ide: remove ide_drive_t.usage

This field is no longer used by the core IDE code so fix ide-{disk,floppy}
drivers to keep openers count in the driver specific objects and remove
it from ide-{cd,scsi,tape} drivers (it was write-only).

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

1 files changed, 0 insertions, 8 deletions

diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c
index 8f6b5bf580f6..2b5b8a93bc10 100644
--- a/drivers/scsi/ide-scsi.c
+++ b/drivers/scsi/ide-scsi.c
@@ -801,15 +801,10 @@ static int idescsi_ide_open(struct inode *inode, struct file *filp)
 {
         struct gendisk *disk = inode->i_bdev->bd_disk;
         struct ide_scsi_obj *scsi;
-        ide_drive_t *drive;
 
         if (!(scsi = ide_scsi_get(disk)))
                 return -ENXIO;
 
-        drive = scsi->drive;
-
-        drive->usage++;
-
         return 0;
 }
 
@@ -817,9 +812,6 @@ static int idescsi_ide_release(struct inode *inode, struct file *filp)
 {
         struct gendisk *disk = inode->i_bdev->bd_disk;
         struct ide_scsi_obj *scsi = ide_scsi_g(disk);
-        ide_drive_t *drive = scsi->drive;
-
-        drive->usage--;
 
         ide_scsi_put(scsi);