#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
+#include <fcntl.h>
#include <errno.h>
#include <string.h>
#include <sys/mount.h>
#include <mntent.h>
+#define _GNU_SOURCE
+#include <getopt.h>
+#include <sys/utsname.h>
+#include <pwd.h>
+#include <grp.h>
#include "obdctl.h"
#include <portals/ptlctl.h>
-
-int debug = 0;
-int verbose = 0;
-int nomtab = 0;
+#include <linux/lustre_idl.h>
+
+int debug;
+int verbose;
+int nomtab;
+int force;
+static char *progname = NULL;
+
+typedef struct {
+ ptl_nid_t gw;
+ ptl_nid_t lo;
+ ptl_nid_t hi;
+} llmount_route_t;
+
+#define MAX_ROUTES 1024
+int route_index;
+ptl_nid_t lmd_cluster_id = 0;
+llmount_route_t routes[MAX_ROUTES];
+
+static int check_mtab_entry(char *spec, char *mtpt, char *type)
+{
+ FILE *fp;
+ struct mntent *mnt;
+
+ if (!force) {
+ fp = setmntent(MOUNTED, "r");
+ if (fp == NULL)
+ return(0);
+
+ while ((mnt = getmntent(fp)) != NULL) {
+ if (strcmp(mnt->mnt_fsname, spec) == 0 &&
+ strcmp(mnt->mnt_dir, mtpt) == 0 &&
+ strcmp(mnt->mnt_type, type) == 0) {
+ fprintf(stderr, "%s: according to %s %s is "
+ "already mounted on %s\n",
+ progname, MOUNTED, spec, mtpt);
+ return(1); /* or should we return an error? */
+ }
+ }
+ endmntent(fp);
+ }
+ return(0);
+}
static void
-update_mtab_entry(char *spec, char *node, char *type, char *opts,
- int flags, int freq, int pass)
+update_mtab_entry(char *spec, char *mtpt, char *type, char *opts,
+ int flags, int freq, int pass)
{
FILE *fp;
struct mntent mnt;
mnt.mnt_fsname = spec;
- mnt.mnt_dir = node;
+ mnt.mnt_dir = mtpt;
mnt.mnt_type = type;
mnt.mnt_opts = opts ? opts : "";
mnt.mnt_freq = freq;
if (!nomtab) {
fp = setmntent(MOUNTED, "a+");
if (fp == NULL) {
- fprintf(stderr, "setmntent(%s): %s:", MOUNTED,
- strerror (errno));
+ fprintf(stderr, "%s: setmntent(%s): %s:",
+ progname, MOUNTED, strerror (errno));
} else {
if ((addmntent (fp, &mnt)) == 1) {
- fprintf(stderr, "addmntent: %s:",
- strerror (errno));
+ fprintf(stderr, "%s: addmntent: %s:",
+ progname, strerror (errno));
}
endmntent(fp);
}
int
init_options(struct lustre_mount_data *lmd)
{
- memset(lmd, 0, sizeof(lmd));
+ memset(lmd, 0, sizeof(*lmd));
+ lmd->lmd_magic = LMD_MAGIC;
lmd->lmd_server_nid = PTL_NID_ANY;
lmd->lmd_local_nid = PTL_NID_ANY;
lmd->lmd_port = 988; /* XXX define LUSTRE_DEFAULT_PORT */
lmd->lmd_nal = SOCKNAL;
+ lmd->lmd_async = 0;
+ lmd->lmd_remote_flag = 0;
+ lmd->lmd_nllu = NOBODY_UID;
+ lmd->lmd_nllg = NOBODY_GID;
+ strncpy(lmd->lmd_security, "null", sizeof(lmd->lmd_security));
return 0;
}
int
print_options(struct lustre_mount_data *lmd)
