int
slm_fcmh_ctor(struct fidc_membh *f, __unusedx int flags)
{
struct fcmh_mds_info *fmi;
struct mio_fh *ino_mfh;
struct slm_inoh *ih;
mio_fid_t ino_mfid;
int rc, vfsid;
DEBUG_FCMH(PLL_DIAG, f, "ctor");
rc = slfid_to_vfsid(fcmh_2_fid(f), &vfsid);
if (rc) {
DEBUG_FCMH(PLL_WARN, f, "invalid file system ID; "
"rc=%d", rc);
return (rc);
}
fmi = fcmh_2_fmi(f);
memset(fmi, 0, sizeof(*fmi));
rc = mdsio_lookup_slfid(vfsid, fcmh_2_fid(f), &rootcreds,
&f->fcmh_sstb, &fcmh_2_mfid(f));
if (rc) {
fmi->fmi_ctor_rc = rc;
DEBUG_FCMH(PLL_WARN, f, "mdsio_lookup_slfid failed; "
"fid="SLPRI_FID" rc=%d",
fcmh_2_fid(f), rc);
return (rc);
}
ih = &fmi->fmi_inodeh;
ih->inoh_flags = INOH_INO_NOTLOADED;
ino_mfid = fcmh_2_mfid(f);
ino_mfh = fcmh_2_mfhp(f);
if (fcmh_isdir(f)) {
mio_fid_t pmfid;
char fn[24];
rc = mdsio_opendir(vfsid, fcmh_2_mfid(f), &rootcreds,
NULL, &fcmh_2_mfh(f));
if (rc) {
DEBUG_FCMH(PLL_WARN, f, "mdsio_opendir failed; "
"mio_fid=%"PRIx64" rc=%d", fcmh_2_mfid(f),
rc);
return (rc);
}
snprintf(fn, sizeof(fn), "%016"PRIx64".ino",
fcmh_2_fid(f));
pmfid = mdsio_getfidlinkdir(fcmh_2_fid(f));
rc = mdsio_lookup(vfsid, pmfid, fn,
&fcmh_2_dino_mfid(f), &rootcreds, NULL);
if (rc == ENOENT) {
struct slm_inox_od inox;
rc = mdsio_opencreatef(vfsid, pmfid, &rootcreds,
O_CREAT | O_EXCL | O_RDWR,
MDSIO_OPENCRF_NOLINK, 0644, fn,
&fcmh_2_dino_mfid(f), NULL,
&fcmh_2_dino_mfh(f), NULL, NULL, 0);
psc_assert(rc == 0);
INOH_LOCK(ih);
rc = mds_inode_write(vfsid, ih, NULL, NULL);
psc_assert(rc == 0);
memset(&inox, 0, sizeof(inox));
ih->inoh_extras = &inox;
rc = mds_inox_write(vfsid, ih, NULL, NULL);
ih->inoh_extras = NULL;
INOH_ULOCK(ih);
psc_assert(rc == 0);
mdsio_release(vfsid, &rootcreds,
fcmh_2_dino_mfh(f));
} else if (rc) {
fmi->fmi_ctor_rc = rc;
DEBUG_FCMH(PLL_WARN, f,
"mdsio_lookup failed; rc=%d", rc);
return (rc);
}
ino_mfid = fcmh_2_dino_mfid(f);
ino_mfh = fcmh_2_dino_mfhp(f);
}
if (fcmh_isreg(f))
psc_dynarray_init(&fmi->fmi_ptrunc_clients);
if (fcmh_isdir(f) || fcmh_isreg(f)) {
/*
* We shouldn't need O_LARGEFILE because SLASH2
* metafiles are small.
*
* I created a file with size of 8070450532247928832
* using dd by seeking to a large offset and writing one
* byte. Somehow, the ZFS size becomes 5119601018368.
* Without O_LARGEFILE, I got EOVERFLOW (75) here. The
* SLASH2 size is correct though.
*/
rc = mdsio_opencreate(vfsid, ino_mfid, &rootcreds,
O_RDWR, 0, NULL, NULL, NULL, &ino_mfh->fh, NULL,
NULL, 0);
if (rc == 0) {
rc = mds_inode_read(&fmi->fmi_inodeh);
if (rc)
DEBUG_FCMH(PLL_WARN, f,
"could not load inode; "
"mfid=%"PRIx64" rc=%d",
ino_mfid, rc);
} else {
fmi->fmi_ctor_rc = rc;
DEBUG_FCMH(PLL_WARN, f,
"mdsio_opencreate failed; "
"mfid=%"PRIx64" rc=%d",
ino_mfid, rc);
}
} else
DEBUG_FCMH(PLL_DIAG, f, "special file, no zfs obj");
return (rc);
}
int
mds_inode_dump(int vfsid, struct sl_ino_compat *sic,
struct slash_inode_handle *ih, void *readh)
{
struct fidc_membh *f;
struct bmapc_memb *b;
struct mio_fh *fh;
sl_bmapno_t i;
int rc, fl;
void *th;
f = inoh_2_fcmh(ih);
th = inoh_2_mfh(ih);
fh = inoh_2_mfh(ih);
fl = BMAPGETF_CREATE | BMAPGETF_NOAUTOINST;
if (sic)
fl |= BMAPGETF_NORETRIEVE;
for (i = 0; ; i++) {
fh->fh = readh;
rc = bmap_getf(f, i, SL_WRITE, fl, &b);
fh->fh = th;
if (rc == SLERR_BMAP_INVALID) {
(void)INOH_RLOCK(ih);
break;
}
if (rc)
return (rc);
if (sic) {
rc = sic->sic_read_bmap(b, readh);
if (rc) {
bmap_op_done(b);
(void)INOH_RLOCK(ih);
if (rc == SLERR_BMAP_INVALID)
break;
return (rc);
}
}
rc = mds_bmap_write(b, NULL, NULL);
bmap_op_done(b);
(void)INOH_RLOCK(ih);
if (rc)
return (rc);
}
rc = mds_inox_write(vfsid, ih, NULL, NULL);
if (rc)
return (rc);
rc = mds_inode_write(vfsid, ih, NULL, NULL);
if (rc)
return (rc);
mdsio_fsync(vfsid, &rootcreds, 1, th);
return (0);
}
