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ide: remove no longer needed ide_drive_t fields

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Remove ->remap_0_to_1 and ->sect0 (they are always zero now).

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz 2008-10-10 22:39:22 +02:00
parent 3a7d24841a
commit 3c619ffd48
3 changed files with 4 additions and 18 deletions
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2
drivers/ide/ide-disk.c
View file

@ -472,7 +472,7 @@ static void init_idedisk_capacity(ide_drive_t *drive)
static sector_t idedisk_capacity(ide_drive_t *drive)
{
return drive->capacity64 - drive->sect0;
return drive->capacity64;
}
#ifdef CONFIG_IDE_PROC_FS

18
drivers/ide/ide-io.c
View file

@ -765,9 +765,7 @@ static void ide_check_pm_state(ide_drive_t *drive, struct request *rq)
* start_request - start of I/O and command issuing for IDE
*
* start_request() initiates handling of a new I/O request. It
* accepts commands and I/O (read/write) requests. It also does
* the final remapping for weird stuff like EZDrive. Once
* device mapper can work sector level the EZDrive stuff can go away
* accepts commands and I/O (read/write) requests.
*
* FIXME: this function needs a rename
*/
@ -775,7 +773,6 @@ static void ide_check_pm_state(ide_drive_t *drive, struct request *rq)
static ide_startstop_t start_request (ide_drive_t *drive, struct request *rq)
{
ide_startstop_t startstop;
sector_t block;
BUG_ON(!blk_rq_started(rq));
@ -790,16 +787,6 @@ static ide_startstop_t start_request (ide_drive_t *drive, struct request *rq)
goto kill_rq;
}
block = rq->sector;
if (blk_fs_request(rq) &&
(drive->media == ide_disk || drive->media == ide_floppy)) {
block += drive->sect0;
}
/* Yecch - this will shift the entire interval,
possibly killing some innocent following sector */
if (block == 0 && drive->remap_0_to_1 == 1)
block = 1; /* redirect MBR access to EZ-Drive partn table */
if (blk_pm_request(rq))
ide_check_pm_state(drive, rq);
@ -844,7 +831,8 @@ static ide_startstop_t start_request (ide_drive_t *drive, struct request *rq)
return ide_special_rq(drive, rq);
drv = *(ide_driver_t **)rq->rq_disk->private_data;
return drv->do_request(drive, rq, block);
return drv->do_request(drive, rq, rq->sector);
}
return do_special(drive);
kill_rq:

2
include/linux/ide.h
View file

@ -418,7 +418,6 @@ struct ide_drive_s {
unsigned atapi_overlap : 1; /* ATAPI overlap (not supported) */
unsigned doorlocking : 1; /* for removable only: door lock/unlock works */
unsigned nodma : 1; /* disallow DMA */
unsigned remap_0_to_1 : 1; /* 0=noremap, 1=remap 0->1 (for EZDrive) */
unsigned blocked : 1; /* 1=powermanagment told us not to do anything, so sleep nicely */
unsigned scsi : 1; /* 0=default, 1=ide-scsi emulation */
unsigned sleeping : 1; /* 1=sleeping & sleep field valid */
@ -441,7 +440,6 @@ struct ide_drive_s {
u8 io_32bit; /* 0=16-bit, 1=32-bit, 2/3=32bit+sync */
u8 bad_wstat; /* used for ignoring ATA_DF */
u8 nowerr; /* used for ignoring ATA_DF */
u8 sect0; /* offset of first sector for DM6:DDO */
u8 head; /* "real" number of heads */
u8 sect; /* "real" sectors per track */
u8 bios_head; /* BIOS/fdisk/LILO number of heads */