コード例 #1
0
int
sli_fcmh_getattr(struct fidc_membh *f)
{
	struct stat stb;

	if (fstat(fcmh_2_fd(f), &stb) == -1)
		return (-errno);

	FCMH_LOCK(f);
	sl_externalize_stat(&stb, &f->fcmh_sstb);
	// XXX get ptruncgen and gen
	f->fcmh_flags |= FCMH_HAVE_ATTRS;
	FCMH_ULOCK(f);
	return (0);
}
コード例 #2
0
ファイル: fidc_iod.c プロジェクト: pscedu/slash2-stable
int
sli_fcmh_ctor(struct fidc_membh *f, __unusedx int flags)
{
	int rc;
	struct stat stb;
	struct fcmh_iod_info *fii;

	fii = fcmh_2_fii(f);
	INIT_PSC_LISTENTRY(&fii->fii_lentry);

	psc_assert(f->fcmh_flags & FCMH_INITING);
	if (f->fcmh_fg.fg_gen == FGEN_ANY) {
		DEBUG_FCMH(PLL_NOTICE, f, "refusing to open backing file "
		    "with FGEN_ANY");

		/*
		 * This is not an error, we just don't have enough info
		 * to create the backing file.
		 */
		return (0);
	}

	/* try to get a file descriptor for this backing obj */
	rc = sli_open_backing_file(f);
	if (rc == 0) {
		if (fstat(fcmh_2_fd(f), &stb) == -1) {
			rc = -errno;
			DEBUG_FCMH(PLL_WARN, f, "error during "
			    "getattr backing file rc=%d", rc);
			close(fcmh_2_fd(f));
		} else {
			sl_externalize_stat(&stb, &f->fcmh_sstb);
			// XXX get ptruncgen and gen
			f->fcmh_flags |= FCMH_HAVE_ATTRS;
		}
	}
	if (!rc)
		f->fcmh_flags |= FCMH_IOD_BACKFILE;
	return (rc);
}