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Commit a2f5b7f4 authored by Borislav Petkov's avatar Borislav Petkov Committed by Bartlomiej Zolnierkiewicz
Browse files

ide-tape: remove struct idetape_read_position_result_t 



There should be no functional changes resulting from this patch.

Bart:
- remove needless "!!"

Signed-off-by: default avatarBorislav Petkov <petkovbb@gmail.com>
Signed-off-by: default avatarBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
parent 8004a8c9

drivers/ide/ide-tape.c

+18 −32
Original line number Diff line number Diff line
@@ -571,24 +571,6 @@ struct idetape_id_gcw { 
	unsigned protocol		:2;	/* Protocol type */

};



/*

 *	READ POSITION packet command - Data Format (From Table 6-57)

 */

typedef struct {

	unsigned	reserved0_10	:2;	/* Reserved */

	unsigned	bpu		:1;	/* Block Position Unknown */	

	unsigned	reserved0_543	:3;	/* Reserved */

	unsigned	eop		:1;	/* End Of Partition */

	unsigned	bop		:1;	/* Beginning Of Partition */

	u8		partition;		/* Partition Number */

	u8		reserved2, reserved3;	/* Reserved */

	u32		first_block;		/* First Block Location */

	u32		last_block;		/* Last Block Location (Optional) */

	u8		reserved12;		/* Reserved */

	u8		blocks_in_buffer[3];	/* Blocks In Buffer - (Optional) */

	u32		bytes_in_buffer;	/* Bytes In Buffer (Optional) */

} idetape_read_position_result_t;



/* Structures related to the SELECT SENSE / MODE SENSE packet commands. */

#define IDETAPE_BLOCK_DESCRIPTOR	0

#define	IDETAPE_CAPABILITIES_PAGE	0x2a
@@ -2003,27 +1985,31 @@ static void idetape_wait_for_request (ide_drive_t *drive, struct request *rq) 
static ide_startstop_t idetape_read_position_callback(ide_drive_t *drive)

{

	idetape_tape_t *tape = drive->driver_data;

	idetape_read_position_result_t *result;

	u8 *readpos = tape->pc->buffer;



	debug_log(DBG_PROCS, "Enter %s\n", __func__);



	if (!tape->pc->error) {

		result = (idetape_read_position_result_t *) tape->pc->buffer;

		debug_log(DBG_SENSE, "BOP - %s\n", result->bop ? "Yes" : "No");

		debug_log(DBG_SENSE, "EOP - %s\n", result->eop ? "Yes" : "No");



		if (result->bpu) {

			printk(KERN_INFO "ide-tape: Block location is unknown to the tape\n");

		debug_log(DBG_SENSE, "BOP - %s\n",

				(readpos[0] & 0x80) ? "Yes" : "No");

		debug_log(DBG_SENSE, "EOP - %s\n",

				(readpos[0] & 0x40) ? "Yes" : "No");



		if (readpos[0] & 0x4) {

			printk(KERN_INFO "ide-tape: Block location is unknown"

					 "to the tape\n");

			clear_bit(IDETAPE_ADDRESS_VALID, &tape->flags);

			idetape_end_request(drive, 0, 0);

		} else {

			debug_log(DBG_SENSE, "Block Location - %u\n",

					ntohl(result->first_block));



			tape->partition = result->partition;

			tape->first_frame_position = ntohl(result->first_block);

			tape->last_frame_position = ntohl(result->last_block);

			tape->blocks_in_buffer = result->blocks_in_buffer[2];

					be32_to_cpu(*(u32 *)&readpos[4]));



			tape->partition = readpos[1];

			tape->first_frame_position =

				be32_to_cpu(*(u32 *)&readpos[4]);

			tape->last_frame_position =

				be32_to_cpu(*(u32 *)&readpos[8]);

			tape->blocks_in_buffer = readpos[15];

			set_bit(IDETAPE_ADDRESS_VALID, &tape->flags);

			idetape_end_request(drive, 1, 0);

		}