{
+ int i;
+
printf("mds: %s\n", lmd->lmd_mds);
printf("profile: %s\n", lmd->lmd_profile);
+ printf("sec_flavor: %s\n", lmd->lmd_security);
printf("server_nid: "LPX64"\n", lmd->lmd_server_nid);
- printf("local_nid: "LPX64"\n", lmd->lmd_local_nid);
- printf("nal: %d\n", lmd->lmd_nal);
- printf("server_ipaddr: 0x%x\n", lmd->lmd_server_ipaddr);
- printf("port: %d\n", lmd->lmd_port);
+#ifdef CRAY_PORTALS
+ if (lmd->lmd_nal != CRAY_KB_SSNAL) {
+#endif
+ printf("local_nid: "LPX64"\n", lmd->lmd_local_nid);
+#ifdef CRAY_PORTALS
+ }
+#endif
+ printf("nal: %x\n", lmd->lmd_nal);
+#ifdef CRAY_PORTALS
+ if (lmd->lmd_nal != CRAY_KB_SSNAL) {
+#endif
+ printf("server_ipaddr: 0x%x\n", lmd->lmd_server_ipaddr);
+ printf("port: %d\n", lmd->lmd_port);
+#ifdef CRAY_PORTALS
+ }
+#endif
+
+ for (i = 0; i < route_index; i++)
+ printf("route: "LPX64" : "LPX64" - "LPX64"\n",
+ routes[i].gw, routes[i].lo, routes[i].hi);
return 0;
}
-int
-parse_options(char * options, struct lustre_mount_data *lmd)
+static int parse_route(char *opteq, char *opttgts)
{
- ptl_nid_t nid = 0;
+ char *gw_lo_ptr, *gw_hi_ptr, *tgt_lo_ptr, *tgt_hi_ptr;
+ ptl_nid_t gw_lo, gw_hi, tgt_lo, tgt_hi;
+
+ opttgts[0] = '\0';
+ gw_lo_ptr = opteq + 1;
+ if (!(gw_hi_ptr = strchr(gw_lo_ptr, '-'))) {
+ gw_hi_ptr = gw_lo_ptr;
+ } else {
+ gw_hi_ptr[0] = '\0';
+ gw_hi_ptr++;
+ }
+
+ if (ptl_parse_nid(&gw_lo, gw_lo_ptr) != 0) {
+ fprintf(stderr, "%s: can't parse NID %s\n", progname,gw_lo_ptr);
+ return(-1);
+ }
+
+ if (ptl_parse_nid(&gw_hi, gw_hi_ptr) != 0) {
+ fprintf(stderr, "%s: can't parse NID %s\n", progname,gw_hi_ptr);
+ return(-1);
+ }
+
+ tgt_lo_ptr = opttgts + 1;
+ if (!(tgt_hi_ptr = strchr(tgt_lo_ptr, '-'))) {
+ tgt_hi_ptr = tgt_lo_ptr;
+ } else {
+ tgt_hi_ptr[0] = '\0';
+ tgt_hi_ptr++;
+ }
+
+ if (ptl_parse_nid(&tgt_lo, tgt_lo_ptr) != 0) {
+ fprintf(stderr, "%s: can't parse NID %s\n",progname,tgt_lo_ptr);
+ return(-1);
+ }
+
+ if (ptl_parse_nid(&tgt_hi, tgt_hi_ptr) != 0) {
+ fprintf(stderr, "%s: can't parse NID %s\n",progname,tgt_hi_ptr);
+ return(-1);
+ }
+
+ while (gw_lo <= gw_hi) {
+ if (route_index >= MAX_ROUTES) {
+ fprintf(stderr, "%s: to many routes %d\n",
+ progname, MAX_ROUTES);
+ return(-1);
+ }
+
+ routes[route_index].gw = gw_lo;
+ routes[route_index].lo = tgt_lo;
+ routes[route_index].hi = tgt_hi;
+ route_index++;
+ gw_lo++;
+ }
+
+ return(0);
+}
+
+/*
+ * here all what we do is gurantee the result is exactly
+ * what user intend to get, no ambiguous. maybe there have
+ * simpler library call could do the same job for us?
