| Message ID | 20230606073950.225178-5-hch@lst.de |
|---|---|
| State | Superseded |
| Headers | show |
| Series | [01/31] block: also call ->open for incremental partition opens | expand |
On Tue, Jun 06, 2023 at 09:39:23AM +0200, Christoph Hellwig wrote: > 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> > --- > drivers/cdrom/cdrom.c | 15 --------------- > include/linux/cdrom.h | 1 - > 2 files changed, 16 deletions(-) > > diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c > index 245e5bbb05d41c..08abf1ffede002 100644 > --- a/drivers/cdrom/cdrom.c > +++ b/drivers/cdrom/cdrom.c > @@ -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 && > diff --git a/include/linux/cdrom.h b/include/linux/cdrom.h > index 4aea8c82d16971..0a5db0b0c958a1 100644 > --- a/include/linux/cdrom.h > +++ b/include/linux/cdrom.h > @@ -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; > -- > 2.39.2 > All good, many thanks. Signed-off-by: Phillip Potter <phil@philpotter.co.uk> Regards, Phil
On Tue, Jun 06, 2023 at 09:39:23AM +0200, Christoph Hellwig wrote: > 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> > --- Looks good to me, Acked-by: Christian Brauner <brauner@kernel.org>
On 6/6/23 09:39, Christoph Hellwig wrote: > 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> > --- > drivers/cdrom/cdrom.c | 15 --------------- > include/linux/cdrom.h | 1 - > 2 files changed, 16 deletions(-) > Reviewed-by: Hannes Reinecke <hare@suse.de> Cheers, Hannes
diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c index 245e5bbb05d41c..08abf1ffede002 100644 --- a/drivers/cdrom/cdrom.c +++ b/drivers/cdrom/cdrom.c @@ -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 && diff --git a/include/linux/cdrom.h b/include/linux/cdrom.h index 4aea8c82d16971..0a5db0b0c958a1 100644 --- a/include/linux/cdrom.h +++ b/include/linux/cdrom.h @@ -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;
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> --- drivers/cdrom/cdrom.c | 15 --------------- include/linux/cdrom.h | 1 - 2 files changed, 16 deletions(-)