void
wipefs(const char *dir)
{
char fn[PATH_MAX];
struct stat stb;
/*
* Remove the user namespace. We do this separately because we
* skip fidns because of loops.
*/
pfl_filewalk(dir, PFL_FILEWALKF_RECURSIVE, NULL, wipefs_user,
NULL);
/* remove the SLASH2 FID namespace */
xmkfn(fn, "%s/%s", dir, SL_RPATH_META_DIR, SL_RPATH_FIDNS_DIR);
if (stat(fn, &stb) == 0 || errno != ENOENT)
pfl_filewalk(fn, PFL_FILEWALKF_RECURSIVE, NULL,
wipefs_fidns, NULL);
}
/*
* Build the pathname in the FID object root that corresponds to a FID,
* allowing easily lookup of file metadata via FIDs.
*/
void
sli_fg_makepath(const struct sl_fidgen *fg, char *fid_path)
{
char *p, str[(FID_PATH_DEPTH * 2) + 1];
uint64_t shift;
int i;
shift = BPHXC * (FID_PATH_START + FID_PATH_DEPTH - 1);
for (p = str, i = 0; i < FID_PATH_DEPTH; i++, shift -= BPHXC) {
*p = (fg->fg_fid & (0xf << shift)) >> shift;
*p += *p < 10 ? '0' : 'a' - 10;
p++;
*p++ = '/';
}
*p = '\0';
xmkfn(fid_path, "%s/%s/%"PRIx64"/%s/%s%016"PRIx64"_%"PRIx64,
slcfg_local->cfg_fsroot, SL_RPATH_META_DIR,
globalConfig.gconf_fsuuid, SL_RPATH_FIDNS_DIR,
str, fg->fg_fid, fg->fg_gen);
psclog_debug("fid="SLPRI_FID" fidpath=%s", fg->fg_fid, fid_path);
}
int
main(int argc, char *argv[])
{
ssize_t nents = SLJ_MDS_JNENTS;
char *endp, c, fn[PATH_MAX];
uint64_t uuid = 0;
long l;
pfl_init();
sl_subsys_register();
fn[0] = '\0';
progname = argv[0];
while ((c = getopt(argc, argv, "b:D:fn:qu:v")) != -1)
switch (c) {
case 'b':
strlcpy(fn, optarg, sizeof(fn));
break;
case 'D':
datadir = optarg;
break;
case 'f':
format = 1;
break;
case 'n':
endp = NULL;
l = strtol(optarg, &endp, 10);
if (l <= 0 || l > INT_MAX ||
endp == optarg || *endp)
errx(1, "invalid -n nentries: %s",
optarg);
nents = (ssize_t)l;
break;
case 'q':
query = 1;
break;
case 'u':
endp = NULL;
uuid = (uint64_t)strtoull(optarg, &endp, 16);
if (endp == optarg || *endp)
errx(1, "invalid -u fsuuid: %s",
optarg);
break;
case 'v':
verbose = 1;
break;
default:
usage();
}
argc -= optind;
if (argc)
usage();
if (fn[0] == '\0') {
if (mkdir(datadir, 0700) == -1)
if (errno != EEXIST)
err(1, "mkdir: %s", datadir);
xmkfn(fn, "%s/%s", datadir, SL_FN_OPJOURNAL);
}
if (format) {
if (!uuid)
psc_fatalx("no fsuuid specified");
pjournal_format(fn, nents, SLJ_MDS_ENTSIZE,
SLJ_MDS_READSZ, uuid);
if (verbose)
warnx("created log file %s with %zu %d-byte entries "
"(uuid=%"PRIx64")",
fn, nents, SLJ_MDS_ENTSIZE, uuid);
} else if (query)
pjournal_dump(fn);
else
usage();
exit(0);
}
