-/* -*- 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, 2003 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 <netinet/in.h>
-#include <sys/socket.h>
-#include <arpa/inet.h>
-
-#include <sysio.h>
-#include <fs.h>
-#include <mount.h>
-#include <inode.h>
-#include <file.h>
-
-/* 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> /* needed for parse_dump */
-#include <procbridge.h>
+#include <liblustre.h>
+#include <lnet/lnetctl.h> /* needed for parse_dump */
+#include <lustre_log.h>
+#include "lutil.h"
#include "llite_lib.h"
-unsigned int portal_subsystem_debug = ~0 - (S_PORTALS | S_QSWNAL | S_SOCKNAL |
- S_GMNAL | S_IBNAL);
-
-ptl_handle_ni_t tcpnal_ni;
-struct task_struct *current;
-
-/* portals interfaces */
-
-struct ldlm_namespace;
-struct ldlm_res_id;
-struct obd_import;
-
-void *inter_module_get(char *arg)
-{
- if (!strcmp(arg, "tcpnal_ni"))
- return &tcpnal_ni;
- else if (!strcmp(arg, "ldlm_cli_cancel_unused"))
- return ldlm_cli_cancel_unused;
- else if (!strcmp(arg, "ldlm_namespace_cleanup"))
- return ldlm_namespace_cleanup;
- else if (!strcmp(arg, "ldlm_replay_locks"))
- return ldlm_replay_locks;
- else
- return NULL;
-}
-
-/* XXX move to proper place */
-char *portals_nid2str(int nal, ptl_nid_t nid, char *str)
-{
- switch(nal){
- case TCPNAL:
- /* userspace NAL */
- case SOCKNAL:
- snprintf(str, PTL_NALFMT_SIZE - 1, "%u:%u.%u.%u.%u",
- (__u32)(nid >> 32), HIPQUAD(nid));
- break;
- case QSWNAL:
- case GMNAL:
- case IBNAL:
- case SCIMACNAL:
- snprintf(str, PTL_NALFMT_SIZE - 1, "%u:%u",
- (__u32)(nid >> 32), (__u32)nid);
- break;
- default:
- snprintf(str, PTL_NALFMT_SIZE - 1, "?%d? %llx",
- nal, (long long)nid);
- break;
- }
- return str;
-}
-
-void init_current(char *comm)
-{
- current = malloc(sizeof(*current));
- current->fs = malloc(sizeof(*current->fs));
- current->fs->umask = umask(0777);
- umask(current->fs->umask);
- strncpy(current->comm, comm, sizeof(current->comm));
- current->pid = getpid();
- current->fsuid = 0;
- current->fsgid = 0;
- current->cap_effective = -1;
- memset(¤t->pending, 0, sizeof(current->pending));
-}
-
-/* FIXME */
-void generate_random_uuid(unsigned char uuid_out[16])
-{
- int *arr = (int*)uuid_out;
- int i;
-
- for (i = 0; i < sizeof(uuid_out)/sizeof(int); i++)
- arr[i] = rand();
-}
-
-ptl_nid_t tcpnal_mynid;
-
-int init_lib_portals()
-{
- int max_interfaces;
- int rc;
- ENTRY;
-
- rc = PtlInit(&max_interfaces);
- if (rc != PTL_OK) {
- CERROR("PtlInit failed: %d\n", rc);
- RETURN (-ENXIO);
- }
- RETURN(0);
-}
-
-int
-libcfs_nal_cmd(struct portals_cfg *pcfg)
-{
- /* handle portals command if we want */
- return 0;
-}
-
-extern int class_handle_ioctl(unsigned int cmd, unsigned long arg);
-
-int lib_ioctl_nalcmd(int dev_id, unsigned int opc, void * ptr)
-{
- struct portal_ioctl_data *ptldata;
-
- if (opc == IOC_PORTAL_NAL_CMD) {
- ptldata = (struct portal_ioctl_data *) ptr;
-
- if (ptldata->ioc_nal_cmd == NAL_CMD_REGISTER_MYNID) {
- tcpnal_mynid = ptldata->ioc_nid;
- printf("mynid: %u.%u.%u.%u\n",
- (unsigned)(tcpnal_mynid>>24) & 0xFF,
- (unsigned)(tcpnal_mynid>>16) & 0xFF,
- (unsigned)(tcpnal_mynid>>8) & 0xFF,
- (unsigned)(tcpnal_mynid) & 0xFF);
- }
- }
-
- return (0);
-}
-
-int lib_ioctl(int dev_id, unsigned int opc, void * ptr)
-{
- int rc;
-
- if (dev_id == OBD_DEV_ID) {
- struct obd_ioctl_data *ioc = ptr;
+int slp_global_init(void);
- //XXX hack!!!
