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ide-cd: remove dead dsc_overlap setting 

dsc_overlap setting is not useful anymore for ide-cd so remove
"dsc_overlap" /proc setting, disallow changing the setting through
HDIO_SET_NICE ioctl and cleanup ide_cd{rom_setup,_release}().

Cc: Borislav Petkov <petkovbb@googlemail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz 2008-12-29 20:27:38 +01:00
parent 94b9efdf5a
commit 519d68082e
2 changed files with 2 additions and 15 deletions
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15
drivers/ide/ide-cd.c
View File

@ -1831,13 +1831,6 @@ static ide_proc_entry_t idecd_proc[] = {
{ NULL, 0, NULL, NULL }
};
ide_devset_rw_flag(dsc_overlap, IDE_DFLAG_DSC_OVERLAP);
static const struct ide_proc_devset idecd_settings[] = {
IDE_PROC_DEVSET(dsc_overlap, 0, 1),
{ 0 },
};
static ide_proc_entry_t *ide_cd_proc_entries(ide_drive_t *drive)
{
return idecd_proc;
@ -1845,7 +1838,7 @@ static ide_proc_entry_t *ide_cd_proc_entries(ide_drive_t *drive)
static const struct ide_proc_devset *ide_cd_proc_devsets(ide_drive_t *drive)
{
return idecd_settings;
return NULL;
}
#endif
@ -1945,11 +1938,6 @@ static int ide_cdrom_setup(ide_drive_t *drive)
/* set correct block size */
blk_queue_hardsect_size(drive->queue, CD_FRAMESIZE);
if (drive->next != drive)
drive->dev_flags |= IDE_DFLAG_DSC_OVERLAP;
else
drive->dev_flags &= ~IDE_DFLAG_DSC_OVERLAP;
if (ide_cdrom_register(drive, nslots)) {
printk(KERN_ERR PFX "%s: %s failed to register device with the"
" cdrom driver.\n", drive->name, __func__);
@ -1986,7 +1974,6 @@ static void ide_cd_release(struct kref *kref)
kfree(info->toc);
if (devinfo->handle == drive)
unregister_cdrom(devinfo);
drive->dev_flags &= ~IDE_DFLAG_DSC_OVERLAP;
drive->driver_data = NULL;
blk_queue_prep_rq(drive->queue, NULL);
g->private_data = NULL;

2
drivers/ide/ide-ioctls.c
View File

@ -95,7 +95,7 @@ static int ide_set_nice_ioctl(ide_drive_t *drive, unsigned long arg)
return -EPERM;
if (((arg >> IDE_NICE_DSC_OVERLAP) & 1) &&
(drive->media == ide_disk || drive->media == ide_floppy ||
(drive->media != ide_tape ||
(drive->dev_flags & IDE_DFLAG_SCSI)))
return -EPERM;