/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*- * vim:expandtab:shiftwidth=8:tabstop=8: * * Copyright (C) 2002 Cluster File Systems, Inc. * * This file is part of Lustre, http://www.lustre.org. * * 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. * * 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. * * 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. * */ #define DEBUG_SUBSYSTEM S_CLASS #include #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)) #include #endif #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) { struct obd_device* obd = (struct obd_device *)data; LASSERT(obd != NULL); LASSERT(obd->u.mds.mds_vfsmnt->mnt_devname); *eof = 1; return snprintf(page, count, "%s\n",obd->u.mds.mds_vfsmnt->mnt_devname); } static int lprocfs_mds_rd_recovery_status(char *page, char **start, off_t off, int count, int *eof, void *data) { struct obd_device *obd = data; int len = 0, n, connected = obd->obd_connected_clients, max_recoverable = obd->obd_max_recoverable_clients, recoverable = obd->obd_recoverable_clients, completed = max_recoverable - recoverable, queue_len = obd->obd_requests_queued_for_recovery, replayed = obd->obd_replayed_requests; __u64 next_transno = obd->obd_next_recovery_transno; LASSERT(obd != NULL); *eof = 1; n = snprintf(page, count, "status: "); page += n; len += n; count -= n; if (obd->obd_max_recoverable_clients == 0) { n = snprintf(page, count, "INACTIVE\n"); return len + n; } if (obd->obd_recoverable_clients == 0) { n = snprintf(page, count, "COMPLETE\n"); page += n; len += n; count -= n; n = snprintf(page, count, "recovered_clients: %d\n", max_recoverable); page += n; len += n; count -= n; n = snprintf(page, count, "last_transno: "LPD64"\n", next_transno - 1); page += n; len += n; count -= n; n = snprintf(page, count, "replayed_requests: %d\n", replayed); return len + n; } /* sampled unlocked, but really... */ if (obd->obd_recovering == 0) { n = snprintf(page, count, "ABORTED\n"); return len + n; } n = snprintf(page, count, "RECOVERING\n"); page += n; len += n; count -= n; n = snprintf(page, count, "connected_clients: %d/%d\n", connected, max_recoverable); page += n; len += n; count -= n; n = snprintf(page, count, "completed_clients: %d/%d\n", completed, max_recoverable); page += n; len += n; count -= n; n = snprintf(page, count, "replayed_requests: %d/??\n", replayed); page += n; len += n; count -= n; n = snprintf(page, count, "queued_requests: %d\n", queue_len); page += n; len += n; count -= n; n = snprintf(page, count, "next_transno: "LPD64"\n", next_transno); return len + n; } 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)]; 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; } static int lprocfs_mds_wr_config_update(struct file *file, const char *buffer, unsigned long count, void *data) { struct obd_device *obd = data; ENTRY; RETURN(mds_lov_update_config(obd, 0)); } 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 }, { "mntdev", lprocfs_mds_rd_mntdev, 0, 0 }, { "recovery_status", lprocfs_mds_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 } }; struct lprocfs_vars lprocfs_mds_module_vars[] = { { "num_refs", lprocfs_rd_numrefs, 0, 0 }, { 0 } }; struct lprocfs_vars lprocfs_mdt_obd_vars[] = { { "uuid", lprocfs_rd_uuid, 0, 0 }, { 0 } }; struct lprocfs_vars lprocfs_mdt_module_vars[] = { { "num_refs", lprocfs_rd_numrefs, 0, 0 }, { 0 } }; #endif struct lprocfs_static_vars lprocfs_array_vars[] = { {lprocfs_mds_module_vars, lprocfs_mds_obd_vars}, {lprocfs_mdt_module_vars, lprocfs_mdt_obd_vars}}; LPROCFS_INIT_MULTI_VARS(lprocfs_array_vars, (sizeof(lprocfs_array_vars) / sizeof(struct lprocfs_static_vars)))