- ioc->ioc_plen1 = ioc->ioc_inllen1;
- ioc->ioc_pbuf1 = ioc->ioc_bulk;
- //XXX
-
- rc = class_handle_ioctl(opc, (unsigned long)ptr);
-
- printf ("proccssing ioctl cmd: %x, rc %d\n", opc, rc);
-
- if (rc)
- return rc;
- }
- return (0);
-}
-
-int lllib_init(char *dumpfile)
+static int lllib_init(void)
{
- if (!g_zconf) {
- /* this parse only get my nid from config file
- * before initialize portals
- */
- if (parse_dump(dumpfile, lib_ioctl_nalcmd))
- return -1;
- } else {
- /* XXX need setup mynid before tcpnal initialize */
- tcpnal_mynid = ((uint64_t)getpid() << 32) | time(0);
- printf("LibLustre: TCPNAL NID: %016llx\n", tcpnal_mynid);
- }
-
- init_current("dummy");
- if (init_obdclass() ||
+ if (liblustre_init_current("liblustre") ||
init_lib_portals() ||
+ init_obdclass() ||
ptlrpc_init() ||
+ mgc_init() ||
+ lmv_init() ||
mdc_init() ||
lov_init() ||
- osc_init())
- return -1;
-
- if (!g_zconf && parse_dump(dumpfile, lib_ioctl))
+ osc_init() ||
+ slp_global_init())
return -1;
- return _sysio_fssw_register("llite", &llu_fssw_ops);
-}
-
-#if 0
-static void llu_check_request()
-{
- liblustre_wait_event(0);
+ return _sysio_fssw_register("lustre", &llu_fssw_ops);
}
-#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("tcp");
- if (nal <= 0) {
- CERROR("Can't parse NAL tcp\n");
- 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);
- 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_parse_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);
-}
-static void sighandler_USR1(int signum)
-{
- /* do nothing */
+ 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;
}
-/* 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"
+/*
+ * early liblustre init
+ * called from C startup in catamount apps, before main()
+ *
+ * The following is a skeleton sysio startup sequence,
+ * as implemented in C startup (skipping error handling).
+ * In this framework none of these calls need be made here
+ * 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();
+ * _sysio_lustre_init();
+ * _sysio_boot(NAMESPACE_STRING);
+ *
+ * the name _sysio_lustre_init() follows the naming convention
+ * established in other fs drivers from libsysio:
+ * _sysio_incore_init(), _sysio_native_init()
+ *
+ * _sysio_lustre_init() must be called before _sysio_boot()
+ * to enable libsysio's processing of namespace init strings containing
+ * lustre filesystem operations
+ */
+int _sysio_lustre_init(void)
+{
+ int err;
+ char *envstr;
+#ifndef INIT_SYSIO
+ extern void __liblustre_cleanup_(void);
+#endif
+
+ liblustre_init_random();
-extern int _sysio_native_init();
+ 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;
+}
-extern unsigned int obd_timeout;
+extern int _sysio_native_init();
-/* global variables */
-int g_zconf = 0; /* zeroconf or dumpfile */
-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 *lustre_path = NULL;
char *target = NULL;
- char *timeout = NULL;
- char *dumpfile = NULL;
- char *root_driver = "native";
- char *lustre_driver = "llite";
- char *root_path = "/";
+ char *lustre_driver = "lustre";
unsigned mntflgs = 0;
+ int err, count;
- int err;
-
- /* consider tha case of starting multiple liblustre instances
- * at a same time on single node.