+ */
+static int parse_u32(char *str, uint32_t *res)
+{
+ unsigned long id;
+ char *endptr = NULL;
+
+ id = strtol(str, &endptr, 0);
+ if (endptr && *endptr != 0)
+ return -1;
+
+ if (id == LONG_MAX || id == LONG_MIN)
+ return -1;
+
+ if ((uint32_t)id != id)
+ return -1;
+
+ *res = (uint32_t) id;
+ return 0;
+}
+
+static int parse_nllu(struct lustre_mount_data *lmd, char *str_nllu)
+{
+ struct passwd *pass;
+
+ if (parse_u32(str_nllu, &lmd->lmd_nllu) == 0)
+ return 0;
+
+ pass = getpwnam(str_nllu);
+ if (pass == NULL)
+ return -1;
+
+ lmd->lmd_nllu = pass->pw_uid;
+ return 0;
+}
+
+static int parse_nllg(struct lustre_mount_data *lmd, char *str_nllg)
+{
+ struct group *grp;
+
+ if (parse_u32(str_nllg, &lmd->lmd_nllg) == 0)
+ return 0;
+
+ grp = getgrnam(str_nllg);
+ if (grp == NULL)
+ return -1;
+
+ lmd->lmd_nllg = grp->gr_gid;
+ return 0;
+}
+
+int parse_options(char * options, struct lustre_mount_data *lmd)
+{
+ ptl_nid_t nid = 0, cluster_id = 0;
int val;
- char *opt;
- char * opteq;
-
+ char *opt, *opteq, *opttgts;
+
/* parsing ideas here taken from util-linux/mount/nfsmount.c */
for (opt = strtok(options, ","); opt; opt = strtok(NULL, ",")) {
if ((opteq = strchr(opt, '='))) {
val = atoi(opteq + 1);
*opteq = '\0';
if (!strcmp(opt, "nettype")) {
- lmd->lmd_nal = ptl_name2nal(opteq+1);
- } else if(!strcmp(opt, "local_nid")) {
- if (ptl_parse_nid(&nid, opteq+1) != 0) {
- fprintf (stderr, "mount: "
+ lmd->lmd_nal = ptl_name2nal(opteq + 1);
+ if (lmd->lmd_nal < 0) {
+ fprintf(stderr, "%s: can't parse NET "
+ "%s\n", progname, opteq + 1);
+ return (-1);
+ }
+ } else if(!strcmp(opt, "cluster_id")) {
+ if (ptl_parse_nid(&cluster_id, opteq+1) != 0) {
+ fprintf (stderr, "%s: can't parse NID "
+ "%s\n", progname, opteq+1);
+ return (-1);
+ }
+ lmd_cluster_id = cluster_id;
+ } else if(!strcmp(opt, "route")) {
+ if (!(opttgts = strchr(opteq + 1, ':'))) {
+ fprintf(stderr, "%s: Route must be "
+ "of the form: route="
+ "<gw>[-<gw>]:<low>[-<high>]\n",
+ progname);
+ return(-1);
+ }
+ parse_route(opteq, opttgts);
+ } else if (!strcmp(opt, "local_nid")) {
+ if (ptl_parse_nid(&nid, opteq + 1) != 0) {
+ fprintf (stderr, "%s: "
"can't parse NID %s\n",
+ progname,
opteq+1);
return (-1);
}
lmd->lmd_local_nid = nid;
- } else if(!strcmp(opt, "server_nid")) {
- if (ptl_parse_nid(&nid, opteq+1) != 0) {
- fprintf (stderr, "mount: "
+ } else if (!strcmp(opt, "server_nid")) {
+ if (ptl_parse_nid(&nid, opteq + 1) != 0) {
+ fprintf (stderr, "%s: "
"can't parse NID %s\n",
- opteq+1);
+ progname, opteq + 1);
return (-1);
}
lmd->lmd_server_nid = nid;
} else if (!strcmp(opt, "port")) {
lmd->lmd_port = val;
+ } else if (!strcmp(opt, "sec")) {
+ strncpy(lmd->lmd_security, opteq + 1,
+ sizeof(lmd->lmd_security));
+ } else if (!strcmp(opt, "nllu")) {
+ if (parse_nllu(lmd, opteq + 1)) {
+ fprintf(stderr, "%s: "
+ "can't parse user: %s\n",
+ progname, opteq + 1);
