Commit 7da21a02 authored by Jens Axboe's avatar Jens Axboe Committed by Linus Torvalds
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[PATCH] Avoid unnecessary ide-cd cache flushes



Only issue a cdrom cache flush if we've done write to the drive.  The
->media_written() flag keeps track of that.
Signed-off-by: default avatarJens Axboe <axboe@suse.de>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 76530da1
......@@ -645,7 +645,7 @@ static int cdrom_mrw_exit(struct cdrom_device_info *cdi)
ret = cdrom_mrw_bgformat_susp(cdi, 0);
}
if (!ret)
if (!ret && cdi->media_written)
ret = cdrom_flush_cache(cdi);
return ret;
......
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