Commit f85fae3f authored by Douglas Gilbert's avatar Douglas Gilbert Committed by Linus Torvalds

[PATCH] osst update

This is the OnStream variant of the st driver that
has been in Dave's tree for some time.

The change looks like it is from Willem Riede (osst@riede.org)
and that it has been forwarded ported from lk 2.4 .
parent c99b1407
......@@ -16,15 +16,15 @@
Copyright 1992 - 2000 Kai Makisara
email Kai.Makisara@metla.fi
$Header: /home/cvsroot/Driver/osst.c,v 1.61 2001/06/03 21:55:12 riede Exp $
$Header: /home/cvsroot/Driver/osst.c,v 1.65 2001/11/11 20:38:56 riede Exp $
Microscopic alterations - Rik Ling, 2000/12/21
Last modified: Wed Feb 2 22:04:05 2000 by makisara@kai.makisara.local
Some small formal changes - aeb, 950809
*/
static const char * cvsid = "$Id: osst.c,v 1.61 2001/06/03 21:55:12 riede Exp $";
const char * osst_version = "0.9.8";
static const char * cvsid = "$Id: osst.c,v 1.65 2001/11/11 20:38:56 riede Exp $";
const char * osst_version = "0.9.10";
/* The "failure to reconnect" firmware bug */
#define OSST_FW_NEED_POLL_MIN 10601 /*(107A)*/
......@@ -226,20 +226,20 @@ static int osst_chk_result(OS_Scsi_Tape * STp, Scsi_Request * SRpnt)
SRpnt->sr_cmnd[0] != MODE_SENSE &&
SRpnt->sr_cmnd[0] != TEST_UNIT_READY)) { /* Abnormal conditions for tape */
if (driver_byte(result) & DRIVER_SENSE) {
printk(KERN_WARNING "osst%d:W: Error with sense data: ", dev);
print_req_sense("osst", SRpnt);
printk(KERN_WARNING "osst%d:W: Command with sense data: ", dev);
print_req_sense("osst:", SRpnt);
}
else {
static int notyetprinted = 1;
printk(KERN_WARNING
"osst%d:W: Error %x (sugg. bt 0x%x, driver bt 0x%x, host bt 0x%x).\n",
"osst%d:W: Warning %x (sugg. bt 0x%x, driver bt 0x%x, host bt 0x%x).\n",
dev, result, suggestion(result), driver_byte(result) & DRIVER_MASK,
host_byte(result));
if (notyetprinted) {
notyetprinted = 0;
printk(KERN_INFO
"osst%d:I: This error may be caused by your scsi controller,\n", dev);
"osst%d:I: This warning may be caused by your scsi controller,\n", dev);
printk(KERN_INFO
"osst%d:I: it has been reported with some Buslogic cards.\n", dev);
}
......@@ -271,11 +271,10 @@ static int osst_chk_result(OS_Scsi_Tape * STp, Scsi_Request * SRpnt)
/* Wakeup from interrupt */
static void osst_sleep_done (Scsi_Cmnd * SCpnt)
{
unsigned int dev;
unsigned int dev = TAPE_NR(SCpnt->request.rq_dev);
OS_Scsi_Tape * STp;
if ((dev = TAPE_NR(SCpnt->request.rq_dev)) < osst_template.nr_dev) {
STp = os_scsi_tapes[dev];
if (os_scsi_tapes && (STp = os_scsi_tapes[dev])) {
if ((STp->buffer)->writing &&
(SCpnt->sense_buffer[0] & 0x70) == 0x70 &&
(SCpnt->sense_buffer[2] & 0x40)) {
......@@ -482,7 +481,8 @@ static int osst_verify_frame(OS_Scsi_Tape * STp, int frame_seq_number, int quiet
memset(page_address(STp->buffer->sg[i].page),
0, STp->buffer->sg[i].length);
strcpy(STp->buffer->b_data, "READ ERROR ON FRAME");
}
} else
STp->buffer->buffer_bytes = OS_FRAME_SIZE;
return 1;
}
if (STp->buffer->syscall_result) {
......@@ -621,8 +621,10 @@ static int osst_wait_ready(OS_Scsi_Tape * STp, Scsi_Request ** aSRpnt, unsigned
if (!SRpnt) return (-EBUSY);
while ( STp->buffer->syscall_result && time_before(jiffies, startwait + timeout*HZ) &&
SRpnt->sr_sense_buffer[2] == 2 && SRpnt->sr_sense_buffer[12] == 4 &&
(SRpnt->sr_sense_buffer[13] == 1 || SRpnt->sr_sense_buffer[13] == 8) ) {
(( SRpnt->sr_sense_buffer[2] == 2 && SRpnt->sr_sense_buffer[12] == 4 &&
(SRpnt->sr_sense_buffer[13] == 1 || SRpnt->sr_sense_buffer[13] == 8) ) ||
( SRpnt->sr_sense_buffer[2] == 6 && SRpnt->sr_sense_buffer[12] == 0x28 &&
SRpnt->sr_sense_buffer[13] == 0 ) )) {
#if DEBUG
if (debugging) {
printk(OSST_DEB_MSG "osst%d:D: Sleeping in onstream wait ready\n", dev);
......@@ -630,7 +632,7 @@ static int osst_wait_ready(OS_Scsi_Tape * STp, Scsi_Request ** aSRpnt, unsigned
debugging = 0;
}
#endif
current->state = TASK_INTERRUPTIBLE;
set_current_state(TASK_INTERRUPTIBLE);
schedule_timeout(HZ / 10);
memset(cmd, 0, MAX_COMMAND_SIZE);
......@@ -658,6 +660,66 @@ static int osst_wait_ready(OS_Scsi_Tape * STp, Scsi_Request ** aSRpnt, unsigned
return 0;
}
/*
* Wait for a tape to be inserted in the unit
*/
static int osst_wait_for_medium(OS_Scsi_Tape * STp, Scsi_Request ** aSRpnt, unsigned timeout)
{
unsigned char cmd[MAX_COMMAND_SIZE];
Scsi_Request * SRpnt;
long startwait = jiffies;
#if DEBUG
int dbg = debugging;
int dev = TAPE_NR(STp->devt);
printk(OSST_DEB_MSG "osst%d:D: Reached onstream wait for medium\n", dev);
#endif
memset(cmd, 0, MAX_COMMAND_SIZE);
cmd[0] = TEST_UNIT_READY;
SRpnt = osst_do_scsi(*aSRpnt, STp, cmd, 0, SCSI_DATA_NONE, STp->timeout, MAX_READY_RETRIES, TRUE);
*aSRpnt = SRpnt;
if (!SRpnt) return (-EBUSY);
while ( STp->buffer->syscall_result && time_before(jiffies, startwait + timeout*HZ) &&
SRpnt->sr_sense_buffer[2] == 2 && SRpnt->sr_sense_buffer[12] == 0x3a &&
SRpnt->sr_sense_buffer[13] == 0 ) {
#if DEBUG
if (debugging) {
printk(OSST_DEB_MSG "osst%d:D: Sleeping in onstream wait medium\n", dev);
printk(OSST_DEB_MSG "osst%d:D: Turning off debugging for a while\n", dev);
debugging = 0;
}
#endif
set_current_state(TASK_INTERRUPTIBLE);
schedule_timeout(HZ / 10);
memset(cmd, 0, MAX_COMMAND_SIZE);
cmd[0] = TEST_UNIT_READY;
SRpnt = osst_do_scsi(SRpnt, STp, cmd, 0, SCSI_DATA_NONE, STp->timeout, MAX_READY_RETRIES, TRUE);
}
*aSRpnt = SRpnt;
#if DEBUG
debugging = dbg;
#endif
if ( STp->buffer->syscall_result && SRpnt->sr_sense_buffer[2] != 2 &&
SRpnt->sr_sense_buffer[12] != 4 && SRpnt->sr_sense_buffer[13] == 1) {
#if DEBUG
printk(OSST_DEB_MSG "osst%d:D: Abnormal exit from onstream wait medium\n", dev);
printk(OSST_DEB_MSG "osst%d:D: Result = %d, Sense: 0=%02x, 2=%02x, 12=%02x, 13=%02x\n", dev,
STp->buffer->syscall_result, SRpnt->sr_sense_buffer[0], SRpnt->sr_sense_buffer[2],
SRpnt->sr_sense_buffer[12], SRpnt->sr_sense_buffer[13]);
#endif
return 0;
}
#if DEBUG
printk(OSST_DEB_MSG "osst%d:D: Normal exit from onstream wait medium\n", dev);
#endif
return 1;
}
static int osst_position_tape_and_confirm(OS_Scsi_Tape * STp, Scsi_Request ** aSRpnt, int frame)
{
int retval;
......@@ -696,7 +758,7 @@ static int osst_flush_drive_buffer(OS_Scsi_Tape * STp, Scsi_Request ** aSRpnt)
result = osst_write_error_recovery(STp, aSRpnt, 0);
result |= osst_wait_ready(STp, aSRpnt, 5 * 60);
STp->ps[STp->partition].rw = ST_IDLE;
STp->ps[STp->partition].rw = OS_WRITING_COMPLETE;
return (result);
}
......@@ -745,7 +807,7 @@ static int osst_wait_frame(OS_Scsi_Tape * STp, Scsi_Request ** aSRpnt, int curr,
notyetprinted--;
}
#endif
current->state = TASK_INTERRUPTIBLE;
set_current_state(TASK_INTERRUPTIBLE);
schedule_timeout (HZ / OSST_POLL_PER_SEC);
}
#if DEBUG
......@@ -903,6 +965,8 @@ static int osst_get_logical_frame(OS_Scsi_Tape * STp, Scsi_Request ** aSRpnt, in
#endif
if ( osst_initiate_read(STp, aSRpnt)
|| ( (!STp->frame_in_buffer) && osst_read_frame(STp, aSRpnt, 30) ) ) {
if (STp->raw)
return (-EIO);
position = osst_get_frame_position(STp, aSRpnt);
if (position >= 0xbae && position < 0xbb8)
position = 0xbb8;
......@@ -968,7 +1032,7 @@ static int osst_get_logical_frame(OS_Scsi_Tape * STp, Scsi_Request ** aSRpnt, in
if (cnt > 1) {
STp->recover_count++;
STp->recover_erreg++;
printk(KERN_WARNING "osst%d:I: Read error at position %d recovered\n",
printk(KERN_WARNING "osst%d:I: Don't worry, Read error at position %d recovered\n",
dev, STp->read_error_frame);
}
STp->read_count++;
......@@ -1525,7 +1589,10 @@ static int osst_write_error_recovery(OS_Scsi_Tape * STp, Scsi_Request ** aSRpnt,
retval = osst_reposition_and_retry(STp, aSRpnt, frame, skip, pending);
else
retval = osst_read_back_buffer_and_rewrite(STp, aSRpnt, frame, skip, pending);
printk(KERN_WARNING "osst%d:I: Write error%srecovered\n", dev, retval?" not ":" ");
printk(KERN_WARNING "osst%d:%s: %sWrite error%srecovered\n", dev,
retval?"E" :"I",
retval?"" :"Don't worry, ",
retval?" not ":" ");
break;
case OS_WRITE_LAST_MARK:
printk(KERN_ERR "osst%d:E: Bad frame in update last marker, fatal\n", dev);
......@@ -1596,7 +1663,7 @@ static int osst_space_over_filemarks_backward(OS_Scsi_Tape * STp, Scsi_Request *
mt_count, last_mark_ppos);
#endif
if (last_mark_ppos > 10 && last_mark_ppos < STp->eod_frame_ppos) {
osst_set_frame_position(STp, aSRpnt, last_mark_ppos, 0);
osst_position_tape_and_confirm(STp, aSRpnt, last_mark_ppos);
if (osst_get_logical_frame(STp, aSRpnt, -1, 0) < 0) {
#if DEBUG
printk(OSST_DEB_MSG
......@@ -1628,7 +1695,7 @@ static int osst_space_over_filemarks_backward(OS_Scsi_Tape * STp, Scsi_Request *
#if DEBUG
printk(OSST_DEB_MSG "osst%d:D: Positioning to last mark at %d\n", dev, last_mark_ppos);
#endif
osst_set_frame_position(STp, aSRpnt, last_mark_ppos, 0);
osst_position_tape_and_confirm(STp, aSRpnt, last_mark_ppos);
cnt++;
if (osst_get_logical_frame(STp, aSRpnt, -1, 0) < 0) {
#if DEBUG
......@@ -1755,7 +1822,7 @@ static int osst_space_over_filemarks_forward_fast(OS_Scsi_Tape * STp, Scsi_Reque
#endif
return osst_space_over_filemarks_forward_slow(STp, aSRpnt, mt_op, mt_count);
} else {
osst_set_frame_position(STp, aSRpnt, next_mark_ppos, 0);
osst_position_tape_and_confirm(STp, aSRpnt, next_mark_ppos);
if (osst_get_logical_frame(STp, aSRpnt, -1, 0) < 0) {
#if DEBUG
printk(OSST_DEB_MSG "osst%d:D: Couldn't get logical blk num in space_filemarks\n",
......@@ -1795,7 +1862,7 @@ static int osst_space_over_filemarks_forward_fast(OS_Scsi_Tape * STp, Scsi_Reque
#endif
return osst_space_over_filemarks_forward_slow(STp, aSRpnt, mt_op, mt_count);
}
osst_set_frame_position(STp, aSRpnt, STp->first_mark_ppos, 0);
osst_position_tape_and_confirm(STp, aSRpnt, STp->first_mark_ppos);
if (osst_get_logical_frame(STp, aSRpnt, -1, 0) < 0) {
#if DEBUG
printk(OSST_DEB_MSG
......@@ -1827,7 +1894,7 @@ static int osst_space_over_filemarks_forward_fast(OS_Scsi_Tape * STp, Scsi_Reque
#if DEBUG
else printk(OSST_DEB_MSG "osst%d:D: Positioning to next mark at %d\n", dev, next_mark_ppos);
#endif
osst_set_frame_position(STp, aSRpnt, next_mark_ppos, 0);
osst_position_tape_and_confirm(STp, aSRpnt, next_mark_ppos);
cnt++;
if (osst_get_logical_frame(STp, aSRpnt, -1, 0) < 0) {
#if DEBUG
......@@ -2464,7 +2531,7 @@ static int osst_configure_onstream(OS_Scsi_Tape *STp, Scsi_Request ** aSRpnt)
}
#if DEBUG
printk(KERN_INFO "osst%d:D: Block Size changed to 32.5K\n", dev);
printk(KERN_INFO "osst%d:D: Drive Block Size changed to 32.5K\n", dev);
/*
* In debug mode, we want to see as many errors as possible
* to test the error recovery mechanism.
......@@ -3402,6 +3469,7 @@ static ssize_t osst_read(struct file * filp, char * buf, size_t count, loff_t *p
if (retval)
goto out;
STps->rw = ST_IDLE;
/* FIXME -- this may leave the tape without EOD and up2date headers */
}
if ((count % STp->block_size) != 0) {
......@@ -3814,6 +3882,10 @@ static int osst_int_ioctl(OS_Scsi_Tape * STp, Scsi_Request ** aSRpnt, unsigned i
ioctl_result = osst_flush_write_buffer(STp, &SRpnt);
else
ioctl_result = 0;
#if DEBUG
if (debugging)
printk(OSST_DEB_MSG "osst%d:D: Writing %ld filemark(s).\n", dev, arg);
#endif
for (i=0; i<arg; i++)
ioctl_result |= osst_write_filemark(STp, &SRpnt);
if (fileno >= 0) fileno += arg;
......@@ -3833,14 +3905,9 @@ static int osst_int_ioctl(OS_Scsi_Tape * STp, Scsi_Request ** aSRpnt, unsigned i
cmd[4] = arg;
timeout = STp->timeout;
#if DEBUG
if (debugging) {
if (cmd_in == MTWEOF)
printk(OSST_DEB_MSG "osst%d:D: Writing %d filemarks.\n", dev,
cmd[2] * 65536 + cmd[3] * 256 + cmd[4]);
else
printk(OSST_DEB_MSG "osst%d:D: Writing %d setmarks.\n", dev,
if (debugging)
printk(OSST_DEB_MSG "osst%d:D: Writing %d setmark(s).\n", dev,
cmd[2] * 65536 + cmd[3] * 256 + cmd[4]);
}
#endif
if (fileno >= 0)
fileno += arg;
......@@ -3853,8 +3920,12 @@ static int osst_int_ioctl(OS_Scsi_Tape * STp, Scsi_Request ** aSRpnt, unsigned i
case MTRETEN:
cmd[0] = START_STOP;
cmd[1] = 1; /* Don't wait for completion */
if (cmd_in == MTLOAD)
if (cmd_in == MTLOAD) {
if (STp->ready == ST_NO_TAPE)
cmd[4] = 4; /* open tray */
else
cmd[4] = 1; /* load */
}
if (cmd_in == MTRETEN)
cmd[4] = 3; /* retension then mount */
if (cmd_in == MTOFFL)
......@@ -3993,7 +4064,7 @@ static int osst_int_ioctl(OS_Scsi_Tape * STp, Scsi_Request ** aSRpnt, unsigned i
printk(OSST_DEB_MSG "osst%d:D: IOCTL (%d) Result=%d\n", dev, cmd_in, ioctl_result);
#endif
if (!ioctl_result) {
if (!ioctl_result) { /* success */
if (cmd_in == MTFSFM) {
fileno--;
......@@ -4070,6 +4141,8 @@ static int osst_int_ioctl(OS_Scsi_Tape * STp, Scsi_Request ** aSRpnt, unsigned i
if (cmd_in == MTLOCK)
STp->door_locked = ST_LOCK_FAILS;
if (cmd_in == MTLOAD && osst_wait_for_medium(STp, &SRpnt, 60))
ioctl_result = osst_wait_ready(STp, &SRpnt, 5 * 60);
}
*aSRpnt = SRpnt;
......@@ -4110,6 +4183,7 @@ static int os_scsi_tape_open(struct inode * inode, struct file * filp)
__MOD_INC_USE_COUNT(STp->device->host->hostt->module);
if (osst_template.module)
__MOD_INC_USE_COUNT(osst_template.module);
STp->device->access_count++;
if (mode != STp->current_mode) {
#if DEBUG
......@@ -4126,6 +4200,8 @@ static int os_scsi_tape_open(struct inode * inode, struct file * filp)
STp->write_prot = ((flags & O_ACCMODE) == O_RDONLY);
STp->raw = (minor(inode->i_rdev) & 0x40) != 0;
if (STp->raw)
STp->header_ok = 0;
/* Allocate a buffer for this user */
need_dma_buffer = STp->restr_dma;
......@@ -4264,8 +4340,8 @@ static int os_scsi_tape_open(struct inode * inode, struct file * filp)
STp->door_locked = ST_LOCKED_AUTO;
}
if (!STp->frame_in_buffer) {
STp->block_size = (STp->raw) ? OS_FRAME_SIZE : (
(STm->default_blksize > 0) ? STm->default_blksize : OS_DATA_SIZE);
STp->block_size = (STm->default_blksize > 0) ?
STm->default_blksize : OS_DATA_SIZE;
STp->buffer->buffer_bytes = STp->buffer->read_pointer = 0;
}
STp->buffer->buffer_blocks = OS_DATA_SIZE / STp->block_size;
......@@ -4358,8 +4434,6 @@ static int os_scsi_tape_open(struct inode * inode, struct file * filp)
return 0;
}
STp->min_block = STp->max_block = (-1);
osst_configure_onstream(STp, &SRpnt);
/* STp->drv_write_prot = ((STp->buffer)->b_data[2] & 0x80) != 0; FIXME */
......@@ -4386,11 +4460,9 @@ static int os_scsi_tape_open(struct inode * inode, struct file * filp)
} else
STp->buffer->aux = NULL; /* this had better never happen! */
STp->block_size = (STp->raw) ? OS_FRAME_SIZE : (
STp->block_size = STp->raw ? OS_FRAME_SIZE : (
(STm->default_blksize > 0) ? STm->default_blksize : OS_DATA_SIZE);
STp->min_block = 512;
STp->max_block = OS_DATA_SIZE;
STp->buffer->buffer_blocks = OS_DATA_SIZE / STp->block_size;
STp->buffer->buffer_blocks = STp->raw ? 1 : OS_DATA_SIZE / STp->block_size;
STp->buffer->buffer_bytes =
STp->buffer->read_pointer =
STp->frame_in_buffer = 0;
......@@ -4448,6 +4520,8 @@ static int os_scsi_tape_open(struct inode * inode, struct file * filp)
STp->buffer = NULL;
}
STp->in_use = 0;
STp->header_ok = 0;
STp->device->access_count--;
if (STp->device->host->hostt->module)
__MOD_DEC_USE_COUNT(STp->device->host->hostt->module);
......@@ -4484,7 +4558,7 @@ static int os_scsi_tape_flush(struct file * filp)
if (result != 0 && result != (-ENOSPC))
goto out;
}
if ( STps->rw == ST_WRITING && !(STp->device)->was_reset) {
if ( STps->rw >= ST_WRITING && !(STp->device)->was_reset) {
#if DEBUG
if (debugging) {
......@@ -4494,7 +4568,8 @@ static int os_scsi_tape_flush(struct file * filp)
dev, STp->nbr_waits, STp->nbr_finished);
}
#endif
if (STp->write_type != OS_WRITE_NEW_MARK) {
/* true unless the user wrote the filemark for us */
result = osst_flush_drive_buffer(STp, &SRpnt);
if (result < 0) goto out;
result = osst_write_filemark(STp, &SRpnt);
......@@ -4503,7 +4578,7 @@ static int os_scsi_tape_flush(struct file * filp)
if (STps->drv_file >= 0)
STps->drv_file++ ;
STps->drv_block = 0;
}
result = osst_write_eod(STp, &SRpnt);
osst_write_header(STp, &SRpnt, !(STp->rew_at_close));
......@@ -4587,7 +4662,12 @@ static int os_scsi_tape_close(struct inode * inode, struct file * filp)
if (STp->buffer != NULL)
STp->buffer->in_use = 0;
if (STp->raw)
STp->header_ok = 0;
STp->in_use = 0;
STp->device->access_count--;
if (STp->device->host->hostt->module)
__MOD_DEC_USE_COUNT(STp->device->host->hostt->module);
if(osst_template.module)
......@@ -4637,7 +4717,10 @@ static int osst_ioctl(struct inode * inode,struct file * file,
cmd_type = _IOC_TYPE(cmd_in);
cmd_nr = _IOC_NR(cmd_in);
#if DEBUG
printk(OSST_DEB_MSG "osst%d:D: Ioctl %d,%d in %s mode\n", dev,
cmd_type, cmd_nr, STp->raw?"raw":"normal");
#endif
if (cmd_type == _IOC_TYPE(MTIOCTOP) && cmd_nr == _IOC_NR(MTIOCTOP)) {
struct mtop mtc;
......@@ -4720,8 +4803,8 @@ static int osst_ioctl(struct inode * inode,struct file * file,
}
}
if (mtc.mt_op != MTNOP && mtc.mt_op != MTSETBLK &&
mtc.mt_op != MTSETDENSITY && mtc.mt_op != MTWSM &&
if (mtc.mt_op != MTNOP && mtc.mt_op != MTWEOF && mtc.mt_op != MTWSM &&
mtc.mt_op != MTSETDENSITY && mtc.mt_op != MTSETBLK &&
mtc.mt_op != MTSETDRVBUFFER && mtc.mt_op != MTSETPART)
STps->rw = ST_IDLE; /* Prevent automatic WEOF and fsf */
......@@ -4773,6 +4856,9 @@ static int osst_ioctl(struct inode * inode,struct file * file,
}
if (mtc.mt_op == MTSEEK) {
if (STp->raw)
i = osst_set_frame_position(STp, &SRpnt, mtc.mt_count, 0);
else
i = osst_seek_sector(STp, &SRpnt, mtc.mt_count);
if (!STp->can_partitions)
STp->ps[0].rw = ST_IDLE;
......@@ -4878,6 +4964,9 @@ static int osst_ioctl(struct inode * inode,struct file * file,
retval = (-EINVAL);
goto out;
}
if (STp->raw)
blk = osst_get_frame_position(STp, &SRpnt);
else
blk = osst_get_sector(STp, &SRpnt);
if (blk < 0) {
retval = blk;
......@@ -5424,6 +5513,8 @@ static int osst_attach(Scsi_Device * SDp)
tpnt->partition = 0;
tpnt->new_partition = 0;
tpnt->nbr_partitions = 0;
tpnt->min_block = 512;
tpnt->max_block = OS_DATA_SIZE;
tpnt->timeout = OSST_TIMEOUT;
tpnt->long_timeout = OSST_LONG_TIMEOUT;
......@@ -5463,6 +5554,7 @@ static int osst_attach(Scsi_Device * SDp)
tpnt->current_mode = 0;
tpnt->modes[0].defined = TRUE;
tpnt->modes[2].defined = TRUE;
tpnt->density_changed = tpnt->compression_changed = tpnt->blksize_changed = FALSE;
init_MUTEX(&tpnt->lock);
......
/*
* $Header: /home/cvsroot/Driver/osst.h,v 1.11 2001/01/26 01:54:49 riede Exp $
* $Header: /home/cvsroot/Driver/osst.h,v 1.12 2001/10/11 00:30:15 riede Exp $
*/
#include <asm/byteorder.h>
......@@ -638,3 +638,5 @@ typedef struct {
#define OS_WRITE_HEADER 4
#define OS_WRITE_FILLER 5
/* Additional rw state */
#define OS_WRITING_COMPLETE 3
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