From 3c619ffd48d7fdb3b17f0df67c4eb4b0bd80e253 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:22 +0200 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 --- drivers/ide/ide-disk.c | 2 +- drivers/ide/ide-io.c | 18 +++--------------- include/linux/ide.h | 2 -- 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 */ -- GitLab