[PATCH 04/31] 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@xxxxxx>
---
 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

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