cdrom: Remove unnecessary prototype for cdrom_get_disc_info
Move the function to the proper spot instead. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Jens Axboe <axboe@fb.com>
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@ -338,8 +338,6 @@ do { \
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/* Not-exported routines. */
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static int cdrom_get_disc_info(struct cdrom_device_info *cdi, disc_information *di);
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static void cdrom_sysctl_register(void);
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static LIST_HEAD(cdrom_list);
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@ -369,6 +367,42 @@ static int cdrom_flush_cache(struct cdrom_device_info *cdi)
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return cdi->ops->generic_packet(cdi, &cgc);
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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,
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disc_information *di)
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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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/* set up command and get the disc info */
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init_cdrom_command(&cgc, di, sizeof(*di), CGC_DATA_READ);
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cgc.cmd[0] = GPCMD_READ_DISC_INFO;
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cgc.cmd[8] = cgc.buflen = 2;
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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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/* not all drives have the same disc_info length, so requeue
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* packet with the length the drive tells us it can supply
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*/
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buflen = be16_to_cpu(di->disc_information_length) +
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sizeof(di->disc_information_length);
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if (buflen > sizeof(disc_information))
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buflen = sizeof(disc_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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/* This macro makes sure we don't have to check on cdrom_device_ops
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* existence in the run-time routines below. Change_capability is a
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* hack to have the capability flags defined const, while we can still
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@ -3360,39 +3394,6 @@ 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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/* 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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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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/* set up command and get the disc info */
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init_cdrom_command(&cgc, di, sizeof(*di), CGC_DATA_READ);
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cgc.cmd[0] = GPCMD_READ_DISC_INFO;
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cgc.cmd[8] = cgc.buflen = 2;
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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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/* not all drives have the same disc_info length, so requeue
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* packet with the length the drive tells us it can supply
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*/
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buflen = be16_to_cpu(di->disc_information_length) +
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sizeof(di->disc_information_length);
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if (buflen > sizeof(disc_information))
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buflen = sizeof(disc_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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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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