*
* Lustre Light common routines
*
- * Copyright (c) 2002, 2003 Cluster File Systems, Inc.
+ * Copyright (c) 2002-2004 Cluster File Systems, Inc.
*
* This file is part of Lustre, http://www.lustre.org.
*
#include <sys/types.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>
+#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 <portals/ptlctl.h> /* needed for parse_dump */
-#include <procbridge.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:
- sprintf(str, "%u:%d.%d.%d.%d", (__u32)(nid >> 32),
- HIPQUAD(nid));
- break;
- case QSWNAL:
- case GMNAL:
- case IBNAL:
- case SCIMACNAL:
- sprintf(str, "%u:%u", (__u32)(nid >> 32), (__u32)nid);
- break;
- default:
- return NULL;
- }
- 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, 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, int opc, void * ptr)
-{
- int rc;
-
- if (dev_id == OBD_DEV_ID) {
- struct obd_ioctl_data *ioc = ptr;
-
- //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);
- }
+ liblustre_set_nal_nid();
- init_current("dummy");
- if (init_obdclass() ||
+ if (liblustre_init_current("dummy") ||
+ init_obdclass() ||
init_lib_portals() ||
ptlrpc_init() ||
mdc_init() ||
osc_init())
return -1;
- if (!g_zconf && parse_dump(dumpfile, lib_ioctl))
- return -1;
-
return _sysio_fssw_register("llite", &llu_fssw_ops);
}
-#if 0
-static void llu_check_request()
-{
- liblustre_wait_event(0);
-}
+#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)
RETURN(-EINVAL);
}
- nal = ptl_name2nal("tcp");
+ nal = ptl_name2nal(LIBLUSTRE_NAL_NAME);
if (nal <= 0) {
- CERROR("Can't parse NAL tcp\n");
+ CERROR("Can't parse NAL %s\n", LIBLUSTRE_NAL_NAME);
RETURN(-EINVAL);
}
- LCFG_INIT(lcfg, LCFG_ADD_UUID, NULL);
+ LCFG_INIT(lcfg, LCFG_ADD_UUID, name);
lcfg.lcfg_nid = nid;
lcfg.lcfg_inllen1 = strlen(peer) + 1;
lcfg.lcfg_inlbuf1 = peer;
strlen("initial_recov"), "initial_recov",
sizeof(allow_recov), &allow_recov);
- err = obd_connect(&mdc_conn, obd, &mdc_uuid);
+ err = obd_connect(&mdc_conn, obd, &mdc_uuid, 0);
if (err) {
CERROR("cannot connect to %s: rc = %d\n",
g_zconf_mdsname, err);
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);
- if (rc) {
- CERROR("class_config_parse_llog failed: rc = %d\n", rc);
- }
+ rc = class_config_process_llog(ctxt, g_zconf_profile, cfg);
+ if (rc)
+ CERROR("class_config_process_llog failed: rc = %d\n", rc);
err = obd_disconnect(exp, 0);
RETURN(rc);
}
-static void sighandler_USR1(int signum)
-{
- /* do nothing */
-}
-
/* parse host:/mdsname/profile string */
int ll_parse_mount_target(const char *target, char **mdsnid,
char **mdsname, char **profile)
return -1;
}
+/*
+ * 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;
+
+#if 0
+ portal_debug = -1;
+ portal_subsystem_debug = -1;
+#endif
+
+ liblustre_init_random();
+
+ err = lllib_init();
+ if (err) {
+ perror("init llite driver");
+ }
+ 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 */
-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 */
void __liblustre_setup_(void)
{
- char *lustre_path = NULL;
char *target = NULL;
char *timeout = NULL;
- char *dumpfile = NULL;
+ char *debug_mask = NULL;
+ char *debug_subsys = NULL;
char *root_driver = "native";
char *lustre_driver = "llite";
char *root_path = "/";
unsigned mntflgs = 0;
-
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 = "/mnt/lustre";
}
+ /* mount target */
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);
+ 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) atoi(timeout);
+ obd_timeout = (unsigned int) strtol(timeout, NULL, 0);
printf("LibLustre: set obd timeout as %u seconds\n",
obd_timeout);
}
- if (_sysio_init() != 0) {
+ /* 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
+ /* initialize libsysio & mount rootfs */
+ if (_sysio_init()) {
perror("init sysio");
exit(1);
}
-
- /* cygwin don't need native driver */
-#ifndef __CYGWIN__
_sysio_native_init();
-#endif
err = _sysio_mount_root(root_path, root_driver, mntflgs, NULL);
if (err) {
exit(1);
}
-#if 1
- portal_debug = 0;
- portal_subsystem_debug = 0;
-#endif
- err = lllib_init(dumpfile);
- if (err) {
- perror("init llite driver");
+ if (_sysio_lustre_init())
exit(1);
- }
+#endif
err = mount("/", lustre_path, lustre_driver, mntflgs, NULL);
if (err) {
perror(lustre_driver);
exit(1);
}
-
-#if 0
- __sysio_hook_sys_enter = llu_check_request;
- __sysio_hook_sys_leave = NULL;
-#endif
}
void __liblustre_cleanup_(void)
{
- _sysio_shutdown();
+ /* 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 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
+ * libsysio/src/file_hack.c FIXME
+ */
+ _sysio_shutdown();
+ cleanup_lib_portals();
PtlFini();
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff