727 /* Step over EOF if it has been inadvertently crossed (ioctl not used because
862 		if (STps->eof == ST_FM_HIT) {  in flush_buffer()
863 			result = cross_eof(STp, 0);	/* Back over the EOF hit */  in flush_buffer()
865 				STps->eof = ST_NOEOF;  in flush_buffer()
874 	} else if (STps->eof == ST_FM_HIT) {  in flush_buffer()
878 		STps->eof = ST_NOEOF;  in flush_buffer()
945 		STps->eof = ST_NOEOF;  in reset_state()
1089 			STps->eof = ST_NOEOF;  in check_tape()
1418 			STps->eof = ST_FM;  in st_flush()
1429 		DEBC_printk(STp, "Buffer flushed, %d EOF(s) written\n", cmd[4]);  in st_flush()
1435 			else if (STps->eof == ST_FM_HIT) {  in st_flush()
1441 					STps->eof = ST_FM;  in st_flush()
1443 					STps->eof = ST_NOEOF;  in st_flush()
1445 		} else if ((STps->eof == ST_NOEOF &&  in st_flush()
1447 			   STps->eof == ST_FM_HIT) {  in st_flush()
1451 			STps->eof = ST_FM;  in st_flush()
1695 			STps->eof = ST_EOM_OK;  in st_write()
1697 			STps->eof = ST_EOM_ERROR;  in st_write()
1700 	if (STps->eof == ST_EOM_OK) {  in st_write()
1701 		STps->eof = ST_EOD_1;  /* allow next write */  in st_write()
1705 	else if (STps->eof == ST_EOM_ERROR) {  in st_write()
1758 			STm->do_async_writes && STps->eof < ST_EOM_OK;  in st_write()
1761 		    !(STp->try_dio_now && try_wdio) && STps->eof < ST_EOM_OK &&  in st_write()
1822 					STps->eof = ST_EOM_OK;  in st_write()
1844 						STps->eof = ST_EOM_OK;  in st_write()
1856 						STps->eof = ST_EOM_ERROR;  in st_write()
1888 	if (STps->eof == ST_EOD_1)  in st_write()
1889 		STps->eof = ST_EOM_OK;  in st_write()
1890 	else if (STps->eof != ST_EOM_OK)  in st_write()
1891 		STps->eof = ST_NOEOF;  in st_write()
1904    eof status has changed, and the negative error code in case of a
1905    fatal error. Otherwise updates the buffer and the eof state.
1925 	if (STps->eof == ST_FM_HIT)  in read_tape()
1981 			if (cmdstatp->flags != 0) { /* EOF, EOM, or ILI */  in read_tape()
2035 					if (STps->eof != ST_FM_HIT)  in read_tape()
2036 						STps->eof = ST_FM_HIT;  in read_tape()
2038 						STps->eof = ST_EOD_2;  in read_tape()
2044 					DEBC_printk(STp, "EOF detected (%d "  in read_tape()
2048 					if (STps->eof == ST_FM)  in read_tape()
2049 						STps->eof = ST_EOD_1;  in read_tape()
2051 						STps->eof = ST_EOM_OK;  in read_tape()
2063 			/* end of EOF, EOM, ILI test */  in read_tape()
2067 				if (STps->eof == ST_FM &&  in read_tape()
2071 						    "after EOF.\n");  in read_tape()
2072 					STps->eof = ST_EOD_2;	/* First BLANK_CHECK after FM */  in read_tape()
2141 	if (debugging && STps->eof != ST_NOEOF)  in st_read()
2143 			  "EOF/EOM flag up (%d). Bytes %d\n",  in st_read()
2144 			  STps->eof, STbp->buffer_bytes);  in st_read()
2153 	    STps->eof >= ST_EOD_1) {  in st_read()
2154 		if (STps->eof < ST_EOD) {  in st_read()
2155 			STps->eof += 1;  in st_read()
2193 			if (debugging && STps->eof != ST_NOEOF)  in st_read()
2195 					  "EOF up (%d). Left %d, needed %d.\n",  in st_read()
2196 					  STps->eof, STbp->buffer_bytes,  in st_read()
2218 	/* Change the eof state if no data from tape or buffer */  in st_read()
2220 		if (STps->eof == ST_FM_HIT) {  in st_read()
2221 			STps->eof = ST_FM;  in st_read()
2225 		} else if (STps->eof == ST_EOD_1) {  in st_read()
2226 			STps->eof = ST_EOD_2;  in st_read()
2230 		} else if (STps->eof == ST_EOD_2)  in st_read()
2231 			STps->eof = ST_EOD;  in st_read()
2232 	} else if (STps->eof == ST_FM)  in st_read()
2233 		STps->eof = ST_NOEOF;  in st_read()
2873 			if (STps->eof >= ST_EOD_1)  in st_int_ioctl()
3002 			STps->eof = ST_EOD;  in st_int_ioctl()
3004 			STps->eof = ST_FM;  in st_int_ioctl()
3006 			STps->eof = ST_NOEOF;  in st_int_ioctl()
3017 				STps->eof = ST_EOM_OK;  in st_int_ioctl()
3031 				ioctl_result = 0;	/* EOF(s) written successfully at EOM */  in st_int_ioctl()
3032 				STps->eof = ST_NOEOF;  in st_int_ioctl()
3033 			} else {  /* Writing EOF(s) failed */  in st_int_ioctl()
3037 					STps->eof = ST_NOEOF;  in st_int_ioctl()
3046 			STps->eof = ST_NOEOF;  in st_int_ioctl()
3053 			STps->eof = ST_NOEOF;  in st_int_ioctl()
3059 				STps->eof = ST_FM;  in st_int_ioctl()
3065 				STps->eof = ST_NOEOF;  in st_int_ioctl()
3077 			STps->eof = ST_NOEOF;  in st_int_ioctl()
3081 			STps->eof = ST_EOD;  in st_int_ioctl()
3096 			STps->eof = ST_NOEOF;  in st_int_ioctl()
3099 			STps->eof = ST_EOD;  in st_int_ioctl()
3242 	STps->eof = ST_NOEOF;  in set_location()
3578 			if (STps->eof == ST_FM_HIT) {  in st_ioctl()
3801 		if (STps->eof == ST_EOM_OK || STps->eof == ST_EOM_ERROR)  in st_ioctl()
3803 		else if (STps->eof >= ST_EOM_OK)  in st_ioctl()
4355 		STps->eof = ST_NOEOF;  in st_probe()