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Date: Thu, 24 Jul 2008 21:42:52 +0200
From: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
To: linux-ide@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
Subject: [PATCH] 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@...il.com>
---
drivers/ide/ide-disk.c | 2 +-
drivers/ide/ide-io.c | 18 +++---------------
include/linux/ide.h | 2 --
3 files changed, 4 insertions(+), 18 deletions(-)
Index: b/drivers/ide/ide-disk.c
===================================================================
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -480,7 +480,7 @@ static void init_idedisk_capacity(ide_dr
static sector_t idedisk_capacity(ide_drive_t *drive)
{
- return drive->capacity64 - drive->sect0;
+ return drive->capacity64;
}
#ifdef CONFIG_IDE_PROC_FS
Index: b/drivers/ide/ide-io.c
===================================================================
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -766,9 +766,7 @@ static void ide_check_pm_state(ide_drive
* 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
*/
@@ -776,7 +774,6 @@ static void ide_check_pm_state(ide_drive
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));
@@ -791,16 +788,6 @@ static ide_startstop_t start_request (id
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);
@@ -845,7 +832,8 @@ static ide_startstop_t start_request (id
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:
Index: b/include/linux/ide.h
===================================================================
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -427,7 +427,6 @@ 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 */
@@ -450,7 +449,6 @@ 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 */
--
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