lkml.org 
[lkml]   [2008]   [Jun]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Subject[PATCH 13/18] ide-floppy: replace pc->c with rq->cmd
Date
From
This is the first one in the series attempting to phase out ide_atapi_pc and use
block request structs. Also, the pc request type is now REQ_TYPE_BLOCK_PC. As a result,
idefloppy_blockpc_cmd becomes unused and can go.

Signed-off-by: Borislav Petkov <petkovbb@gmail.com>

---
drivers/ide/ide-atapi.c | 22 ++++-
drivers/ide/ide-floppy.c | 207 +++++++++++++++++++++++-----------------------
2 files changed, 120 insertions(+), 109 deletions(-)

diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c
index 2802031..3a6ae79 100644
--- a/drivers/ide/ide-atapi.c
+++ b/drivers/ide/ide-atapi.c
@@ -26,6 +26,12 @@ ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc,
unsigned int temp;
u16 bcount;
u8 stat, ireason, scsi = drive->scsi;
+ unsigned char *cmd;
+
+ if (drive->media == ide_floppy)
+ cmd = pc->rq->cmd;
+ else
+ cmd = pc->c;

debug_log("Enter %s - interrupt handler\n", __func__);

@@ -63,7 +69,7 @@ ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc,
local_irq_enable_in_hardirq();

if (drive->media == ide_tape && !scsi &&
- (stat & ERR_STAT) && pc->c[0] == REQUEST_SENSE)
+ (stat & ERR_STAT) && cmd[0] == REQUEST_SENSE)
stat &= ~ERR_STAT;
if ((stat & ERR_STAT) || (pc->flags & PC_FLAG_DMA_ERROR)) {
/* Error detected */
@@ -75,13 +81,13 @@ ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc,
goto cmd_finished;
}

- if (pc->c[0] == REQUEST_SENSE) {
+ if (cmd[0] == REQUEST_SENSE) {
printk(KERN_ERR "%s: I/O error in request sense"
" command\n", drive->name);
return ide_do_reset(drive);
}

- debug_log("[cmd %x]: check condition\n", pc->c[0]);
+ debug_log("[cmd %x]: check condition\n", cmd[0]);

/* Retry operation */
retry_pc(drive);
@@ -175,7 +181,7 @@ cmd_finished:
pc->cur_pos += bcount;

debug_log("[cmd %x] transferred %d bytes on that intr.\n",
- pc->c[0], bcount);
+ cmd[0], bcount);

/* And set the interrupt handler again */
ide_set_handler(drive, handler, timeout, expiry);
@@ -212,6 +218,12 @@ ide_startstop_t ide_transfer_pc(ide_drive_t *drive, struct ide_atapi_pc *pc,
ide_hwif_t *hwif = drive->hwif;
ide_startstop_t startstop;
u8 ireason;
+ unsigned char *cmd;
+
+ if (drive->media == ide_floppy)
+ cmd = pc->rq->cmd;
+ else
+ cmd = pc->c;

if (ide_wait_stat(&startstop, drive, DRQ_STAT, BUSY_STAT, WAIT_READY)) {
printk(KERN_ERR "%s: Strange, packet command initiated yet "
@@ -240,7 +252,7 @@ ide_startstop_t ide_transfer_pc(ide_drive_t *drive, struct ide_atapi_pc *pc,

/* Send the actual packet */
if ((pc->flags & PC_FLAG_ZIP_DRIVE) == 0)
- hwif->output_data(drive, NULL, pc->c, 12);
+ hwif->output_data(drive, NULL, cmd, 12);

return ide_started;
}
diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c
index b368943..ffebf83 100644
--- a/drivers/ide/ide-floppy.c
+++ b/drivers/ide/ide-floppy.c
@@ -217,7 +217,7 @@ static int idefloppy_end_request(ide_drive_t *drive, int uptodate, int nsecs)
/* Why does this happen? */
if (!rq)
return 0;
- if (!blk_special_request(rq)) {
+ if (!blk_pc_request(rq)) {
/* our real local end request function */
ide_end_request(drive, uptodate, nsecs);
return 0;
@@ -282,13 +282,14 @@ static void idefloppy_update_buffers(ide_drive_t *drive,
* pass through the driver.
*/
static void idefloppy_queue_pc_head(ide_drive_t *drive, struct ide_atapi_pc *pc,
- struct request *rq)
+ struct request *rq, unsigned char *cmd)
{
struct ide_floppy_obj *floppy = drive->driver_data;

