X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Fmds%2Flproc_mds.c;h=f273d0e2dcd8bd353e2235fcd0d061a1a194e14b;hb=d2d56f38da01001c92a09afc6b52b5acbd9bc13c;hp=f658434891547fbb21d246e1ad15d6d10f6edd99;hpb=0fbdddacf4c105ed10196a672fd51255c176f5ee;p=fs%2Flustre-release.git diff --git a/lustre/mds/lproc_mds.c b/lustre/mds/lproc_mds.c index f658434..f273d0e 100644 --- a/lustre/mds/lproc_mds.c +++ b/lustre/mds/lproc_mds.c @@ -3,20 +3,23 @@ * * Copyright (C) 2002 Cluster File Systems, Inc. * - * This file is part of Lustre, http://www.lustre.org. + * This file is part of the Lustre file system, http://www.lustre.org + * Lustre is a trademark of Cluster File Systems, Inc. * - * 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. + * 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. * - * 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. + * 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 - * along with Lustre; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * 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. * */ #define DEBUG_SUBSYSTEM S_CLASS @@ -25,22 +28,14 @@ #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; @@ -48,263 +43,280 @@ 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) { struct obd_device *obd = data; - struct obd_export *doomed_exp = NULL; - struct obd_uuid doomed; - struct list_head *p; - char tmpbuf[sizeof(doomed)]; + struct mds_obd *mds = &obd->u.mds; + char tmpbuf[sizeof(struct obd_uuid)]; + struct ptlrpc_request_set *set; + int rc; 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); - } + + if (strncmp(tmpbuf, "nid:", 4) != 0) + return lprocfs_wr_evict_client(file, buffer, count, data); + + set = ptlrpc_prep_set(); + if (!set) + return -ENOMEM; + + rc = obd_set_info_async(mds->mds_osc_exp, strlen("evict_by_nid"), + "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); + + ptlrpc_check_set(set); + + /* See the comments in function lprocfs_wr_evict_client() + * in ptlrpc/lproc_ptlrpc.c for details. - jay */ + class_incref(obd); + LPROCFS_EXIT(); + + obd_export_evict_by_nid(obd, tmpbuf+4); + + LPROCFS_ENTRY(); + class_decref(obd); + + rc = ptlrpc_set_wait(set); + if (rc) + CERROR("Failed to evict nid %s from OSTs: rc %d\n", tmpbuf + 4, + rc); + ptlrpc_set_destroy(set); return count; } -static int lprocfs_mds_wr_config_update(struct file *file, const char *buffer, - unsigned long count, void *data) +#if 0 +static int lprocfs_wr_group_info(struct file *file, const char *buffer, + unsigned long count, void *data) { struct obd_device *obd = data; - ENTRY; + struct mds_obd *mds = &obd->u.mds; + struct mds_grp_downcall_data sparam, *param = &sparam; + int size = 0, rc = count; - RETURN(mds_dt_update_config(obd, 0)); -} + if (count < sizeof(param)) { + CERROR("%s: invalid data size %lu\n", obd->obd_name, count); + return count; + } -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; + if (copy_from_user(param, buffer, sizeof(*param)) || + param->mgd_magic != MDS_GRP_DOWNCALL_MAGIC) { + CERROR("%s: MDS group downcall bad params\n", obd->obd_name); + return count; + } - return snprintf(page, count, "%d\n", - atomic_read(&obd->u.mds.mds_open_count)); -} + if (param->mgd_ngroups > NGROUPS_MAX) { + CWARN("%s: uid %u groups %d more than maximum %d\n", + obd->obd_name, param->mgd_uid, param->mgd_ngroups, + NGROUPS_MAX); + param->mgd_ngroups = NGROUPS_MAX; + } -static int lprocfs_rd_last_fid(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; - __u64 last_fid; + if (param->mgd_ngroups > 0) { + size = offsetof(struct mds_grp_downcall_data, + mgd_groups[param->mgd_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.mgd_uid, sparam.mgd_ngroups); + param = &sparam; + param->mgd_ngroups = 0; + } else if (copy_from_user(param, buffer, size)) { + CERROR("%s: uid %u bad supplementary group data\n", + obd->obd_name, sparam.mgd_uid); + OBD_FREE(param, size); + param = &sparam; + param->mgd_ngroups = 0; + } + } + rc = upcall_cache_downcall(mds->mds_group_hash, param->mgd_err, + param->mgd_uid, param->mgd_gid, + param->mgd_ngroups, param->mgd_groups); - spin_lock(&mds->mds_last_fid_lock); - last_fid = mds->mds_last_fid; - spin_unlock(&mds->mds_last_fid_lock); + if (param && param != &sparam) + OBD_FREE(param, size); - *eof = 1; - return snprintf(page, count, LPD64"\n", last_fid); + return rc; } -static int lprocfs_rd_group(char *page, char **start, off_t off, - int count, int *eof, void *data) +static int lprocfs_rd_group_expire(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; + struct obd_device *obd = data; *eof = 1; return snprintf(page, count, "%lu\n", - (unsigned long)mds->mds_num); + obd->u.mds.mds_group_hash->uc_entry_expire / HZ); } -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, +static int lprocfs_wr_group_expire(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); - goto do_err_downcall; - } - if (copy_from_user(¶m, buffer, count)) { - CERROR("broken downcall\n"); - goto do_err_downcall; - } - - if (param.err) { - CERROR("LSD downcall indicate error %d\n", param.err); - goto do_downcall; - } - - if (param.ngroups > NGROUPS_MAX) { - CERROR("%d groups too big\n", param.ngroups); - goto do_err_downcall; - } - - 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); - goto do_err_downcall; - } - } - if (copy_from_user(gids, param.groups, - param.ngroups * sizeof(gid_t))) { - CERROR("broken downcall\n"); - goto do_err_downcall; - } + struct obd_device *obd = data; + int val, rc; - param.groups = gids; + rc = lprocfs_write_helper(buffer, count, &val); + if (rc) + return rc; -do_downcall: - upcall_cache_downcall(cache, (__u64) param.uid, ¶m); + if (val > 5) + obd->u.mds.mds_group_hash->uc_entry_expire = val * HZ; + else + CERROR("invalid expire time %u for group cache\n", val); - if (gids && gids != gids_local) - OBD_FREE(gids, param.ngroups * sizeof(gid_t)); return count; - -do_err_downcall: - param.err = -EINVAL; - goto do_downcall; } -static int lprocfs_rd_lsd_expire(char *page, char **start, off_t off, int count, - int *eof, void *data) +static int lprocfs_rd_group_acquire_expire(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; *eof = 1; - return snprintf(page, count, "%lu\n", cache->uc_entry_expire); + return snprintf(page, count, "%lu\n", + obd->u.mds.mds_group_hash->uc_acquire_expire / HZ); } -static int lprocfs_wr_lsd_expire(struct file *file, const char *buffer, - unsigned long count, void *data) + +static int lprocfs_wr_group_acquire_expire(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; + int val, rc = 0; + + rc = lprocfs_write_helper(buffer, count, &val); + if (rc) + return rc; + + if (val > 2) + obd->u.mds.mds_group_hash->uc_acquire_expire = val * HZ; - if (copy_from_user(buf, buffer, min(count, 32UL))) - return count; - buf[31] = 0; - sscanf(buf, "%lu", &cache->uc_entry_expire); return count; } -static int lprocfs_rd_lsd_ac_expire(char *page, char **start, off_t off, - int count, int *eof, void *data) +static int lprocfs_rd_group_upcall(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; *eof = 1; - return snprintf(page, count, "%lu\n", cache->uc_acquire_expire); + return snprintf(page, count, "%s\n", + obd->u.mds.mds_group_hash->uc_upcall); } -static int lprocfs_wr_lsd_ac_expire(struct file *file, const char *buffer, - unsigned long count, void *data) + +static int lprocfs_wr_group_upcall(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 upcall_cache *hash = obd->u.mds.mds_group_hash; + char kernbuf[UC_CACHE_UPCALL_MAXPATH] = { '\0' }; + + if (count >= UC_CACHE_UPCALL_MAXPATH) { + CERROR("%s: group 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); + + if (strcmp(hash->uc_name, obd->obd_name) != 0) + CWARN("%s: write to upcall name %s for MDS %s\n", + obd->obd_name, hash->uc_upcall, obd->obd_name); + CWARN("%s: group upcall set to %s\n", obd->obd_name, hash->uc_upcall); - if (copy_from_user(buf, buffer, min(count, 32UL))) - return count; - buf[31] = 0; - sscanf(buf, "%lu", &cache->uc_acquire_expire); return count; } -static int lprocfs_rd_lsd_upcall(char *page, char **start, off_t off, int count, - int *eof, void *data) +static int lprocfs_wr_group_flush(struct file *file, const char *buffer, + unsigned long count, void *data) { - struct upcall_cache *cache= __mds_get_global_lsd_cache(); + struct obd_device *obd = data; - *eof = 1; - return snprintf(page, count, "%s\n", cache->uc_upcall); + upcall_cache_flush_idle(obd->u.mds.mds_group_hash); + return count; } -static int lprocfs_wr_lsd_upcall(struct file *file, const char *buffer, +#endif + +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(); + struct obd_device *obd = data; + struct mds_obd *mds = &obd->u.mds; + char kernbuf[20], *end; + unsigned long diff = 0; - if (count < UC_CACHE_UPCALL_MAXPATH) { - sscanf(buffer, "%1024s", cache->uc_upcall); - cache->uc_upcall[UC_CACHE_UPCALL_MAXPATH - 1] = 0; - } + if (count > (sizeof(kernbuf) - 1)) + return -EINVAL; + + if (copy_from_user(kernbuf, buffer, count)) + return -EFAULT; + + kernbuf[count] = '\0'; + + diff = simple_strtoul(kernbuf, &end, 0); + if (kernbuf == end) + return -EINVAL; + + mds->mds_atime_diff = diff; 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) +static int lprocfs_rd_atime_diff(char *page, char **start, off_t off, + int count, int *eof, void *data) { - char buf[32]; - __u32 uid; + struct obd_device *obd = data; + struct mds_obd *mds = &obd->u.mds; - if (copy_from_user(buf, buffer, min(count, 32UL))) - return count; - buf[31] = 0; - sscanf(buf, "%d", &uid); + *eof = 1; + return snprintf(page, count, "%lu\n", mds->mds_atime_diff); +} - mds_flush_lsd(uid); -#ifdef ENABLE_GSS - lgss_svc_cache_flush(uid); +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 }, + { "evict_client", 0, lprocfs_mds_wr_evict_client, 0 }, + { "num_exports", lprocfs_rd_num_exports, 0, 0 }, +#ifdef HAVE_QUOTA_SUPPORT + { "quota_bunit_sz", lprocfs_rd_bunit, lprocfs_wr_bunit, 0 }, + { "quota_btune_sz", lprocfs_rd_btune, lprocfs_wr_btune, 0 }, + { "quota_iunit_sz", lprocfs_rd_iunit, lprocfs_wr_iunit, 0 }, + { "quota_itune_sz", lprocfs_rd_itune, lprocfs_wr_itune, 0 }, + { "quota_type", lprocfs_rd_type, lprocfs_wr_type, 0 }, #endif - return count; -} +#if 0 + { "group_expire_interval", lprocfs_rd_group_expire, + lprocfs_wr_group_expire, 0}, + { "group_acquire_expire", lprocfs_rd_group_acquire_expire, + lprocfs_wr_group_acquire_expire, 0}, + { "group_upcall", lprocfs_rd_group_upcall, + lprocfs_wr_group_upcall, 0}, + { "group_flush", 0, lprocfs_wr_group_flush, 0}, + { "group_info", 0, lprocfs_wr_group_info, 0 }, +#endif + { "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 } }; @@ -317,13 +329,27 @@ 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) +{ + lprocfs_counter_incr(exp->exp_obd->obd_stats, opcode); + lprocfs_counter_incr(exp->exp_ops_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))) +LPROCFS_INIT_VARS(mds, lprocfs_mds_module_vars, lprocfs_mds_obd_vars); +LPROCFS_INIT_VARS(mdt, lprocfs_mdt_module_vars, lprocfs_mdt_obd_vars); +#endif