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s390/tape: Remove count parameter from read/write_block functions

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The count parameter of the read/write_block discipline functions was
never used. Remove it.

Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
Reviewed-by: Jens Remus <jremus@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
This commit is contained in:
Jan Höppner 2025-10-16 09:47:11 +02:00 committed by Heiko Carstens
parent 211ddde082
commit 39376c77a5
4 changed files with 8 additions and 8 deletions
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4
drivers/s390/char/tape.h
View File

@ -151,8 +151,8 @@ struct tape_discipline {
int (*setup_device)(struct tape_device *);
void (*cleanup_device)(struct tape_device *);
int (*irq)(struct tape_device *, struct tape_request *, struct irb *);
struct tape_request *(*read_block)(struct tape_device *, size_t);
struct tape_request *(*write_block)(struct tape_device *, size_t);
struct tape_request *(*read_block)(struct tape_device *);
struct tape_request *(*write_block)(struct tape_device *);
void (*process_eov)(struct tape_device*);
/* ioctl function for additional ioctls. */
int (*ioctl_fn)(struct tape_device *, unsigned int, unsigned long);

4
drivers/s390/char/tape_char.c
View File

@ -162,7 +162,7 @@ tapechar_read(struct file *filp, char __user *data, size_t count, loff_t *ppos)
DBF_EVENT(6, "TCHAR:nbytes: %lx\n", block_size);
/* Let the discipline build the ccw chain. */
request = device->discipline->read_block(device, block_size);
request = device->discipline->read_block(device);
if (IS_ERR(request))
return PTR_ERR(request);
/* Execute it. */
@ -215,7 +215,7 @@ tapechar_write(struct file *filp, const char __user *data, size_t count, loff_t
DBF_EVENT(6,"TCHAR:nbytes: %lx\n", block_size);
DBF_EVENT(6, "TCHAR:nblocks: %x\n", nblocks);
/* Let the discipline build the ccw chain. */
request = device->discipline->write_block(device, block_size);
request = device->discipline->write_block(device);
if (IS_ERR(request))
return PTR_ERR(request);
rc = 0;

4
drivers/s390/char/tape_std.c
View File

@ -641,7 +641,7 @@ tape_std_mtcompression(struct tape_device *device, int mt_count)
* Read Block
*/
struct tape_request *
tape_std_read_block(struct tape_device *device, size_t count)
tape_std_read_block(struct tape_device *device)
{
struct tape_request *request;
@ -685,7 +685,7 @@ tape_std_read_backward(struct tape_device *device, struct tape_request *request)
* Write Block
*/
struct tape_request *
tape_std_write_block(struct tape_device *device, size_t count)
tape_std_write_block(struct tape_device *device)
{
struct tape_request *request;

4
drivers/s390/char/tape_std.h
View File

@ -97,10 +97,10 @@
#define SENSE_TAPE_POSITIONING 0x01
/* discipline functions */
struct tape_request *tape_std_read_block(struct tape_device *, size_t);
struct tape_request *tape_std_read_block(struct tape_device *);
void tape_std_read_backward(struct tape_device *device,
struct tape_request *request);
struct tape_request *tape_std_write_block(struct tape_device *, size_t);
struct tape_request *tape_std_write_block(struct tape_device *);
/* Some non-mtop commands. */
int tape_std_assign(struct tape_device *);