/* For dirname() */
#include <libgen.h>
+#include <poll.h>
#include <lnet/api-support.h>
#include <lnet/lnetctl.h>
static int lfs_cp(int argc, char **argv);
static int lfs_ls(int argc, char **argv);
static int lfs_poollist(int argc, char **argv);
+static int lfs_changelog(int argc, char **argv);
+static int lfs_changelog_clear(int argc, char **argv);
+static int lfs_fid2path(int argc, char **argv);
static int lfs_path2fid(int argc, char **argv);
/* all avaialable commands */
"To list the striping info for a given file or files in a\n"
"directory or recursively for all files in a directory tree.\n"
"usage: getstripe [--obd|-O <uuid>] [--quiet | -q] [--verbose | -v]\n"
+ " [--count | -c ] [--size | -s ] [--index | -i ]\n"
+ " [--offset | -o ] [--pool | -p ]\n"
" [--recursive | -r] <dir|file> ..."},
- {"poollist", lfs_poollist, 0,
+ {"pool_list", lfs_poollist, 0,
"List pools or pool OSTs\n"
- "usage: poollist <fsname>[.<poolname>] | <pathname>\n"},
+ "usage: pool_list <fsname>[.<poolname>] | <pathname>\n"},
{"find", lfs_find, 0,
"To find files that match given parameters recursively in a directory tree.\n"
"usage: find <dir|file> ... \n"
{"ls", lfs_ls, 0,
"Remote user list directory contents.\n"
"usage: ls [OPTION]... [FILE]..."},
+ {"changelog", lfs_changelog, 0,
+ "Show the metadata changes on an MDT."
+ "\nusage: changelog [--follow] <mdtname> [startrec [endrec]]"
+ "\n(note: --follow is only valid when run on MDT node)"},
+ {"changelog_clear", lfs_changelog_clear, 0,
+ "Indicate that old changelog records up to <endrec> are no longer of "
+ "interest to consumer <id>, allowing the system to free up space.\n"
+ "An <endrec> of 0 means all records.\n"
+ "usage: changelog_clear <mdtname> <id> <endrec>"},
+ {"fid2path", lfs_fid2path, 0,
+ "Resolve the full path to a given FID. For a specific hardlink "
+ "specify link number <linkno>.\n"
+ /* "For a historical name, specify changelog record <recno>.\n" */
+ "usage: fid2path <fsname|rootpath> <fid> [--link <linkno>]"
+ /*[--rec <recno>]*/},
{"path2fid", lfs_path2fid, 0, "Display the fid for a given path.\n"
"usage: path2fid <path>"},
{"help", Parser_help, 0, "help"},
time(&t);
optind = 0;
- /* when getopt_long_only() hits '!' it returns 1 and puts "!" in optarg */
- while ((c = getopt_long_only(argc, argv, "-A:C:D:g:G:M:n:PpO:qrs:t:u:U:v",
+ /* when getopt_long_only() hits '!' it returns 1, puts "!" in optarg */
+ while ((c = getopt_long_only(argc,argv,"-A:C:D:g:G:M:n:PpO:qrs:t:u:U:v",
long_opts, NULL)) >= 0) {
xtime = NULL;
xsign = NULL;
{"obd", 1, 0, 'O'},
{"quiet", 0, 0, 'q'},
{"recursive", 0, 0, 'r'},
+ {"count", 0, 0, 'c'},
+ {"size", 0, 0, 's'},
+ {"index", 0, 0, 'i'},
+ {"offset", 0, 0, 'o'},
+ {"pool", 0, 0, 'p'},
{"verbose", 0, 0, 'v'},
{0, 0, 0, 0}
};
- char short_opts[] = "hO:qrv";
+ char short_opts[] = "hO:qrvcsiop";
int c, rc;
struct find_param param = { 0 };
break;
case 'q':
param.quiet++;
- param.verbose = 0;
break;
case 'r':
param.recursive = 1;
break;
case 'v':
- param.verbose++;
