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Commit e12fd31b authored by Willem Riede's avatar Willem Riede Committed by James Bottomley
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One more update for osst in 2.5.53 

Below is a patch for osst, against 2.5.53, which fixes a couple of bugs,
among which a pretty likely oops, and includes some cleanup. 
At this point I'm pretty satisfied that it works properly.
parent 99a6e15b
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Showing with 138 additions and 164 deletions
drivers/scsi/osst.c
View file @ e12fd31b
......@@ -16,15 +16,15 @@
Copyright 1992 - 2002 Kai Makisara / Willem Riede
email Kai.Makisara@metla.fi / osst@riede.org
$Header: /home/cvsroot/Driver/osst.c,v 1.65 2001/11/11 20:38:56 riede Exp $
$Header: /home/cvsroot/Driver/osst.c,v 1.68 2002/12/23 16:33:36 riede Exp $
Microscopic alterations - Rik Ling, 2000/12/21
Last st.c sync: Tue Oct 15 22:01:04 2002 by makisara
Some small formal changes - aeb, 950809
*/
static const char * cvsid = "$Id: osst.c,v 1.65 2001/11/11 20:38:56 riede Exp $";
const char * osst_version = "0.99.0p5";
static const char * cvsid = "$Id: osst.c,v 1.68 2002/12/23 16:33:36 riede Exp $";
const char * osst_version = "0.99.0";
/* The "failure to reconnect" firmware bug */
#define OSST_FW_NEED_POLL_MIN 10601 /*(107A)*/
......@@ -470,7 +470,7 @@ static void osst_init_aux(OS_Scsi_Tape * STp, int frame_type, int frame_seq_numb
*/
static int osst_verify_frame(OS_Scsi_Tape * STp, int frame_seq_number, int quiet)
{
char *name = tape_name(STp);
char * name = tape_name(STp);
os_aux_t * aux = STp->buffer->aux;
os_partition_t * par = &(aux->partition);
ST_partstat * STps = &(STp->ps[STp->partition]);
......@@ -676,7 +676,7 @@ static int osst_wait_for_medium(OS_Scsi_Tape * STp, Scsi_Request ** aSRpnt, unsi
long startwait = jiffies;
#if DEBUG
int dbg = debugging;
char *name = tape_name(STp);
char * name = tape_name(STp);
printk(OSST_DEB_MSG "%s:D: Reached onstream wait for medium\n", name);
#endif
......@@ -748,7 +748,7 @@ static int osst_flush_drive_buffer(OS_Scsi_Tape * STp, Scsi_Request ** aSRpnt)
int result = 0;
int delay = OSST_WAIT_WRITE_COMPLETE;
#if DEBUG
char *name = tape_name(STp);
char * name = tape_name(STp);
printk(OSST_DEB_MSG "%s:D: Reached onstream flush drive buffer (write filemark)\n", name);
#endif
......@@ -778,7 +778,7 @@ static int osst_flush_drive_buffer(OS_Scsi_Tape * STp, Scsi_Request ** aSRpnt)
static int osst_wait_frame(OS_Scsi_Tape * STp, Scsi_Request ** aSRpnt, int curr, int minlast, int to)
{
long startwait = jiffies;
char *name = tape_name(STp);
char * name = tape_name(STp);
#if DEBUG
char notyetprinted = 1;
#endif
......@@ -841,7 +841,7 @@ static int osst_read_frame(OS_Scsi_Tape * STp, Scsi_Request ** aSRpnt, int timeo
int retval = 0;
#if DEBUG
os_aux_t * aux = STp->buffer->aux;
char *name = tape_name(STp);
char * name = tape_name(STp);
