-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
+/*
+ * GPL HEADER START
*
- * Lustre Light common routines
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * 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.
+ *
+ * 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
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
*
- * Copyright (c) 2002-2004 Cluster File Systems, Inc.
+ * 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.
*
- * This file is part of Lustre, http://www.lustre.org.
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
*
- * 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.
+ * Copyright (c) 2012, Intel Corporation.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
*
- * 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.
+ * lustre/liblustre/llite_lib.c
*
- * 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.
+ * Lustre Light common routines
*/
#include <stdlib.h>
#include <assert.h>
#include <signal.h>
#include <sys/types.h>
+#include <sys/stat.h>
#include <sys/queue.h>
-#include <sysio.h>
-#include <fs.h>
-#include <mount.h>
-#include <inode.h>
-#include <file.h>
-
-#ifdef REDSTORM
-#define CSTART_INIT
-#endif
-
-/* both sys/queue.h (libsysio require it) and portals/lists.h have definition
- * of 'LIST_HEAD'. undef it to suppress warnings
- */
-#undef LIST_HEAD
-#include <portals/ptlctl.h>
+#include <liblustre.h>
+#include <lnet/lnetctl.h> /* needed for parse_dump */
+#include <lustre_log.h>
#include "lutil.h"
#include "llite_lib.h"
+int slp_global_init(void);
+
static int lllib_init(void)
{
- liblustre_set_nal_nid();
-
- if (liblustre_init_current("dummy") ||
- init_obdclass() ||
+ if (liblustre_init_current("liblustre") ||
init_lib_portals() ||
+ init_obdclass() ||
ptlrpc_init() ||
+ mgc_init() ||
+ lmv_init() ||
mdc_init() ||
lov_init() ||
- osc_init())
+ osc_init() ||
+ slp_global_init())
return -1;
- return _sysio_fssw_register("llite", &llu_fssw_ops);
+ return _sysio_fssw_register("lustre", &llu_fssw_ops);
}
-
-#ifndef CRAY_PORTALS
-#define LIBLUSTRE_NAL_NAME "tcp"
-#elif defined REDSTORM
-#define LIBLUSTRE_NAL_NAME "cray_qk_ernal"
-#else
-#define LIBLUSTRE_NAL_NAME "cray_pb_ernal"
-#endif
-int liblustre_process_log(struct config_llog_instance *cfg, int allow_recov)
+int liblustre_process_log(struct config_llog_instance *cfg,
+ char *mgsnid, char *profile,
+ int allow_recov)
{
- struct lustre_cfg lcfg;
- char *peer = "MDS_PEER_UUID";
+ struct lustre_cfg_bufs bufs;
+ struct lustre_cfg *lcfg;
+ char *peer = "MGS_UUID";
struct obd_device *obd;
- struct lustre_handle mdc_conn = {0, };
struct obd_export *exp;
- char *name = "mdc_dev";
+ char *name = "mgc_dev";
class_uuid_t uuid;
- struct obd_uuid mdc_uuid;
+ struct obd_uuid mgc_uuid;
struct llog_ctxt *ctxt;
- ptl_nid_t nid = 0;
- int nal, err, rc = 0;
+ lnet_nid_t nid = 0;
+ char *mdsnid;
+ int err, rc = 0;
+ struct obd_connect_data *ocd = NULL;
ENTRY;
- generate_random_uuid(uuid);
- class_uuid_unparse(uuid, &mdc_uuid);
+ ll_generate_random_uuid(uuid);
+ class_uuid_unparse(uuid, &mgc_uuid);
