{"ladvise", lfs_ladvise, 0,
"Provide servers with advice about access patterns for a file.\n"
"usage: ladvise [--advice|-a ADVICE] [--start|-s START[kMGT]]\n"
- " [--background|-b]\n"
+ " [--background|-b] [--unset|-u]\n\n"
" {[--end|-e END[kMGT]] | [--length|-l LENGTH[kMGT]]}\n"
+ " {[--mode|-m [READ,WRITE]}\n"
" <file> ...\n"},
{"help", Parser_help, 0, "help"},
{"exit", Parser_quit, 0, "quit"},
struct find_param param = { 0 };
struct option long_opts[] = {
#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
- {"mdt-count", no_argument, 0, 'c'},
+ { .val = 'c', .name = "mdt-count", .has_arg = no_argument },
#endif
- {"mdt-hash", no_argument, 0, 'H'},
- {"mdt-index", no_argument, 0, 'i'},
- {"recursive", no_argument, 0, 'r'},
+ { .val = 'D', .name = "default", .has_arg = no_argument },
+ { .val = 'H', .name = "mdt-hash", .has_arg = no_argument },
+ { .val = 'i', .name = "mdt-index", .has_arg = no_argument },
+ { .val = 'O', .name = "obd", .has_arg = required_argument },
+ { .val = 'r', .name = "recursive", .has_arg = no_argument },
#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
- {"mdt-hash", no_argument, 0, 't'},
+ { .val = 't', .name = "mdt-hash", .has_arg = no_argument },
#endif
- {"default", no_argument, 0, 'D'},
- {"obd", required_argument, 0, 'O'},
- {"mdt-count", no_argument, 0, 'T'},
- {"yaml", no_argument, 0, 'y'},
- {0, 0, 0, 0}
- };
+ { .val = 'T', .name = "mdt-count", .has_arg = no_argument },
+ { .val = 'y', .name = "yaml", .has_arg = no_argument },
+ { .name = NULL } };
int c, rc;
param.fp_get_lmv = 1;
case 'c':
#if LUSTRE_VERSION_CODE >= OBD_OCD_VERSION(2, 11, 53, 0)
if (strcmp(argv[optind - 1], "--count") == 0)
- fprintf(stderr, "warning: '--count' deprecated"
- ", use '--mdt-count' instead\n");
+ fprintf(stderr,
+ "%s %s: warning: '--count' deprecated, use '--mdt-count' instead\n",
+ progname, argv[0]);
#endif
stripe_count_opt = optarg;
break;
case 'i':
#if LUSTRE_VERSION_CODE >= OBD_OCD_VERSION(2, 11, 53, 0)
if (strcmp(argv[optind - 1], "--index") == 0)
- fprintf(stderr, "warning: '--index' deprecated"
- ", use '--mdt-index' instead\n");
+ fprintf(stderr,
+ "%s %s: warning: '--index' deprecated, use '--mdt-index' instead\n",
+ progname, argv[0]);
#endif
stripe_offset_opt = optarg;
break;
case 'H':
#if LUSTRE_VERSION_CODE >= OBD_OCD_VERSION(2, 11, 53, 0)
if (strcmp(argv[optind - 1], "--hash-type") == 0)
- fprintf(stderr, "warning: '--hash-type' "
- "deprecated, use '--mdt-hash' "
- "instead\n");
+ fprintf(stderr,
+ "%s %s: warning: '--hash-type' deprecated, use '--mdt-hash' instead\n",
+ progname, argv[0]);
#endif
stripe_hash_opt = optarg;
break;
default:
- fprintf(stderr, "error: %s: option '%s' "
- "unrecognized\n",
- argv[0], argv[optind - 1]);
+ fprintf(stderr, "%s %s: unrecognized option '%s'\n",
+ progname, argv[0], argv[optind - 1]);
return CMD_HELP;
}
}
if (optind == argc) {
- fprintf(stderr, "error: %s: missing dirname\n",
- argv[0]);
+ fprintf(stderr, "%s %s: DIR must be specified\n",
+ progname, argv[0]);
return CMD_HELP;
}
if (!delete && stripe_offset_opt == NULL && stripe_count_opt == NULL) {
- fprintf(stderr, "error: %s: missing stripe offset and count.\n",
- argv[0]);
+ fprintf(stderr,
+ "%s %s: stripe offset and count must be specified\n",
+ progname, argv[0]);
return CMD_HELP;
}
/* get the stripe offset */
stripe_offset = strtoul(stripe_offset_opt, &end, 0);
if (*end != '\0') {
- fprintf(stderr, "error: %s: bad stripe offset '%s'\n",
- argv[0], stripe_offset_opt);
+ fprintf(stderr,
+ "%s %s: bad stripe offset '%s'\n",
+ progname, argv[0], stripe_offset_opt);
return CMD_HELP;
}
}
if (delete) {
if (stripe_offset_opt != NULL || stripe_count_opt != NULL) {
- fprintf(stderr, "error: %s: cannot specify -d with -s,"
- " or -i options.\n", argv[0]);
+ fprintf(stderr,
+ "%s %s: cannot specify -d with -c or -i options\n",
+ progname, argv[0]);
return CMD_HELP;
} else {
stripe_count = 0;
if (mode_opt != NULL) {
mode = strtoul(mode_opt, &end, 8);
if (*end != '\0') {
- fprintf(stderr, "error: %s: bad mode '%s'\n",
- argv[0], mode_opt);
+ fprintf(stderr,
+ "%s %s: bad MODE '%s'\n",
+ progname, argv[0], mode_opt);
return CMD_HELP;
}
previous_mode = umask(0);
} else {
hash_type = check_hashtype(stripe_hash_opt);
if (hash_type == 0) {
- fprintf(stderr,
- "error: %s: bad stripe hash type '%s'\n",
- argv[0], stripe_hash_opt);
+ fprintf(stderr, "%s %s: bad stripe hash type '%s'\n",
+ progname, argv[0], stripe_hash_opt);
return CMD_HELP;
}
}
if (stripe_count_opt != NULL) {
stripe_count = strtoul(stripe_count_opt, &end, 0);
if (*end != '\0') {
- fprintf(stderr, "error: %s: bad stripe count '%s'\n",
- argv[0], stripe_count_opt);
+ fprintf(stderr,
+ "%s %s: bad stripe count '%s'\n",
+ progname, argv[0], stripe_count_opt);
return CMD_HELP;
}
}
}
if (result) {
- fprintf(stderr, "error: %s: create stripe dir '%s' "
- "failed\n", argv[0], dname);
+ fprintf(stderr,
+ "%s setdirstripe: cannot create stripe dir '%s': %s\n",
+ progname, dname, strerror(-result));
break;
}
dname = argv[++optind];
static const char *const ladvise_names[] = LU_LADVISE_NAMES;
+static const char *const lock_mode_names[] = LOCK_MODE_NAMES;
+
+static const char *const lockahead_results[] = {
+ [LLA_RESULT_SENT] = "Lock request sent",
+ [LLA_RESULT_DIFFERENT] = "Different matching lock found",
+ [LLA_RESULT_SAME] = "Matching lock on identical extent found",
+};
+
+int lfs_get_mode(const char *string)
+{
+ enum lock_mode_user mode;
+
+ for (mode = 0; mode < ARRAY_SIZE(lock_mode_names); mode++) {
+ if (lock_mode_names[mode] == NULL)
+ continue;
+ if (strcmp(string, lock_mode_names[mode]) == 0)
+ return mode;
+ }
+
+ return -EINVAL;
+}
+
static enum lu_ladvise_type lfs_get_ladvice(const char *string)
{
enum lu_ladvise_type advice;
{ .val = 'b', .name = "background", .has_arg = no_argument },
{ .val = 'e', .name = "end", .has_arg = required_argument },
{ .val = 'l', .name = "length", .has_arg = required_argument },
+ { .val = 'm', .name = "mode", .has_arg = required_argument },
{ .val = 's', .name = "start", .has_arg = required_argument },
+ { .val = 'u', .name = "unset", .has_arg = no_argument },
{ .name = NULL } };
- char short_opts[] = "a:be:l:s:";
+ char short_opts[] = "a:be:l:m:s:u";
int c;
int rc = 0;
const char *path;
unsigned long long length = 0;
unsigned long long size_units;
unsigned long long flags = 0;
+ int mode = 0;
optind = 0;
while ((c = getopt_long(argc, argv, short_opts,
case 'b':
flags |= LF_ASYNC;
break;
+ case 'u':
+ flags |= LF_UNSET;
+ break;
case 'e':
size_units = 1;
rc = llapi_parse_size(optarg, &end,
return CMD_HELP;
}
break;
+ case 'm':
+ mode = lfs_get_mode(optarg);
+ if (mode < 0) {
+ fprintf(stderr, "%s: bad mode '%s', valid "
+ "modes are READ or WRITE\n",
+ argv[0], optarg);
+ return CMD_HELP;
+ }
+ break;
case '?':
return CMD_HELP;
default:
return CMD_HELP;
}
+ if (advice_type == LU_LADVISE_LOCKNOEXPAND) {
+ fprintf(stderr, "%s: Lock no expand advice is a per file "
+ "descriptor advice, so when called from lfs, "
+ "it does nothing.\n", argv[0]);
+ return CMD_HELP;
+ }
+
if (argc <= optind) {
fprintf(stderr, "%s: please give one or more file names\n",
argv[0]);
return CMD_HELP;
}
+ if (advice_type != LU_LADVISE_LOCKAHEAD && mode != 0) {
+ fprintf(stderr, "%s: mode is only valid with lockahead\n",
+ argv[0]);
+ return CMD_HELP;
+ }
+
+ if (advice_type == LU_LADVISE_LOCKAHEAD && mode == 0) {
+ fprintf(stderr, "%s: mode is required with lockahead\n",
+ argv[0]);
+ return CMD_HELP;
+ }
+
while (optind < argc) {
int rc2;
advice.lla_value2 = 0;
advice.lla_value3 = 0;
advice.lla_value4 = 0;
+ if (advice_type == LU_LADVISE_LOCKAHEAD) {
+ advice.lla_lockahead_mode = mode;
+ advice.lla_peradvice_flags = flags;
+ }
+
rc2 = llapi_ladvise(fd, flags, 1, &advice);
close(fd);
if (rc2 < 0) {
"'%s': %s\n", argv[0],
ladvise_names[advice_type],
path, strerror(errno));
+
+ goto next;
}
+
next:
if (rc == 0 && rc2 < 0)
rc = rc2;
int rc;
/* Ensure that liblustreapi constructor has run */
- if (!llapi_liblustreapi_initialized())
+ if (!liblustreapi_initialized)
fprintf(stderr, "liblustreapi was not properly initialized\n");
setlinebuf(stdout);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff