cdrom: Remove cdrom_get_next_writeable prototype
Move the function to the right spot instead. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Jens Axboe <axboe@fb.com>
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e1e60fda48
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@ -338,7 +338,6 @@ do { \
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/* Not-exported routines. */
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static int cdrom_get_next_writable(struct cdrom_device_info *, long *);
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static void cdrom_count_tracks(struct cdrom_device_info *, tracktype*);
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static int cdrom_mrw_exit(struct cdrom_device_info *cdi);
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@ -2836,6 +2835,57 @@ use_toc:
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return 0;
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}
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/* return the next writable block. also for udf file system. */
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static int cdrom_get_next_writable(struct cdrom_device_info *cdi,
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long *next_writable)
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{
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disc_information di;
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track_information ti;
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__u16 last_track;
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int ret, ti_size;
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if (!CDROM_CAN(CDC_GENERIC_PACKET))
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goto use_last_written;
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ret = cdrom_get_disc_info(cdi, &di);
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if (ret < 0 || ret < offsetof(typeof(di), last_track_lsb)
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+ sizeof(di.last_track_lsb))
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goto use_last_written;
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/* if unit didn't return msb, it's zeroed by cdrom_get_disc_info */
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last_track = (di.last_track_msb << 8) | di.last_track_lsb;
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ti_size = cdrom_get_track_info(cdi, last_track, 1, &ti);
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if (ti_size < 0 || ti_size < offsetof(typeof(ti), track_start))
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goto use_last_written;
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/* if this track is blank, try the previous. */
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if (ti.blank) {
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if (last_track == 1)
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goto use_last_written;
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last_track--;
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ti_size = cdrom_get_track_info(cdi, last_track, 1, &ti);
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if (ti_size < 0)
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goto use_last_written;
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}
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/* if next recordable address field is valid, use it. */
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if (ti.nwa_v && ti_size >= offsetof(typeof(ti), next_writable)
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+ sizeof(ti.next_writable)) {
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*next_writable = be32_to_cpu(ti.next_writable);
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return 0;
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}
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use_last_written:
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ret = cdrom_get_last_written(cdi, next_writable);
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if (ret) {
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*next_writable = 0;
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return ret;
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} else {
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*next_writable += 7;
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return 0;
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}
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}
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static noinline int mmc_ioctl_cdrom_read_data(struct cdrom_device_info *cdi,
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void __user *arg,
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struct packet_command *cgc,
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@ -3339,55 +3389,6 @@ static int cdrom_get_disc_info(struct cdrom_device_info *cdi, disc_information *
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return buflen;
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}
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/* return the next writable block. also for udf file system. */
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static int cdrom_get_next_writable(struct cdrom_device_info *cdi, long *next_writable)
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{
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disc_information di;
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track_information ti;
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__u16 last_track;
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int ret, ti_size;
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if (!CDROM_CAN(CDC_GENERIC_PACKET))
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goto use_last_written;
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ret = cdrom_get_disc_info(cdi, &di);
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if (ret < 0 || ret < offsetof(typeof(di), last_track_lsb)
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+ sizeof(di.last_track_lsb))
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goto use_last_written;
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/* if unit didn't return msb, it's zeroed by cdrom_get_disc_info */
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last_track = (di.last_track_msb << 8) | di.last_track_lsb;
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ti_size = cdrom_get_track_info(cdi, last_track, 1, &ti);
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if (ti_size < 0 || ti_size < offsetof(typeof(ti), track_start))
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goto use_last_written;
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/* if this track is blank, try the previous. */
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if (ti.blank) {
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if (last_track == 1)
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goto use_last_written;
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last_track--;
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ti_size = cdrom_get_track_info(cdi, last_track, 1, &ti);
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if (ti_size < 0)
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goto use_last_written;
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}
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/* if next recordable address field is valid, use it. */
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if (ti.nwa_v && ti_size >= offsetof(typeof(ti), next_writable)
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+ sizeof(ti.next_writable)) {
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*next_writable = be32_to_cpu(ti.next_writable);
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return 0;
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}
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use_last_written:
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if ((ret = cdrom_get_last_written(cdi, next_writable))) {
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*next_writable = 0;
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return ret;
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} else {
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*next_writable += 7;
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return 0;
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}
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}
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EXPORT_SYMBOL(cdrom_get_last_written);
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EXPORT_SYMBOL(register_cdrom);
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EXPORT_SYMBOL(unregister_cdrom);
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