+ return (-1);
+ }
+ } else if (!strcmp(opt, "nllg")) {
+ if (parse_nllg(lmd, opteq + 1)) {
+ fprintf(stderr, "%s: "
+ "can't parse group: %s\n",
+ progname, opteq + 1);
+ return (-1);
+ }
}
} else {
- val = 1;
- if (!strncmp(opt, "no", 2)) {
- val = 0;
- opt += 2;
- }
- if (!strcmp(opt, "debug")) {
- debug = val;
+ if (!strcmp(opt, "remote")) {
+ lmd->lmd_remote_flag = OBD_CONNECT_REMOTE;
+ } else if (!strcmp(opt, "local")) {
+ lmd->lmd_remote_flag = OBD_CONNECT_LOCAL;
+ } else if (!strcmp(opt, "async")) {
+ lmd->lmd_async = 1;
+ } else {
+ val = 1;
+ if (!strncmp(opt, "no", 2)) {
+ val = 0;
+ opt += 2;
+ }
+ if (!strcmp(opt, "debug")) {
+ debug = val;
+ }
}
}
}
}
int
+get_local_elan_id(char *fname, char *buf)
+{
+ FILE *fp = fopen(fname, "r");
+ int rc;
+
+ if (fp == NULL)
+ return -1;
+
+ rc = fscanf(fp, "NodeId %255s", buf);
+
+ fclose(fp);
+
+ return (rc == 1) ? 0 : -1;
+}
+
+int
set_local(struct lustre_mount_data *lmd)
{
+ /* XXX ClusterID?
+ * XXX PtlGetId() will be safer if portals is loaded and
+ * initialised correctly at this time... */
char buf[256];
ptl_nid_t nid;
int rc;
memset(buf, 0, sizeof(buf));
- if (lmd->lmd_nal == SOCKNAL || lmd->lmd_nal == TCPNAL) {
+ switch (lmd->lmd_nal) {
+ default:
+ fprintf(stderr, "%s: Unknown network type: %d\n",
+ progname, lmd->lmd_nal);
+ return 1;
+
+#if CRAY_PORTALS
+ case CRAY_KB_SSNAL:
+ return 0;
+
+ case CRAY_KB_ERNAL:
+#else
+ case SOCKNAL:
+ case TCPNAL:
+ case OPENIBNAL:
+ case IIBNAL:
+ case VIBNAL:
+ case RANAL:
+#endif
+ {
+ struct utsname uts;
+
rc = gethostname(buf, sizeof(buf) - 1);
if (rc) {
- fprintf (stderr, "mount: can't get local buf:"
- "%d\n", rc);
+ fprintf(stderr, "%s: can't get hostname: %s\n",
+ progname, strerror(rc));
return rc;
}
- } else if (lmd->lmd_nal == QSWNAL) {
- FILE *fp;
- fp = fopen("/proc/elan/device0/position", "r");
- if (fp == NULL) {
- perror("mount: /proc/elan/device0/position");
- return -1;
+
+ rc = uname(&uts);
+ /* for 2.6 kernels, reserve at least 8MB free, or we will
+ * go OOM during heavy read load */
+ if (rc == 0 && strncmp(uts.release, "2.6", 3) == 0) {
+ int f, minfree = 32768;
+ char name[40], val[40];
+ FILE *meminfo;
+
+ meminfo = fopen("/proc/meminfo", "r");
+ if (meminfo != NULL) {
+ while (fscanf(meminfo, "%s %s %*s\n", name, val) != EOF) {
+ if (strcmp(name, "MemTotal:") == 0) {
+ f = strtol(val, NULL, 0);
+ if (f > 0 && f < 8 * minfree)
+ minfree = f / 16;
+ break;
+ }
+ }
+ fclose(meminfo);
+ }
+ f = open("/proc/sys/vm/min_free_kbytes", O_WRONLY);
+ if (f >= 0) {
+ sprintf(val, "%d", minfree);
+ write(f, val, strlen(val));
+ close(f);
+ }
}
- rc = fscanf(fp, "%*s %255s", buf);
- fclose(fp);
- if (rc != 1) {
- fprintf(stderr, "mount: problem read elan NID");
+ break;
+ }
+#if !CRAY_PORTALS
+ case QSWNAL:
+ {
+ char *pfiles[] = {"/proc/qsnet/elan3/device0/position",
+ "/proc/qsnet/elan4/device0/position",