+ param.verbose = VERBOSE_ALL | VERBOSE_DETAIL;
param.quiet = 0;
break;
+ case 'c':
+ param.verbose |= VERBOSE_COUNT;
+ break;
+ case 's':
+ param.verbose |= VERBOSE_SIZE;
+ break;
+ case 'i':
+ case 'o':
+ param.verbose |= VERBOSE_OFFSET;
+ break;
+ case 'p':
+ param.verbose |= VERBOSE_POOL;
+ break;
case '?':
return CMD_HELP;
default:
return rc;
}
-static int lfs_path2fid(int argc, char **argv)
-{
- char *path;
- unsigned long long seq;
- unsigned long oid, ver;
- int rc;
-
- if (argc != 2)
- return CMD_HELP;
-
- path = argv[1];
- rc = llapi_path2fid(path, &seq, &oid, &ver);
- if (rc) {
- fprintf(stderr, "error: can't get fid for %s\n", path);
- return rc;
- }
-
- printf("%llu:%lu", seq, oid);
- if (ver)
- printf(":%lu", ver);
-
- printf("\n");
-
- return 0;
-}
-
#define COOK(value) \
({ \
int radix = 0; \
return -1;
}
- rc = llapi_target_check(num_types, obd_types, mnt->mnt_dir);
+ rc = llapi_target_iterate(num_types, obd_types,
+ mnt->mnt_dir, llapi_ping_target);
if (rc)
fprintf(stderr, "error: %s: %s status failed\n",
mnt = argv[optind];
- memset(&qctl, 0, sizeof(qctl));
- qctl.qc_cmd = LUSTRE_Q_QUOTAOFF;
- qctl.qc_type = check_type;
- rc = llapi_quotactl(mnt, &qctl);
- if (rc) {
- fprintf(stderr, "quota off failed: %s\n", strerror(errno));
- return rc;
- }
-
rc = llapi_quotacheck(mnt, check_type);
if (rc) {
fprintf(stderr, "quotacheck failed: %s\n", strerror(errno));
qctl.qc_cmd = LUSTRE_Q_QUOTAON;
qctl.qc_type = check_type;
rc = llapi_quotactl(mnt, &qctl);
- if (rc) {
+ if (rc && errno != EALREADY) {
if (*obd_type)
fprintf(stderr, "%s %s ", (char *)qctl.obd_type,
obd_uuid2str(&qctl.obd_uuid));
rc = llapi_quotactl(mnt, &qctl);
if (rc) {
- if (*obd_type)
- fprintf(stderr, "%s %s ", obd_type,
- obd_uuid2str(&qctl.obd_uuid));
- fprintf(stderr, "%s failed: %s\n", argv[0], strerror(errno));
- return rc;
+ if (errno == EALREADY) {
+ fprintf(stderr, "\n%s quotas are enabled already.\n",
+ qctl.qc_type == 0x02 ? "user/group" :
+ (qctl.qc_type == 0x00 ? "user" : "group"));
+ rc = 0;
+ } else {
+ if (*obd_type)
+ fprintf(stderr, "%s %s ", obd_type,
+ obd_uuid2str(&qctl.obd_uuid));
+ fprintf(stderr, "%s failed: %s\n", argv[0],
+ strerror(errno));
+ }
}
- return 0;
+ return rc;
}
static int lfs_quotaoff(int argc, char **argv)
mnt = argv[optind];
rc = llapi_quotactl(mnt, &qctl);
- if (rc == -1 && errno == ESRCH) {
- fprintf(stderr, "\n%s quotas are not enabled.\n",
- qctl.qc_type == 0x00 ? "user" : "group");
- return 0;
- }
if (rc) {
- if (*obd_type)
- fprintf(stderr, "%s %s ", obd_type,
- obd_uuid2str(&qctl.obd_uuid));
- fprintf(stderr, "quotaoff failed: %s\n", strerror(errno));
- return rc;
+ if (errno == EALREADY) {
+ fprintf(stderr, "\n%s quotas are disabled already.\n",
+ qctl.qc_type == 0x02 ? "user/group" :
+ (qctl.qc_type == 0x00 ? "user" : "group"));
+ rc = 0;
+ } else {
+ if (*obd_type)
+ fprintf(stderr, "%s %s ", obd_type,
+ obd_uuid2str(&qctl.obd_uuid));
+ fprintf(stderr, "quotaoff failed: %s\n",
+ strerror(errno));
+ }
}
- return 0;
+ return rc;
}
static int lfs_quotainv(int argc, char **argv)
return CMD_HELP;
}
+ if (limit_mask == 0) {
+ fprintf(stderr, "error: at least one limit must be specified\n");
+ return CMD_HELP;
+ }
+
if (optind != argc - 1) {
fprintf(stderr, "error: unexpected parameters encountered\n");
return CMD_HELP;
"files", "quota", "limit", "grace");
}
-static void print_quota(char *mnt, struct if_quotactl *qctl)
+static void print_quota(char *mnt, struct if_quotactl *qctl, int type, int rc)
{
time_t now;
if (bover)
diff2str(dqb->dqb_btime, timebuf, now);
- sprintf(numbuf[0], (dqb->dqb_valid & QIF_SPACE) ?
- LPU64 : "["LPU64"]", toqb(dqb->dqb_curspace));
- if (qctl->qc_valid == QC_GENERAL)
+ if (rc == -1 && errno == EREMOTEIO)
+ sprintf(numbuf[0], LPU64"*",
+ toqb(dqb->dqb_curspace));
+ else
+ sprintf(numbuf[0],
+ (dqb->dqb_valid & QIF_SPACE) ?
+ LPU64 : "["LPU64"]",
+ toqb(dqb->dqb_curspace));
+ if (type == QC_GENERAL)
sprintf(numbuf[1], (dqb->dqb_valid & QIF_BLIMITS)
? LPU64 : "["LPU64"]",
dqb->dqb_bsoftlimit);
sprintf(numbuf[0], (dqb->dqb_valid & QIF_INODES) ?
LPU64 : "["LPU64"]", dqb->dqb_curinodes);
- if (qctl->qc_valid == QC_GENERAL)
+ if (type == QC_GENERAL)
sprintf(numbuf[1], (dqb->dqb_valid & QIF_ILIMITS)
? LPU64 : "["LPU64"]",
dqb->dqb_isoftlimit);
sprintf(numbuf[1], "%s", "");
sprintf(numbuf[2], (dqb->dqb_valid & QIF_ILIMITS) ?
LPU64 : "["LPU64"]", dqb->dqb_ihardlimit);
- if (qctl->qc_valid != QC_OSTIDX)
+ if (type != QC_OSTIDX)
printf(" %7s%c %6s %7s %7s",
numbuf[0], iover ? '*' : ' ', numbuf[1],
numbuf[2], iover > 1 ? timebuf : "");
continue;
}
- print_quota(obd_uuid2str(&qctl->obd_uuid), qctl);
+ print_quota(obd_uuid2str(&qctl->obd_uuid), qctl, qctl->qc_valid, 0);
}
out:
(qctl.qc_type == USRQUOTA) ? USER : GROUP);
if (rc)
name = "<unknown>";
+ /* lfs quota -u username /path/to/lustre/mount */
} else if (qctl.qc_cmd == LUSTRE_Q_GETQUOTA) {
- if (optind + 2 != argc) {
+ /* options should be followed by u/g-name and mntpoint */
+ if (optind + 2 != argc || qctl.qc_type == UGQUOTA) {
fprintf(stderr, "error: missing quota argument(s)\n");
return CMD_HELP;
}
name, strerror(errno));
return CMD_HELP;
}
- } else if (optind + 1 != argc) {
+ } else if (optind + 1 != argc || qctl.qc_type == UGQUOTA) {
fprintf(stderr, "error: missing quota info argument(s)\n");
return CMD_HELP;
}
mnt = argv[optind];
rc1 = llapi_quotactl(mnt, &qctl);
- if (rc1 == -1 && errno == ESRCH) {
- fprintf(stderr, "\n%s quotas are not enabled.\n",
+ if (rc1 == -1 && errno == EALREADY) {
+ fprintf(stderr, "\n%s quotas are not enabled.\n",
qctl.qc_type == USRQUOTA ? "user" : "group");
goto out;
}
fprintf(stderr, "%s %s ", obd_type, obd_uuid);
if (qctl.qc_valid != QC_GENERAL)
- mnt = obd_uuid2str(&qctl.obd_uuid);
+ mnt = "";
- print_quota(mnt, &qctl);
+ print_quota(mnt, &qctl, QC_GENERAL, rc1);
if (qctl.qc_valid == QC_GENERAL && qctl.qc_cmd != LUSTRE_Q_GETINFO && verbose) {
rc2 = print_obd_quota(mnt, &qctl, 1);
return(llapi_ls(argc, argv));
}
+/* A helper function to return single, whole lines delimited by newline.
