Staging: hv: Get rid of the forward declaration of blkvsc_getgeo()
Get rid of the forward declaration of blkvsc_getgeo() by moving the code around. Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by: Abhishek Kane <v-abkane@microsoft.com> Signed-off-by: Hank Janssen <hjanssen@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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@ -275,6 +275,87 @@ static int blkvsc_open(struct block_device *bdev, fmode_t mode)
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return 0;
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}
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static int blkvsc_getgeo(struct block_device *bd, struct hd_geometry *hg)
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{
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sector_t total_sectors = get_capacity(bd->bd_disk);
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sector_t cylinder_times_heads = 0;
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sector_t temp = 0;
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int sectors_per_track = 0;
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int heads = 0;
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int cylinders = 0;
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int rem = 0;
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if (total_sectors > (65535 * 16 * 255))
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total_sectors = (65535 * 16 * 255);
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if (total_sectors >= (65535 * 16 * 63)) {
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sectors_per_track = 255;
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heads = 16;
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cylinder_times_heads = total_sectors;
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/* sector_div stores the quotient in cylinder_times_heads */
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rem = sector_div(cylinder_times_heads, sectors_per_track);
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} else {
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sectors_per_track = 17;
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cylinder_times_heads = total_sectors;
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/* sector_div stores the quotient in cylinder_times_heads */
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rem = sector_div(cylinder_times_heads, sectors_per_track);
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temp = cylinder_times_heads + 1023;
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/* sector_div stores the quotient in temp */
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rem = sector_div(temp, 1024);
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heads = temp;
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if (heads < 4)
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heads = 4;
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if (cylinder_times_heads >= (heads * 1024) || (heads > 16)) {
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sectors_per_track = 31;
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heads = 16;
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cylinder_times_heads = total_sectors;
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/*
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* sector_div stores the quotient in
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* cylinder_times_heads
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*/
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rem = sector_div(cylinder_times_heads,
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sectors_per_track);
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}
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if (cylinder_times_heads >= (heads * 1024)) {
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sectors_per_track = 63;
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heads = 16;
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cylinder_times_heads = total_sectors;
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/*
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* sector_div stores the quotient in
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* cylinder_times_heads
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*/
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rem = sector_div(cylinder_times_heads,
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sectors_per_track);
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}
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}
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temp = cylinder_times_heads;
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/* sector_div stores the quotient in temp */
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rem = sector_div(temp, heads);
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cylinders = temp;
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hg->heads = heads;
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hg->sectors = sectors_per_track;
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hg->cylinders = cylinders;
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DPRINT_INFO(BLKVSC_DRV, "CHS (%d, %d, %d)", cylinders, heads,
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sectors_per_track);
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return 0;
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}
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/* Static decl */
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static int blkvsc_probe(struct device *dev);
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static int blkvsc_remove(struct device *device);
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@ -282,7 +363,6 @@ static void blkvsc_shutdown(struct device *device);
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static int blkvsc_release(struct gendisk *disk, fmode_t mode);
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static int blkvsc_revalidate_disk(struct gendisk *gd);
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static int blkvsc_getgeo(struct block_device *bd, struct hd_geometry *hg);
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static int blkvsc_ioctl(struct block_device *bd, fmode_t mode,
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unsigned cmd, unsigned long argument);
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static void blkvsc_request(struct request_queue *queue);
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@ -1427,86 +1507,6 @@ static int blkvsc_revalidate_disk(struct gendisk *gd)
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return 0;
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}
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static int blkvsc_getgeo(struct block_device *bd, struct hd_geometry *hg)
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{
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sector_t total_sectors = get_capacity(bd->bd_disk);
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sector_t cylinder_times_heads = 0;
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sector_t temp = 0;
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int sectors_per_track = 0;
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int heads = 0;
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int cylinders = 0;
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int rem = 0;
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if (total_sectors > (65535 * 16 * 255))
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total_sectors = (65535 * 16 * 255);
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if (total_sectors >= (65535 * 16 * 63)) {
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sectors_per_track = 255;
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heads = 16;
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cylinder_times_heads = total_sectors;
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/* sector_div stores the quotient in cylinder_times_heads */
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rem = sector_div(cylinder_times_heads, sectors_per_track);
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} else {
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sectors_per_track = 17;
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cylinder_times_heads = total_sectors;
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/* sector_div stores the quotient in cylinder_times_heads */
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rem = sector_div(cylinder_times_heads, sectors_per_track);
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temp = cylinder_times_heads + 1023;
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/* sector_div stores the quotient in temp */
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rem = sector_div(temp, 1024);
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heads = temp;
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if (heads < 4)
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heads = 4;
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if (cylinder_times_heads >= (heads * 1024) || (heads > 16)) {
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sectors_per_track = 31;
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heads = 16;
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cylinder_times_heads = total_sectors;
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/*
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* sector_div stores the quotient in
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* cylinder_times_heads
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*/
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rem = sector_div(cylinder_times_heads,
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sectors_per_track);
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}
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if (cylinder_times_heads >= (heads * 1024)) {
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sectors_per_track = 63;
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heads = 16;
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cylinder_times_heads = total_sectors;
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/*
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* sector_div stores the quotient in
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* cylinder_times_heads
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*/
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rem = sector_div(cylinder_times_heads,
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sectors_per_track);
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}
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}
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temp = cylinder_times_heads;
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/* sector_div stores the quotient in temp */
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rem = sector_div(temp, heads);
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cylinders = temp;
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hg->heads = heads;
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hg->sectors = sectors_per_track;
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hg->cylinders = cylinders;
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DPRINT_INFO(BLKVSC_DRV, "CHS (%d, %d, %d)", cylinders, heads,
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sectors_per_track);
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return 0;
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}
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static int blkvsc_ioctl(struct block_device *bd, fmode_t mode,
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unsigned cmd, unsigned long argument)
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{
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