#endif
/* TODO: Error handling */
......@@ -888,10 +888,12 @@ static int osst_read_frame(OS_Scsi_Tape * STp, Scsi_Request ** aSRpnt, int timeo
STp->first_frame_position++;
#if DEBUG
if (debugging) {
char sig[8]; int i;
for (i=0;i<4;i++)
sig[i] = aux->application_sig[i]<32?'^':aux->application_sig[i];
sig[4] = '\0';
printk(OSST_DEB_MSG
"%s:D: AUX: %c%c%c%c UpdFrCt#%d Wpass#%d %s FrSeq#%d LogBlk#%d Qty=%d Sz=%d\n", name,
aux->application_sig[0], aux->application_sig[1],
aux->application_sig[2], aux->application_sig[3],
"%s:D: AUX: %s UpdFrCt#%d Wpass#%d %s FrSeq#%d LogBlk#%d Qty=%d Sz=%d\n", name, sig,
ntohl(aux->update_frame_cntr), ntohs(aux->partition.wrt_pass_cntr),
aux->frame_type==1?"EOD":aux->frame_type==2?"MARK":
aux->frame_type==8?"HEADR":aux->frame_type==0x80?"DATA":"FILL",
......@@ -913,7 +915,7 @@ static int osst_initiate_read(OS_Scsi_Tape * STp, Scsi_Request ** aSRpnt)
unsigned char cmd[MAX_COMMAND_SIZE];
int retval = 0;
#if DEBUG
char *name = tape_name(STp);
char * name = tape_name(STp);
#endif
if (STps->rw != ST_READING) { /* Initialize read operation */
......@@ -947,7 +949,7 @@ static int osst_initiate_read(OS_Scsi_Tape * STp, Scsi_Request ** aSRpnt)
static int osst_get_logical_frame(OS_Scsi_Tape * STp, Scsi_Request ** aSRpnt, int frame_seq_number, int quiet)
{
ST_partstat * STps = &(STp->ps[STp->partition]);
char *name = tape_name(STp);
char * name = tape_name(STp);
int cnt = 0,
bad = 0,
past = 0,
......@@ -1073,7 +1075,7 @@ static int osst_get_logical_frame(OS_Scsi_Tape * STp, Scsi_Request ** aSRpnt, in
static int osst_seek_logical_blk(OS_Scsi_Tape * STp, Scsi_Request ** aSRpnt, int logical_blk_num)
{
ST_partstat * STps = &(STp->ps[STp->partition]);
char *name = tape_name(STp);
char * name = tape_name(STp);
int retries = 0;
int frame_seq_estimate, ppos_estimate, move;
......@@ -1183,7 +1185,7 @@ static int osst_get_sector(OS_Scsi_Tape * STp, Scsi_Request ** aSRpnt)
{
int sector;
#if DEBUG
char *name = tape_name(STp);
char * name = tape_name(STp);
printk(OSST_DEB_MSG
"%s:D: Positioned at ppos %d, frame %d, lbn %d, file %d, blk %d, %cptr %d, eof %d\n",
......@@ -1216,7 +1218,7 @@ static int osst_seek_sector(OS_Scsi_Tape * STp, Scsi_Request ** aSRpnt, int sect
offset = (sector & OSST_SECTOR_MASK) << OSST_SECTOR_SHIFT,
r;
#if DEBUG
char *name = tape_name(STp);
char * name = tape_name(STp);
printk(OSST_DEB_MSG "%s:D: Seeking sector %d in frame %d at offset %d\n",
name, sector, frame, offset);
......@@ -1285,7 +1287,7 @@ static int osst_read_back_buffer_and_rewrite(OS_Scsi_Tape * STp, Scsi_Request **
- (nframes + pending - 1);
int logical_blk_num = ntohl(STp->buffer->aux->logical_blk_num)
- (nframes + pending - 1) * blks_per_frame;
char *name = tape_name(STp);
char * name = tape_name(STp);
long startwait = jiffies;
#if DEBUG
int dbg = debugging;
......@@ -1471,7 +1473,7 @@ static int osst_reposition_and_retry(OS_Scsi_Tape * STp, Scsi_Request ** aSRpnt,
{
unsigned char cmd[MAX_COMMAND_SIZE];
Scsi_Request * SRpnt;
char *name = tape_name(STp);
char * name = tape_name(STp);
int expected = 0;
int attempts = 1000 / skip;
int flag = 1;
......@@ -1574,7 +1576,7 @@ static int osst_write_error_recovery(OS_Scsi_Tape * STp, Scsi_Request ** aSRpnt,
{
Scsi_Request * SRpnt = * aSRpnt;
ST_partstat * STps = & STp->ps[STp->partition];
char *name = tape_name(STp);
char * name = tape_name(STp);
int retval = 0;
int rw_state;
unsigned int frame, skip;
......@@ -1650,7 +1652,7 @@ static int osst_write_error_recovery(OS_Scsi_Tape * STp, Scsi_Request ** aSRpnt,
static int osst_space_over_filemarks_backward(OS_Scsi_Tape * STp, Scsi_Request ** aSRpnt,
int mt_op, int mt_count)
{
char *name = tape_name(STp);
char * name = tape_name(STp);
int cnt;
int last_mark_ppos = -1;
......@@ -1751,7 +1753,7 @@ static int osst_space_over_filemarks_forward_slow(OS_Scsi_Tape * STp, Scsi_Reque
{
int cnt = 0;
#if DEBUG
char *name = tape_name(STp);
char * name = tape_name(STp);
printk(OSST_DEB_MSG "%s:D: Reached space_over_filemarks_forward_slow %d %d\n", name, mt_op, mt_count);
#endif
......@@ -1803,7 +1805,7 @@ static int osst_space_over_filemarks_forward_slow(OS_Scsi_Tape * STp, Scsi_Reque
static int osst_space_over_filemarks_forward_fast(OS_Scsi_Tape * STp, Scsi_Request ** aSRpnt,
int mt_op, int mt_count)
{
char *name = tape_name(STp);
char * name = tape_name(STp);
int cnt = 0,
next_mark_ppos = -1;
......@@ -1955,7 +1957,7 @@ static void osst_set_retries(OS_Scsi_Tape * STp, Scsi_Request ** aSRpnt, int ret
{
unsigned char cmd[MAX_COMMAND_SIZE];
Scsi_Request * SRpnt = * aSRpnt;
char *name = tape_name(STp);
char * name = tape_name(STp);
memset(cmd, 0, MAX_COMMAND_SIZE);
cmd[0] = MODE_SELECT;
......@@ -1989,7 +1991,7 @@ static int osst_write_filemark(OS_Scsi_Tape * STp, Scsi_Request ** aSRpnt)
int this_mark_ppos = STp->first_frame_position;
int this_mark_lbn = STp->logical_blk_num;
#if DEBUG
char *name = tape_name(STp);
char * name = tape_name(STp);
#endif
if (STp->raw) return 0;
......@@ -2015,7 +2017,7 @@ static int osst_write_eod(OS_Scsi_Tape * STp, Scsi_Request ** aSRpnt)
{
int result;
#if DEBUG
char *name = tape_name(STp);
char * name = tape_name(STp);
#endif
if (STp->raw) return 0;
......@@ -2036,7 +2038,7 @@ static int osst_write_eod(OS_Scsi_Tape * STp, Scsi_Request ** aSRpnt)
static int osst_write_filler(OS_Scsi_Tape * STp, Scsi_Request ** aSRpnt, int where, int count)
{
char *name = tape_name(STp);
char * name = tape_name(STp);
#if DEBUG
printk(OSST_DEB_MSG "%s:D: Reached onstream write filler group %d\n", name, where);
......@@ -2061,7 +2063,7 @@ static int osst_write_filler(OS_Scsi_Tape * STp, Scsi_Request ** aSRpnt, int whe
static int __osst_write_header(OS_Scsi_Tape * STp, Scsi_Request ** aSRpnt, int where, int count)
{
char *name = tape_name(STp);
char * name = tape_name(STp);
int result;
#if DEBUG