+ "/proc/elan/device0/position",
+ NULL};
+ int i = 0;
+
+ do {
+ rc = get_local_elan_id(pfiles[i], buf);
+ } while (rc != 0 && pfiles[++i] != NULL);
+
+ if (rc != 0) {
+ fprintf(stderr, "%s: can't read Elan ID from /proc\n",
+ progname);
+
return -1;
}
-
+ break;
+ }
+#endif
}
if (ptl_parse_nid (&nid, buf) != 0) {
- fprintf (stderr, "mount: can't parse NID %s\n",
- buf);
+ fprintf (stderr, "%s: can't parse NID %s\n", progname, buf);
return (-1);
}
- lmd->lmd_local_nid = nid;
+ lmd->lmd_local_nid = nid + lmd_cluster_id;
return 0;
}
ptl_nid_t nid = 0;
int rc;
- if (lmd->lmd_nal == SOCKNAL || lmd->lmd_nal == TCPNAL) {
+ switch (lmd->lmd_nal) {
+ default:
+ fprintf(stderr, "%s: Unknown network type: %d\n",
+ progname, lmd->lmd_nal);
+ return 1;
+
+#if CRAY_PORTALS
+ case CRAY_KB_SSNAL:
+ lmd->lmd_server_nid = strtoll(hostname,0,0);
+ return 0;
+
+ case CRAY_KB_ERNAL:
+#else
+ case IIBNAL:
+ if (lmd->lmd_server_nid != PTL_NID_ANY)
+ break;
+ if (ptl_parse_nid (&nid, hostname) != 0) {
+ fprintf (stderr, "%s: can't parse NID %s\n",
+ progname, hostname);
+ return (1);
+ }
+ lmd->lmd_server_nid = nid;
+ break;
+
+ case SOCKNAL:
+ case TCPNAL:
+ case OPENIBNAL:
+ case VIBNAL:
+ case RANAL:
+#endif
if (lmd->lmd_server_nid == PTL_NID_ANY) {
if (ptl_parse_nid (&nid, hostname) != 0) {
- fprintf (stderr, "mount: can't parse NID %s\n",
- hostname);
- return (-1);
+ fprintf (stderr, "%s: can't parse NID %s\n",
+ progname, hostname);
+ return (1);
}
lmd->lmd_server_nid = nid;
}
if (ptl_parse_ipaddr(&lmd->lmd_server_ipaddr, hostname) != 0) {
- fprintf (stderr, "mount: can't parse host %s\n",
- hostname);
+ fprintf (stderr, "%s: can't parse host %s\n",
+ progname, hostname);
return (-1);
}
- } else if (lmd->lmd_nal == QSWNAL) {
+
+ break;
+
+#if !CRAY_PORTALS
+ case QSWNAL: {
char buf[64];
+ if (lmd->lmd_server_nid != PTL_NID_ANY)
+ break;
+
rc = sscanf(hostname, "%*[^0-9]%63[0-9]", buf);
if (rc != 1) {
- fprintf (stderr, "mount: can't get elan id from host %s\n",
- hostname);
+ fprintf (stderr, "%s: can't get elan id from host %s\n",
+ progname, hostname);
return -1;
}
if (ptl_parse_nid (&nid, buf) != 0) {
- fprintf (stderr, "mount: can't parse NID %s\n",
- hostname);
+ fprintf (stderr, "%s: can't parse NID %s\n",
+ progname, hostname);
return (-1);
}
lmd->lmd_server_nid = nid;
- }
-
+ break;
+ }
+#endif
+ }
return 0;
}
int
build_data(char *source, char *options, struct lustre_mount_data *lmd)
{
- char target[1024];
- char *hostname = NULL;
- char *mds = NULL;
- char *profile = NULL;
- char *s;
+ char buf[1024];
+ char *hostname = NULL, *mds = NULL, *profile = NULL, *s;
int rc;
- if (strlen(source) > sizeof(target) + 1) {
- fprintf(stderr, "mount: "
- "exessively long host:/mds/profile argument\n");
- return -EINVAL;
+ if (lmd_bad_magic(lmd))
+ return 4;
+
+ if (strlen(source) > sizeof(buf) + 1) {
