cdrom: Remove cdrom_get_last_written prototype
Move the function instead. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Joe Perches
Jens Axboe
Родитель
2e9aa08a48
Коммит
e1e60fda48
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@ -338,7 +338,6 @@ do { \
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/* Not-exported routines. */
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int cdrom_get_last_written(struct cdrom_device_info *, long *);
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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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@ -2740,6 +2739,103 @@ static int cdrom_switch_blocksize(struct cdrom_device_info *cdi, int size)
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return cdo->generic_packet(cdi, &cgc);
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}
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static int cdrom_get_track_info(struct cdrom_device_info *cdi,
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__u16 track, __u8 type, track_information *ti)
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{
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struct cdrom_device_ops *cdo = cdi->ops;
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struct packet_command cgc;
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int ret, buflen;
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init_cdrom_command(&cgc, ti, 8, CGC_DATA_READ);
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cgc.cmd[0] = GPCMD_READ_TRACK_RZONE_INFO;
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cgc.cmd[1] = type & 3;
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cgc.cmd[4] = (track & 0xff00) >> 8;
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cgc.cmd[5] = track & 0xff;
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cgc.cmd[8] = 8;
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cgc.quiet = 1;
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ret = cdo->generic_packet(cdi, &cgc);
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if (ret)
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return ret;
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buflen = be16_to_cpu(ti->track_information_length) +
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sizeof(ti->track_information_length);
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if (buflen > sizeof(track_information))
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buflen = sizeof(track_information);
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cgc.cmd[8] = cgc.buflen = buflen;
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ret = cdo->generic_packet(cdi, &cgc);
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if (ret)
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return ret;
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/* return actual fill size */
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return buflen;
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}
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/* return the last written block on the CD-R media. this is for the udf
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file system. */
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int cdrom_get_last_written(struct cdrom_device_info *cdi, long *last_written)
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{
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struct cdrom_tocentry toc;
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disc_information di;
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track_information ti;
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__u32 last_track;
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int ret = -1, ti_size;
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if (!CDROM_CAN(CDC_GENERIC_PACKET))
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goto use_toc;
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ret = cdrom_get_disc_info(cdi, &di);
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if (ret < (int)(offsetof(typeof(di), last_track_lsb)
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+ sizeof(di.last_track_lsb)))
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goto use_toc;
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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 < (int)offsetof(typeof(ti), track_start))
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goto use_toc;
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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_toc;
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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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}
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if (ti_size < (int)(offsetof(typeof(ti), track_size)
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+ sizeof(ti.track_size)))
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goto use_toc;
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/* if last recorded field is valid, return it. */
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if (ti.lra_v && ti_size >= (int)(offsetof(typeof(ti), last_rec_address)
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+ sizeof(ti.last_rec_address))) {
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*last_written = be32_to_cpu(ti.last_rec_address);
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} else {
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/* make it up instead */
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*last_written = be32_to_cpu(ti.track_start) +
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be32_to_cpu(ti.track_size);
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if (ti.free_blocks)
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*last_written -= (be32_to_cpu(ti.free_blocks) + 7);
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}
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return 0;
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/* this is where we end up if the drive either can't do a
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GPCMD_READ_DISC_INFO or GPCMD_READ_TRACK_RZONE_INFO or if
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it doesn't give enough information or fails. then we return
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the toc contents. */
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use_toc:
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toc.cdte_format = CDROM_MSF;
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toc.cdte_track = CDROM_LEADOUT;
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if ((ret = cdi->ops->audio_ioctl(cdi, CDROMREADTOCENTRY, &toc)))
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return ret;
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sanitize_format(&toc.cdte_addr, &toc.cdte_format, CDROM_LBA);
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*last_written = toc.cdte_addr.lba;
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return 0;
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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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@ -3210,38 +3306,6 @@ int cdrom_ioctl(struct cdrom_device_info *cdi, struct block_device *bdev,
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return -ENOSYS;
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}
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static int cdrom_get_track_info(struct cdrom_device_info *cdi, __u16 track, __u8 type,
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track_information *ti)
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{
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struct cdrom_device_ops *cdo = cdi->ops;
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struct packet_command cgc;
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int ret, buflen;
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init_cdrom_command(&cgc, ti, 8, CGC_DATA_READ);
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cgc.cmd[0] = GPCMD_READ_TRACK_RZONE_INFO;
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cgc.cmd[1] = type & 3;
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cgc.cmd[4] = (track & 0xff00) >> 8;
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cgc.cmd[5] = track & 0xff;
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cgc.cmd[8] = 8;
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cgc.quiet = 1;
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if ((ret = cdo->generic_packet(cdi, &cgc)))
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return ret;
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buflen = be16_to_cpu(ti->track_information_length) +
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sizeof(ti->track_information_length);
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if (buflen > sizeof(track_information))
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buflen = sizeof(track_information);
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cgc.cmd[8] = cgc.buflen = buflen;
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if ((ret = cdo->generic_packet(cdi, &cgc)))
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return ret;
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/* return actual fill size */
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return buflen;
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}
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/* requires CD R/RW */
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static int cdrom_get_disc_info(struct cdrom_device_info *cdi, disc_information *di)
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{
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@ -3275,69 +3339,6 @@ 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 last written block on the CD-R media. this is for the udf
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file system. */
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int cdrom_get_last_written(struct cdrom_device_info *cdi, long *last_written)
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{
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struct cdrom_tocentry toc;
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disc_information di;
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track_information ti;
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__u32 last_track;
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int ret = -1, ti_size;
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if (!CDROM_CAN(CDC_GENERIC_PACKET))
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goto use_toc;
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ret = cdrom_get_disc_info(cdi, &di);
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if (ret < (int)(offsetof(typeof(di), last_track_lsb)
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+ sizeof(di.last_track_lsb)))
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goto use_toc;
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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 < (int)offsetof(typeof(ti), track_start))
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goto use_toc;
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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_toc;
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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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}
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if (ti_size < (int)(offsetof(typeof(ti), track_size)
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+ sizeof(ti.track_size)))
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goto use_toc;
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/* if last recorded field is valid, return it. */
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if (ti.lra_v && ti_size >= (int)(offsetof(typeof(ti), last_rec_address)
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+ sizeof(ti.last_rec_address))) {
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*last_written = be32_to_cpu(ti.last_rec_address);
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} else {
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/* make it up instead */
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*last_written = be32_to_cpu(ti.track_start) +
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be32_to_cpu(ti.track_size);
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if (ti.free_blocks)
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*last_written -= (be32_to_cpu(ti.free_blocks) + 7);
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}
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return 0;
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/* this is where we end up if the drive either can't do a
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GPCMD_READ_DISC_INFO or GPCMD_READ_TRACK_RZONE_INFO or if
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it doesn't give enough information or fails. then we return
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the toc contents. */
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use_toc:
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toc.cdte_format = CDROM_MSF;
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toc.cdte_track = CDROM_LEADOUT;
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if ((ret = cdi->ops->audio_ioctl(cdi, CDROMREADTOCENTRY, &toc)))
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return ret;
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sanitize_format(&toc.cdte_addr, &toc.cdte_format, CDROM_LBA);
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*last_written = toc.cdte_addr.lba;
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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, long *next_writable)
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{
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