blk_rq_init(NULL, rq);
rq->buffer = (char *) pc;
- rq->cmd_type = REQ_TYPE_SPECIAL;
+ rq->cmd_type = REQ_TYPE_BLOCK_PC;
+ memcpy(rq->cmd, cmd, 12);
rq->cmd_flags |= REQ_PREEMPT;
rq->rq_disk = floppy->disk;
ide_do_drive_cmd(drive, rq);
@@ -323,10 +324,10 @@ static void ide_floppy_callback(ide_drive_t *drive)
if (floppy->failed_pc == pc)
floppy->failed_pc = NULL;

- if (pc->c[0] == GPCMD_READ_10 || pc->c[0] == GPCMD_WRITE_10 ||
- (pc->rq && blk_pc_request(pc->rq)))
+ if (pc->rq->cmd[0] == GPCMD_READ_10 || pc->rq->cmd[0] == GPCMD_WRITE_10
+ || (pc->rq && blk_pc_request(pc->rq)))
uptodate = 1; /* FIXME */
- else if (pc->c[0] == GPCMD_REQUEST_SENSE) {
+ else if (pc->rq->cmd[0] == GPCMD_REQUEST_SENSE) {
u8 *buf = floppy->pc->buf;

if (!pc->error) {
@@ -349,9 +350,11 @@ static void ide_floppy_callback(ide_drive_t *drive)
idefloppy_end_request(drive, uptodate, 0);
}

-static void idefloppy_init_pc(struct ide_atapi_pc *pc)
+static void idefloppy_init_pc(struct ide_atapi_pc *pc, unsigned char *cmd)
{
- memset(pc->c, 0, 12);
+ if (cmd)
+ memset(cmd, 0, 12);
+
pc->retries = 0;
pc->flags = 0;
pc->req_xfer = 0;
@@ -360,11 +363,12 @@ static void idefloppy_init_pc(struct ide_atapi_pc *pc)
pc->callback = ide_floppy_callback;
}

-static void idefloppy_create_request_sense_cmd(struct ide_atapi_pc *pc)
+static void idefloppy_create_request_sense_cmd(struct ide_atapi_pc *pc,
+ unsigned char *cmd)
{
- idefloppy_init_pc(pc);
- pc->c[0] = GPCMD_REQUEST_SENSE;
- pc->c[4] = 255;
+ idefloppy_init_pc(pc, cmd);
+ cmd[0] = GPCMD_REQUEST_SENSE;
+ cmd[4] = 18;
pc->req_xfer = 18;
}

@@ -376,12 +380,13 @@ static void idefloppy_retry_pc(ide_drive_t *drive)
{
struct ide_atapi_pc *pc;
struct request *rq;
+ unsigned char cmd[12];

(void)ide_read_error(drive);
pc = idefloppy_next_pc_storage(drive);
rq = idefloppy_next_rq_storage(drive);
- idefloppy_create_request_sense_cmd(pc);
- idefloppy_queue_pc_head(drive, pc, rq);
+ idefloppy_create_request_sense_cmd(pc, cmd);
+ idefloppy_queue_pc_head(drive, pc, rq, cmd);
}

/* The usual interrupt handler called during a packet command. */
@@ -405,7 +410,7 @@ static int idefloppy_transfer_pc(ide_drive_t *drive)
idefloppy_floppy_t *floppy = drive->driver_data;

/* Send the actual packet */
- drive->hwif->output_data(drive, NULL, floppy->pc->c, 12);
+ drive->hwif->output_data(drive, NULL, floppy->pc->rq->cmd, 12);

/* Timeout for the packet command */
return IDEFLOPPY_WAIT_CMD;
@@ -454,7 +459,7 @@ static void ide_floppy_report_error(idefloppy_floppy_t *floppy,

printk(KERN_ERR "ide-floppy: %s: I/O error, pc = %2x, key = %2x, "
"asc = %2x, ascq = %2x\n",
- floppy->drive->name, pc->c[0], floppy->sense_key,
+ floppy->drive->name, pc->rq->cmd[0], floppy->sense_key,
floppy->asc, floppy->ascq);

}
@@ -465,7 +470,7 @@ static ide_startstop_t idefloppy_issue_pc(ide_drive_t *drive,
idefloppy_floppy_t *floppy = drive->driver_data;

if (floppy->failed_pc == NULL &&
- pc->c[0] != GPCMD_REQUEST_SENSE)
+ pc->rq->cmd[0] != GPCMD_REQUEST_SENSE)
floppy->failed_pc = pc;
/* Set the current packet command */
floppy->pc = pc;
@@ -489,30 +494,31 @@ static ide_startstop_t idefloppy_issue_pc(ide_drive_t *drive,
IDEFLOPPY_WAIT_CMD, NULL);
}

-static void idefloppy_create_prevent_cmd(struct ide_atapi_pc *pc, int prevent)
+static void idefloppy_create_prevent_cmd(struct ide_atapi_pc *pc, int prevent,
+ unsigned char *cmd)
{
- debug_log("creating prevent removal command, prevent = %d\n", prevent);
-
- idefloppy_init_pc(pc);
- pc->c[0] = GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL;
- pc->c[4] = prevent;
+ idefloppy_init_pc(pc, cmd);
+ cmd[0] = GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL;
+ cmd[4] = prevent;
}

-static void idefloppy_create_read_capacity_cmd(struct ide_atapi_pc *pc)
+static void idefloppy_create_read_capacity_cmd(struct ide_atapi_pc *pc,
+ unsigned char *cmd)
{
- idefloppy_init_pc(pc);
- pc->c[0] = GPCMD_READ_FORMAT_CAPACITIES;
- pc->c[7] = 255;
- pc->c[8] = 255;
+ idefloppy_init_pc(pc, cmd);
+ cmd[0] = GPCMD_READ_FORMAT_CAPACITIES;
+ cmd[7] = 255;
+ cmd[8] = 255;
pc->req_xfer = 255;
}

static void idefloppy_create_format_unit_cmd(struct ide_atapi_pc *pc, int b,
- int l, int flags)
+ int l, int flags,
+ unsigned char *cmd)
{
- idefloppy_init_pc(pc);
- pc->c[0] = GPCMD_FORMAT_UNIT;
- pc->c[1] = 0x17;
+ idefloppy_init_pc(pc, cmd);
+ cmd[0] = GPCMD_FORMAT_UNIT;
+ cmd[1] = 0x17;

memset(pc->buf, 0, 12);
pc->buf[1] = 0xA2;
@@ -530,14 +536,15 @@ static void idefloppy_create_format_unit_cmd(struct ide_atapi_pc *pc, int b,

/* A mode sense command is used to "sense" floppy parameters. */
static void idefloppy_create_mode_sense_cmd(struct ide_atapi_pc *pc,
- u8 page_code, u8 type)
+ u8 page_code, u8 type,
+ unsigned char *cmd)
{
u16 length = 8; /* sizeof(Mode Parameter Header) = 8 Bytes */

- idefloppy_init_pc(pc);
- pc->c[0] = GPCMD_MODE_SENSE_10;
- pc->c[1] = 0;
- pc->c[2] = page_code + (type << 6);
+ idefloppy_init_pc(pc, cmd);
+ cmd[0] = GPCMD_MODE_SENSE_10;
+ cmd[1] = 0;
+ cmd[2] = page_code + (type << 6);

switch (page_code) {
case IDEFLOPPY_CAPABILITIES_PAGE:
@@ -550,21 +557,23 @@ static void idefloppy_create_mode_sense_cmd(struct ide_atapi_pc *pc,
printk(KERN_ERR "ide-floppy: unsupported page code "
"in create_mode_sense_cmd\n");
}
- put_unaligned(cpu_to_be16(length), (u16 *) &pc->c[7]);
+ put_unaligned(cpu_to_be16(length), (u16 *) &cmd[7]);
pc->req_xfer = length;
}

-static void idefloppy_create_start_stop_cmd(struct ide_atapi_pc *pc, int start)
+static void idefloppy_create_start_stop_cmd(struct ide_atapi_pc *pc, int start,
+ unsigned char *cmd)
{
- idefloppy_init_pc(pc);
- pc->c[0] = GPCMD_START_STOP_UNIT;
- pc->c[4] = start;
+ idefloppy_init_pc(pc, cmd);
+ cmd[0] = GPCMD_START_STOP_UNIT;
+ cmd[4] = start;
}

-static void idefloppy_create_test_unit_ready_cmd(struct ide_atapi_pc *pc)
+static void idefloppy_create_test_unit_ready_cmd(struct ide_atapi_pc *pc,
+ unsigned char *cmd)
{
- idefloppy_init_pc(pc);
- pc->c[0] = GPCMD_TEST_UNIT_READY;
+ idefloppy_init_pc(pc, cmd);
+ cmd[0] = GPCMD_TEST_UNIT_READY;
}

static void idefloppy_create_rw_cmd(idefloppy_floppy_t *floppy,
@@ -573,18 +582,18 @@ static void idefloppy_create_rw_cmd(idefloppy_floppy_t *floppy,
{
int block = sector / floppy->bs_factor;
int blocks = rq->nr_sectors / floppy->bs_factor;
- int cmd = rq_data_dir(rq);
+ int rw_dir = rq_data_dir(rq);

debug_log("create_rw10_cmd: block == %d, blocks == %d\n",
- block, blocks);
+ block, blocks);

- idefloppy_init_pc(pc);
- pc->c[0] = cmd == READ ? GPCMD_READ_10 : GPCMD_WRITE_10;
- put_unaligned(cpu_to_be16(blocks), (unsigned short *)&pc->c[7]);
- put_unaligned(cpu_to_be32(block), (unsigned int *) &pc->c[2]);
+ idefloppy_init_pc(pc, NULL);
+ rq->cmd[0] = rw_dir == READ ? GPCMD_READ_10 : GPCMD_WRITE_10;
+ put_unaligned(cpu_to_be16(blocks), (unsigned short *)&rq->cmd[7]);
+ put_unaligned(cpu_to_be32(block), (unsigned int *) &rq->cmd[2]);

pc->rq = rq;
- pc->b_count = cmd == READ ? 0 : rq->bio->bi_size;
+ pc->b_count = rw_dir == READ ? 0 : rq->bio->bi_size;
if (rq->cmd_flags & REQ_RW)
pc->flags |= PC_FLAG_WRITING;
pc->buf = NULL;
@@ -592,25 +601,6 @@ static void idefloppy_create_rw_cmd(idefloppy_floppy_t *floppy,
pc->flags |= PC_FLAG_DMA_OK;
}

-static void idefloppy_blockpc_cmd(idefloppy_floppy_t *floppy,
- struct ide_atapi_pc *pc, struct request *rq)
-{
- idefloppy_init_pc(pc);
- memcpy(pc->c, rq->cmd, sizeof(pc->c));
- pc->rq = rq;
- pc->b_count = rq->data_len;
- if (rq->data_len && rq_data_dir(rq) == WRITE)
- pc->flags |= PC_FLAG_WRITING;
- pc->buf = rq->data;
- if (rq->bio)
- pc->flags |= PC_FLAG_DMA_OK;
- /*
- * possibly problematic, doesn't look like ide-floppy correctly
- * handled scattered requests if dma fails...
- */
- pc->req_xfer = pc->buf_size = rq->data_len;
-}
-
static ide_startstop_t idefloppy_do_request(ide_drive_t *drive,
struct request *rq, sector_t block_s)
{
@@ -618,9 +608,9 @@ static ide_startstop_t idefloppy_do_request(ide_drive_t *drive,
struct ide_atapi_pc *pc;
unsigned long block = (unsigned long)block_s;

- debug_log("dev: %s, cmd_type: %x, errors: %d\n",
+ debug_log("dev: %s, cmd: %x, cmd_type: %x, errors: %d\n",
rq->rq_disk ? rq->rq_disk->disk_name : "?",
- rq->cmd_type, rq->errors);
+ rq->cmd[0], rq->cmd_type, rq->errors);
debug_log("sector: %ld, nr_sectors: %ld, "
"current_nr_sectors: %d\n", (long)rq->sector,
rq->nr_sectors, rq->current_nr_sectors);
@@ -644,12 +634,9 @@ static ide_startstop_t idefloppy_do_request(ide_drive_t *drive,
}
pc = idefloppy_next_pc_storage(drive);
idefloppy_create_rw_cmd(floppy, pc, rq, block);
- } else if (blk_special_request(rq)) {
+ } else if (blk_pc_request(rq))
pc = (struct ide_atapi_pc *) rq->buffer;
- } else if (blk_pc_request(rq)) {
- pc = idefloppy_next_pc_storage(drive);
- idefloppy_blockpc_cmd(floppy, pc, rq);
- } else {
+ else {
blk_dump_rq_flags(rq,
"ide-floppy: unsupported command in queue");
idefloppy_end_request(drive, 0, 0);
@@ -671,7 +658,8 @@ static ide_startstop_t idefloppy_do_request(ide_drive_t *drive,
* Add a special packet command request to the tail of the request queue,
* and wait for it to be serviced.
*/
-static int idefloppy_queue_pc_tail(ide_drive_t *drive, struct ide_atapi_pc *pc)
+static int idefloppy_queue_pc_tail(ide_drive_t *drive, struct ide_atapi_pc *pc,
+ unsigned char *cmd)
{
struct ide_floppy_obj *floppy = drive->driver_data;
struct request *rq;
@@ -679,7 +667,8 @@ static int idefloppy_queue_pc_tail(ide_drive_t *drive, struct ide_atapi_pc *pc)

rq = blk_get_request(drive->queue, READ, __GFP_WAIT);
rq->buffer = (char *) pc;
- rq->cmd_type = REQ_TYPE_SPECIAL;
+ memcpy(rq->cmd, cmd, 12);
+ rq->cmd_type = REQ_TYPE_BLOCK_PC;
error = blk_execute_rq(drive->queue, floppy->disk, rq, 0);
blk_put_request(rq);

@@ -694,15 +683,16 @@ static int ide_floppy_get_flexible_disk_page(ide_drive_t *drive)
{
idefloppy_floppy_t *floppy = drive->driver_data;
struct ide_atapi_pc pc;
+ unsigned char cmd[12];
u8 *page;
int capacity, lba_capacity;
u16 transfer_rate, sector_size, cyls, rpm;
u8 heads, sectors;

idefloppy_create_mode_sense_cmd(&pc, IDEFLOPPY_FLEXIBLE_DISK_PAGE,
- MODE_SENSE_CURRENT);
+ MODE_SENSE_CURRENT, cmd);

- if (idefloppy_queue_pc_tail(drive, &pc)) {
+ if (idefloppy_queue_pc_tail(drive, &pc, cmd)) {
printk(KERN_ERR "ide-floppy: Can't get flexible disk page"
" parameters\n");
return 1;
@@ -746,13 +736,14 @@ static int idefloppy_get_sfrp_bit(ide_drive_t *drive)
{
idefloppy_floppy_t *floppy = drive->driver_data;
struct ide_atapi_pc pc;
+ unsigned char cmd[12];

floppy->srfp = 0;
idefloppy_create_mode_sense_cmd(&pc, IDEFLOPPY_CAPABILITIES_PAGE,
- MODE_SENSE_CURRENT);
+ MODE_SENSE_CURRENT, cmd);

pc.flags |= PC_FLAG_SUPPRESS_ERROR;
- if (idefloppy_queue_pc_tail(drive, &pc))
+ if (idefloppy_queue_pc_tail(drive, &pc, cmd))
return 1;

floppy->srfp = pc.buf[8 + 2] & 0x40;
@@ -767,6 +758,7 @@ static int ide_floppy_get_capacity(ide_drive_t *drive)
{
idefloppy_floppy_t *floppy = drive->driver_data;
struct ide_atapi_pc pc;
+ unsigned char cmd[12];
u8 *cap_desc;
u8 header_len, desc_cnt;
int i, rc = 1, blocks, length;
@@ -777,8 +769,8 @@ static int ide_floppy_get_capacity(ide_drive_t *drive)
floppy->bs_factor = 1;
set_capacity(floppy->disk, 0);

- idefloppy_create_read_capacity_cmd(&pc);
- if (idefloppy_queue_pc_tail(drive, &pc)) {
+ idefloppy_create_read_capacity_cmd(&pc, cmd);
+ if (idefloppy_queue_pc_tail(drive, &pc, cmd)) {
printk(KERN_ERR "ide-floppy: Can't get floppy parameters\n");
return 1;
}
@@ -882,6 +874,7 @@ static int ide_floppy_get_format_capacities(ide_drive_t *drive, int __user *arg)
u8 header_len, desc_cnt;
int i, blocks, length, u_array_size, u_index;
int __user *argp;
+ unsigned char cmd[12];

if (get_user(u_array_size, arg))
return (-EFAULT);
@@ -889,8 +882,8 @@ static int ide_floppy_get_format_capacities(ide_drive_t *drive, int __user *arg)
if (u_array_size <= 0)
return (-EINVAL);

- idefloppy_create_read_capacity_cmd(&pc);
- if (idefloppy_queue_pc_tail(drive, &pc)) {
+ idefloppy_create_read_capacity_cmd(&pc, cmd);
+ if (idefloppy_queue_pc_tail(drive, &pc, cmd)) {
printk(KERN_ERR "ide-floppy: Can't get floppy parameters\n");
return (-EIO);
}
@@ -944,11 +937,12 @@ static int idefloppy_get_format_progress(ide_drive_t *drive, int __user *arg)
{
idefloppy_floppy_t *floppy = drive->driver_data;
struct ide_atapi_pc pc;
+ unsigned char cmd[12];
int progress_indication = 0x10000;

if (floppy->srfp) {
- idefloppy_create_request_sense_cmd(&pc);
- if (idefloppy_queue_pc_tail(drive, &pc))
+ idefloppy_create_request_sense_cmd(&pc, cmd);
+ if (idefloppy_queue_pc_tail(drive, &pc, cmd))
return (-EIO);

if (floppy->sense_key == 2 &&
@@ -1150,6 +1144,7 @@ static int idefloppy_open(struct inode *inode, struct file *filp)
struct ide_floppy_obj *floppy;
ide_drive_t *drive;
struct ide_atapi_pc pc;
+ unsigned char cmd[12];
int ret = 0;

debug_log("Reached %s\n", __func__);
@@ -1166,10 +1161,10 @@ static int idefloppy_open(struct inode *inode, struct file *filp)
floppy->flags &= ~IDEFLOPPY_FLAG_FORMAT_IN_PROGRESS;
/* Just in case */

- idefloppy_create_test_unit_ready_cmd(&pc);
- if (idefloppy_queue_pc_tail(drive, &pc)) {
- idefloppy_create_start_stop_cmd(&pc, 1);
- (void) idefloppy_queue_pc_tail(drive, &pc);
+ idefloppy_create_test_unit_ready_cmd(&pc, cmd);
+ if (idefloppy_queue_pc_tail(drive, &pc, cmd)) {
+ idefloppy_create_start_stop_cmd(&pc, 1, cmd);
+ (void) idefloppy_queue_pc_tail(drive, &pc, cmd);
}

if (ide_floppy_get_capacity(drive)
@@ -1191,8 +1186,8 @@ static int idefloppy_open(struct inode *inode, struct file *filp)
floppy->flags |= IDEFLOPPY_FLAG_MEDIA_CHANGED;
/* IOMEGA Clik! drives do not support lock/unlock commands */
if (!(floppy->flags & IDEFLOPPY_FLAG_CLIK_DRIVE)) {
- idefloppy_create_prevent_cmd(&pc, 1);
- (void) idefloppy_queue_pc_tail(drive, &pc);
+ idefloppy_create_prevent_cmd(&pc, 1, cmd);
+ (void) idefloppy_queue_pc_tail(drive, &pc, cmd);
}
check_disk_change(inode->i_bdev);
} else if (floppy->flags & IDEFLOPPY_FLAG_FORMAT_IN_PROGRESS) {
@@ -1213,14 +1208,15 @@ static int idefloppy_release(struct inode *inode, struct file *filp)
struct ide_floppy_obj *floppy = ide_floppy_g(disk);
ide_drive_t *drive = floppy->drive;
struct ide_atapi_pc pc;
+ unsigned char cmd[12];

debug_log("Reached %s\n", __func__);

if (floppy->openers == 1) {
/* IOMEGA Clik! drives do not support lock/unlock commands */
if (!(floppy->flags & IDEFLOPPY_FLAG_CLIK_DRIVE)) {
- idefloppy_create_prevent_cmd(&pc, 0);
- (void) idefloppy_queue_pc_tail(drive, &pc);
+ idefloppy_create_prevent_cmd(&pc, 0, cmd);
+ (void) idefloppy_queue_pc_tail(drive, &pc, cmd);
}

floppy->flags &= ~IDEFLOPPY_FLAG_FORMAT_IN_PROGRESS;
@@ -1247,6 +1243,8 @@ static int idefloppy_getgeo(struct block_device *bdev, struct hd_geometry *geo)
static int ide_floppy_lockdoor(idefloppy_floppy_t *floppy,
struct ide_atapi_pc *pc, unsigned long arg, unsigned int cmd)
{
+ unsigned char pc_cmd[12];
+
if (floppy->openers > 1)
return -EBUSY;

@@ -1258,13 +1256,13 @@ static int ide_floppy_lockdoor(idefloppy_floppy_t *floppy,
if (cmd == CDROMEJECT)
prevent = 0;

- idefloppy_create_prevent_cmd(pc, prevent);
- (void) idefloppy_queue_pc_tail(floppy->drive, pc);
+ idefloppy_create_prevent_cmd(pc, prevent, pc_cmd);
+ (void) idefloppy_queue_pc_tail(floppy->drive, pc, pc_cmd);
}

if (cmd == CDROMEJECT) {
- idefloppy_create_start_stop_cmd(pc, 2);
- (void) idefloppy_queue_pc_tail(floppy->drive, pc);
+ idefloppy_create_start_stop_cmd(pc, 2, pc_cmd);
+ (void) idefloppy_queue_pc_tail(floppy->drive, pc, pc_cmd);
}

return 0;
@@ -1275,6 +1273,7 @@ static int ide_floppy_format_unit(idefloppy_floppy_t *floppy,
{
int blocks, length, flags, err = 0;
struct ide_atapi_pc pc;
+ unsigned char cmd[12];

if (floppy->openers > 1) {
/* Don't format if someone is using the disk */
@@ -1307,9 +1306,9 @@ static int ide_floppy_format_unit(idefloppy_floppy_t *floppy,
}

(void) idefloppy_get_sfrp_bit(floppy->drive);
- idefloppy_create_format_unit_cmd(&pc, blocks, length, flags);
+ idefloppy_create_format_unit_cmd(&pc, blocks, length, flags, cmd);

- if (idefloppy_queue_pc_tail(floppy->drive, &pc))
+ if (idefloppy_queue_pc_tail(floppy->drive, &pc, cmd))
err = -EIO;

out:
--
1.5.5.1


\
 
 \ /
  Last update: 2008-06-12 08:51    [W:0.190 / U:1.592 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site