X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Fmdc%2Flproc_mdc.c;h=e78332d0024ed0fd4a0ee7fc3badfa8d4a72c3e4;hp=8ed8c92148a996b99c999764ad12ccf8526aca7f;hb=2f347eb0da65973bfc4acbd49ad48698bf71441f;hpb=f2b264f2049554d69c1cc6f0c0ebc5d3e196a068 diff --git a/lustre/mdc/lproc_mdc.c b/lustre/mdc/lproc_mdc.c index 8ed8c92..e78332d 100644 --- a/lustre/mdc/lproc_mdc.c +++ b/lustre/mdc/lproc_mdc.c @@ -1,26 +1,37 @@ /* -*- 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 the Lustre file system, http://www.lustre.org - * Lustre is a trademark of Cluster File Systems, Inc. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * - * 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 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. * - * 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. + * 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). * - * 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. + * 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 @@ -28,6 +39,7 @@ #include #include #include +#include #ifdef LPROCFS @@ -38,9 +50,9 @@ static int mdc_rd_max_rpcs_in_flight(char *page, char **start, off_t off, struct client_obd *cli = &dev->u.cli; int rc; - spin_lock(&cli->cl_loi_list_lock); + client_obd_list_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); + client_obd_list_unlock(&cli->cl_loi_list_lock); return rc; } @@ -58,15 +70,187 @@ static int mdc_wr_max_rpcs_in_flight(struct file *file, const char *buffer, if (val < 1 || val > MDC_MAX_RIF_MAX) return -ERANGE; - spin_lock(&cli->cl_loi_list_lock); + client_obd_list_lock(&cli->cl_loi_list_lock); cli->cl_max_rpcs_in_flight = val; - spin_unlock(&cli->cl_loi_list_lock); + client_obd_list_unlock(&cli->cl_loi_list_lock); + + return count; +} + +static struct lnl_hdr *changelog_lnl_alloc(int len, int flags) +{ + struct lnl_hdr *lh; + + OBD_ALLOC(lh, len); + if (lh == NULL) + RETURN(NULL); + + lh->lnl_magic = LNL_MAGIC; + lh->lnl_transport = LNL_TRANSPORT_CHANGELOG; + lh->lnl_flags = flags; + lh->lnl_msgtype = CL_RECORD; + lh->lnl_msglen = len; + return lh; +} + +#define D_CHANGELOG 0 + +static int changelog_show_cb(struct llog_handle *llh, struct llog_rec_hdr *hdr, + void *data) +{ + struct changelog_show *cs = data; + struct llog_changelog_rec *rec = (struct llog_changelog_rec *)hdr; + struct lnl_hdr *lh; + int len, rc; + ENTRY; + + if ((rec->cr_hdr.lrh_type != CHANGELOG_REC) || + (rec->cr.cr_type >= CL_LAST)) { + CERROR("Not a changelog rec %d/%d\n", rec->cr_hdr.lrh_type, + rec->cr.cr_type); + RETURN(-EINVAL); + } + + if (rec->cr.cr_index < cs->cs_startrec) { + /* Skip entries earlier than what we are interested in */ + CDEBUG(D_CHANGELOG, "rec="LPU64" start="LPU64"\n", + rec->cr.cr_index, cs->cs_startrec); + RETURN(0); + } + + CDEBUG(D_CHANGELOG, LPU64" %02d%-5s "LPU64" 0x%x t="DFID" p="DFID + " %.*s\n", rec->cr.cr_index, rec->cr.cr_type, + changelog_type2str(rec->cr.cr_type), rec->cr.cr_time, + rec->cr.cr_flags & CLF_FLAGMASK, + PFID(&rec->cr.cr_tfid), PFID(&rec->cr.cr_pfid), + rec->cr.cr_namelen, rec->cr.cr_name); + + len = sizeof(*lh) + sizeof(rec->cr) + rec->cr.cr_namelen; + + /* Set up the netlink message */ + lh = changelog_lnl_alloc(len, cs->cs_flags); + if (lh == NULL) + RETURN(-ENOMEM); + memcpy(lh + 1, &rec->cr, len - sizeof(*lh)); + + rc = libcfs_klnl_msg_put(cs->cs_pid, 0, lh); + CDEBUG(D_CHANGELOG, "nlmsg pid %d len %d rc %d\n", cs->cs_pid, len, rc); + + OBD_FREE(lh, len); + + RETURN(rc); +} + +static int lproc_mdc_wr_changelog(struct file *file, const char *buffer, + unsigned long count, void *data) +{ + struct obd_device *obd = data; + struct llog_ctxt *ctxt; + struct llog_handle *llh; + struct lnl_hdr *lnlh; + struct changelog_show cs = {}; + int rc; + if (count != sizeof(cs)) + return -EINVAL; + + if (cfs_copy_from_user(&cs, buffer, sizeof(cs))) + return -EFAULT; + + CDEBUG(D_CHANGELOG, "changelog to pid=%d start "LPU64"\n", + cs.cs_pid, cs.cs_startrec); + + /* Set up the remote catalog handle */ + ctxt = llog_get_context(obd, LLOG_CHANGELOG_REPL_CTXT); + if (ctxt == NULL) + RETURN(-ENOENT); + rc = llog_create(ctxt, &llh, NULL, CHANGELOG_CATALOG); + if (rc) { + CERROR("llog_create() failed %d\n", rc); + GOTO(out, rc); + } + rc = llog_init_handle(llh, LLOG_F_IS_CAT, NULL); + if (rc) { + CERROR("llog_init_handle failed %d\n", rc); + GOTO(out, rc); + } + + rc = llog_cat_process(llh, changelog_show_cb, &cs, 0, 0); + + /* Send EOF */ + if ((lnlh = changelog_lnl_alloc(sizeof(*lnlh), cs.cs_flags))) { + lnlh->lnl_msgtype = CL_EOF; + libcfs_klnl_msg_put(cs.cs_pid, 0, lnlh); + OBD_FREE(lnlh, sizeof(*lnlh)); + } + +out: + if (llh) + llog_cat_put(llh); + if (ctxt) + llog_ctxt_put(ctxt); + if (rc < 0) + return rc; + return count; +} + +/* temporary for testing */ +static int mdc_wr_netlink(struct file *file, const char *buffer, + unsigned long count, void *data) +{ + struct obd_device *obd = data; + struct lnl_hdr *lh; + struct hsm_action_list *hal; + struct hsm_action_item *hai; + int len; + int pid, rc; + + rc = lprocfs_write_helper(buffer, count, &pid); + if (rc) + return rc; + + if (pid < 0) + return -ERANGE; + CWARN("message to pid %d\n", pid); + + len = sizeof(*lh) + sizeof(*hal) + MTI_NAME_MAXLEN + + /* for mockup below */ 2 * cfs_size_round(sizeof(*hai)); + + OBD_ALLOC(lh, len); + + lh->lnl_magic = LNL_MAGIC; + lh->lnl_transport = LNL_TRANSPORT_HSM; + lh->lnl_msgtype = HMT_ACTION_LIST; + lh->lnl_msglen = len; + + hal = (struct hsm_action_list *)(lh + 1); + hal->hal_version = HAL_VERSION; + hal->hal_archive_num = 1; + obd_uuid2fsname(hal->hal_fsname, obd->obd_name, MTI_NAME_MAXLEN); + + /* mock up an action list */ + hal->hal_count = 2; + hai = hai_zero(hal); + hai->hai_action = HSMA_ARCHIVE; + hai->hai_fid.f_oid = 5; + hai->hai_len = sizeof(*hai); + hai = hai_next(hai); + hai->hai_action = HSMA_RESTORE; + hai->hai_fid.f_oid = 10; + hai->hai_len = sizeof(*hai); + + /* This works for either broadcast or unicast to a single pid */ + rc = libcfs_klnl_msg_put(pid, pid == 0 ? LNL_GRP_HSM : 0, lh); + + OBD_FREE(lh, len); + if (rc < 0) + return rc; return count; } + static struct lprocfs_vars lprocfs_mdc_obd_vars[] = { { "uuid", lprocfs_rd_uuid, 0, 0 }, - { "ping", 0, lprocfs_wr_ping, 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 }, @@ -74,12 +258,16 @@ static struct lprocfs_vars lprocfs_mdc_obd_vars[] = { { "kbytesavail", lprocfs_rd_kbytesavail, 0, 0 }, { "filestotal", lprocfs_rd_filestotal, 0, 0 }, { "filesfree", lprocfs_rd_filesfree, 0, 0 }, - //{ "filegroups", lprocfs_rd_filegroups, 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 }, - { "sptlrpc", sptlrpc_lprocfs_rd, 0, 0 }, + { "timeouts", lprocfs_rd_timeouts, 0, 0 }, + { "import", lprocfs_rd_import, 0, 0 }, + { "state", lprocfs_rd_state, 0, 0 }, + { "changelog_trigger",0,lproc_mdc_wr_changelog, 0 }, + { "hsm_nl", 0, mdc_wr_netlink, 0, 0, 0222 }, { 0 } }; @@ -94,4 +282,3 @@ void lprocfs_mdc_init_vars(struct lprocfs_static_vars *lvars) lvars->obd_vars = lprocfs_mdc_obd_vars; } #endif /* LPROCFS */ -