ide: remove no longer needed ide_drive_t fields

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

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

3 files changed, 4 insertions, 18 deletions

diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index 83da9a98dabc..d4d730252669 100644
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -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
diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index 8dd7b46b41b7..96975e24a0cc 100644
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -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:
diff --git a/include/linux/ide.h b/include/linux/ide.h
index d963c1929c84..ca0b132de1ae 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -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 */