......@@ -2090,7 +2092,7 @@ static int osst_write_header(OS_Scsi_Tape * STp, Scsi_Request ** aSRpnt, int loc
{
os_header_t * header;
int result;
char *name = tape_name(STp);
char * name = tape_name(STp);
#if DEBUG
printk(OSST_DEB_MSG "%s:D: Writing tape header\n", name);
......@@ -2175,7 +2177,7 @@ static int osst_reset_header(OS_Scsi_Tape * STp, Scsi_Request ** aSRpnt)
static int __osst_analyze_headers(OS_Scsi_Tape * STp, Scsi_Request ** aSRpnt, int ppos)
{
char *name = tape_name(STp);
char * name = tape_name(STp);
os_header_t * header;
os_aux_t * aux;
char id_string[8];
......@@ -2355,7 +2357,7 @@ static int osst_analyze_headers(OS_Scsi_Tape * STp, Scsi_Request ** aSRpnt)
int position, ppos;
int first, last;
int valid = 0;
char *name = tape_name(STp);
char * name = tape_name(STp);
position = osst_get_frame_position(STp, aSRpnt);
......@@ -2415,7 +2417,7 @@ static int osst_verify_position(OS_Scsi_Tape * STp, Scsi_Request ** aSRpnt)
int prev_mark_ppos = -1;
int actual_mark_ppos, i, n;
#if DEBUG
char *name = tape_name(STp);
char * name = tape_name(STp);
printk(OSST_DEB_MSG "%s:D: Verify that the tape is really the one we think before writing\n", name);
#endif
......@@ -2484,7 +2486,7 @@ static unsigned int osst_parse_firmware_rev (const char * str)
static int osst_configure_onstream(OS_Scsi_Tape *STp, Scsi_Request ** aSRpnt)
{
unsigned char cmd[MAX_COMMAND_SIZE];
char *name = tape_name(STp);
char * name = tape_name(STp);
Scsi_Request * SRpnt = * aSRpnt;
osst_mode_parameter_header_t * header;
osst_block_size_page_t * bs;
......@@ -2655,7 +2657,7 @@ static int osst_configure_onstream(OS_Scsi_Tape *STp, Scsi_Request ** aSRpnt)
static int cross_eof(OS_Scsi_Tape *STp, Scsi_Request ** aSRpnt, int forward)
{
int result;
char *name = tape_name(STp);
char * name = tape_name(STp);
#if DEBUG
if (debugging)
......@@ -2692,7 +2694,7 @@ static int osst_get_frame_position(OS_Scsi_Tape *STp, Scsi_Request ** aSRpnt)
char mybuf[24];
char * olddata = STp->buffer->b_data;
int oldsize = STp->buffer->buffer_size;
char *name = tape_name(STp);
char * name = tape_name(STp);
if (STp->ready != ST_READY) return (-EIO);
......@@ -2766,7 +2768,7 @@ static int osst_set_frame_position(OS_Scsi_Tape *STp, Scsi_Request ** aSRpnt, in
ST_partstat * STps;
int result = 0;
int pp = (ppos == 3000 && !skip)? 0 : ppos;
char *name = tape_name(STp);
char * name = tape_name(STp);
if (STp->ready != ST_READY) return (-EIO);
......@@ -2829,7 +2831,7 @@ static int osst_flush_write_buffer(OS_Scsi_Tape *STp, Scsi_Request ** aSRpnt)
unsigned char cmd[MAX_COMMAND_SIZE];
Scsi_Request * SRpnt = *aSRpnt;
ST_partstat * STps;
char *name = tape_name(STp);
char * name = tape_name(STp);
if ((STp->buffer)->writing) {
if (SRpnt == (STp->buffer)->last_SRpnt)
......@@ -2957,7 +2959,7 @@ static int osst_flush_buffer(OS_Scsi_Tape * STp, Scsi_Request ** aSRpnt, int see
ST_partstat * STps;
int backspace = 0, result = 0;
#if DEBUG
char *name = tape_name(STp);
char * name = tape_name(STp);
#endif
/*
......@@ -3020,7 +3022,7 @@ static int osst_write_frame(OS_Scsi_Tape * STp, Scsi_Request ** aSRpnt, int sync
Scsi_Request * SRpnt;
int blks;
#if DEBUG
char *name = tape_name(STp);
char * name = tape_name(STp);
#endif
if ((!STp-> raw) && (STp->first_frame_position == 0xbae)) { /* _must_ preserve buffer! */
......@@ -3143,12 +3145,12 @@ static ssize_t osst_write(struct file * filp, const char * buf, size_t count, lo
ssize_t i, do_count, blks, transfer;
int write_threshold;
int doing_write = 0;
const char *b_point;
const char * b_point;
Scsi_Request * SRpnt = NULL;
ST_mode * STm;
ST_partstat * STps;
OS_Scsi_Tape * STp = filp->private_data;
char *name = tape_name(STp);
char * name = tape_name(STp);
if (down_interruptible(&STp->lock))
......@@ -3473,9 +3475,9 @@ static ssize_t osst_read(struct file * filp, char * buf, size_t count, loff_t *p
int special;
ST_mode * STm;
ST_partstat * STps;
Scsi_Request *SRpnt = NULL;
Scsi_Request * SRpnt = NULL;
OS_Scsi_Tape * STp = filp->private_data;
char *name = tape_name(STp);
char * name = tape_name(STp);
if (down_interruptible(&STp->lock))
......@@ -3523,8 +3525,7 @@ static ssize_t osst_read(struct file * filp, char * buf, size_t count, loff_t *p
goto out;
}
if (STp->do_auto_lock && STp->door_locked == ST_UNLOCKED &&
!osst_int_ioctl(STp, &SRpnt, MTLOCK, 0))
if (STp->do_auto_lock && STp->door_locked == ST_UNLOCKED && !do_door_lock(STp, 1))
STp->door_locked = ST_LOCKED_AUTO;
STps = &(STp->ps[STp->partition]);
......@@ -3685,8 +3686,8 @@ static int osst_set_options(OS_Scsi_Tape *STp, long options)
{
int value;
long code;
ST_mode *STm;
char *name = tape_name(STp);
ST_mode * STm;
char * name = tape_name(STp);
STm = &(STp->modes[STp->current_mode]);
if (!STm->defined) {
......@@ -3848,7 +3849,7 @@ static int osst_int_ioctl(OS_Scsi_Tape * STp, Scsi_Request ** aSRpnt, unsigned i
ST_partstat * STps;
int fileno, blkno, at_sm, frame_seq_numbr, logical_blk_num;
int datalen = 0, direction = SCSI_DATA_NONE;
char *name = tape_name(STp);
char * name = tape_name(STp);
if (STp->ready != ST_READY && cmd_in != MTLOAD) {
if (STp->ready == ST_NO_TAPE)
......@@ -4214,7 +4215,7 @@ static int os_scsi_tape_open(struct inode * inode, struct file * filp)
OS_Scsi_Tape * STp;
ST_mode * STm;
ST_partstat * STps;
char *name;
char * name;
int dev = TAPE_NR(inode->i_rdev);
int mode = TAPE_MODE(inode->i_rdev);
......@@ -4267,44 +4268,32 @@ static int os_scsi_tape_open(struct inode * inode, struct file * filp)
STp->raw = TAPE_IS_RAW(inode->i_rdev);
if (STp->raw)
STp->header_ok = 0;
#if 0
/* Allocate a buffer for this user */
need_dma_buffer = STp->restr_dma;
for (i=0; i < osst_nbr_buffers; i++)
if (!osst_buffers[i]->in_use &&
(!need_dma_buffer || osst_buffers[i]->dma))
break;
if (i >= osst_nbr_buffers) {
STp->buffer = new_tape_buffer(FALSE, need_dma_buffer);
if (STp->buffer == NULL) {
printk(KERN_WARNING "%s:W: Can't allocate tape buffer.\n", name);
retval = (-EBUSY);
goto err_out;
}
}
else
STp->buffer = osst_buffers[i];
#endif /* now pre_allocated */
/* Allocate data segments for this device's tape buffer */
if (!enlarge_buffer(STp->buffer, STp->restr_dma)) {
printk(KERN_ERR "%s:E: Unable to allocate memory segments for tape buffer.\n", name);
retval = (-EOVERFLOW);
goto err_out;
}
(STp->buffer)->writing = 0;
(STp->buffer)->syscall_result = 0;
#if 0
(STp->buffer)->use_sg = STp->device->host->sg_tablesize;
/* Compute the usable buffer size for this SCSI adapter */
if (!(STp->buffer)->use_sg)
(STp->buffer)->buffer_size = (STp->buffer)->sg[0].length;
else {
for (i=0, (STp->buffer)->buffer_size = 0; i < (STp->buffer)->use_sg &&
i < (STp->buffer)->sg_segs; i++)
(STp->buffer)->buffer_size += (STp->buffer)->sg[i].length;
}
if (STp->buffer->buffer_size >= OS_FRAME_SIZE) {
for (i = 0, b_size = 0;
(i < STp->buffer->sg_segs) && ((b_size + STp->buffer->sg[i].length) <= OS_DATA_SIZE);
b_size += STp->buffer->sg[i++].length);
STp->buffer->aux = (os_aux_t *) (page_address(STp->buffer->sg[i].page) + OS_DATA_SIZE - b_size);
#if DEBUG
printk(OSST_DEB_MSG "%s:D: b_data points to %p in segment 0 at %p\n", name,
STp->buffer->b_data, page_address(STp->buffer->sg[0].page));
printk(OSST_DEB_MSG "%s:D: AUX points to %p in segment %d at %p\n", name,
STp->buffer->aux, i, page_address(STp->buffer->sg[i].page));
#endif
} else {
STp->buffer->aux = NULL; /* this had better never happen! */
printk(KERN_NOTICE "%s:A: Framesize %d too large for buffer.\n", name, OS_FRAME_SIZE);
retval = (-EIO);
goto err_out;
}
STp->buffer->writing = 0;
STp->buffer->syscall_result = 0;
STp->dirty = 0;
for (i=0; i < ST_NBR_PARTITIONS; i++) {
STps = &(STp->ps[i]);
......@@ -4410,7 +4399,7 @@ static int os_scsi_tape_open(struct inode * inode, struct file * filp)
i = STp->first_frame_position;
if (STp->header_ok && i == osst_get_frame_position(STp, &SRpnt)) {
if (STp->door_locked == ST_UNLOCKED) {
if (osst_int_ioctl(STp, &SRpnt, MTLOCK, 0))
if (do_door_lock(STp, 1))
printk(KERN_INFO "%s:I: Can't lock drive door\n", name);
else
STp->door_locked = ST_LOCKED_AUTO;
......@@ -4512,24 +4501,6 @@ static int os_scsi_tape_open(struct inode * inode, struct file * filp)
osst_configure_onstream(STp, &SRpnt);
if (STp->buffer->buffer_size >= OS_FRAME_SIZE) {
for (i = 0, b_size = 0;
(i < STp->buffer->sg_segs) && ((b_size + STp->buffer->sg[i].length) <= OS_DATA_SIZE);
b_size += STp->buffer->sg[i++].length);
STp->buffer->aux = (os_aux_t *) (page_address(STp->buffer->sg[i].page) + OS_DATA_SIZE - b_size);
#if DEBUG
printk(OSST_DEB_MSG "%s:D: b_data points to %p in segment 0 at %p\n", name,
STp->buffer->b_data, page_address(STp->buffer->sg[0].page));
printk(OSST_DEB_MSG "%s:D: AUX points to %p in segment %d at %p\n", name,
STp->buffer->aux, i, page_address(STp->buffer->sg[i].page));
#endif
} else {
STp->buffer->aux = NULL; /* this had better never happen! */
printk(KERN_NOTICE "%s:A: Framesize %d too large for buffer.\n", name, OS_FRAME_SIZE);
retval = (-EIO);
goto err_out;
}
STp->block_size = STp->raw ? OS_FRAME_SIZE : (
(STm->default_blksize > 0) ? STm->default_blksize : OS_DATA_SIZE);
STp->buffer->buffer_blocks = STp->raw ? 1 : OS_DATA_SIZE / STp->block_size;
......@@ -4569,7 +4540,7 @@ static int os_scsi_tape_open(struct inode * inode, struct file * filp)
* properly position the tape and check the ADR headers
*/
if (STp->door_locked == ST_UNLOCKED) {
if (osst_int_ioctl(STp, &SRpnt, MTLOCK, 0))
if (do_door_lock(STp, 1))
printk(KERN_INFO "%s:I: Can't lock drive door\n", name);
else
STp->door_locked = ST_LOCKED_AUTO;
......@@ -4601,8 +4572,8 @@ static int os_scsi_tape_flush(struct file * filp)
OS_Scsi_Tape * STp = filp->private_data;
ST_mode * STm = &(STp->modes[STp->current_mode]);
ST_partstat * STps = &(STp->ps[STp->partition]);
Scsi_Request *SRpnt = NULL;
char *name = tape_name(STp);
Scsi_Request * SRpnt = NULL;
char * name = tape_name(STp);
if (file_count(filp) > 1)
return 0;
......@@ -4729,11 +4700,11 @@ static int osst_ioctl(struct inode * inode,struct file * file,
{
int i, cmd_nr, cmd_type, retval = 0;
unsigned int blk;
ST_mode *STm;
ST_partstat *STps;
Scsi_Request *SRpnt = NULL;
OS_Scsi_Tape *STp = file->private_data;
char *name = tape_name(STp);
ST_mode * STm;
ST_partstat * STps;
Scsi_Request * SRpnt = NULL;
OS_Scsi_Tape * STp = file->private_data;
char * name = tape_name(STp);
if (down_interruptible(&STp->lock))
return -ERESTARTSYS;
......@@ -4813,6 +4784,8 @@ static int osst_ioctl(struct inode * inode,struct file * file,
i = mtc.mt_op == MTREW || mtc.mt_op == MTOFFL ||
mtc.mt_op == MTRETEN || mtc.mt_op == MTEOM ||
mtc.mt_op == MTLOCK || mtc.mt_op == MTLOAD ||
mtc.mt_op == MTFSF || mtc.mt_op == MTFSFM ||
mtc.mt_op == MTBSF || mtc.mt_op == MTBSFM ||
mtc.mt_op == MTCOMPRESSION;
}
i = osst_flush_buffer(STp, &SRpnt, i);
......@@ -5123,8 +5096,9 @@ static int enlarge_buffer(OSST_buffer *STbuffer, int need_dma)
"osst :D: Expanded tape buffer (%d bytes, %d->%d segments, dma: %d, at: %p).\n",
got, STbuffer->orig_sg_segs, STbuffer->sg_segs, need_dma, STbuffer->b_data);
printk(OSST_DEB_MSG
"osst :D: segment sizes: first %d, last %d bytes.\n",
STbuffer->sg[0].length, STbuffer->sg[segs-1].length);
"osst :D: segment sizes: first %d at %p, last %d bytes at %p.\n",
STbuffer->sg[0].length, page_address(STbuffer->sg[0].page),
STbuffer->sg[segs-1].length, page_address(STbuffer->sg[segs-1].page));
}
#endif
......@@ -5413,8 +5387,8 @@ static int osst_attach(Scsi_Device * SDp)
OS_Scsi_Tape * tpnt;
ST_mode * STm;
ST_partstat * STps;
OSST_buffer *buffer;
struct gendisk *drive;
OSST_buffer * buffer;
struct gendisk * drive;
int i, mode, dev_num;
if (SDp->type != TYPE_TAPE || !osst_supports(SDp))
......
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