+ Returns length of line. Not reentrant! */
+static int get_next_full_line(int fd, char **ptr)
+{
+ static char buf[8192]; /* bigger than MAX_PATH_LENGTH */
+ static char *sptr = buf, *eptr = buf;
+ static int len, rem;
+
+ if ((*ptr == NULL) /* first time */
+ || (eptr >= buf + len) /* buffer empty */) {
+ sptr = eptr = buf;
+ len = read(fd, buf, sizeof(buf));
+ if (len <= 0)
+ return len;
+ } else {
+ sptr = eptr + 1;
+ }
+
+full_line:
+ while (eptr < buf + len) {
+ eptr++;
+ /* parse full lines */
+ if (*eptr == '\n') {
+ *eptr = '\0';
+ *ptr = sptr;
+ return (eptr - sptr);
+ }
+ }
+
+ /* partial line; move to front of buf */
+ rem = buf + len - sptr;
+ memcpy(buf, sptr, rem);
+ sptr = buf;
+ eptr = buf + rem;
+ len = read(fd, eptr, sizeof(buf) - rem);
+ if (len <= 0)
+ return len;
+ len += rem;
+ goto full_line;
+}
+
+static int lfs_changelog(int argc, char **argv)
+{
+ long long startrec = 0, endrec = 0, recnum;
+ int fd, len;
+ char c, *mdd, *ptr = NULL;
+ struct option long_opts[] = {
+ {"follow", no_argument, 0, 'f'},
+ {0, 0, 0, 0}
+ };
+ char short_opts[] = "f";
+ int follow = 0;
+
+ optind = 0;
+ while ((c = getopt_long(argc, argv, short_opts,
+ long_opts, NULL)) != -1) {
+ switch (c) {
+ case 'f':
+ follow++;
+ break;
+ case '?':
+ return CMD_HELP;
+ default:
+ fprintf(stderr, "error: %s: option '%s' unrecognized\n",
+ argv[0], argv[optind - 1]);
+ return CMD_HELP;
+ }
+ }
+ if (optind >= argc)
+ return CMD_HELP;
+
+ mdd = argv[optind++];
+ if (argc > optind)
+ startrec = strtoll(argv[optind++], NULL, 10);
+ if (argc > optind)
+ endrec = strtoll(argv[optind++], NULL, 10);
+
+ fd = llapi_changelog_open(mdd, startrec);
+ if (fd < 0) {
+ fprintf(stderr, "%s Can't open changelog: %s\n", argv[0],
+ strerror(errno = -fd));
+ return fd;
+ }
+
+ while ((len = get_next_full_line(fd, &ptr)) >= 0) {
+ if (len == 0) {
+ struct pollfd pfds[1];
+ int rc;
+
+ if (!follow)
+ break;
+ pfds[0].fd = fd;
+ pfds[0].events = POLLIN;
+ rc = poll(pfds, 1, -1);
+ if (rc < 0)
+ break;
+ continue;
+ }
+ /* eg. 2 02MKDIR 4405821890 t=[0x100000400/0x5] p=[0x100000400/0x4] pics */
+ sscanf(ptr, "%lld *", &recnum);
+ if (endrec && recnum > endrec)
+ break;
+ if (recnum < startrec)
+ continue;
+ printf("%.*s\n", len, ptr);
+ }
+
+ close(fd);
+
+ if (len < 0) {
+ fprintf(stderr, "read err %d\n", errno);
+ return -errno;
+ }
+
+ return 0;
+}
+
+static int lfs_changelog_clear(int argc, char **argv)
+{
+ long long endrec;
+ int rc;
+
+ if (argc != 4)
+ return CMD_HELP;
+
+ endrec = strtoll(argv[3], NULL, 10);
+
+ rc = llapi_changelog_clear(argv[1], argv[2], endrec);
+ if (rc)
+ fprintf(stderr, "%s error: %s\n", argv[0],
+ strerror(errno = -rc));
+ return rc;
+}
+
+static int lfs_fid2path(int argc, char **argv)
+{
+ struct option long_opts[] = {
+ {"cur", no_argument, 0, 'c'},
+ {"link", required_argument, 0, 'l'},
+ {"rec", required_argument, 0, 'r'},
+ {0, 0, 0, 0}
+ };
+ char c, short_opts[] = "cl:r:";
+ char *device, *fid, *path;
+ long long recno = -1;
+ int linkno = -1;
+ int lnktmp;
+ int printcur = 0;
+ int rc;
+
+ optind = 0;
+ while ((c = getopt_long(argc, argv, short_opts,
+ long_opts, NULL)) != -1) {
+ switch (c) {
+ case 'c':
+ printcur++;
+ break;
+ case 'l':
+ linkno = strtol(optarg, NULL, 10);
+ break;
+ case 'r':
+ recno = strtoll(optarg, NULL, 10);
+ break;
+ case '?':
+ return CMD_HELP;
+ default:
+ fprintf(stderr, "error: %s: option '%s' unrecognized\n",
+ argv[0], argv[optind - 1]);
+ return CMD_HELP;
+ }
+ }
+
+ device = argv[optind++];
+ fid = argv[optind++];
+ if (optind != argc)
+ return CMD_HELP;
+
+ path = calloc(1, PATH_MAX);
+
+ lnktmp = (linkno >= 0) ? linkno : 0;
+ while (1) {
+ int oldtmp = lnktmp;
+ long long rectmp = recno;
+ rc = llapi_fid2path(device, fid, path, PATH_MAX, &rectmp,
+ &lnktmp);
+ if (rc < 0) {
+ fprintf(stderr, "%s error: %s\n", argv[0],
+ strerror(errno = -rc));
+ break;
+ }
+
+ if (printcur)
+ fprintf(stdout, "%lld %s\n", rectmp, path);
+ else
+ fprintf(stdout, "%s\n", path);
+
+ if (linkno >= 0)
+ /* specified linkno */
+ break;
+ if (oldtmp == lnktmp)
+ /* no more links */
+ break;
+ }
+
+ free(path);
+ return rc;
+}
+
+static int lfs_path2fid(int argc, char **argv)
+{
+ char *path;
+ lustre_fid fid;
+ int rc;
+
+ if (argc != 2)
+ return CMD_HELP;
+
+ path = argv[1];
+ rc = llapi_path2fid(path, &fid);
+ if (rc) {
+ fprintf(stderr, "can't get fid for %s: %s\n", path,
+ strerror(errno = -rc));
+ return rc;
+ }
+
+ printf(DFID"\n", PFID(&fid));
+
+ return 0;
+}
+
int main(int argc, char **argv)
{
int rc;
}
obd_finalize(argc, argv);
- return rc;
+ return rc < 0 ? -rc : rc;
}
+