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, 1 deletions

diff --git a/include/linux/ide.h b/include/linux/ide.h
index 606cef727c5a..40b5fa2f2627 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -636,7 +636,6 @@ typedef struct ide_drive_s {
         unsigned int    bios_cyl;       /* BIOS/fdisk/LILO number of cyls */
         unsigned int    cyl;            /* "real" number of cyls */
         unsigned int    drive_data;     /* use by tuneproc/selectproc */
-        unsigned int    usage;          /* current "open()" count for drive */
         unsigned int    failures;       /* current failure count */
         unsigned int    max_failures;   /* maximum allowed failure count */
         u64             probed_capacity;/* initial reported media capacity (ide-cd only currently) */