");
+ lprocfs_counter_init(stats, LPROC_MDT_LINK, 0, "link", "reqs");
+ lprocfs_counter_init(stats, LPROC_MDT_UNLINK, 0, "unlink", "reqs");
+ lprocfs_counter_init(stats, LPROC_MDT_MKDIR, 0, "mkdir", "reqs");
+ lprocfs_counter_init(stats, LPROC_MDT_RMDIR, 0, "rmdir", "reqs");
+ lprocfs_counter_init(stats, LPROC_MDT_RENAME, 0, "rename", "reqs");
+ lprocfs_counter_init(stats, LPROC_MDT_GETATTR, 0, "getattr", "reqs");
+ lprocfs_counter_init(stats, LPROC_MDT_SETATTR, 0, "setattr", "reqs");
+ lprocfs_counter_init(stats, LPROC_MDT_GETXATTR, 0, "getxattr", "reqs");
+ lprocfs_counter_init(stats, LPROC_MDT_SETXATTR, 0, "setxattr", "reqs");
+ lprocfs_counter_init(stats, LPROC_MDT_STATFS, 0, "statfs", "reqs");
+ lprocfs_counter_init(stats, LPROC_MDT_SYNC, 0, "sync", "reqs");
+ lprocfs_counter_init(stats, LPROC_MDT_SAMEDIR_RENAME, 0,
+ "samedir_rename", "reqs");
+ lprocfs_counter_init(stats, LPROC_MDT_CROSSDIR_RENAME, 0,
+ "crossdir_rename", "reqs");
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff