728 /* 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()
1081 			STps->eof = ST_NOEOF;  in check_tape()
1410 			STps->eof = ST_FM;  in st_flush()
1421 		DEBC_printk(STp, "Buffer flushed, %d EOF(s) written\n", cmd[4]);  in st_flush()
1427 			else if (STps->eof == ST_FM_HIT) {  in st_flush()
1433 					STps->eof = ST_FM;  in st_flush()
1435 					STps->eof = ST_NOEOF;  in st_flush()
1437 		} else if ((STps->eof == ST_NOEOF &&  in st_flush()
1439 			   STps->eof == ST_FM_HIT) {  in st_flush()
1443 			STps->eof = ST_FM;  in st_flush()
1687 			STps->eof = ST_EOM_OK;  in st_write()
1689 			STps->eof = ST_EOM_ERROR;  in st_write()
1692 	if (STps->eof == ST_EOM_OK) {  in st_write()
1693 		STps->eof = ST_EOD_1;  /* allow next write */  in st_write()
1697 	else if (STps->eof == ST_EOM_ERROR) {  in st_write()
1750 			STm->do_async_writes && STps->eof < ST_EOM_OK;  in st_write()
1753 		    !(STp->try_dio_now && try_wdio) && STps->eof < ST_EOM_OK &&  in st_write()
1814 					STps->eof = ST_EOM_OK;  in st_write()
1836 						STps->eof = ST_EOM_OK;  in st_write()
1848 						STps->eof = ST_EOM_ERROR;  in st_write()
1880 	if (STps->eof == ST_EOD_1)  in st_write()
1881 		STps->eof = ST_EOM_OK;  in st_write()
1882 	else if (STps->eof != ST_EOM_OK)  in st_write()
1883 		STps->eof = ST_NOEOF;  in st_write()
1896    eof status has changed, and the negative error code in case of a
1897    fatal error. Otherwise updates the buffer and the eof state.
1917 	if (STps->eof == ST_FM_HIT)  in read_tape()
1973 			if (cmdstatp->flags != 0) { /* EOF, EOM, or ILI */  in read_tape()
2027 					if (STps->eof != ST_FM_HIT)  in read_tape()
2028 						STps->eof = ST_FM_HIT;  in read_tape()
2030 						STps->eof = ST_EOD_2;  in read_tape()
2036 					DEBC_printk(STp, "EOF detected (%d "  in read_tape()
2040 					if (STps->eof == ST_FM)  in read_tape()
2041 						STps->eof = ST_EOD_1;  in read_tape()
2043 						STps->eof = ST_EOM_OK;  in read_tape()
2055 			/* end of EOF, EOM, ILI test */  in read_tape()
2059 				if (STps->eof == ST_FM &&  in read_tape()
2063 						    "after EOF.\n");  in read_tape()
2064 					STps->eof = ST_EOD_2;	/* First BLANK_CHECK after FM */  in read_tape()
2133 	if (debugging && STps->eof != ST_NOEOF)  in st_read()
2135 			  "EOF/EOM flag up (%d). Bytes %d\n",  in st_read()
2136 			  STps->eof, STbp->buffer_bytes);  in st_read()
2145 	    STps->eof >= ST_EOD_1) {  in st_read()
2146 		if (STps->eof < ST_EOD) {  in st_read()
2147 			STps->eof += 1;  in st_read()
2185 			if (debugging && STps->eof != ST_NOEOF)  in st_read()
2187 					  "EOF up (%d). Left %d, needed %d.\n",  in st_read()
2188 					  STps->eof, STbp->buffer_bytes,  in st_read()
2210 	/* Change the eof state if no data from tape or buffer */  in st_read()
2212 		if (STps->eof == ST_FM_HIT) {  in st_read()
2213 			STps->eof = ST_FM;  in st_read()
2217 		} else if (STps->eof == ST_EOD_1) {  in st_read()
2218 			STps->eof = ST_EOD_2;  in st_read()
2222 		} else if (STps->eof == ST_EOD_2)  in st_read()
2223 			STps->eof = ST_EOD;  in st_read()
2224 	} else if (STps->eof == ST_FM)  in st_read()
2225 		STps->eof = ST_NOEOF;  in st_read()
2865 			if (STps->eof >= ST_EOD_1)  in st_int_ioctl()
2994 			STps->eof = ST_EOD;  in st_int_ioctl()
2996 			STps->eof = ST_FM;  in st_int_ioctl()
2998 			STps->eof = ST_NOEOF;  in st_int_ioctl()
3009 				STps->eof = ST_EOM_OK;  in st_int_ioctl()
3023 				ioctl_result = 0;	/* EOF(s) written successfully at EOM */  in st_int_ioctl()
3024 				STps->eof = ST_NOEOF;  in st_int_ioctl()
3025 			} else {  /* Writing EOF(s) failed */  in st_int_ioctl()
3029 					STps->eof = ST_NOEOF;  in st_int_ioctl()
3038 			STps->eof = ST_NOEOF;  in st_int_ioctl()
3045 			STps->eof = ST_NOEOF;  in st_int_ioctl()
3051 				STps->eof = ST_FM;  in st_int_ioctl()
3057 				STps->eof = ST_NOEOF;  in st_int_ioctl()
3069 			STps->eof = ST_NOEOF;  in st_int_ioctl()
3073 			STps->eof = ST_EOD;  in st_int_ioctl()
3088 			STps->eof = ST_NOEOF;  in st_int_ioctl()
3091 			STps->eof = ST_EOD;  in st_int_ioctl()
3234 	STps->eof = ST_NOEOF;  in set_location()
3569 			if (STps->eof == ST_FM_HIT) {  in st_ioctl()
3780 		if (STps->eof == ST_EOM_OK || STps->eof == ST_EOM_ERROR)  in st_ioctl()
3782 		else if (STps->eof >= ST_EOM_OK)  in st_ioctl()
4333 		STps->eof = ST_NOEOF;  in st_probe()