- */
- srand(time(NULL) + getpid());
-
- signal(SIGUSR1, sighandler_USR1);
-
- lustre_path = getenv(ENV_LUSTRE_MNTPNT);
- if (!lustre_path) {
+ lustre_path = getenv("LIBLUSTRE_MOUNT_POINT");
+ if (!lustre_path) {
lustre_path = "/mnt/lustre";
- }
+ }
- target = getenv(ENV_LUSTRE_MNTTGT);
- if (!target) {
- dumpfile = getenv(ENV_LUSTRE_DUMPFILE);
- if (!dumpfile) {
- CERROR("Neither mount target, nor dumpfile\n");
- exit(1);
- }
- g_zconf = 0;
- printf("LibLustre: mount point %s, dumpfile %s\n",
- lustre_path, dumpfile);
- } else {
- if (ll_parse_mount_target(target,
- &g_zconf_mdsnid,
- &g_zconf_mdsname,
- &g_zconf_profile)) {
- CERROR("mal-formed target %s \n", target);
- exit(1);
- }
- g_zconf = 1;
- printf("LibLustre: mount point %s, target %s\n",
- lustre_path, target);
+ target = getenv("LIBLUSTRE_MOUNT_RETRY");
+ if (target) {
+ mnt_retry = atoi(target);
+ if (mnt_retry < 0)
+ mnt_retry = 0;
}
- timeout = getenv(ENV_LUSTRE_TIMEOUT);
- if (timeout) {
- obd_timeout = (unsigned int) atoi(timeout);
- printf("LibLustre: set obd timeout as %u seconds\n",
- obd_timeout);
+ /* mount target */
+ target = getenv("LIBLUSTRE_MOUNT_TARGET");
+ if (!target) {
+ printf("LibLustre: no mount target specified\n");
+ exit(1);
}
- if (_sysio_init() != 0) {
- perror("init sysio");
- exit(1);
- }
+ CDEBUG(D_CONFIG, "LibLustre: mount point %s, target %s\n",
+ lustre_path, target);
- /* cygwin don't need native driver */
-#ifndef __CYGWIN__
+#ifdef INIT_SYSIO
+ /* initialize libsysio & mount rootfs */
+ if (_sysio_init()) {
+ perror("init sysio");
+ exit(1);
+ }
_sysio_native_init();
-#endif
-
- err = _sysio_mount_root(root_path, root_driver, mntflgs, NULL);
- if (err) {
- perror(root_driver);
- exit(1);
- }
-#if 1
- portal_debug = 0;
- portal_subsystem_debug = 0;
-#endif
- err = lllib_init(dumpfile);
- if (err) {
- perror("init llite driver");
- exit(1);
- }
-
- err = mount("/", lustre_path, lustre_driver, mntflgs, NULL);
- if (err) {
- errno = -err;
- perror(lustre_driver);
- exit(1);
- }
+ err = _sysio_mount_root("/", "native", mntflgs, NULL);
+ if (err) {
+ fprintf(stderr, "sysio mount failed: %s\n", strerror(errno));
+ exit(1);
+ }
-#if 0
- __sysio_hook_sys_enter = llu_check_request;
- __sysio_hook_sys_leave = NULL;
-#endif
+ if (_sysio_lustre_init())
+ 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)
{
- _sysio_shutdown();
- PtlFini();
+#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 "/".
+ */
+ 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 dilema lead to another hack in
+ * libsysio/src/file_hack.c FIXME
+ */
+#ifdef INIT_SYSIO
+ _sysio_shutdown();
+ cleanup_lib_portals();
+ LNetFini();
+#endif
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff