taglinefilesource code
STp177drivers/scsi/st.cScsi_Tape * STp;
STp180drivers/scsi/st.cSTp = &(scsi_tapes[st_nbr]);
STp181drivers/scsi/st.cif ((STp->buffer)->writing &&
STp193drivers/scsi/st.c(STp->buffer)->last_result = SCpnt->result; /* Error */
STp195drivers/scsi/st.c(STp->buffer)->last_result = INT_MAX; /* OK */
STp198drivers/scsi/st.c(STp->buffer)->last_result = SCpnt->result;
STp199drivers/scsi/st.c(STp->buffer)->last_result_fatal = st_chk_result(SCpnt);
STp200drivers/scsi/st.cif ((STp->buffer)->writing)
STp204drivers/scsi/st.cif ((STp->buffer)->writing <= 0)
STp205drivers/scsi/st.cwake_up( &(STp->waiting) );
STp218drivers/scsi/st.cScsi_Tape * STp;
STp222drivers/scsi/st.cSTp = &(scsi_tapes[dev]);
STp223drivers/scsi/st.cSTbuffer = STp->buffer;
STp229drivers/scsi/st.csleep_on( &(STp->waiting) );
STp239drivers/scsi/st.cif (STp->drv_block >= 0) {
STp240drivers/scsi/st.cif (STp->block_size == 0)
STp241drivers/scsi/st.cSTp->drv_block++;
STp243drivers/scsi/st.cSTp->drv_block += STbuffer->writing / STp->block_size;
STp257drivers/scsi/st.cScsi_Tape *STp = &(scsi_tapes[dev]);
STp266drivers/scsi/st.cSCpnt = allocate_device(NULL, STp->device, 1);
STp270drivers/scsi/st.c(void *) cmd, (void *) (STp->buffer)->b_data, 0,
STp276drivers/scsi/st.cif (SCpnt->request.dev == dev) sleep_on( &(STp->waiting) );
STp280drivers/scsi/st.cif ((STp->buffer)->last_result != 0) {
STp282drivers/scsi/st.cif ((STp->mt_status)->mt_fileno >= 0)
STp283drivers/scsi/st.c(STp->mt_status)->mt_fileno += 1;
STp284drivers/scsi/st.c(STp->mt_status)->mt_blkno = 0;
STp287drivers/scsi/st.creturn (STp->buffer)->last_result_fatal;
STp300drivers/scsi/st.cScsi_Tape *STp = &(scsi_tapes[dev]);
STp302drivers/scsi/st.cif ((STp->buffer)->writing) {
STp304drivers/scsi/st.cif ((STp->buffer)->last_result_fatal) {
STp308drivers/scsi/st.c(STp->buffer)->last_result);
STp310drivers/scsi/st.cif ((STp->buffer)->last_result == INT_MAX)
STp317drivers/scsi/st.cif (STp->dirty == 1) {
STp318drivers/scsi/st.cSCpnt = allocate_device(NULL, STp->device, 1);
STp320drivers/scsi/st.coffset = (STp->buffer)->buffer_bytes;
STp321drivers/scsi/st.ctransfer = ((offset + STp->block_size - 1) /
STp322drivers/scsi/st.cSTp->block_size) * STp->block_size;
STp327drivers/scsi/st.cmemset((STp->buffer)->b_data + offset, 0, transfer - offset);
STp333drivers/scsi/st.cblks = transfer / STp->block_size;
STp339drivers/scsi/st.c(void *) cmd, (STp->buffer)->b_data, transfer,
STp345drivers/scsi/st.cif (SCpnt->request.dev == dev) sleep_on( &(STp->waiting) );
STp348drivers/scsi/st.cif ((STp->buffer)->last_result_fatal != 0) {
STp353drivers/scsi/st.cSTp->dirty = 0;
STp354drivers/scsi/st.c(STp->buffer)->buffer_bytes = 0;
STp359drivers/scsi/st.cSTp->drv_block = (-1);
STp362drivers/scsi/st.cif (STp->drv_block >= 0)
STp363drivers/scsi/st.cSTp->drv_block += blks;
STp364drivers/scsi/st.cSTp->dirty = 0;
STp365drivers/scsi/st.c(STp->buffer)->buffer_bytes = 0;
STp380drivers/scsi/st.cScsi_Tape * STp;
STp384drivers/scsi/st.cSTp = &(scsi_tapes[dev]);
STp385drivers/scsi/st.cSTbuffer = STp->buffer;
STp387drivers/scsi/st.cif (STp->ready != ST_READY)
STp390drivers/scsi/st.cif (STp->rw == ST_WRITING)  /* Writing */
STp393drivers/scsi/st.cif (STp->block_size == 0)
STp396drivers/scsi/st.cbackspace = ((STp->buffer)->buffer_bytes +
STp397drivers/scsi/st.c(STp->buffer)->read_pointer) / STp->block_size -
STp398drivers/scsi/st.c((STp->buffer)->read_pointer + STp->block_size - 1) /
STp399drivers/scsi/st.cSTp->block_size;
STp400drivers/scsi/st.c(STp->buffer)->buffer_bytes = 0;
STp401drivers/scsi/st.c(STp->buffer)->read_pointer = 0;
STp404drivers/scsi/st.cif ((STp->eof == ST_FM) && !STp->eof_hit) {
STp407drivers/scsi/st.cSTp->eof = ST_NOEOF;
STp408drivers/scsi/st.cSTp->eof_hit = 0;
STp429drivers/scsi/st.cScsi_Tape * STp;
STp434drivers/scsi/st.cSTp = &(scsi_tapes[dev]);
STp435drivers/scsi/st.cif (STp->in_use) {
STp448drivers/scsi/st.cSTp->buffer = st_buffers[i];
STp449drivers/scsi/st.c(STp->buffer)->in_use = 1;
STp450drivers/scsi/st.c(STp->buffer)->writing = 0;
STp451drivers/scsi/st.cSTp->in_use = 1;
STp454drivers/scsi/st.cSTp->write_prot = ((flags & O_ACCMODE) == O_RDONLY);
STp456drivers/scsi/st.cSTp->dirty = 0;
STp457drivers/scsi/st.cSTp->rw = ST_IDLE;
STp458drivers/scsi/st.cSTp->ready = ST_READY;
STp459drivers/scsi/st.cif (STp->eof != ST_EOD)  /* Save EOD across opens */
STp460drivers/scsi/st.cSTp->eof = ST_NOEOF;
STp461drivers/scsi/st.cSTp->eof_hit = 0;
STp462drivers/scsi/st.cSTp->recover_count = 0;
STp464drivers/scsi/st.cSCpnt = allocate_device(NULL, STp->device, 1);
STp475drivers/scsi/st.c(void *) cmd, (void *) (STp->buffer)->b_data,
STp483drivers/scsi/st.cif (SCpnt->request.dev == dev) sleep_on( &(STp->waiting) );
STp488drivers/scsi/st.c(STp->mt_status)->mt_fileno = 0 ;
STp494drivers/scsi/st.c(void *) cmd, (void *) (STp->buffer)->b_data,
STp502drivers/scsi/st.cif (SCpnt->request.dev == dev) sleep_on( &(STp->waiting) );
STp505drivers/scsi/st.c(STp->mt_status)->mt_fileno = STp->drv_block = 0;
STp506drivers/scsi/st.cSTp->eof = ST_NOEOF;
STp509drivers/scsi/st.cif ((STp->buffer)->last_result_fatal != 0) {
STp512drivers/scsi/st.c(STp->mt_status)->mt_fileno = STp->drv_block = 0 ;
STp514drivers/scsi/st.cSTp->ready = ST_NO_TAPE;
STp516drivers/scsi/st.c(STp->mt_status)->mt_fileno = STp->drv_block = (-1);
STp517drivers/scsi/st.cSTp->ready = ST_NOT_READY;
STp520drivers/scsi/st.c(STp->buffer)->in_use = 0;
STp521drivers/scsi/st.cSTp->buffer = NULL;
STp522drivers/scsi/st.cSTp->density = 0;   /* Clear the erroneous "residue" */
STp523drivers/scsi/st.cSTp->write_prot = 0;
STp524drivers/scsi/st.cSTp->block_size = 0;
STp525drivers/scsi/st.cSTp->eof = ST_NOEOF;
STp526drivers/scsi/st.c(STp->mt_status)->mt_fileno = STp->drv_block = 0;
STp537drivers/scsi/st.c(void *) cmd, (void *) (STp->buffer)->b_data,
STp544drivers/scsi/st.cif (SCpnt->request.dev == dev) sleep_on( &(STp->waiting) );
STp548drivers/scsi/st.cSTp->max_block = ((STp->buffer)->b_data[1] << 16) |
STp549drivers/scsi/st.c((STp->buffer)->b_data[2] << 8) | (STp->buffer)->b_data[3];
STp550drivers/scsi/st.cSTp->min_block = ((STp->buffer)->b_data[4] << 8) |
STp551drivers/scsi/st.c(STp->buffer)->b_data[5];
STp554drivers/scsi/st.cprintk("st%d: Block limits %d - %d bytes.\n", dev, STp->min_block,
STp555drivers/scsi/st.cSTp->max_block);
STp559drivers/scsi/st.cSTp->min_block = STp->max_block = (-1);
STp572drivers/scsi/st.c(void *) cmd, (void *) (STp->buffer)->b_data,
STp579drivers/scsi/st.cif (SCpnt->request.dev == dev) sleep_on( &(STp->waiting) );
STp582drivers/scsi/st.cif ((STp->buffer)->last_result_fatal != 0) {
STp587drivers/scsi/st.c(STp->buffer)->b_data[2] =
STp588drivers/scsi/st.c(STp->buffer)->b_data[3] = 0;
STp595drivers/scsi/st.c(STp->buffer)->b_data[0], (STp->buffer)->b_data[1],
STp596drivers/scsi/st.c(STp->buffer)->b_data[2], (STp->buffer)->b_data[3]);
STp599drivers/scsi/st.cif ((STp->buffer)->b_data[3] >= 8) {
STp600drivers/scsi/st.cSTp->drv_buffer = ((STp->buffer)->b_data[2] >> 4) & 7;
STp601drivers/scsi/st.cSTp->density = (STp->buffer)->b_data[4];
STp602drivers/scsi/st.cSTp->block_size = (STp->buffer)->b_data[9] * 65536 +
STp603drivers/scsi/st.c(STp->buffer)->b_data[10] * 256 + (STp->buffer)->b_data[11];
STp607drivers/scsi/st.cdev, STp->density, (STp->buffer)->b_data[5] * 65536 +
STp608drivers/scsi/st.c(STp->buffer)->b_data[6] * 256 + (STp->buffer)->b_data[7],
STp609drivers/scsi/st.cSTp->drv_buffer);
STp611drivers/scsi/st.cif (STp->block_size > st_buffer_size) {
STp613drivers/scsi/st.cSTp->block_size);
STp614drivers/scsi/st.c(STp->buffer)->in_use = 0;
STp615drivers/scsi/st.cSTp->in_use = 0;
STp621drivers/scsi/st.cSTp->block_size = 512;  /* "Educated Guess" (?) */
STp623drivers/scsi/st.cif (STp->block_size > 0) {
STp624drivers/scsi/st.c(STp->buffer)->buffer_blocks = st_buffer_size / STp->block_size;
STp625drivers/scsi/st.c(STp->buffer)->buffer_size =
STp626drivers/scsi/st.c(STp->buffer)->buffer_blocks * STp->block_size;
STp629drivers/scsi/st.c(STp->buffer)->buffer_blocks = 1;
STp630drivers/scsi/st.c(STp->buffer)->buffer_size = st_buffer_size;
STp632drivers/scsi/st.c(STp->buffer)->buffer_bytes = (STp->buffer)->read_pointer = 0;
STp637drivers/scsi/st.cSTp->block_size, (STp->buffer)->buffer_size,
STp638drivers/scsi/st.c(STp->buffer)->buffer_blocks);
STp641drivers/scsi/st.cSTp->drv_write_prot = ((STp->buffer)->b_data[2] & 0x80) != 0;
STp642drivers/scsi/st.cif (STp->drv_write_prot) {
STp643drivers/scsi/st.cSTp->write_prot = 1;
STp649drivers/scsi/st.c(STp->buffer)->in_use = 0;
STp650drivers/scsi/st.cSTp->buffer = 0;
STp651drivers/scsi/st.cSTp->in_use = 0;
STp673drivers/scsi/st.cScsi_Tape * STp;
STp679drivers/scsi/st.cSTp = &(scsi_tapes[dev]);
STp681drivers/scsi/st.cif ( STp->rw == ST_WRITING) {
STp691drivers/scsi/st.cSCpnt = allocate_device(NULL, STp->device, 1);
STp696drivers/scsi/st.ccmd[4] = 1 + STp->two_fm;
STp699drivers/scsi/st.c(void *) cmd, (void *) (STp->buffer)->b_data,
STp706drivers/scsi/st.cif (SCpnt->request.dev == dev) sleep_on( &(STp->waiting) );
STp710drivers/scsi/st.cif ((STp->buffer)->last_result_fatal != 0) {
STp716drivers/scsi/st.cif ((STp->mt_status)->mt_fileno >= 0)
STp717drivers/scsi/st.c(STp->mt_status)->mt_fileno++ ;
STp718drivers/scsi/st.cSTp->drv_block = 0;
STp719drivers/scsi/st.cif (STp->two_fm)
STp732drivers/scsi/st.cif ((STp->eof == ST_FM) && !STp->eof_hit)
STp742drivers/scsi/st.cif (STp->buffer != NULL)
STp743drivers/scsi/st.c(STp->buffer)->in_use = 0;
STp744drivers/scsi/st.cSTp->in_use = 0;
STp765drivers/scsi/st.cScsi_Tape * STp;
STp769drivers/scsi/st.cSTp = &(scsi_tapes[dev]);
STp770drivers/scsi/st.cif (STp->ready != ST_READY)
STp773drivers/scsi/st.cif (!STp->in_use) {
STp779drivers/scsi/st.cif (STp->write_prot)
STp782drivers/scsi/st.cif (STp->block_size == 0 && count > st_buffer_size)
STp785drivers/scsi/st.cif (STp->rw == ST_READING) {
STp789drivers/scsi/st.cSTp->rw = ST_WRITING;
STp792drivers/scsi/st.cif (STp->moves_after_eof < 255)
STp793drivers/scsi/st.cSTp->moves_after_eof++;
STp795drivers/scsi/st.cif ((STp->buffer)->writing) {
STp797drivers/scsi/st.cif ((STp->buffer)->last_result_fatal) {
STp801drivers/scsi/st.c(STp->buffer)->last_result);
STp803drivers/scsi/st.cif ((STp->buffer)->last_result == INT_MAX) {
STp805drivers/scsi/st.cSTp->eof = ST_EOM_OK;
STp813drivers/scsi/st.cif (STp->eof == ST_EOM_OK)
STp815drivers/scsi/st.celse if (STp->eof == ST_EOM_ERROR)
STp818drivers/scsi/st.cif (!STp->do_buffer_writes) {
STp819drivers/scsi/st.cif (STp->block_size != 0 && (count % STp->block_size) != 0)
STp824drivers/scsi/st.cwrite_threshold = (STp->buffer)->buffer_size;
STp825drivers/scsi/st.cif (!STp->do_async_writes)
STp828drivers/scsi/st.cSCpnt = allocate_device(NULL, STp->device, 1);
STp834drivers/scsi/st.ccmd[1] = (STp->block_size != 0);
STp836drivers/scsi/st.cSTp->rw = ST_WRITING;
STp839drivers/scsi/st.cwhile((STp->block_size == 0 && !STp->do_async_writes && count > 0) ||
STp840drivers/scsi/st.c(STp->block_size != 0 &&
STp841drivers/scsi/st.c(STp->buffer)->buffer_bytes + count > write_threshold))
STp844drivers/scsi/st.cif (STp->block_size == 0)
STp847drivers/scsi/st.cdo_count = (STp->buffer)->buffer_size - (STp->buffer)->buffer_bytes;
STp851drivers/scsi/st.cmemcpy_fromfs((STp->buffer)->b_data +
STp852drivers/scsi/st.c(STp->buffer)->buffer_bytes, b_point, do_count);
STp854drivers/scsi/st.cif (STp->block_size == 0)
STp857drivers/scsi/st.cblks = ((STp->buffer)->buffer_bytes + do_count) /
STp858drivers/scsi/st.cSTp->block_size;
STp859drivers/scsi/st.ctransfer = blks * STp->block_size;
STp867drivers/scsi/st.c(void *) cmd, (STp->buffer)->b_data, transfer,
STp874drivers/scsi/st.cif (SCpnt->request.dev == dev) sleep_on( &(STp->waiting) );
STp877drivers/scsi/st.cif ((STp->buffer)->last_result_fatal != 0) {
STp884drivers/scsi/st.cif (STp->block_size != 0 && (SCpnt->sense_buffer[0] & 0x80) != 0)
STp888drivers/scsi/st.celse if (STp->block_size == 0 &&
STp893drivers/scsi/st.cif (STp->block_size != 0)
STp894drivers/scsi/st.ctransfer *= STp->block_size;
STp898drivers/scsi/st.cif (STp->drv_block >= 0) {
STp899drivers/scsi/st.cif (STp->block_size == 0 && transfer < do_count)
STp900drivers/scsi/st.cSTp->drv_block++;
STp901drivers/scsi/st.celse if (STp->block_size != 0)
STp902drivers/scsi/st.cSTp->drv_block += (do_count - transfer) / STp->block_size;
STp904drivers/scsi/st.cSTp->eof = ST_EOM_OK;
STp913drivers/scsi/st.cSTp->eof = ST_EOM_ERROR;
STp914drivers/scsi/st.cSTp->drv_block = (-1);    /* Too cautious? */
STp923drivers/scsi/st.cSTp->drv_block = (-1);    /* Too cautious? */
STp928drivers/scsi/st.c(STp->buffer)->buffer_bytes = 0;
STp929drivers/scsi/st.cSTp->dirty = 0;
STp938drivers/scsi/st.cif (STp->drv_block >= 0) {
STp939drivers/scsi/st.cif (STp->block_size == 0)
STp940drivers/scsi/st.cSTp->drv_block++;
STp942drivers/scsi/st.cSTp->drv_block += blks;
STp944drivers/scsi/st.c(STp->buffer)->buffer_bytes = 0;
STp945drivers/scsi/st.cSTp->dirty = 0;
STp948drivers/scsi/st.cSTp->dirty = 1;
STp949drivers/scsi/st.cmemcpy_fromfs((STp->buffer)->b_data +
STp950drivers/scsi/st.c(STp->buffer)->buffer_bytes,b_point,count);
STp952drivers/scsi/st.c(STp->buffer)->buffer_bytes += count;
STp956drivers/scsi/st.cif (doing_write && (STp->buffer)->last_result_fatal != 0) {
STp958drivers/scsi/st.creturn (STp->buffer)->last_result_fatal;
STp961drivers/scsi/st.cif (STp->do_async_writes &&
STp962drivers/scsi/st.c((STp->buffer)->buffer_bytes >= STp->write_threshold ||
STp963drivers/scsi/st.cSTp->block_size == 0) ) {
STp965drivers/scsi/st.cif (STp->block_size == 0)
STp966drivers/scsi/st.c(STp->buffer)->writing = (STp->buffer)->buffer_bytes;
STp968drivers/scsi/st.c(STp->buffer)->writing = ((STp->buffer)->buffer_bytes /
STp969drivers/scsi/st.cSTp->block_size) * STp->block_size;
STp970drivers/scsi/st.cSTp->dirty = !((STp->buffer)->writing ==
STp971drivers/scsi/st.c(STp->buffer)->buffer_bytes);
STp973drivers/scsi/st.cif (STp->block_size == 0)
STp974drivers/scsi/st.cblks = (STp->buffer)->writing;
STp976drivers/scsi/st.cblks = (STp->buffer)->writing / STp->block_size;
STp980drivers/scsi/st.cSCpnt->result = (STp->buffer)->last_result = -1;
STp984drivers/scsi/st.c(void *) cmd, (STp->buffer)->b_data,
STp985drivers/scsi/st.c(STp->buffer)->writing,
STp991drivers/scsi/st.cSTp->at_sm &= (total != 0);
STp1005drivers/scsi/st.cScsi_Tape * STp;
STp1009drivers/scsi/st.cSTp = &(scsi_tapes[dev]);
STp1010drivers/scsi/st.cif (STp->ready != ST_READY)
STp1013drivers/scsi/st.cif (!STp->in_use) {
STp1019drivers/scsi/st.cif (STp->block_size == 0 && count > st_buffer_size)
STp1022drivers/scsi/st.cif (!(STp->do_read_ahead) && STp->block_size != 0 &&
STp1023drivers/scsi/st.c(count % STp->block_size) != 0)
STp1026drivers/scsi/st.cif (STp->rw == ST_WRITING) {
STp1030drivers/scsi/st.cSTp->rw = ST_READING;
STp1032drivers/scsi/st.cif (STp->moves_after_eof < 255)
STp1033drivers/scsi/st.cSTp->moves_after_eof++;
STp1036drivers/scsi/st.cif (debugging && STp->eof != ST_NOEOF)
STp1038drivers/scsi/st.c(STp->buffer)->buffer_bytes);
STp1040drivers/scsi/st.cif (((STp->buffer)->buffer_bytes == 0) &&
STp1041drivers/scsi/st.c(STp->eof == ST_EOM_OK || STp->eof == ST_EOD))
STp1044drivers/scsi/st.cSTp->rw = ST_READING;
STp1046drivers/scsi/st.cSCpnt = allocate_device(NULL, STp->device, 1);
STp1050drivers/scsi/st.cif ((STp->buffer)->buffer_bytes == 0 &&
STp1051drivers/scsi/st.cSTp->eof == ST_NOEOF) {
STp1055drivers/scsi/st.ccmd[1] = (STp->block_size != 0);
STp1056drivers/scsi/st.cif (STp->block_size == 0)
STp1059drivers/scsi/st.cif (STp->do_read_ahead) {
STp1060drivers/scsi/st.cblks = (STp->buffer)->buffer_blocks;
STp1061drivers/scsi/st.cbytes = blks * STp->block_size;
STp1067drivers/scsi/st.cblks = bytes / STp->block_size;
STp1068drivers/scsi/st.cbytes = blks * STp->block_size;
STp1078drivers/scsi/st.c(void *) cmd, (STp->buffer)->b_data,
STp1085drivers/scsi/st.cif (SCpnt->request.dev == dev) sleep_on( &(STp->waiting) );
STp1088drivers/scsi/st.c(STp->buffer)->read_pointer = 0;
STp1089drivers/scsi/st.cSTp->eof_hit = 0;
STp1090drivers/scsi/st.cSTp->at_sm = 0;
STp1092drivers/scsi/st.cif ((STp->buffer)->last_result_fatal) {
STp1111drivers/scsi/st.cif (STp->block_size == 0 &&
STp1116drivers/scsi/st.cif (STp->block_size == 0) {
STp1119drivers/scsi/st.c(STp->buffer)->buffer_bytes = bytes - transfer;
STp1128drivers/scsi/st.cSTp->eof = ST_EOM_OK;
STp1129drivers/scsi/st.cif (STp->block_size == 0)
STp1130drivers/scsi/st.c(STp->buffer)->buffer_bytes = bytes - transfer;
STp1132drivers/scsi/st.c(STp->buffer)->buffer_bytes =
STp1133drivers/scsi/st.cbytes - transfer * STp->block_size;
STp1137drivers/scsi/st.c(STp->buffer)->buffer_bytes);
STp1141drivers/scsi/st.cSTp->eof = ST_FM;
STp1142drivers/scsi/st.cif (STp->block_size == 0)
STp1143drivers/scsi/st.c(STp->buffer)->buffer_bytes = 0;
STp1145drivers/scsi/st.c(STp->buffer)->buffer_bytes =
STp1146drivers/scsi/st.cbytes - transfer * STp->block_size;
STp1151drivers/scsi/st.cdev, (STp->buffer)->buffer_bytes, total);
STp1161drivers/scsi/st.cSTp->drv_block = (-1);
STp1164drivers/scsi/st.celse if (STp->moves_after_eof == 1 &&
STp1171drivers/scsi/st.cSTp->eof = ST_EOD;
STp1179drivers/scsi/st.ctransfer = (STp->buffer)->last_result_fatal;
STp1185drivers/scsi/st.c(STp->buffer)->buffer_bytes = bytes;
STp1187drivers/scsi/st.cif (STp->drv_block >= 0) {
STp1188drivers/scsi/st.cif (STp->block_size == 0)
STp1189drivers/scsi/st.cSTp->drv_block++;
STp1191drivers/scsi/st.cSTp->drv_block += (STp->buffer)->buffer_bytes / STp->block_size;
STp1197drivers/scsi/st.cif ((STp->buffer)->buffer_bytes > 0) {
STp1199drivers/scsi/st.cif (debugging && STp->eof != ST_NOEOF)
STp1201drivers/scsi/st.c(STp->buffer)->buffer_bytes, count - total);
STp1203drivers/scsi/st.ctransfer = (STp->buffer)->buffer_bytes < count - total ?
STp1204drivers/scsi/st.c(STp->buffer)->buffer_bytes : count - total;
STp1205drivers/scsi/st.cmemcpy_tofs(buf, (STp->buffer)->b_data +
STp1206drivers/scsi/st.c(STp->buffer)->read_pointer,transfer);
STp1210drivers/scsi/st.c(STp->buffer)->buffer_bytes -= transfer;
STp1211drivers/scsi/st.c(STp->buffer)->read_pointer += transfer;
STp1213drivers/scsi/st.celse if (STp->eof != ST_NOEOF) {
STp1214drivers/scsi/st.cSTp->eof_hit = 1;
STp1216drivers/scsi/st.cif (total == 0 && STp->eof == ST_FM) {
STp1217drivers/scsi/st.cSTp->eof = ST_NOEOF;
STp1218drivers/scsi/st.cSTp->drv_block = 0;
STp1219drivers/scsi/st.cif (STp->moves_after_eof > 1)
STp1220drivers/scsi/st.cSTp->moves_after_eof = 0;
STp1221drivers/scsi/st.cif ((STp->mt_status)->mt_fileno >= 0)
STp1222drivers/scsi/st.c(STp->mt_status)->mt_fileno++;
STp1224drivers/scsi/st.cif (total == 0 && STp->eof == ST_EOM_OK)
STp1229drivers/scsi/st.cif (STp->block_size == 0)
STp1246drivers/scsi/st.cScsi_Tape *STp;
STp1249drivers/scsi/st.cSTp = &(scsi_tapes[dev]);
STp1251drivers/scsi/st.cSTp->do_buffer_writes = (options & MT_ST_BUFFER_WRITES) != 0;
STp1252drivers/scsi/st.cSTp->do_async_writes  = (options & MT_ST_ASYNC_WRITES) != 0;
STp1253drivers/scsi/st.cSTp->do_read_ahead    = (options & MT_ST_READ_AHEAD) != 0;
STp1254drivers/scsi/st.cSTp->two_fm      = (options & MT_ST_TWO_FM) != 0;
STp1255drivers/scsi/st.cSTp->fast_mteom    = (options & MT_ST_FAST_MTEOM) != 0;
STp1260drivers/scsi/st.cdev, STp->do_buffer_writes, STp->do_async_writes,
STp1261drivers/scsi/st.cSTp->do_read_ahead);
STp1263drivers/scsi/st.cSTp->two_fm, STp->fast_mteom, debugging);
STp1273drivers/scsi/st.cSTp->write_threshold = value;
STp1276drivers/scsi/st.cSTp->write_threshold);
STp1297drivers/scsi/st.cScsi_Tape * STp;
STp1302drivers/scsi/st.cSTp = &(scsi_tapes[dev]);
STp1303drivers/scsi/st.cif (STp->ready != ST_READY)
STp1305drivers/scsi/st.cfileno = (STp->mt_status)->mt_fileno ;
STp1306drivers/scsi/st.cblkno = STp->drv_block;
STp1307drivers/scsi/st.cat_sm = STp->at_sm;
STp1422drivers/scsi/st.cif (STp->write_prot)
STp1491drivers/scsi/st.cif (!STp->fast_mteom) {
STp1494drivers/scsi/st.cfileno = (STp->mt_status)->mt_fileno ;
STp1495drivers/scsi/st.cif (STp->eof == ST_EOD || STp->eof == ST_EOM_OK)
STp1514drivers/scsi/st.cif (STp->write_prot)
STp1531drivers/scsi/st.cif ((STp->device)->scsi_level < SCSI_2) {
STp1560drivers/scsi/st.cif (STp->dirty || (STp->buffer)->buffer_bytes != 0)
STp1564drivers/scsi/st.c(arg < STp->min_block || arg > STp->max_block ||
STp1572drivers/scsi/st.cmemset((STp->buffer)->b_data, 0, 12);
STp1574drivers/scsi/st.c(STp->buffer)->b_data[2] = (arg & 7) << 4;
STp1576drivers/scsi/st.c(STp->buffer)->b_data[2] = 
STp1577drivers/scsi/st.cSTp->drv_buffer << 4;
STp1578drivers/scsi/st.c(STp->buffer)->b_data[3] = 8;     /* block descriptor length */
STp1580drivers/scsi/st.c(STp->buffer)->b_data[4] = arg;
STp1582drivers/scsi/st.c(STp->buffer)->b_data[4] = STp->density;
STp1586drivers/scsi/st.cltmp = STp->block_size;
STp1587drivers/scsi/st.c(STp->buffer)->b_data[9] = (ltmp >> 16);
STp1588drivers/scsi/st.c(STp->buffer)->b_data[10] = (ltmp >> 8);
STp1589drivers/scsi/st.c(STp->buffer)->b_data[11] = ltmp;
STp1595drivers/scsi/st.c(STp->buffer)->b_data[9] * 65536 +
STp1596drivers/scsi/st.c(STp->buffer)->b_data[10] * 256 +
STp1597drivers/scsi/st.c(STp->buffer)->b_data[11]);
STp1600drivers/scsi/st.c(STp->buffer)->b_data[4]);
STp1603drivers/scsi/st.c((STp->buffer)->b_data[2] >> 4) & 7);
STp1612drivers/scsi/st.cSCpnt = allocate_device(NULL, STp->device, 1);
STp1616drivers/scsi/st.c(void *) cmd, (void *) (STp->buffer)->b_data, datalen,
STp1623drivers/scsi/st.cif (SCpnt->request.dev == dev) sleep_on( &(STp->waiting) );
STp1627drivers/scsi/st.cioctl_result = (STp->buffer)->last_result_fatal;
STp1632drivers/scsi/st.cSTp->moves_after_eof = 0;
STp1634drivers/scsi/st.cSTp->moves_after_eof = 1;
STp1637drivers/scsi/st.cSTp->drv_block = blkno;
STp1638drivers/scsi/st.c(STp->mt_status)->mt_fileno = fileno;
STp1639drivers/scsi/st.cSTp->at_sm = at_sm;
STp1642drivers/scsi/st.cSTp->drv_block = (STp->mt_status)->mt_fileno = (-1);
STp1643drivers/scsi/st.cSTp->at_sm = 0;
STp1650drivers/scsi/st.cSTp->block_size = arg;
STp1652drivers/scsi/st.c(STp->buffer)->buffer_blocks =
STp1653drivers/scsi/st.cst_buffer_size / STp->block_size;
STp1654drivers/scsi/st.c(STp->buffer)->buffer_size =
STp1655drivers/scsi/st.c(STp->buffer)->buffer_blocks * STp->block_size;
STp1658drivers/scsi/st.c(STp->buffer)->buffer_blocks = 1;
STp1659drivers/scsi/st.c(STp->buffer)->buffer_size = st_buffer_size;
STp1661drivers/scsi/st.c(STp->buffer)->buffer_bytes =
STp1662drivers/scsi/st.c(STp->buffer)->read_pointer = 0;
STp1665drivers/scsi/st.cSTp->drv_buffer = (arg & 7);
STp1667drivers/scsi/st.cSTp->density = arg;
STp1669drivers/scsi/st.cSTp->eof = ST_EOD;
STp1670drivers/scsi/st.cSTp->eof_hit = 0;
STp1673drivers/scsi/st.cSTp->eof = ST_NOEOF;
STp1674drivers/scsi/st.cSTp->eof_hit = 0;
STp1680drivers/scsi/st.cSTp->eof = ST_EOM_OK;
STp1681drivers/scsi/st.cSTp->eof_hit = 0;
STp1682drivers/scsi/st.cSTp->drv_block = 0;
STp1691drivers/scsi/st.c(STp->mt_status)->mt_fileno = fileno - undone ;
STp1693drivers/scsi/st.c(STp->mt_status)->mt_fileno = fileno;
STp1694drivers/scsi/st.cSTp->drv_block = 0;
STp1697drivers/scsi/st.c(STp->mt_status)->mt_fileno = fileno + undone ;
STp1698drivers/scsi/st.cSTp->drv_block = 0;
STp1702drivers/scsi/st.c(STp->mt_status)->mt_fileno++;
STp1703drivers/scsi/st.cSTp->drv_block = 0;
STp1707drivers/scsi/st.cSTp->drv_block = blkno - undone;
STp1709drivers/scsi/st.cSTp->drv_block = (-1);
STp1714drivers/scsi/st.c(STp->mt_status)->mt_fileno--;
STp1715drivers/scsi/st.cSTp->drv_block = (-1);
STp1719drivers/scsi/st.cSTp->drv_block = blkno + undone;
STp1721drivers/scsi/st.cSTp->drv_block = (-1);
STp1725drivers/scsi/st.c(STp->mt_status)->mt_fileno = (-1);
STp1726drivers/scsi/st.cSTp->drv_block = (-1);
STp1728drivers/scsi/st.cif (STp->eof == ST_NOEOF &&
STp1730drivers/scsi/st.cSTp->eof = ST_EOD;
STp1749drivers/scsi/st.cScsi_Tape *STp;
STp1753drivers/scsi/st.cSTp = &(scsi_tapes[dev]);
STp1755drivers/scsi/st.cif (debugging && !STp->in_use) {
STp1781drivers/scsi/st.cSTp->rw = ST_IDLE;  /* Prevent automatic WEOF */
STp1797drivers/scsi/st.c(STp->mt_status)->mt_dsreg =
STp1798drivers/scsi/st.c((STp->block_size << MT_ST_BLKSIZE_SHIFT) & MT_ST_BLKSIZE_MASK) |
STp1799drivers/scsi/st.c((STp->density << MT_ST_DENSITY_SHIFT) & MT_ST_DENSITY_MASK);
STp1800drivers/scsi/st.c(STp->mt_status)->mt_blkno = STp->drv_block;
STp1801drivers/scsi/st.cif (STp->block_size != 0) {
STp1802drivers/scsi/st.cif (STp->rw == ST_WRITING)
STp1803drivers/scsi/st.c(STp->mt_status)->mt_blkno +=
STp1804drivers/scsi/st.c(STp->buffer)->buffer_bytes / STp->block_size;
STp1805drivers/scsi/st.celse if (STp->rw == ST_READING)
STp1806drivers/scsi/st.c(STp->mt_status)->mt_blkno -= ((STp->buffer)->buffer_bytes +
STp1807drivers/scsi/st.cSTp->block_size - 1) / STp->block_size;
STp1810drivers/scsi/st.c(STp->mt_status)->mt_gstat = 0;
STp1811drivers/scsi/st.cif (STp->drv_write_prot)
STp1812drivers/scsi/st.c(STp->mt_status)->mt_gstat |= GMT_WR_PROT(0xffffffff);
STp1813drivers/scsi/st.cif ((STp->mt_status)->mt_blkno == 0) {
STp1814drivers/scsi/st.cif ((STp->mt_status)->mt_fileno == 0)
STp1815drivers/scsi/st.c(STp->mt_status)->mt_gstat |= GMT_BOT(0xffffffff);
STp1817drivers/scsi/st.c(STp->mt_status)->mt_gstat |= GMT_EOF(0xffffffff);
STp1819drivers/scsi/st.cif (STp->eof == ST_EOM_OK || STp->eof == ST_EOM_ERROR)
STp1820drivers/scsi/st.c(STp->mt_status)->mt_gstat |= GMT_EOT(0xffffffff);
STp1821drivers/scsi/st.celse if (STp->eof == ST_EOD)
STp1822drivers/scsi/st.c(STp->mt_status)->mt_gstat |= GMT_EOD(0xffffffff);
STp1823drivers/scsi/st.cif (STp->density == 1)
STp1824drivers/scsi/st.c(STp->mt_status)->mt_gstat |= GMT_D_800(0xffffffff);
STp1825drivers/scsi/st.celse if (STp->density == 2)
STp1826drivers/scsi/st.c(STp->mt_status)->mt_gstat |= GMT_D_1600(0xffffffff);
STp1827drivers/scsi/st.celse if (STp->density == 3)
STp1828drivers/scsi/st.c(STp->mt_status)->mt_gstat |= GMT_D_6250(0xffffffff);
STp1829drivers/scsi/st.cif (STp->ready == ST_READY)
STp1830drivers/scsi/st.c(STp->mt_status)->mt_gstat |= GMT_ONLINE(0xffffffff);
STp1831drivers/scsi/st.cif (STp->ready == ST_NO_TAPE)
STp1832drivers/scsi/st.c(STp->mt_status)->mt_gstat |= GMT_DR_OPEN(0xffffffff);
STp1833drivers/scsi/st.cif (STp->at_sm)
STp1834drivers/scsi/st.c(STp->mt_status)->mt_gstat |= GMT_SM(0xffffffff);
STp1836drivers/scsi/st.cmemcpy_tofs((char *)arg, (char *)(STp->mt_status),
STp1839drivers/scsi/st.c(STp->mt_status)->mt_erreg = 0;  /* Clear after read */
STp1843drivers/scsi/st.cif (STp->ready != ST_READY)
STp1860drivers/scsi/st.cSCpnt = allocate_device(NULL, STp->device, 1);
STp1864drivers/scsi/st.cif ((STp->device)->scsi_level < SCSI_2) {
STp1875drivers/scsi/st.c(void *) scmd, (void *) (STp->buffer)->b_data,
STp1882drivers/scsi/st.cif (SCpnt->request.dev == dev) sleep_on( &(STp->waiting) );
STp1886drivers/scsi/st.cif ((STp->buffer)->last_result_fatal != 0) {
STp1896drivers/scsi/st.cif ((STp->device)->scsi_level < SCSI_2)
STp1897drivers/scsi/st.cmt_pos.mt_blkno = ((STp->buffer)->b_data[0] << 16) 
STp1898drivers/scsi/st.c+ ((STp->buffer)->b_data[1] << 8) 
STp1899drivers/scsi/st.c+ (STp->buffer)->b_data[2];
STp1901drivers/scsi/st.cmt_pos.mt_blkno = ((STp->buffer)->b_data[4] << 24)
STp1902drivers/scsi/st.c+ ((STp->buffer)->b_data[5] << 16) 
STp1903drivers/scsi/st.c+ ((STp->buffer)->b_data[6] << 8) 
STp1904drivers/scsi/st.c+ (STp->buffer)->b_data[7];
STp1913drivers/scsi/st.celse if (STp->ready == ST_READY)
STp1914drivers/scsi/st.creturn scsi_ioctl(STp->device, cmd_in, (void *) arg);
STp1993drivers/scsi/st.cScsi_Tape * STp;
STp2018drivers/scsi/st.cSTp = &(scsi_tapes[i]);
STp2019drivers/scsi/st.cSTp->device = NULL;
STp2020drivers/scsi/st.cSTp->capacity = 0xfffff;
STp2021drivers/scsi/st.cSTp->dirty = 0;
STp2022drivers/scsi/st.cSTp->rw = ST_IDLE;
STp2023drivers/scsi/st.cSTp->eof = ST_NOEOF;
STp2024drivers/scsi/st.cSTp->waiting = NULL;
STp2025drivers/scsi/st.cSTp->in_use = 0;
STp2026drivers/scsi/st.cSTp->drv_buffer = 1;  /* Try buffering if no mode sense */
STp2027drivers/scsi/st.cSTp->density = 0;
STp2028drivers/scsi/st.cSTp->do_buffer_writes = ST_BUFFER_WRITES;
STp2029drivers/scsi/st.cSTp->do_async_writes = ST_ASYNC_WRITES;
STp2030drivers/scsi/st.cSTp->do_read_ahead = ST_READ_AHEAD;
STp2031drivers/scsi/st.cSTp->two_fm = ST_TWO_FM;
STp2032drivers/scsi/st.cSTp->fast_mteom = ST_FAST_MTEOM;
STp2033drivers/scsi/st.cSTp->write_threshold = st_write_threshold;
STp2034drivers/scsi/st.cSTp->drv_block = 0;
STp2035drivers/scsi/st.cSTp->moves_after_eof = 1;
STp2036drivers/scsi/st.cSTp->at_sm = 0;
STp2037drivers/scsi/st.cSTp->mt_status = (struct mtget *) scsi_init_malloc(sizeof(struct mtget), GFP_ATOMIC);