/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * Copyright (C) 2004-2006 Cluster File Systems, Inc.
- * Author: Lai Siyao <lsy@clusterfs.com>
- * Author: Fan Yong <fanyong@clusterfs.com>
+ * GPL HEADER START
*
- * This file is part of the Lustre file system, http://www.lustre.org
- * Lustre is a trademark of Cluster File Systems, Inc.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * You may have signed or agreed to another license before downloading
- * this software. If so, you are bound by the terms and conditions
- * of that agreement, and the following does not apply to you. See the
- * LICENSE file included with this distribution for more information.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
*
- * If you did not agree to a different license, then this copy of Lustre
- * is open source software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
*
- * In either case, Lustre is distributed in the hope that it will be
- * useful, but WITHOUT ANY WARRANTY; without even the implied warranty
- * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * license text for more details.
+ * 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.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ *
+ * lustre/mdt/mdt_lproc.c
+ *
+ * Author: Lai Siyao <lsy@clusterfs.com>
+ * Author: Fan Yong <fanyong@clusterfs.com>
*/
#ifndef EXPORT_SYMTAB
#include <lprocfs_status.h>
#include <lu_time.h>
#include "mdt_internal.h"
+#include <lnet/lib-lnet.h>
static const char *mdt_proc_names[LPROC_MDT_NR] = {
};
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;
+
+ 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);
+
+ mdt->mdt_proc_entry = 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);
+ rc = lu_time_init(&mdt->mdt_stats, mdt->mdt_proc_entry,
+ mdt_proc_names, ARRAY_SIZE(mdt_proc_names));
+ if (rc == 0)
+ rc = lu_time_named_init(&ld->ld_site->ls_time_stats,
+ "site_time", mdt->mdt_proc_entry,
+ lu_time_names,
+ ARRAY_SIZE(lu_time_names));
+ if (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", lprocfs_nid_stats_clear_read,
+ lprocfs_nid_stats_clear_write, obd, NULL);
+ rc = lprocfs_alloc_md_stats(obd, LPROC_MDT_NR);
+
+ 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;
+ struct obd_device *obd = ld->ld_obd;
+
+ if (mdt->mdt_proc_entry) {
+ lu_time_fini(&ld->ld_site->ls_time_stats);
+ lu_time_fini(&mdt->mdt_stats);
+ mdt->mdt_proc_entry = NULL;
+ }
+ if (obd->obd_proc_exports_entry) {
+ lprocfs_remove_proc_entry("clear", obd->obd_proc_exports_entry);
+ obd->obd_proc_exports_entry = NULL;
+ }
+ ptlrpc_lprocfs_unregister_obd(obd);
+ lprocfs_free_md_stats(obd);
+ lprocfs_obd_cleanup(obd);
+
RETURN(0);
}
{
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;
*eof = 1;
- return snprintf(page, count, "%s\n",
- mdt->mdt_identity_cache->uc_upcall);
+ 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,
return -EINVAL;
}
- if (copy_from_user(kernbuf, buffer,
- min(count, UC_CACHE_UPCALL_MAXPATH - 1)))
+ if (copy_from_user(kernbuf, buffer, min_t(unsigned long, count,
+ UC_CACHE_UPCALL_MAXPATH - 1)))
return -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);
if (strcmp(hash->uc_name, obd->obd_name) != 0)
CWARN("%s: write to upcall name %s\n",
obd->obd_name, hash->uc_upcall);
- CWARN("%s: identity upcall set to %s\n", obd->obd_name, 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", obd->obd_name);
+
+ CWARN("%s: identity upcall set to %s\n", obd->obd_name, hash->uc_upcall);
return count;
}
GOTO(out, rc = -EINVAL);
}
- if (sparam.idd_nperms > N_SETXID_PERMS_MAX) {
+ if (sparam.idd_nperms > N_PERMS_MAX) {
CERROR("%s: perm count %d more than maximum %d\n",
- obd->obd_name, sparam.idd_nperms, N_SETXID_PERMS_MAX);
+ obd->obd_name, sparam.idd_nperms, N_PERMS_MAX);
GOTO(out, rc = -EINVAL);
}
