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cdrom: remove the unused cdrom_close_write release code

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cdrom_close_write is empty, and the for_data flag it is keyed off is
never set.  Remove all this clutter.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Phillip Potter <phil@philpotter.co.uk>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Acked-by: Christian Brauner <brauner@kernel.org>
Link: https://lore.kernel.org/r/20230608110258.189493-5-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2023-06-08 13:02:32 +02:00 committed by Jens Axboe
parent 473399b50d
commit a4cec8bc14
2 changed files with 0 additions and 16 deletions
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15
drivers/cdrom/cdrom.c
View file

@ -978,15 +978,6 @@ static void cdrom_dvd_rw_close_write(struct cdrom_device_info *cdi)
cdi->media_written = 0;
}
static int cdrom_close_write(struct cdrom_device_info *cdi)
{
#if 0
return cdrom_flush_cache(cdi);
#else
return 0;
#endif
}
/* badly broken, I know. Is due for a fixup anytime. */
static void cdrom_count_tracks(struct cdrom_device_info *cdi, tracktype *tracks)
{
@ -1282,12 +1273,6 @@ void cdrom_release(struct cdrom_device_info *cdi, fmode_t mode)
opened_for_data = !(cdi->options & CDO_USE_FFLAGS) ||
!(mode & FMODE_NDELAY);
/*
* flush cache on last write release
*/
if (CDROM_CAN(CDC_RAM) && !cdi->use_count && cdi->for_data)
cdrom_close_write(cdi);
cdo->release(cdi);
if (cdi->use_count == 0) { /* last process that closes dev*/
if (opened_for_data &&

1
include/linux/cdrom.h
View file

@ -61,7 +61,6 @@ struct cdrom_device_info {
__u8 last_sense;
__u8 media_written; /* dirty flag, DVD+RW bookkeeping */
unsigned short mmc3_profile; /* current MMC3 profile */
int for_data;
int (*exit)(struct cdrom_device_info *);
int mrw_mode_page;
__s64 last_media_change_ms;