X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Fmdc%2Flproc_mdc.c;h=72d3790e3e9a14bd3e754dbaf2872ddbdbcfb86d;hb=6f695370c5d5a37f05c5bcc6e73649e3b7d40d36;hp=b0fcad670948a581abccb4c12f10f375223a58be;hpb=6759c2cb63625eb517613a8cd52047de8747d99c;p=fs%2Flustre-release.git diff --git a/lustre/mdc/lproc_mdc.c b/lustre/mdc/lproc_mdc.c index b0fcad6..72d3790 100644 --- a/lustre/mdc/lproc_mdc.c +++ b/lustre/mdc/lproc_mdc.c @@ -1,128 +1,166 @@ /* -*- 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 -#include +#include +#include +#include +#include +#include +#ifdef LPROCFS -int rd_uuid(char* page, char **start, off_t off, int count, int *eof, - void *data) +static int mdc_rd_max_rpcs_in_flight(char *page, char **start, off_t off, + int count, int *eof, void *data) { + struct obd_device *dev = data; + struct client_obd *cli = &dev->u.cli; + int rc; - struct obd_device* temp = (struct obd_device*)data; - int len = 0; - len += snprintf(page, count, "%s\n",temp->obd_uuid); - return len; - - -} -int rd_blksize(char* page, char **start, off_t off, int count, int *eof, - void *data) -{ - return 0; -} -int rd_kbtotal(char* page, char **start, off_t off, int count, int *eof, - void *data) -{ - return 0; + spin_lock(&cli->cl_loi_list_lock); + rc = snprintf(page, count, "%u\n", cli->cl_max_rpcs_in_flight); + spin_unlock(&cli->cl_loi_list_lock); + return rc; } -int rd_kbfree(char* page, char **start, off_t off, int count, int *eof, - void *data) +static int mdc_wr_max_rpcs_in_flight(struct file *file, const char *buffer, + unsigned long count, void *data) { - return 0; -} + struct obd_device *dev = data; + struct client_obd *cli = &dev->u.cli; + int val, rc; + rc = lprocfs_write_helper(buffer, count, &val); + if (rc) + return rc; -int rd_filestotal(char* page, char **start, off_t off, int count, int *eof, - void *data) -{ - return 0; -} + if (val < 1 || val > MDC_MAX_RIF_MAX) + return -ERANGE; -int rd_filesfree(char* page, char **start, off_t off, int count, int *eof, - void *data) -{ - return 0; -} + spin_lock(&cli->cl_loi_list_lock); + cli->cl_max_rpcs_in_flight = val; + spin_unlock(&cli->cl_loi_list_lock); -int rd_filegroups(char* page, char **start, off_t off, int count, int *eof, - void *data) -{ - return 0; -} -int rd_conn_uuid(char* page, char **start, off_t off, int count, int *eof, - void *data) -{ - struct obd_device* temp = (struct obd_device*)data; - struct client_obd* cli = &temp->u.cli; - struct obd_import* imp = &cli->cl_import; - int len = 0; - - len += snprintf(page, count, "%s\n",imp->imp_connection->c_remote_uuid); - return len; + return count; } -int rd_server_uuid(char* page, char **start, off_t off, int count, int *eof, - void *data) +static int mdc_changelog_seq_release(struct inode *inode, struct file *file) { - struct obd_device* temp = (struct obd_device*)data; - struct client_obd* cli = &temp->u.cli; - int len = 0; - - len += snprintf(page, count, "%s\n",cli->cl_target_uuid); - return len; + struct seq_file *seq = file->private_data; + struct changelog_seq_iter *csi = seq->private; + + if (csi && csi->csi_llh) + llog_cat_put(csi->csi_llh); + if (csi && csi->csi_ctxt) + llog_ctxt_put(csi->csi_ctxt); + + return (changelog_seq_release(inode, file)); } -int rd_server_name(char* page, char **start, off_t off, int count, int *eof, - void *data) +static int mdc_changelog_seq_open(struct inode *inode, struct file *file) { - return 0; - + struct changelog_seq_iter *csi; + int rc; + ENTRY; + + rc = changelog_seq_open(inode, file, &csi); + if (rc) + RETURN(rc); + + /* Set up the remote catalog handle */ + /* Note the proc file is set up with obd in data, not mdc_device */ + csi->csi_ctxt = llog_get_context((struct obd_device *)csi->csi_dev, + LLOG_CHANGELOG_REPL_CTXT); + if (csi->csi_ctxt == NULL) + GOTO(out, rc = -ENOENT); + rc = llog_create(csi->csi_ctxt, &csi->csi_llh, NULL, CHANGELOG_CATALOG); + if (rc) { + CERROR("llog_create() failed %d\n", rc); + GOTO(out, rc); + } + rc = llog_init_handle(csi->csi_llh, LLOG_F_IS_CAT, NULL); + if (rc) { + CERROR("llog_init_handle failed %d\n", rc); + GOTO(out, rc); + } + +out: + if (rc) + mdc_changelog_seq_release(inode, file); + RETURN(rc); } -struct lprocfs_vars status_var_nm_1[] = { - {"status/uuid", rd_uuid, 0, 0}, - {"status/blocksize",rd_blksize, 0, 0}, - {"status/kbytestotal",rd_kbtotal, 0, 0}, - {"status/kbytesfree", rd_kbfree, 0, 0}, - {"status/filestotal", rd_filestotal, 0, 0}, - {"status/filesfree", rd_filesfree, 0, 0}, - {"status/filegroups", rd_filegroups, 0, 0}, - {"status/mds_server_uuid", rd_server_uuid, 0, 0}, - {"status/mds_conn_uuid", rd_conn_uuid, 0, 0}, - {0} +static struct file_operations mdc_changelog_fops = { + .owner = THIS_MODULE, + .open = mdc_changelog_seq_open, + .read = seq_read, + .llseek = changelog_seq_lseek, + .release = mdc_changelog_seq_release, +}; + +static struct lprocfs_vars lprocfs_mdc_obd_vars[] = { + { "uuid", lprocfs_rd_uuid, 0, 0 }, + { "ping", 0, lprocfs_wr_ping, 0, 0, 0222 }, + { "connect_flags", lprocfs_rd_connect_flags, 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 }, + /*{ "filegroups", lprocfs_rd_filegroups, 0, 0 },*/ + { "mds_server_uuid", lprocfs_rd_server_uuid, 0, 0 }, + { "mds_conn_uuid", lprocfs_rd_conn_uuid, 0, 0 }, + { "max_rpcs_in_flight", mdc_rd_max_rpcs_in_flight, + mdc_wr_max_rpcs_in_flight, 0 }, + { "timeouts", lprocfs_rd_timeouts, 0, 0 }, + { "import", lprocfs_rd_import, 0, 0 }, + { "state", lprocfs_rd_state, 0, 0 }, + { "changelog", 0, 0, 0, &mdc_changelog_fops, 0400 }, + { 0 } }; -int rd_numrefs(char* page, char **start, off_t off, int count, int *eof, - void *data) -{ - struct obd_type* class = (struct obd_type*)data; - int len = 0; - len += snprintf(page, count, "%d\n", class->typ_refcnt); - return len; -} -struct lprocfs_vars status_class_var[] = { - {"status/num_refs", rd_numrefs, 0, 0}, - {0} +static struct lprocfs_vars lprocfs_mdc_module_vars[] = { + { "num_refs", lprocfs_rd_numrefs, 0, 0 }, + { 0 } }; + +void lprocfs_mdc_init_vars(struct lprocfs_static_vars *lvars) +{ + lvars->module_vars = lprocfs_mdc_module_vars; + lvars->obd_vars = lprocfs_mdc_obd_vars; +} +#endif /* LPROCFS */