return rc ?: count;
}
-static int lprocfs_rd_rmtacl_expire(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+/* for debug only */
+static int lprocfs_rd_capa(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);
- *eof = 1;
- return snprintf(page, count, "%lu\n",
- mdt->mdt_rmtacl_cache->uc_entry_expire / HZ);
+ return snprintf(page, count, "capability on: %s %s\n",
+ mdt->mdt_opts.mo_oss_capa ? "oss" : "",
+ mdt->mdt_opts.mo_mds_capa ? "mds" : "");
}
-static int lprocfs_wr_rmtacl_expire(struct file *file, const char *buffer,
- unsigned long count, void *data)
+static int lprocfs_wr_capa(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, val;
+ int val, rc;
rc = lprocfs_write_helper(buffer, count, &val);
if (rc)
return rc;
- mdt->mdt_rmtacl_cache->uc_entry_expire = val * HZ;
+ 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;
+ }
+
+ /* 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;
+ }
+
+ 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 int lprocfs_rd_rmtacl_acquire_expire(char *page, char **start,
- off_t off, int count, int *eof,
- void *data)
+static int lprocfs_rd_capa_count(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ return snprintf(page, count, "%d %d\n",
+ capa_count[CAPA_SITE_CLIENT],
+ capa_count[CAPA_SITE_SERVER]);
+}
+
+static int lprocfs_rd_site_stats(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);
- *eof = 1;
- return snprintf(page, count, "%lu\n",
- mdt->mdt_rmtacl_cache->uc_acquire_expire / HZ);
+ return lu_site_stats_print(mdt_lu_site(mdt), page, count);
}
-static int lprocfs_wr_rmtacl_acquire_expire(struct file *file,
- const char *buffer,
- unsigned long count,
- void *data)
+static int lprocfs_rd_capa_timeout(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);
- int rc, val;
+
+ return snprintf(page, count, "%lu\n", mdt->mdt_capa_timeout);
+}
+
+static int lprocfs_wr_capa_timeout(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->mdt_rmtacl_cache->uc_acquire_expire = val * HZ;
+ mdt->mdt_capa_timeout = (unsigned long)val;
+ mdt->mdt_capa_conf = 1;
return count;
}
-static int lprocfs_rd_rmtacl_upcall(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static int lprocfs_rd_ck_timeout(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);
- *eof = 1;
- return snprintf(page, count, "%s\n",
- mdt->mdt_rmtacl_cache->uc_upcall);
+ return snprintf(page, count, "%lu\n", mdt->mdt_ck_timeout);
}
-static int lprocfs_wr_rmtacl_upcall(struct file *file, const char *buffer,
- unsigned long count, void *data)
+static int lprocfs_wr_ck_timeout(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);
- struct upcall_cache *hash = mdt->mdt_rmtacl_cache;
- char kernbuf[UC_CACHE_UPCALL_MAXPATH] = { '\0' };
-
- if (count >= UC_CACHE_UPCALL_MAXPATH) {
- CERROR("%s: remote ACL upcall too long\n", obd->obd_name);
- return -EINVAL;
- }
-
- if (copy_from_user(kernbuf, buffer,
- min(count, UC_CACHE_UPCALL_MAXPATH - 1)))
- return -EFAULT;
-
- /* Remove any extraneous bits from the upcall (e.g. linefeeds) */
- sscanf(kernbuf, "%s", hash->uc_upcall);
+ int val, rc;
- if (strcmp(hash->uc_name, obd->obd_name) != 0)
- CWARN("%s: write to upcall name %s\n",
- obd->obd_name, hash->uc_upcall);
- CWARN("%s: remote ACL upcall set to %s\n", obd->obd_name, hash->uc_upcall);
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc)
+ return rc;
+ mdt->mdt_ck_timeout = (unsigned long)val;
+ mdt->mdt_capa_conf = 1;
return count;
}
-static int lprocfs_wr_rmtacl_info(struct file *file, const char *buffer,
- unsigned long count, void *data)
+static int lprocfs_mdt_wr_evict_client(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);
- struct rmtacl_downcall_data sparam, *param = &sparam;
- int size = 0, rc = 0;
-
- if (count < sizeof(*param)) {
- CERROR("%s: invalid data size %lu\n", obd->obd_name, count);
- return count;
- }
-
- if (copy_from_user(&sparam, buffer, sizeof(sparam))) {
- CERROR("%s: bad remote acl data\n", obd->obd_name);
- GOTO(out, rc = -EFAULT);
- }
-
- if (sparam.add_magic != RMTACL_DOWNCALL_MAGIC) {
- CERROR("%s: MDT remote acl downcall bad params\n", obd->obd_name);
- GOTO(out, rc = -EINVAL);
- }
+ char tmpbuf[sizeof(struct obd_uuid)];
- if (sparam.add_buflen) {
- size = offsetof(struct rmtacl_downcall_data,
- add_buf[sparam.add_buflen]);
- OBD_ALLOC(param, size);
- if (!param) {
- CERROR("%s: fail to alloc %d bytes for ino "LPU64"\n",
- obd->obd_name, size, sparam.add_key);
- param = &sparam;
- param->add_buflen = 0;
- } else if (copy_from_user(param, buffer, size)) {
- CERROR("%s: ino "LPU64" bad remote acl data\n",
- obd->obd_name, sparam.add_key);
- OBD_FREE(param, size);
- param = &sparam;
- param->add_buflen = 0;
- }
- }
+ sscanf(buffer, "%40s", tmpbuf);
- rc = upcall_cache_downcall(mdt->mdt_rmtacl_cache, 0, param->add_key,
- param);
+ if (strncmp(tmpbuf, "nid:", 4) != 0)
+ return lprocfs_wr_evict_client(file, buffer, count, data);
-out:
- if (param && (param != &sparam))
- OBD_FREE(param, size);
+ CERROR("NOT implement evict client by nid %s\n", tmpbuf);
- return rc ?: count;
+ return count;
}
-static int lprocfs_rd_rootsquash_uid(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+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);
- struct rootsquash_info *rsi = mdt->mdt_rootsquash_info;
- *eof = 1;
- return snprintf(page, count, "%u\n",
- rsi ? rsi->rsi_uid : 0);
+ return snprintf(page, count, "%d\n", mdt->mdt_sec_level);
}
-static int lprocfs_wr_rootsquash_uid(struct file *file, const char *buffer,
- unsigned long count, void *data)
+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);
if (rc)
return rc;
- if (!mdt->mdt_rootsquash_info)
- OBD_ALLOC_PTR(mdt->mdt_rootsquash_info);
- if (!mdt->mdt_rootsquash_info)
- return -ENOMEM;
+ 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_rootsquash_info->rsi_uid = val;
+ mdt->mdt_sec_level = val;
return count;
}
-static int lprocfs_rd_rootsquash_gid(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+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);
- struct rootsquash_info *rsi = mdt->mdt_rootsquash_info;
- *eof = 1;
- return snprintf(page, count, "%u\n",
- rsi ? rsi->rsi_gid : 0);
+ return snprintf(page, count, "%u\n", mdt_cos_is_enabled(mdt));
}
-static int lprocfs_wr_rootsquash_gid(struct file *file, const char *buffer,
- unsigned long count, void *data)
+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);
rc = lprocfs_write_helper(buffer, count, &val);
if (rc)
return rc;
-
- if (!mdt->mdt_rootsquash_info)
- OBD_ALLOC_PTR(mdt->mdt_rootsquash_info);
- if (!mdt->mdt_rootsquash_info)
- return -ENOMEM;
-
- mdt->mdt_rootsquash_info->rsi_gid = val;
+ mdt_enable_cos(mdt, val);
return count;
}
-static int lprocfs_rd_nosquash_nids(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+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);
- struct rootsquash_info *rsi = mdt->mdt_rootsquash_info;
- int i, ret;
-
- ret = snprintf(page, count, "rootsquash skip list:\n");
- for (i = 0; rsi && (i < rsi->rsi_n_nosquash_nids); i++) {
- ret += snprintf(page + ret, count - ret, "%s\n",
- libcfs_nid2str(rsi->rsi_nosquash_nids[i]));
- }
+ ENTRY;
- *eof = 1;
- return ret;
+ return snprintf(page, count, "%u:%u\n", mdt->mdt_squash_uid,
+ mdt->mdt_squash_gid);
}
-static inline void remove_newline(char *str)
+static int safe_strtoul(const char *str, char **endp, unsigned long *res)
{
- int len = strlen(str);
-
- if (str[len - 1] == '\n')
- str[len - 1] = '\0';
-}
+ char n[24];
-/* XXX: This macro is copied from lnet/libcfs/nidstring.c */
-#define LNET_NIDSTR_SIZE 32 /* size of each one (see below for usage) */
-
-static void do_process_nosquash_nids(struct mdt_device *m, char *buf)
-{
- struct rootsquash_info *rsi = m->mdt_rootsquash_info;
- char str[LNET_NIDSTR_SIZE], *end;
- lnet_nid_t nid;
+ *res = simple_strtoul(str, endp, 0);
+ if (str == *endp)
+ return 1;
- LASSERT(rsi);
- rsi->rsi_n_nosquash_nids = 0;
- while (rsi->rsi_n_nosquash_nids < N_NOSQUASH_NIDS) {
- end = strchr(buf, ',');
- memset(str, 0, sizeof(str));
- if (end)
- strncpy(str, buf, min_t(int, sizeof(str), end - buf));
- else
- strncpy(str, buf, min_t(int, sizeof(str), strlen(buf)));
-
- if (!strcmp(str, "*")) {
- nid = LNET_NID_ANY;
- } else {
- nid = libcfs_str2nid(str);
- if (nid == LNET_NID_ANY)
- goto ignore;
- }
- rsi->rsi_nosquash_nids[rsi->rsi_n_nosquash_nids++] = nid;
-ignore:
- if (!end || (*(end + 1) == 0))
- return;
- buf = end + 1;
- }
+ sprintf(n, "%lu", *res);
+ if (strncmp(n, str, *endp - str))
+ /* overflow */
+ return 1;
+ return 0;
}
-static int lprocfs_wr_nosquash_nids(struct file *file, const char *buffer,
- unsigned long count, void *data)
+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);
- char skips[LNET_NIDSTR_SIZE * N_NOSQUASH_NIDS] = "";
- unsigned long size = sizeof(skips);
+ int rc;
+ char kernbuf[50], *tmp, *end, *errmsg;
+ unsigned long uid, gid;
+ int nouid, nogid;
+ ENTRY;
- if (count > size) {
- CERROR("parameter exceeds max limit %lu\n", size);
- return -EINVAL;
+ if (count >= sizeof(kernbuf)) {
+ errmsg = "string too long";
+ GOTO(failed, rc = -EINVAL);
}
+ if (copy_from_user(kernbuf, buffer, count)) {
+ errmsg = "bad address";
+ GOTO(failed, rc = -EFAULT);
+ }
+ kernbuf[count] = '\0';
- if (copy_from_user(skips, buffer, min(size, count)))
- return -EFAULT;
+ nouid = nogid = 0;
+ if (safe_strtoul(buffer, &tmp, &uid)) {
+ uid = mdt->mdt_squash_uid;
+ nouid = 1;
+ }
- if (!mdt->mdt_rootsquash_info)
- OBD_ALLOC_PTR(mdt->mdt_rootsquash_info);
- if (!mdt->mdt_rootsquash_info)
- return -ENOMEM;
+ /* 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;
+ }
- remove_newline(skips);
- do_process_nosquash_nids(mdt, skips);
- return count;
+ 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);
}
-/* for debug only */
-static int lprocfs_rd_capa(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+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);
- return snprintf(page, count, "capability on: %s %s\n",
- mdt->mdt_opts.mo_oss_capa ? "oss" : "",
- mdt->mdt_opts.mo_mds_capa ? "mds" : "");
+ 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_capa(struct file *file, const char *buffer,
- unsigned long count, void *data)
+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 val, rc;
+ int rc;
+ char *kernbuf, *errmsg;
+ struct list_head tmp;
+ ENTRY;
- rc = lprocfs_write_helper(buffer, count, &val);
- if (rc)
- return rc;
+ OBD_ALLOC(kernbuf, count + 1);
+ if (kernbuf == NULL) {
+ errmsg = "no memory";
+ GOTO(failed, rc = -ENOMEM);
+ }
+ if (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 (!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);
+ }
- 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;
+ CFS_INIT_LIST_HEAD(&tmp);
+ if (cfs_parse_nidlist(kernbuf, count, &tmp) <= 0) {
+ errmsg = "can't parse";
+ GOTO(failed, rc = -EINVAL);
}
- /* 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;
+ down_write(&mdt->mdt_squash_sem);
+ if (!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;
+ list_splice(&tmp, &mdt->mdt_nosquash_nids);
- 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;
-}
+ LCONSOLE_INFO("%s: nosquash_nids is set to %s\n",
+ obd->obd_name, kernbuf);
+ up_write(&mdt->mdt_squash_sem);
+ RETURN(count);
-static int lprocfs_rd_capa_count(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- return snprintf(page, count, "%d %d\n",
- capa_count[CAPA_SITE_CLIENT],
- capa_count[CAPA_SITE_SERVER]);
+ 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_site_stats(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+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);
- 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 snprintf(page, count, "%sabled\n",
+ mdt->mdt_som_conf ? "en" : "dis");
}
-static int lprocfs_rd_capa_timeout(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+#ifdef HAVE_QUOTA_SUPPORT
+static int mdt_quota_off(struct mdt_device *mdt)
{
- struct obd_device *obd = data;
- struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
+ struct md_device *next = mdt->mdt_child;
+ const struct md_quota_operations *mqo = &next->md_ops->mdo_quota;
+ struct lu_env env;
+ int rc;
- return snprintf(page, count, "%lu\n", mdt->mdt_capa_timeout);
+ lu_env_init(&env, LCT_MD_THREAD);
+ rc = mqo->mqo_off(&env, next, UGQUOTA | IMMQUOTA);
+ lu_env_fini(&env);
+ return rc;
+}
+#else
+static int mdt_quota_off(struct mdt_device *mdt)
+{
+ return 0;
}
+#endif
-static int lprocfs_wr_capa_timeout(struct file *file, const char *buffer,
- unsigned long count, void *data)
+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);
- int val, rc;
+ char kernbuf[16];
+ unsigned long val = 0;
+ int rc;
- rc = lprocfs_write_helper(buffer, count, &val);
- if (rc)
- return rc;
+ if (count > (sizeof(kernbuf) - 1))
+ return -EINVAL;
- mdt->mdt_capa_timeout = (unsigned long)val;
- mdt->mdt_capa_conf = 1;
- return count;
-}
+ if (copy_from_user(kernbuf, buffer, count))
+ return -EFAULT;
-static int lprocfs_rd_ck_timeout(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);
+ kernbuf[count] = '\0';
- return snprintf(page, count, "%lu\n", mdt->mdt_ck_timeout);
-}
+ if (!strcmp(kernbuf, "enabled"))
+ val = 1;
+ else if (strcmp(kernbuf, "disabled"))
+ return -EINVAL;
-static int lprocfs_wr_ck_timeout(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;
+ if (mdt->mdt_som_conf == val)
+ return count;
- rc = lprocfs_write_helper(buffer, count, &val);
- if (rc)
- return rc;
+ 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. */
+ 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;
+ }
+
+ if ((rc = mdt_quota_off(mdt))) {
+ if (rc == -EALREADY)
+ rc = 0;
+ else
+ return rc;
+ }
+
+ mdt->mdt_som_conf = val;
+ LCONSOLE_INFO("Enabling SOM\n");
- mdt->mdt_ck_timeout = (unsigned long)val;
- mdt->mdt_capa_conf = 1;
return count;
}
-static int lprocfs_mdt_wr_evict_client(struct file *file, const char *buffer,
- unsigned long count, void *data)
+/* 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 tmpbuf[sizeof(struct obd_uuid)];
sscanf(buffer, "%40s", tmpbuf);
- if (strncmp(tmpbuf, "nid:", 4) != 0)
- return lprocfs_wr_evict_client(file, buffer, count, data);
-
- CERROR("NOT implement evict client by nid %s\n", tmpbuf);
+ 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);
+ }
return count;
}
lprocfs_wr_identity_upcall, 0 },
{ "identity_flush", 0, lprocfs_wr_identity_flush, 0 },
{ "identity_info", 0, lprocfs_wr_identity_info, 0 },
- { "rmtacl_expire", lprocfs_rd_rmtacl_expire,
- lprocfs_wr_rmtacl_expire, 0 },
- { "rmtacl_acquire_expire", lprocfs_rd_rmtacl_acquire_expire,
- lprocfs_wr_rmtacl_acquire_expire, 0 },
- { "rmtacl_upcall", lprocfs_rd_rmtacl_upcall,
- lprocfs_wr_rmtacl_upcall, 0 },
- { "rmtacl_info", 0, lprocfs_wr_rmtacl_info, 0 },
- { "rootsquash_uid", lprocfs_rd_rootsquash_uid,
- lprocfs_wr_rootsquash_uid, 0 },
- { "rootsquash_gid", lprocfs_rd_rootsquash_gid,
- lprocfs_wr_rootsquash_gid, 0 },
- { "nosquash_nids", lprocfs_rd_nosquash_nids,
- lprocfs_wr_nosquash_nids, 0 },
{ "capa", lprocfs_rd_capa,
lprocfs_wr_capa, 0 },
{ "capa_timeout", lprocfs_rd_capa_timeout,
{ "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 },
+ { "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 },
{ 0 }
};
git://git.whamcloud.com / fs / lustre-release.git / blobdiff