int
zfsslash2_init(void)
{
struct pscfs_args args = PSCFS_ARGS_INIT(0, NULL);
extern struct fuse_lowlevel_ops pscfs_fuse_ops;
extern struct fuse_session *fuse_session;
extern struct pollfd pflfs_fds[];
extern int newfs_fd[2], pflfs_nfds;
extern char *fuse_mount_options;
int rc;
if (pfl_systemf("umount %s", _PATH_KSTAT) == -1)
psclog_warn("umount %s", _PATH_KSTAT);
if (pipe(newfs_fd) == -1)
psc_fatal("pipe");
pflfs_fds[0].fd = newfs_fd[0];
pflfs_fds[0].events = POLLIN;
pflfs_nfds = 1;
fuse_session = fuse_lowlevel_new(&args.pfa_av, &pscfs_fuse_ops,
sizeof(pscfs_fuse_ops), NULL);
pscthr_init(SLMTHRT_ZFS_KSTAT, slmzfskstatmthr_main, 0,
"slmzfskstatmthr");
fuse_mount_options = "";
rc = libzfs_init_fusesocket();
if (rc == 0)
rc = libzfs_init();
atexit(slm_unmount_kstat);
return (rc);
}
int
zfsslash2_init(void)
{
struct pscfs_args args = PSCFS_ARGS_INIT(0, NULL);
extern struct fuse_lowlevel_ops pscfs_fuse_ops;
extern struct fuse_session *fuse_session;
extern struct pollfd pscfs_fds[];
extern int newfs_fd[2], pscfs_nfds;
extern char *fuse_mount_options;
char buf[BUFSIZ];
int rc;
rc = snprintf(buf, sizeof(buf), "umount %s", _PATH_KSTAT);
if (rc == -1)
psc_fatal("snprintf: umount %s", _PATH_KSTAT);
if (rc >= (int)sizeof(buf))
psc_fatalx("snprintf: umount %s: too long", _PATH_KSTAT);
if (system(buf) == -1)
psclog_warn("system(%s)", buf);
if (pipe(newfs_fd) == -1)
psc_fatal("pipe");
pscfs_fds[0].fd = newfs_fd[0];
pscfs_fds[0].events = POLLIN;
pscfs_nfds = 1;
fuse_session = fuse_lowlevel_new(&args.pfa_av, &pscfs_fuse_ops,
sizeof(pscfs_fuse_ops), NULL);
pscthr_init(SLMTHRT_ZFS_KSTAT, slmzfskstatmthr_main, NULL, 0,
"slmzfskstatmthr");
fuse_mount_options = "";
rc = libzfs_init_fusesocket();
if (rc == 0)
rc = libzfs_init();
atexit(slm_unmount_kstat);
return (rc);
}
int
main(int argc, char *argv[])
{
char c, *p, *noncanon_mp, *cmd, *path_env, dir[PATH_MAX];
struct pscfs_args args = PSCFS_ARGS_INIT(0, NULL);
struct psc_dynarray startup_cmds = DYNARRAY_INIT;
const char *progpath = argv[0];
int rc, i, unmount_first = 0;
pfl_init();
pscfs_addarg(&args, ""); /* progname/argv[0] */
pscfs_addarg(&args, "-o");
pscfs_addarg(&args, STD_MOUNT_OPTIONS);
p = getenv("CTL_SOCK_FILE");
if (p)
ctlsockfn = p;
while ((c = getopt(argc, argv, "dL:o:S:U")) != -1)
switch (c) {
case 'd':
pscfs_addarg(&args, "-odebug");
break;
case 'L':
psc_dynarray_add(&startup_cmds, optarg);
break;
case 'o':
if (!opt_lookup(optarg)) {
pscfs_addarg(&args, "-o");
pscfs_addarg(&args, optarg);
}
break;
case 'S':
ctlsockfn = optarg;
break;
case 'U':
unmount_first = 1;
break;
default:
usage();
}
argc -= optind;
argv += optind;
if (argc != 1)
usage();
pscthr_init(PFL_THRT_FSMGR, NULL, 0, "fsmgrthr");
noncanon_mp = argv[0];
if (unmount_first)
unmount(noncanon_mp);
/* canonicalize mount path */
if (realpath(noncanon_mp, mountpoint) == NULL)
psc_fatal("realpath %s", noncanon_mp);
pscfs_mount(mountpoint, &args);
pscfs_freeargs(&args);
ctlthr_spawn();
pfl_opstimerthr_spawn(PFL_THRT_OPSTIMER, "opstimerthr");
pfl_workq_init(128, 1024, 1024);
pfl_wkthr_spawn(PFL_THRT_WORKER, 4, 0, "wkthr%d");
pscfs_entry_timeout = 8.;
pscfs_attr_timeout = 8.;
/*
* Here, $p = (directory this daemon binary resides in).
* Now we add the following to $PATH:
*
* 1) $p
* 2) $p/../wokctl (for developers)
*/
pfl_dirname(progpath, dir);
p = getenv("PATH");
rc = pfl_asprintf(&path_env, "%s:%s/../wokctl%s%s", dir, dir,
p ? ":" : "", p ? p : "");
psc_assert(rc != -1);
setenv("PATH", path_env, 1);
/*
* If wokctl (see file wokctl.c) misbehaves because it is given
* a wrong arugment, it is hard to debug from our end because
* we won't be receiving anything useful via the socket. This
* should be changed to a native call someday.
*
* If the client does not come up, double/triple checkout
* the name of your slash2 shared library. I wish I can
* add more verbose debugging information.
*/
DYNARRAY_FOREACH(cmd, i, &startup_cmds)
pfl_systemf("wokctl -S %s %s", ctlsockfn, cmd);
exit(pscfs_main(32, ""));
}