- if (ptl_parse_nid(&nid, g_zconf_mdsnid)) {
- CERROR("Can't parse NID %s\n", g_zconf_mdsnid);
+ nid = libcfs_str2nid(mgsnid);
+ if (nid == LNET_NID_ANY) {
+ CERROR("Can't parse NID %s\n", mgsnid);
RETURN(-EINVAL);
}
- nal = ptl_name2nal(LIBLUSTRE_NAL_NAME);
- if (nal <= 0) {
- CERROR("Can't parse NAL %s\n", LIBLUSTRE_NAL_NAME);
- RETURN(-EINVAL);
+ lustre_cfg_bufs_reset(&bufs, NULL);
+ lustre_cfg_bufs_set_string(&bufs, 1, peer);
+ lcfg = lustre_cfg_new(LCFG_ADD_UUID, &bufs);
+ lcfg->lcfg_nid = nid;
+ rc = class_process_config(lcfg);
+ lustre_cfg_free(lcfg);
+ if (rc < 0)
+ GOTO(out, rc);
+
+ lustre_cfg_bufs_reset(&bufs, name);
+ lustre_cfg_bufs_set_string(&bufs, 1, LUSTRE_MGC_NAME);
+ lustre_cfg_bufs_set_string(&bufs, 2, mgc_uuid.uuid);
+ lcfg = lustre_cfg_new(LCFG_ATTACH, &bufs);
+ rc = class_process_config(lcfg);
+ lustre_cfg_free(lcfg);
+ if (rc < 0)
+ GOTO(out_del_uuid, rc);
+
+ lustre_cfg_bufs_reset(&bufs, name);
+ lustre_cfg_bufs_set_string(&bufs, 1, LUSTRE_MGS_OBDNAME);
+ lustre_cfg_bufs_set_string(&bufs, 2, peer);
+ lcfg = lustre_cfg_new(LCFG_SETUP, &bufs);
+ rc = class_process_config(lcfg);
+ lustre_cfg_free(lcfg);
+ if (rc < 0)
+ GOTO(out_detach, rc);
+
+ while ((mdsnid = strsep(&mgsnid, ","))) {
+ nid = libcfs_str2nid(mdsnid);
+ lustre_cfg_bufs_reset(&bufs, NULL);
+ lustre_cfg_bufs_set_string(&bufs, 1, libcfs_nid2str(nid));
+ lcfg = lustre_cfg_new(LCFG_ADD_UUID, &bufs);
+ lcfg->lcfg_nid = nid;
+ rc = class_process_config(lcfg);
+ lustre_cfg_free(lcfg);
+ if (rc) {
+ CERROR("Add uuid for %s failed %d\n",
+ libcfs_nid2str(nid), rc);
+ continue;
+ }
+
+ lustre_cfg_bufs_reset(&bufs, name);
+ lustre_cfg_bufs_set_string(&bufs, 1, libcfs_nid2str(nid));
+ lcfg = lustre_cfg_new(LCFG_ADD_CONN, &bufs);
+ lcfg->lcfg_nid = nid;
+ rc = class_process_config(lcfg);
+ lustre_cfg_free(lcfg);
+ if (rc) {
+ CERROR("Add conn for %s failed %d\n",
+ libcfs_nid2str(nid), rc);
+ continue;
+ }
}
- LCFG_INIT(lcfg, LCFG_ADD_UUID, NULL);
- lcfg.lcfg_nid = nid;
- lcfg.lcfg_inllen1 = strlen(peer) + 1;
- lcfg.lcfg_inlbuf1 = peer;
- lcfg.lcfg_nal = nal;
- err = class_process_config(&lcfg);
- if (err < 0)
- GOTO(out, err);
-
- LCFG_INIT(lcfg, LCFG_ATTACH, name);
- lcfg.lcfg_inlbuf1 = "mdc";
- lcfg.lcfg_inllen1 = strlen(lcfg.lcfg_inlbuf1) + 1;
- lcfg.lcfg_inlbuf2 = mdc_uuid.uuid;
- lcfg.lcfg_inllen2 = strlen(lcfg.lcfg_inlbuf2) + 1;
- err = class_process_config(&lcfg);
- if (err < 0)
- GOTO(out_del_uuid, err);
-
- LCFG_INIT(lcfg, LCFG_SETUP, name);
- lcfg.lcfg_inlbuf1 = g_zconf_mdsname;
- lcfg.lcfg_inllen1 = strlen(lcfg.lcfg_inlbuf1) + 1;
- lcfg.lcfg_inlbuf2 = peer;
- lcfg.lcfg_inllen2 = strlen(lcfg.lcfg_inlbuf2) + 1;
- err = class_process_config(&lcfg);
- if (err < 0)
- GOTO(out_detach, err);
-
+
obd = class_name2obd(name);
if (obd == NULL)
- GOTO(out_cleanup, err = -EINVAL);
+ GOTO(out_cleanup, rc = -EINVAL);
- /* Disable initial recovery on this import */
- err = obd_set_info(obd->obd_self_export,
- strlen("initial_recov"), "initial_recov",
- sizeof(allow_recov), &allow_recov);
+ OBD_ALLOC(ocd, sizeof(*ocd));
+ if (ocd == NULL)
+ GOTO(out_cleanup, rc = -ENOMEM);
- err = obd_connect(&mdc_conn, obd, &mdc_uuid, 0);
- if (err) {
- CERROR("cannot connect to %s: rc = %d\n",
- g_zconf_mdsname, err);
- GOTO(out_cleanup, err);
+ ocd->ocd_connect_flags = OBD_CONNECT_VERSION | OBD_CONNECT_AT |
+ OBD_CONNECT_FULL20;
+ ocd->ocd_version = LUSTRE_VERSION_CODE;
+
+ rc = obd_connect(NULL, &exp, obd, &mgc_uuid, ocd, NULL);
+ if (rc) {
+ CERROR("cannot connect to %s at %s: rc = %d\n",
+ LUSTRE_MGS_OBDNAME, mgsnid, rc);
+ GOTO(out_cleanup, rc);
}
-
- exp = class_conn2export(&mdc_conn);
-
- ctxt = exp->exp_obd->obd_llog_ctxt[LLOG_CONFIG_REPL_CTXT];
- rc = class_config_process_llog(ctxt, g_zconf_profile, cfg);
+
+ ctxt = llog_get_context(exp->exp_obd, LLOG_CONFIG_REPL_CTXT);
+ cfg->cfg_flags |= CFG_F_COMPAT146;
+ rc = class_config_parse_llog(NULL, ctxt, profile, cfg);
+ llog_ctxt_put(ctxt);
if (rc) {
CERROR("class_config_parse_llog failed: rc = %d\n", rc);
}
- err = obd_disconnect(exp, 0);
+ /* We don't so much care about errors in cleaning up the config llog
+ * connection, as we have already read the config by this point. */
+ err = obd_disconnect(exp);
+ if (err)
+ CERROR("obd_disconnect failed: rc = %d\n", err);
out_cleanup:
- LCFG_INIT(lcfg, LCFG_CLEANUP, name);
- err = class_process_config(&lcfg);
- if (err < 0)
- GOTO(out, err);
+ if (ocd)
+ OBD_FREE(ocd, sizeof(*ocd));
+
+ lustre_cfg_bufs_reset(&bufs, name);
+ lcfg = lustre_cfg_new(LCFG_CLEANUP, &bufs);
+ err = class_process_config(lcfg);
+ lustre_cfg_free(lcfg);
+ if (err)
+ CERROR("md_cleanup failed: rc = %d\n", err);
out_detach:
- LCFG_INIT(lcfg, LCFG_DETACH, name);
- err = class_process_config(&lcfg);
- if (err < 0)
- GOTO(out, err);
+ lustre_cfg_bufs_reset(&bufs, name);
+ lcfg = lustre_cfg_new(LCFG_DETACH, &bufs);
+ err = class_process_config(lcfg);
+ lustre_cfg_free(lcfg);
+ if (err)
+ CERROR("md_detach failed: rc = %d\n", err);
out_del_uuid:
- LCFG_INIT(lcfg, LCFG_DEL_UUID, name);
- lcfg.lcfg_inllen1 = strlen(peer) + 1;
- lcfg.lcfg_inlbuf1 = peer;
- err = class_process_config(&lcfg);
-
+ lustre_cfg_bufs_reset(&bufs, name);
+ lustre_cfg_bufs_set_string(&bufs, 1, peer);
+ lcfg = lustre_cfg_new(LCFG_DEL_UUID, &bufs);
+ err = class_process_config(lcfg);
+ if (err)
+ CERROR("del MDC UUID failed: rc = %d\n", err);
+ lustre_cfg_free(lcfg);
out:
- if (rc == 0)
- rc = err;
-
+
RETURN(rc);
}
-/* parse host:/mdsname/profile string */
-int ll_parse_mount_target(const char *target, char **mdsnid,
- char **mdsname, char **profile)
+/* parse host:/fsname string */
+int ll_parse_mount_target(const char *target, char **mgsnid,
+ char **fsname)
{
static char buf[256];
char *s;
strncpy(buf, target, 255);
if ((s = strchr(buf, ':'))) {
- *mdsnid = buf;
+ *mgsnid = buf;
*s = '\0';
-
+
while (*++s == '/')
;
- *mdsname = s;
- if ((s = strchr(*mdsname, '/'))) {
- *s = '\0';
- *profile = s + 1;
- return 0;
- }
+ sprintf(s + strlen(s), "-client");
+ *fsname = s;
+
+ return 0;
}
return -1;
* or in the apps themselves. The NAMESPACE_STRING specifying
* the initial set of fs ops (creates, mounts, etc.) is passed
* as an environment variable.
- *
+ *
* _sysio_init();
* _sysio_incore_init();
* _sysio_native_init();
int _sysio_lustre_init(void)
{
int err;
-
-#if 0
- portal_debug = -1;
- portal_subsystem_debug = -1;
+ char *envstr;
+#ifndef INIT_SYSIO
+ extern void __liblustre_cleanup_(void);
#endif
liblustre_init_random();
err = lllib_init();
if (err) {
perror("init llite driver");
- }
+ return err;
+ }
+
+ envstr = getenv("LIBLUSTRE_TIMEOUT");
+ if (envstr != NULL) {
+ obd_timeout = (unsigned int)strtol(envstr, NULL, 0);
+ printf("LibLustre: obd timeout=%u seconds\n",
+ obd_timeout);
+ }
+
+ /* debug peer on timeout? */
+ envstr = getenv("LIBLUSTRE_DEBUG_PEER_ON_TIMEOUT");
+ if (envstr != NULL) {
+ obd_debug_peer_on_timeout =
+ (unsigned int)strtol(envstr, NULL, 0);
+ printf("LibLustre: debug peer on timeout=%d\n",
+ obd_debug_peer_on_timeout ? 0 : 1);
+ }
+
+#ifndef INIT_SYSIO
+ (void)atexit(__liblustre_cleanup_);
+#endif
return err;
}
-/* env variables */
-#define ENV_LUSTRE_MNTPNT "LIBLUSTRE_MOUNT_POINT"
-#define ENV_LUSTRE_MNTTGT "LIBLUSTRE_MOUNT_TARGET"
-#define ENV_LUSTRE_TIMEOUT "LIBLUSTRE_TIMEOUT"
-#define ENV_LUSTRE_DUMPFILE "LIBLUSTRE_DUMPFILE"
-#define ENV_LUSTRE_DEBUG_MASK "LIBLUSTRE_DEBUG_MASK"
-#define ENV_LUSTRE_DEBUG_SUBSYS "LIBLUSTRE_DEBUG_SUBSYS"
-
extern int _sysio_native_init();
-extern unsigned int obd_timeout;
-
-static char *lustre_path = NULL;
-/* global variables */
-char *g_zconf_mdsname = NULL; /* mdsname, for zeroconf */
-char *g_zconf_mdsnid = NULL; /* mdsnid, for zeroconf */
-char *g_zconf_profile = NULL; /* profile, for zeroconf */
+static int mnt_retry = 0;
+char *lustre_path = NULL;
void __liblustre_setup_(void)
{
char *target = NULL;
- char *timeout = NULL;
- char *debug_mask = NULL;
- char *debug_subsys = NULL;
- char *root_driver = "native";
- char *lustre_driver = "llite";
- char *root_path = "/";
+ char *lustre_driver = "lustre";
unsigned mntflgs = 0;
- int err;
+ int err, count;
- lustre_path = getenv(ENV_LUSTRE_MNTPNT);
- if (!lustre_path) {
+ lustre_path = getenv("LIBLUSTRE_MOUNT_POINT");
+ if (!lustre_path) {
lustre_path = "/mnt/lustre";
- }
+ }
+
+ target = getenv("LIBLUSTRE_MOUNT_RETRY");
+ if (target) {
+ mnt_retry = atoi(target);
+ if (mnt_retry < 0)
+ mnt_retry = 0;
+ }
/* mount target */
- target = getenv(ENV_LUSTRE_MNTTGT);
+ target = getenv("LIBLUSTRE_MOUNT_TARGET");
if (!target) {
printf("LibLustre: no mount target specified\n");
exit(1);
}
- if (ll_parse_mount_target(target,
- &g_zconf_mdsnid,
- &g_zconf_mdsname,
- &g_zconf_profile)) {
- CERROR("mal-formed target %s \n", target);
- exit(1);
- }
- if (!g_zconf_mdsnid || !g_zconf_mdsname || !g_zconf_profile) {
- printf("Liblustre: invalid target %s\n", target);
- exit(1);
- }
- printf("LibLustre: mount point %s, target %s\n",
- lustre_path, target);
- timeout = getenv(ENV_LUSTRE_TIMEOUT);
- if (timeout) {
- obd_timeout = (unsigned int) strtol(timeout, NULL, 0);
- printf("LibLustre: set obd timeout as %u seconds\n",
- obd_timeout);
- }
+ CDEBUG(D_CONFIG, "LibLustre: mount point %s, target %s\n",
+ lustre_path, target);
- /* debug masks */
- debug_mask = getenv(ENV_LUSTRE_DEBUG_MASK);
- if (debug_mask)
- portal_debug = (unsigned int) strtol(debug_mask, NULL, 0);
-
- debug_subsys = getenv(ENV_LUSTRE_DEBUG_SUBSYS);
- if (debug_subsys)
- portal_subsystem_debug =
- (unsigned int) strtol(debug_subsys, NULL, 0);
-
-#ifndef CSTART_INIT
+#ifdef INIT_SYSIO
/* initialize libsysio & mount rootfs */
- if (_sysio_init()) {
- perror("init sysio");
- exit(1);
- }
+ if (_sysio_init()) {
+ perror("init sysio");
+ exit(1);
+ }
_sysio_native_init();
- err = _sysio_mount_root(root_path, root_driver, mntflgs, NULL);
- if (err) {
- perror(root_driver);
- exit(1);
- }
+ err = _sysio_mount_root("/", "native", mntflgs, NULL);
+ if (err) {
+ fprintf(stderr, "sysio mount failed: %s\n", strerror(errno));
+ exit(1);
+ }
if (_sysio_lustre_init())
- exit(1);
-#endif
-
- err = mount("/", lustre_path, lustre_driver, mntflgs, NULL);
- if (err) {
- errno = -err;
- perror(lustre_driver);
- exit(1);
- }
+ exit(1);
+#endif /* INIT_SYSIO */
+
+ count = mnt_retry;
+ do {
+ err = mount(target, lustre_path, lustre_driver, mntflgs, NULL);
+ if (err && mnt_retry && (-- count)) {
+ fprintf(stderr, "Lustre mount failed: %s. "
+ "Will retry %d more times\n",
+ strerror(errno), mnt_retry - count );
+ sleep(2);
+ }
+ } while (err && count > 0);
+ if (err) {
+ fprintf(stderr, "Lustre mount failed: %s\n", strerror(errno));
+ exit(1);
+ }
}
void __liblustre_cleanup_(void)
{
+#ifndef INIT_SYSIO
+ /* guard against being called multiple times */
+ static int cleaned = 0;
+
+ if (cleaned)
+ return;
+ cleaned++;
+#endif
+
/* user app might chdir to a lustre directory, and leave busy pnode
* during finaly libsysio cleanup. here we chdir back to "/".
* but it can't fix the situation that liblustre is mounted
* at "/".
*/
- chdir("/");
+ if (!chdir("/")) {}
#if 0
umount(lustre_path);
#endif
/* we can't call umount here, because libsysio will not cleanup
* opening files for us. _sysio_shutdown() will cleanup fds at
* first but which will also close the sockets we need for umount
- * liblutre. this delima lead to another hack in
+ * liblutre. this dilema lead to another hack in
* libsysio/src/file_hack.c FIXME
*/
+#ifdef INIT_SYSIO
_sysio_shutdown();
cleanup_lib_portals();
- PtlFini();
+ LNetFini();
+#endif
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff