X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Fmgs%2Flproc_mgs.c;h=2e4adf42da6d77ac56dd1759b4e9fec3200eca2e;hp=2453dc34009212608149469ba9027619a188ef76;hb=907a321c9b9e2cd5f5ccf488cc516ba05dee0ad8;hpb=2358e27bc14683129a4c9f69f880c20d2e65db34 diff --git a/lustre/mgs/lproc_mgs.c b/lustre/mgs/lproc_mgs.c index 2453dc3..2e4adf4 100644 --- a/lustre/mgs/lproc_mgs.c +++ b/lustre/mgs/lproc_mgs.c @@ -1,153 +1,334 @@ -/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*- - * vim:expandtab:shiftwidth=8:tabstop=8: +/* + * GPL HEADER START * - * Copyright (C) 2002 Cluster File Systems, Inc. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * - * This file is part of the Lustre file system, http://www.lustre.org - * Lustre is a trademark of Cluster File Systems, Inc. + * 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. * - * 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 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). * - * 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. + * 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 * - * 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. + * 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 (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. + * Use is subject to license terms. + * + * Copyright (c) 2011, 2014, Intel Corporation. + */ +/* + * This file is part of Lustre, http://www.lustre.org/ + * Lustre is a trademark of Sun Microsystems, Inc. */ #define DEBUG_SUBSYSTEM S_CLASS #include -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)) #include -#endif #include #include #include +#include #include "mgs_internal.h" +#ifdef CONFIG_PROC_FS -#ifdef LPROCFS - -static int lprocfs_mgs_rd_mntdev(char *page, char **start, off_t off, int count, - int *eof, void *data) +static int mgs_fs_seq_show(struct seq_file *seq, void *v) { - struct obd_device* obd = (struct obd_device *)data; + struct obd_device *obd = seq->private; + struct mgs_device *mgs; + struct list_head list; + struct mgs_direntry *dirent, *n; + struct lu_env env; + int rc, len; - LASSERT(obd != NULL); - LASSERT(obd->u.mgs.mgs_vfsmnt->mnt_devname); - *eof = 1; + ENTRY; - return snprintf(page, count, "%s\n",obd->u.mgs.mgs_vfsmnt->mnt_devname); -} + LASSERT(obd != NULL); + LASSERT(obd->obd_lu_dev != NULL); + mgs = lu2mgs_dev(obd->obd_lu_dev); -static int mgs_fs_seq_show(struct seq_file *seq, void *v) -{ - struct obd_device *obd = seq->private; - struct mgs_obd *mgs = &obd->u.mgs; - struct list_head dentry_list; - struct l_linux_dirent *dirent, *n; - int rc, len; - ENTRY; - - LASSERT(obd != NULL); - rc = class_dentry_readdir(obd, mgs->mgs_configs_dir, - mgs->mgs_vfsmnt, &dentry_list); - if (rc) { - CERROR("Can't read config dir\n"); - RETURN(rc); - } - list_for_each_entry_safe(dirent, n, &dentry_list, lld_list) { - list_del(&dirent->lld_list); - len = strlen(dirent->lld_name); - if ((len > 7) && (strncmp(dirent->lld_name + len - 7, "-client", - len) == 0)) { - seq_printf(seq, "%.*s\n", len - 7, dirent->lld_name); - } - OBD_FREE(dirent, sizeof(*dirent)); - } + rc = lu_env_init(&env, LCT_MG_THREAD); + if (rc) + RETURN(rc); + + rc = class_dentry_readdir(&env, mgs, &list); + if (rc) + GOTO(out, rc); + + list_for_each_entry_safe(dirent, n, &list, mde_list) { + list_del_init(&dirent->mde_list); + len = strlen(dirent->mde_name); + if (len > 7 && + strncmp(dirent->mde_name + len - 7, "-client", len) == 0) + seq_printf(seq, "%.*s\n", len - 7, dirent->mde_name); + mgs_direntry_free(dirent); + } - RETURN(0); +out: + lu_env_fini(&env); + RETURN(0); } LPROC_SEQ_FOPS_RO(mgs_fs); -int lproc_mgs_setup(struct obd_device *obd) +static void seq_show_srpc_rules(struct seq_file *seq, const char *tgtname, + struct sptlrpc_rule_set *rset) { - struct mgs_obd *mgs = &obd->u.mgs; - int rc; + struct sptlrpc_rule *r; + char dirbuf[10]; + char flvrbuf[40]; + char net[LNET_NIDSTR_SIZE] = "default"; + int i; - rc = lprocfs_obd_seq_create(obd, "filesystems", 0444, - &mgs_fs_fops, obd); - mgs->mgs_proc_live = proc_mkdir("live", obd->obd_proc_entry); + for (i = 0; i < rset->srs_nrule; i++) { + r = &rset->srs_rules[i]; + + if (r->sr_netid != LNET_NIDNET(LNET_NID_ANY)) + libcfs_net2str_r(r->sr_netid, net, sizeof(net)); + + if (r->sr_from == LUSTRE_SP_ANY && r->sr_to == LUSTRE_SP_ANY) + dirbuf[0] = '\0'; + else + snprintf(dirbuf, sizeof(dirbuf), ".%s2%s", + sptlrpc_part2name(r->sr_from), + sptlrpc_part2name(r->sr_to)); - return rc; + sptlrpc_flavor2name(&r->sr_flvr, flvrbuf, sizeof(flvrbuf)); + seq_printf(seq, "%s.srpc.flavor.%s%s=%s\n", tgtname, + net, dirbuf, flvrbuf); + } } -static int mgs_live_seq_show(struct seq_file *seq, void *v) +static int mgsself_srpc_seq_show(struct seq_file *seq, void *v) { - struct fs_db *fsdb = seq->private; - int i; - - down(&fsdb->fsdb_sem); - - seq_printf(seq, "fsname: %s\n", fsdb->fsdb_name); - seq_printf(seq, "flags: %#x gen: %d\n", - fsdb->fsdb_flags, fsdb->fsdb_gen); - for (i = 0; i < INDEX_MAP_SIZE * 8; i++) - if (test_bit(i, fsdb->fsdb_mdt_index_map)) - seq_printf(seq, "%s-MDT%04x\n", fsdb->fsdb_name, i); - for (i = 0; i < INDEX_MAP_SIZE * 8; i++) - if (test_bit(i, fsdb->fsdb_ost_index_map)) - seq_printf(seq, "%s-OST%04x\n", fsdb->fsdb_name, i); - - up(&fsdb->fsdb_sem); + struct obd_device *obd = seq->private; + struct mgs_device *mgs = lu2mgs_dev(obd->obd_lu_dev); + struct lu_target *tgt = &mgs->mgs_lut; + + read_lock(&tgt->lut_sptlrpc_lock); + seq_show_srpc_rules(seq, MGSSELF_NAME, &tgt->lut_sptlrpc_rset); + read_unlock(&tgt->lut_sptlrpc_lock); + return 0; } +LPROC_SEQ_FOPS_RO(mgsself_srpc); + +static int mgs_live_seq_show(struct seq_file *seq, void *v) +{ + struct fs_db *fsdb = seq->private; + struct mgs_tgt_srpc_conf *srpc_tgt; + int i; + + mutex_lock(&fsdb->fsdb_mutex); + + seq_printf(seq, "fsname: %s\n", fsdb->fsdb_name); + seq_printf(seq, "flags: %#lx gen: %d\n", + fsdb->fsdb_flags, fsdb->fsdb_gen); + for (i = 0; i < INDEX_MAP_SIZE * 8; i++) + if (test_bit(i, fsdb->fsdb_mdt_index_map)) + seq_printf(seq, "%s-MDT%04x\n", fsdb->fsdb_name, i); + for (i = 0; i < INDEX_MAP_SIZE * 8; i++) + if (test_bit(i, fsdb->fsdb_ost_index_map)) + seq_printf(seq, "%s-OST%04x\n", fsdb->fsdb_name, i); + + seq_printf(seq, "\nSecure RPC Config Rules:\n"); +#if 0 + seq_printf(seq, "%s.%s=%s\n", fsdb->fsdb_name, + PARAM_SRPC_UDESC, fsdb->fsdb_srpc_fl_udesc ? "yes" : "no"); +#endif + for (srpc_tgt = fsdb->fsdb_srpc_tgt; srpc_tgt; + srpc_tgt = srpc_tgt->mtsc_next) { + seq_show_srpc_rules(seq, srpc_tgt->mtsc_tgt, + &srpc_tgt->mtsc_rset); + } + seq_show_srpc_rules(seq, fsdb->fsdb_name, &fsdb->fsdb_srpc_gen); + + lprocfs_rd_ir_state(seq, fsdb); + + mutex_unlock(&fsdb->fsdb_mutex); + return 0; +} -LPROC_SEQ_FOPS_RO(mgs_live); +static ssize_t mgs_live_seq_write(struct file *file, const char *buf, + size_t len, loff_t *off) +{ + struct seq_file *seq = file->private_data; + struct fs_db *fsdb = seq->private; + ssize_t rc; + + rc = lprocfs_wr_ir_state(file, buf, len, fsdb); + if (rc >= 0) + rc = len; + return rc; +} +LPROC_SEQ_FOPS(mgs_live); -int lproc_mgs_add_live(struct obd_device *obd, struct fs_db *fsdb) +int lproc_mgs_add_live(struct mgs_device *mgs, struct fs_db *fsdb) { - struct mgs_obd *mgs = &obd->u.mgs; - int rc; + int rc; - if (!mgs->mgs_proc_live) - return 0; - rc = lprocfs_seq_create(mgs->mgs_proc_live, fsdb->fsdb_name, 0444, - &mgs_live_fops, fsdb); + if (!mgs->mgs_proc_live) + return 0; + rc = lprocfs_seq_create(mgs->mgs_proc_live, fsdb->fsdb_name, 0644, + &mgs_live_fops, fsdb); - return 0; + return 0; } -int lproc_mgs_del_live(struct obd_device *obd, struct fs_db *fsdb) +int lproc_mgs_del_live(struct mgs_device *mgs, struct fs_db *fsdb) { - struct mgs_obd *mgs = &obd->u.mgs; + if (!mgs->mgs_proc_live) + return 0; - if (!mgs->mgs_proc_live) - return 0; - remove_proc_entry(fsdb->fsdb_name, mgs->mgs_proc_live); - return 0; + /* didn't create the proc file for MGSSELF_NAME */ + if (!test_bit(FSDB_MGS_SELF, &fsdb->fsdb_flags)) + lprocfs_remove_proc_entry(fsdb->fsdb_name, mgs->mgs_proc_live); + return 0; } -struct lprocfs_vars lprocfs_mgs_obd_vars[] = { - { "uuid", lprocfs_rd_uuid, 0, 0 }, - { "fstype", lprocfs_rd_fstype, 0, 0 }, - { "mntdev", lprocfs_mgs_rd_mntdev, 0, 0 }, - { "num_exports", lprocfs_rd_num_exports, 0, 0 }, - { 0 } -}; +LPROC_SEQ_FOPS_RO_TYPE(mgs, uuid); +LPROC_SEQ_FOPS_RO_TYPE(mgs, num_exports); +LPROC_SEQ_FOPS_RO_TYPE(mgs, hash); +LPROC_SEQ_FOPS_WO_TYPE(mgs, evict_client); +LPROC_SEQ_FOPS_RW_TYPE(mgs, ir_timeout); -struct lprocfs_vars lprocfs_mgs_module_vars[] = { - { 0 } +static struct lprocfs_vars lprocfs_mgs_obd_vars[] = { + { .name = "uuid", + .fops = &mgs_uuid_fops }, + { .name = "num_exports", + .fops = &mgs_num_exports_fops }, + { .name = "hash_stats", + .fops = &mgs_hash_fops }, + { .name = "evict_client", + .fops = &mgs_evict_client_fops }, + { .name = "ir_timeout", + .fops = &mgs_ir_timeout_fops }, + { NULL } }; -LPROCFS_INIT_VARS(mgs, lprocfs_mgs_module_vars, lprocfs_mgs_obd_vars); +int lproc_mgs_setup(struct mgs_device *mgs, const char *osd_name) +{ + struct obd_device *obd = mgs->mgs_obd; + struct obd_device *osd_obd = mgs->mgs_bottom->dd_lu_dev.ld_obd; + int osd_len = strlen(osd_name) - strlen("-osd"); + int rc; + + obd->obd_vars = lprocfs_mgs_obd_vars; + rc = lprocfs_obd_setup(obd); + if (rc != 0) + GOTO(out, rc); + + rc = lprocfs_obd_seq_create(obd, "filesystems", 0444, + &mgs_fs_fops, obd); + if (rc != 0) + GOTO(out, rc); + + rc = lprocfs_obd_seq_create(obd, "srpc_rules", 0400, + &mgsself_srpc_fops, obd); + if (rc != 0) + GOTO(out, rc); + + mgs->mgs_proc_live = lprocfs_register("live", obd->obd_proc_entry, + NULL, NULL); + if (IS_ERR(mgs->mgs_proc_live)) { + rc = PTR_ERR(mgs->mgs_proc_live); + mgs->mgs_proc_live = NULL; + GOTO(out, rc); + } + + obd->obd_proc_exports_entry = lprocfs_register("exports", + obd->obd_proc_entry, + NULL, NULL); + if (IS_ERR(obd->obd_proc_exports_entry)) { + rc = PTR_ERR(obd->obd_proc_exports_entry); + obd->obd_proc_exports_entry = NULL; + GOTO(out, rc); + } + + mgs->mgs_proc_osd = lprocfs_add_symlink("osd", + obd->obd_proc_entry, + "../../%s/%.*s", + osd_obd->obd_type->typ_name, + osd_len, /* Strip "-osd". */ + osd_name); + if (mgs->mgs_proc_osd == NULL) + GOTO(out, rc = -ENOMEM); + + mgs->mgs_proc_mntdev = lprocfs_add_symlink("mntdev", + obd->obd_proc_entry, + "osd/mntdev"); + if (mgs->mgs_proc_mntdev == NULL) + GOTO(out, rc = -ENOMEM); + + mgs->mgs_proc_fstype = lprocfs_add_symlink("fstype", + obd->obd_proc_entry, + "osd/fstype"); + if (mgs->mgs_proc_fstype == NULL) + GOTO(out, rc = -ENOMEM); + +out: + if (rc != 0) + lproc_mgs_cleanup(mgs); + + return rc; +} + +void lproc_mgs_cleanup(struct mgs_device *mgs) +{ + struct obd_device *obd = mgs->mgs_obd; + + if (obd == NULL) + return; + + if (mgs->mgs_proc_osd != NULL) + lprocfs_remove(&mgs->mgs_proc_osd); + + if (mgs->mgs_proc_fstype != NULL) + lprocfs_remove(&mgs->mgs_proc_fstype); + + if (mgs->mgs_proc_mntdev != NULL) + lprocfs_remove(&mgs->mgs_proc_mntdev); + + if (mgs->mgs_proc_live != NULL) { + /* Should be no live entries */ + lprocfs_remove(&mgs->mgs_proc_live); + mgs->mgs_proc_live = NULL; + } + + lprocfs_free_per_client_stats(obd); + lprocfs_obd_cleanup(obd); + lprocfs_free_obd_stats(obd); + lprocfs_free_md_stats(obd); +} + +void mgs_counter_incr(struct obd_export *exp, int opcode) +{ + lprocfs_counter_incr(exp->exp_obd->obd_stats, opcode); + if (exp->exp_nid_stats && exp->exp_nid_stats->nid_stats != NULL) + lprocfs_counter_incr(exp->exp_nid_stats->nid_stats, opcode); +} + +void mgs_stats_counter_init(struct lprocfs_stats *stats) +{ + lprocfs_counter_init(stats, LPROC_MGS_CONNECT, 0, "connect", "reqs"); + lprocfs_counter_init(stats, LPROC_MGS_DISCONNECT, 0, "disconnect", + "reqs"); + lprocfs_counter_init(stats, LPROC_MGS_EXCEPTION, 0, "exception", + "reqs"); + lprocfs_counter_init(stats, LPROC_MGS_TARGET_REG, 0, "tgtreg", "reqs"); + lprocfs_counter_init(stats, LPROC_MGS_TARGET_DEL, 0, "tgtdel", "reqs"); +} #endif