+ fprintf(stderr, "%s: host:/mds/profile argument too long\n",
+ progname);
+ return 1;
}
- strcpy(target, source);
- if ((s = strchr(target, ':'))) {
- hostname = target;
+ strcpy(buf, source);
+ if ((s = strchr(buf, ':'))) {
+ hostname = buf;
*s = '\0';
while (*++s == '/')
*s = '\0';
profile = s + 1;
} else {
- fprintf(stderr, "mount: "
- "directory to mount not in "
- "host:/mds/profile format\n");
- return(-1);
+ fprintf(stderr, "%s: directory to mount not in "
+ "host:/mds/profile format\n",
+ progname);
+ return(1);
}
} else {
- fprintf(stderr, "mount: "
- "directory to mount not in host:/mds/profile format\n");
- return(-1);
+ fprintf(stderr, "%s: "
+ "directory to mount not in host:/mds/profile format\n",
+ progname);
+ return(1);
}
- if (verbose)
- printf("host: %s\nmds: %s\nprofile: %s\n", hostname, mds,
- profile);
rc = parse_options(options, lmd);
if (rc)
if (rc)
return rc;
if (strlen(mds) > sizeof(lmd->lmd_mds) + 1) {
- fprintf(stderr, "mount: mds name too long\n");
- return(-1);
+ fprintf(stderr, "%s: mds name too long\n", progname);
+ return(1);
}
strcpy(lmd->lmd_mds, mds);
if (strlen(profile) > sizeof(lmd->lmd_profile) + 1) {
- fprintf(stderr, "mount: profile name too long\n");
- return(-1);
+ fprintf(stderr, "%s: profile name too long\n", progname);
+ return(1);
}
strcpy(lmd->lmd_profile, profile);
-
if (verbose)
print_options(lmd);
return 0;
}
-int
-main(int argc, char * const argv[])
-{
- char * source = argv[1];
- char * target = argv[2];
- char * options = "";
- int opt;
- int i;
- struct lustre_mount_data lmd;
+static int set_routes(struct lustre_mount_data *lmd) {
+ struct portals_cfg pcfg;
+ struct portal_ioctl_data data;
+ int i, j, route_exists, rc, err = 0;
+
+ register_ioc_dev(PORTALS_DEV_ID, PORTALS_DEV_PATH);
+
+ for (i = 0; i < route_index; i++) {
+
+ /* Check for existing routes so as not to add duplicates */
+ for (j = 0; ; j++) {
+ PCFG_INIT(pcfg, NAL_CMD_GET_ROUTE);
+ pcfg.pcfg_nal = ROUTER;
+ pcfg.pcfg_count = j;
+
+ PORTAL_IOC_INIT(data);
+ data.ioc_pbuf1 = (char*)&pcfg;
+ data.ioc_plen1 = sizeof(pcfg);
+ data.ioc_nid = pcfg.pcfg_nid;
+
+ rc = l_ioctl(PORTALS_DEV_ID, IOC_PORTAL_NAL_CMD, &data);
+ if (rc != 0) {
+ route_exists = 0;
+ break;
+ }
+
+ if ((pcfg.pcfg_gw_nal == lmd->lmd_nal) &&
+ (pcfg.pcfg_nid == routes[i].gw) &&
+ (pcfg.pcfg_nid2 == routes[i].lo) &&
+ (pcfg.pcfg_nid3 == routes[i].hi)) {
+ route_exists = 1;
+ break;
+ }
+ }
+
+ if (route_exists)
+ continue;
+
+ PCFG_INIT(pcfg, NAL_CMD_ADD_ROUTE);
+ pcfg.pcfg_nid = routes[i].gw;
+ pcfg.pcfg_nal = ROUTER;
+ pcfg.pcfg_gw_nal = lmd->lmd_nal;
+ pcfg.pcfg_nid2 = MIN(routes[i].lo, routes[i].hi);
+ pcfg.pcfg_nid3 = MAX(routes[i].lo, routes[i].hi);
+
+ PORTAL_IOC_INIT(data);
+ data.ioc_pbuf1 = (char*)&pcfg;
+ data.ioc_plen1 = sizeof(pcfg);
+ data.ioc_nid = pcfg.pcfg_nid;
+
+ rc = l_ioctl(PORTALS_DEV_ID, IOC_PORTAL_NAL_CMD, &data);
+ if (rc != 0) {
+ fprintf(stderr, "%s: Unable to add route "
+ LPX64" : "LPX64" - "LPX64"\n[%d] %s\n",
+ progname, routes[i].gw, routes[i].lo,
+ routes[i].hi, errno, strerror(errno));
+ err = -1;
+ break;
+ }
+ }
+
+ unregister_ioc_dev(PORTALS_DEV_ID);
+ return err;
+}
- int rc;
+void usage(FILE *out)
+{
+ fprintf(out, "usage: %s <source> <target> [-f] [-v] [-n] [-o mntopt]\n",
+ progname);
+ exit(out != stdout);
+}
- while ((opt = getopt(argc, argv, "vno:")) != EOF) {
+int main(int argc, char *const argv[])
+{
+ char *source, *target, *options = "";
+ int i, nargs = 3, opt, rc;
+ struct lustre_mount_data lmd;
+ static struct option long_opt[] = {
+ {"force", 0, 0, 'f'},
+ {"help", 0, 0, 'h'},
+ {"nomtab", 0, 0, 'n'},
+ {"options", 1, 0, 'o'},
+ {"verbose", 0, 0, 'v'},
+ {0, 0, 0, 0}
+ };
+
+ progname = strrchr(argv[0], '/');
+ progname = progname ? progname + 1 : argv[0];
+
+ while ((opt = getopt_long(argc, argv, "fno:v", long_opt, NULL)) != EOF){
switch (opt) {
- case 'v':
- verbose = 1;
- printf("verbose: %d\n", verbose);
+ case 'f':
+ ++force;
+ printf("force: %d\n", force);
+ nargs++;
+ break;
+ case 'h':
+ usage(stdout);
break;
case 'n':
- nomtab = 1;
+ ++nomtab;
printf("nomtab: %d\n", nomtab);
+ nargs++;
break;
case 'o':
options = optarg;
+ nargs++;
+ break;
+ case 'v':
+ ++verbose;
+ printf("verbose: %d\n", verbose);
+ nargs++;
break;
default:
+ fprintf(stderr, "%s: unknown option '%c'\n",
+ progname, opt);
+ usage(stderr);
break;
}
}
- if (verbose)
- for (i = 0; i < argc; i++) {
+ if (optind + 2 > argc) {
+ fprintf(stderr, "%s: too few arguments\n", progname);
+ usage(stderr);
+ }
+
+ source = argv[optind];
+ target = argv[optind + 1];
+
+ if (verbose) {
+ for (i = 0; i < argc; i++)
printf("arg[%d] = %s\n", i, argv[i]);
- }
+ printf("source = %s, target = %s\n", source, target);
+ }
+
+ if (check_mtab_entry(source, target, "lustre"))
+ exit(32);
init_options(&lmd);
rc = build_data(source, options, &lmd);
if (rc) {
- exit(1);
+ exit(rc);
+ }
+
+ rc = set_routes(&lmd);
+ if (rc) {
+ exit(rc);
}
if (debug) {
- printf("mount: debug mode, not mounting\n");
+ printf("%s: debug mode, not mounting\n", progname);
exit(0);
}
+ rc = access(target, F_OK);
+ if (rc) {
+ rc = errno;
+ fprintf(stderr, "%s: %s inaccessible: %s\n", progname, target,
+ strerror(errno));
+ return rc;
+ }
+
rc = mount(source, target, "lustre", 0, (void *)&lmd);
if (rc) {
+ rc = errno;
perror(argv[0]);
- } else {
- update_mtab_entry(source, target, "lustre", options, 0, 0, 0);
+ fprintf(stderr, "%s: mount(%s, %s) failed: %s\n", source,
+ target, progname, strerror(errno));
+ if (rc == ENODEV)
+ fprintf(stderr, "Are the lustre modules loaded?\n"
+ "Check /etc/modules.conf and /proc/filesystems\n");
+ return 2;
}
- return rc;
+ update_mtab_entry(source, target, "lustre", options, 0, 0, 0);
+ return 0;
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff