X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Fmds%2Flproc_mds.c;h=5504ea1105b304e4ff589b2a5a62feea27a4dc1e;hp=289b9ad024c46d85404acd8eac167a5fc3974870;hb=2deb4f149f4601f9128fd39efd4705573520f277;hpb=fbb7ead129258897f5a5d5c9ce28d31fbbe5bca2 diff --git a/lustre/mds/lproc_mds.c b/lustre/mds/lproc_mds.c index 289b9ad..5504ea1 100644 --- a/lustre/mds/lproc_mds.c +++ b/lustre/mds/lproc_mds.c @@ -1,46 +1,50 @@ /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*- * vim:expandtab:shiftwidth=8:tabstop=8: * - * Copyright (C) 2002 Cluster File Systems, Inc. + * GPL HEADER START * - * This file is part of Lustre, http://www.lustre.org. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * - * Lustre is free 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 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. * - * 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 - * GNU General Public License for more details. + * 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). * - * You should have received a copy of the GNU General Public License - * along with Lustre; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * 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. */ #define DEBUG_SUBSYSTEM S_CLASS #include -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)) #include -#endif -#include -#include -#include +#include +#include +#include #include "mds_internal.h" -#ifndef LPROCFS - -struct lprocfs_vars lprocfs_mds_obd_vars[] = { {0} }; -struct lprocfs_vars lprocfs_mds_module_vars[] = { {0} }; -struct lprocfs_vars lprocfs_mdt_obd_vars[] = { {0} }; -struct lprocfs_vars lprocfs_mdt_module_vars[] = { {0} }; - -#else - -static int lprocfs_mds_rd_mntdev(char *page, char **start, off_t off, - int count, int *eof, void *data) +#ifdef LPROCFS +static int lprocfs_mds_rd_mntdev(char *page, char **start, off_t off, int count, + int *eof, void *data) { struct obd_device* obd = (struct obd_device *)data; @@ -48,262 +52,140 @@ static int lprocfs_mds_rd_mntdev(char *page, char **start, off_t off, LASSERT(obd->u.mds.mds_vfsmnt->mnt_devname); *eof = 1; - return snprintf(page, count, "%s\n", - obd->u.mds.mds_vfsmnt->mnt_devname); + return snprintf(page, count, "%s\n",obd->u.mds.mds_vfsmnt->mnt_devname); } -static int lprocfs_mds_wr_evict_client(struct file *file, const char *buffer, - unsigned long count, void *data) +static int lprocfs_mds_rd_evictostnids(char *page, char **start, off_t off, + int count, int *eof, void *data) { - struct obd_device *obd = data; - struct obd_export *doomed_exp = NULL; - struct obd_uuid doomed; - struct list_head *p; - char tmpbuf[sizeof(doomed)]; + struct obd_device* obd = (struct obd_device *)data; - sscanf(buffer, "%40s", tmpbuf); - obd_str2uuid(&doomed, tmpbuf); - - spin_lock(&obd->obd_dev_lock); - list_for_each(p, &obd->obd_exports) { - doomed_exp = list_entry(p, struct obd_export, exp_obd_chain); - if (obd_uuid_equals(&doomed, &doomed_exp->exp_client_uuid)) { - class_export_get(doomed_exp); - break; - } - doomed_exp = NULL; - } - spin_unlock(&obd->obd_dev_lock); - - if (doomed_exp == NULL) { - CERROR("can't disconnect %s: no export found\n", - doomed.uuid); - } else { - CERROR("evicting %s at adminstrative request\n", - doomed.uuid); - ptlrpc_fail_export(doomed_exp); - class_export_put(doomed_exp); - } - return count; + LASSERT(obd != NULL); + + return snprintf(page, count, "%d\n", obd->u.mds.mds_evict_ost_nids); } -static int lprocfs_mds_wr_config_update(struct file *file, const char *buffer, - unsigned long count, void *data) +static int lprocfs_mds_wr_evictostnids(struct file *file, const char *buffer, + unsigned long count, void *data) { struct obd_device *obd = data; - ENTRY; + int val, rc; - RETURN(mds_dt_update_config(obd, 0)); -} + rc = lprocfs_write_helper(buffer, count, &val); + if (rc) + return rc; -static int lprocfs_rd_filesopen(char *page, char **start, off_t off, - int count, int *eof, void *data) -{ - struct obd_device *obd = data; - LASSERT(obd != NULL); - *eof = 1; + obd->u.mds.mds_evict_ost_nids = !!val; - return snprintf(page, count, "%d\n", - atomic_read(&obd->u.mds.mds_open_count)); + return count; } -static int lprocfs_rd_last_fid(char *page, char **start, off_t off, - int count, int *eof, void *data) +static int lprocfs_mds_wr_evict_client(struct file *file, const char *buffer, + unsigned long count, void *data) { - struct obd_device *obd = (struct obd_device *)data; + struct obd_device *obd = data; struct mds_obd *mds = &obd->u.mds; - __u64 last_fid; + char tmpbuf[sizeof(struct obd_uuid)]; + struct ptlrpc_request_set *set; + int rc; - spin_lock(&mds->mds_last_fid_lock); - last_fid = mds->mds_last_fid; - spin_unlock(&mds->mds_last_fid_lock); + sscanf(buffer, "%40s", tmpbuf); - *eof = 1; - return snprintf(page, count, LPD64"\n", last_fid); -} + if (strncmp(tmpbuf, "nid:", 4) != 0) + return lprocfs_wr_evict_client(file, buffer, count, data); -static int lprocfs_rd_group(char *page, char **start, off_t off, - int count, int *eof, void *data) -{ - struct obd_device *obd = (struct obd_device *)data; - struct mds_obd *mds = &obd->u.mds; + set = ptlrpc_prep_set(); + if (!set) + return -ENOMEM; - *eof = 1; - return snprintf(page, count, "%lu\n", - (unsigned long)mds->mds_num); -} + if (obd->u.mds.mds_evict_ost_nids) { + rc = obd_set_info_async(mds->mds_lov_exp, + sizeof(KEY_EVICT_BY_NID), + KEY_EVICT_BY_NID, strlen(tmpbuf + 4) + 1, + tmpbuf + 4, set); + if (rc) + CERROR("Failed to evict nid %s from OSTs: rc %d\n", + tmpbuf + 4, rc); -struct lprocfs_vars lprocfs_mds_obd_vars[] = { - { "uuid", lprocfs_rd_uuid, 0, 0 }, - { "blocksize", lprocfs_rd_blksize, 0, 0 }, - { "kbytestotal", lprocfs_rd_kbytestotal, 0, 0 }, - { "kbytesfree", lprocfs_rd_kbytesfree, 0, 0 }, - { "kbytesavail", lprocfs_rd_kbytesavail, 0, 0 }, - { "fstype", lprocfs_rd_fstype, 0, 0 }, - { "filestotal", lprocfs_rd_filestotal, 0, 0 }, - { "filesfree", lprocfs_rd_filesfree, 0, 0 }, - { "filesopen", lprocfs_rd_filesopen, 0, 0 }, - { "mntdev", lprocfs_mds_rd_mntdev, 0, 0 }, - { "last_fid", lprocfs_rd_last_fid, 0, 0 }, - { "group", lprocfs_rd_group, 0, 0 }, - { "recovery_status", lprocfs_obd_rd_recovery_status, 0, 0 }, - { "evict_client", 0, lprocfs_mds_wr_evict_client, 0 }, - { "config_update", 0, lprocfs_mds_wr_config_update, 0 }, - { "num_exports", lprocfs_rd_num_exports, 0, 0 }, - { 0 } -}; - -/* - * LSD proc entry handlers - */ -static int lprocfs_wr_lsd_downcall(struct file *file, const char *buffer, - unsigned long count, void *data) -{ - struct upcall_cache *cache = __mds_get_global_lsd_cache(); - struct lsd_downcall_args param; - gid_t gids_local[NGROUPS_SMALL]; - gid_t *gids = NULL; - - if (count != sizeof(param)) { - CERROR("invalid data size %lu\n", count); - return count; - } - if (copy_from_user(¶m, buffer, count)) { - CERROR("broken downcall\n"); - return count; + ptlrpc_check_set(NULL, set); } - if (param.err) { - CERROR("LSD downcall indicate error %d\n", param.err); - goto do_downcall; - } + /* See the comments in function lprocfs_wr_evict_client() + * in ptlrpc/lproc_ptlrpc.c for details. - jay */ + class_incref(obd, __FUNCTION__, cfs_current()); + LPROCFS_EXIT(); - if (param.ngroups > NGROUPS_MAX) { - CERROR("%d groups?\n", param.ngroups); - param.err = -EINVAL; - goto do_downcall; - } + obd_export_evict_by_nid(obd, tmpbuf+4); - if (param.ngroups <= NGROUPS_SMALL) - gids = gids_local; - else { - OBD_ALLOC(gids, param.ngroups * sizeof(gid_t)); - if (!gids) { - CERROR("fail to alloc memory for %d gids\n", - param.ngroups); - param.err = -ENOMEM; - goto do_downcall; - } - } - if (copy_from_user(gids, param.groups, - param.ngroups * sizeof(gid_t))) { - CERROR("broken downcall\n"); - param.err = -EFAULT; - goto do_downcall; - } - param.groups = gids; + rc = ptlrpc_set_wait(set); + if (rc) + CERROR("Failed to evict nid %s from OSTs: rc %d\n", tmpbuf + 4, + rc); -do_downcall: - upcall_cache_downcall(cache, (__u64) param.uid, param.err, ¶m); + LPROCFS_ENTRY(); + class_decref(obd, __FUNCTION__, cfs_current()); - if (gids && gids != gids_local) - OBD_FREE(gids, param.ngroups * sizeof(gid_t)); + ptlrpc_set_destroy(set); return count; } -static int lprocfs_rd_lsd_expire(char *page, char **start, off_t off, int count, - int *eof, void *data) -{ - struct upcall_cache *cache= __mds_get_global_lsd_cache(); - - *eof = 1; - return snprintf(page, count, "%lu\n", cache->uc_entry_expire); -} -static int lprocfs_wr_lsd_expire(struct file *file, const char *buffer, +static int lprocfs_wr_atime_diff(struct file *file, const char *buffer, unsigned long count, void *data) { - struct upcall_cache *cache= __mds_get_global_lsd_cache(); - char buf[32]; + struct obd_device *obd = data; + struct mds_obd *mds = &obd->u.mds; + char kernbuf[20], *end; + unsigned long diff = 0; - if (copy_from_user(buf, buffer, min(count, 32UL))) - return count; - buf[31] = 0; - sscanf(buf, "%lu", &cache->uc_entry_expire); - return count; -} + if (count > (sizeof(kernbuf) - 1)) + return -EINVAL; -static int lprocfs_rd_lsd_ac_expire(char *page, char **start, off_t off, - int count, int *eof, void *data) -{ - struct upcall_cache *cache= __mds_get_global_lsd_cache(); + if (cfs_copy_from_user(kernbuf, buffer, count)) + return -EFAULT; - *eof = 1; - return snprintf(page, count, "%lu\n", cache->uc_acquire_expire); -} -static int lprocfs_wr_lsd_ac_expire(struct file *file, const char *buffer, - unsigned long count, void *data) -{ - struct upcall_cache *cache= __mds_get_global_lsd_cache(); - char buf[32]; + kernbuf[count] = '\0'; + + diff = simple_strtoul(kernbuf, &end, 0); + if (kernbuf == end) + return -EINVAL; - if (copy_from_user(buf, buffer, min(count, 32UL))) - return count; - buf[31] = 0; - sscanf(buf, "%lu", &cache->uc_acquire_expire); + mds->mds_atime_diff = diff; return count; } -static int lprocfs_rd_lsd_upcall(char *page, char **start, off_t off, int count, - int *eof, void *data) +static int lprocfs_rd_atime_diff(char *page, char **start, off_t off, + int count, int *eof, void *data) { - struct upcall_cache *cache= __mds_get_global_lsd_cache(); + struct obd_device *obd = data; + struct mds_obd *mds = &obd->u.mds; *eof = 1; - return snprintf(page, count, "%s\n", cache->uc_upcall); + return snprintf(page, count, "%lu\n", mds->mds_atime_diff); } -static int lprocfs_wr_lsd_upcall(struct file *file, const char *buffer, - unsigned long count, void *data) -{ - struct upcall_cache *cache= __mds_get_global_lsd_cache(); - if (count < UC_CACHE_UPCALL_MAXPATH) { - sscanf(buffer, "%1024s", cache->uc_upcall); - cache->uc_upcall[UC_CACHE_UPCALL_MAXPATH - 1] = 0; - } - return count; -} - -extern void lgss_svc_cache_flush(__u32 uid); -static int lprocfs_wr_lsd_flush(struct file *file, const char *buffer, - unsigned long count, void *data) -{ - char buf[32]; - __u32 uid; - - if (copy_from_user(buf, buffer, min(count, 32UL))) - return count; - buf[31] = 0; - sscanf(buf, "%d", &uid); - - mds_flush_lsd(uid); -#ifdef ENABLE_GSS - lgss_svc_cache_flush(uid); -#endif - return count; -} +struct lprocfs_vars lprocfs_mds_obd_vars[] = { + { "uuid", lprocfs_rd_uuid, 0, 0 }, + { "blocksize", lprocfs_rd_blksize, 0, 0 }, + { "kbytestotal", lprocfs_rd_kbytestotal, 0, 0 }, + { "kbytesfree", lprocfs_rd_kbytesfree, 0, 0 }, + { "kbytesavail", lprocfs_rd_kbytesavail, 0, 0 }, + { "filestotal", lprocfs_rd_filestotal, 0, 0 }, + { "filesfree", lprocfs_rd_filesfree, 0, 0 }, + { "fstype", lprocfs_rd_fstype, 0, 0 }, + { "mntdev", lprocfs_mds_rd_mntdev, 0, 0 }, + { "recovery_status", lprocfs_obd_rd_recovery_status, 0, 0 }, + { "hash_stats", lprocfs_obd_rd_hash, 0, 0 }, + { "evict_client", 0, lprocfs_mds_wr_evict_client, 0 }, + { "evict_ost_nids", lprocfs_mds_rd_evictostnids, + lprocfs_mds_wr_evictostnids, 0 }, + { "num_exports", lprocfs_rd_num_exports, 0, 0 }, + { "atime_diff", lprocfs_rd_atime_diff, lprocfs_wr_atime_diff, 0 }, + { 0 } +}; struct lprocfs_vars lprocfs_mds_module_vars[] = { - { "num_refs", lprocfs_rd_numrefs, 0, 0 }, - /* LSD stuff */ - { "lsd_expire_interval", lprocfs_rd_lsd_expire, - lprocfs_wr_lsd_expire, 0}, - { "lsd_acquire_expire", lprocfs_rd_lsd_ac_expire, - lprocfs_wr_lsd_ac_expire, 0}, - { "lsd_upcall", lprocfs_rd_lsd_upcall, - lprocfs_wr_lsd_upcall, 0}, - { "lsd_flush", 0, lprocfs_wr_lsd_flush, 0}, - { "lsd_downcall", 0, lprocfs_wr_lsd_downcall, 0}, + { "num_refs", lprocfs_rd_numrefs, 0, 0 }, { 0 } }; @@ -316,13 +198,39 @@ struct lprocfs_vars lprocfs_mdt_module_vars[] = { { "num_refs", lprocfs_rd_numrefs, 0, 0 }, { 0 } }; -#endif /* LPROCFS */ -struct lprocfs_static_vars lprocfs_array_vars[] = { {lprocfs_mds_module_vars, - lprocfs_mds_obd_vars}, - {lprocfs_mdt_module_vars, - lprocfs_mdt_obd_vars}}; +void mds_counter_incr(struct obd_export *exp, int opcode) +{ + if (exp->exp_obd && exp->exp_obd->obd_stats) + 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 mds_stats_counter_init(struct lprocfs_stats *stats) +{ + lprocfs_counter_init(stats, LPROC_MDS_OPEN, 0, "open", "reqs"); + lprocfs_counter_init(stats, LPROC_MDS_CLOSE, 0, "close", "reqs"); + lprocfs_counter_init(stats, LPROC_MDS_MKNOD, 0, "mknod", "reqs"); + lprocfs_counter_init(stats, LPROC_MDS_LINK, 0, "link", "reqs"); + lprocfs_counter_init(stats, LPROC_MDS_UNLINK, 0, "unlink", "reqs"); + lprocfs_counter_init(stats, LPROC_MDS_MKDIR, 0, "mkdir", "reqs"); + lprocfs_counter_init(stats, LPROC_MDS_RMDIR, 0, "rmdir", "reqs"); + lprocfs_counter_init(stats, LPROC_MDS_RENAME, 0, "rename", "reqs"); + lprocfs_counter_init(stats, LPROC_MDS_GETXATTR, 0, "getxattr", "reqs"); + lprocfs_counter_init(stats, LPROC_MDS_SETXATTR, 0, "setxattr", "reqs"); +} -LPROCFS_INIT_MULTI_VARS(lprocfs_array_vars, - (sizeof(lprocfs_array_vars) / - sizeof(struct lprocfs_static_vars))) +void lprocfs_mds_init_vars(struct lprocfs_static_vars *lvars) +{ + lvars->module_vars = lprocfs_mds_module_vars; + lvars->obd_vars = lprocfs_mds_obd_vars; +} + +void lprocfs_mdt_init_vars(struct lprocfs_static_vars *lvars) +{ + lvars->module_vars = lprocfs_mdt_module_vars; + lvars->obd_vars = lprocfs_mdt_obd_vars; +} +#endif