From 273083bef5a1204b6ce67eb8e23682a2d3cd2dd9 Mon Sep 17 00:00:00 2001 From: "K. Y. Srinivasan" Date: Wed, 6 Apr 2011 14:35:02 -0700 Subject: [PATCH] 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 Signed-off-by: Haiyang Zhang Signed-off-by: Abhishek Kane Signed-off-by: Hank Janssen Signed-off-by: Greg Kroah-Hartman --- drivers/staging/hv/blkvsc_drv.c | 162 ++++++++++++++++---------------- 1 file changed, 81 insertions(+), 81 deletions(-) diff --git a/drivers/staging/hv/blkvsc_drv.c b/drivers/staging/hv/blkvsc_drv.c index 797bcdbd2a51..c45e475e0389 100644 --- a/drivers/staging/hv/blkvsc_drv.c +++ b/drivers/staging/hv/blkvsc_drv.c @@ -275,6 +275,87 @@ static int blkvsc_open(struct block_device *bdev, fmode_t mode) return 0; } + +static int blkvsc_getgeo(struct block_device *bd, struct hd_geometry *hg) +{ + sector_t total_sectors = get_capacity(bd->bd_disk); + sector_t cylinder_times_heads = 0; + sector_t temp = 0; + + int sectors_per_track = 0; + int heads = 0; + int cylinders = 0; + int rem = 0; + + if (total_sectors > (65535 * 16 * 255)) + total_sectors = (65535 * 16 * 255); + + if (total_sectors >= (65535 * 16 * 63)) { + sectors_per_track = 255; + heads = 16; + + cylinder_times_heads = total_sectors; + /* sector_div stores the quotient in cylinder_times_heads */ + rem = sector_div(cylinder_times_heads, sectors_per_track); + } else { + sectors_per_track = 17; + + cylinder_times_heads = total_sectors; + /* sector_div stores the quotient in cylinder_times_heads */ + rem = sector_div(cylinder_times_heads, sectors_per_track); + + temp = cylinder_times_heads + 1023; + /* sector_div stores the quotient in temp */ + rem = sector_div(temp, 1024); + + heads = temp; + + if (heads < 4) + heads = 4; + + + if (cylinder_times_heads >= (heads * 1024) || (heads > 16)) { + sectors_per_track = 31; + heads = 16; + + cylinder_times_heads = total_sectors; + /* + * sector_div stores the quotient in + * cylinder_times_heads + */ + rem = sector_div(cylinder_times_heads, + sectors_per_track); + } + + if (cylinder_times_heads >= (heads * 1024)) { + sectors_per_track = 63; + heads = 16; + + cylinder_times_heads = total_sectors; + /* + * sector_div stores the quotient in + * cylinder_times_heads + */ + rem = sector_div(cylinder_times_heads, + sectors_per_track); + } + } + + temp = cylinder_times_heads; + /* sector_div stores the quotient in temp */ + rem = sector_div(temp, heads); + cylinders = temp; + + hg->heads = heads; + hg->sectors = sectors_per_track; + hg->cylinders = cylinders; + + DPRINT_INFO(BLKVSC_DRV, "CHS (%d, %d, %d)", cylinders, heads, + sectors_per_track); + + return 0; +} + /* Static decl */ static int blkvsc_probe(struct device *dev); static int blkvsc_remove(struct device *device); @@ -282,7 +363,6 @@ static void blkvsc_shutdown(struct device *device); static int blkvsc_release(struct gendisk *disk, fmode_t mode); static int blkvsc_revalidate_disk(struct gendisk *gd); -static int blkvsc_getgeo(struct block_device *bd, struct hd_geometry *hg); static int blkvsc_ioctl(struct block_device *bd, fmode_t mode, unsigned cmd, unsigned long argument); static void blkvsc_request(struct request_queue *queue); @@ -1427,86 +1507,6 @@ static int blkvsc_revalidate_disk(struct gendisk *gd) return 0; } -static int blkvsc_getgeo(struct block_device *bd, struct hd_geometry *hg) -{ - sector_t total_sectors = get_capacity(bd->bd_disk); - sector_t cylinder_times_heads = 0; - sector_t temp = 0; - - int sectors_per_track = 0; - int heads = 0; - int cylinders = 0; - int rem = 0; - - if (total_sectors > (65535 * 16 * 255)) - total_sectors = (65535 * 16 * 255); - - if (total_sectors >= (65535 * 16 * 63)) { - sectors_per_track = 255; - heads = 16; - - cylinder_times_heads = total_sectors; - /* sector_div stores the quotient in cylinder_times_heads */ - rem = sector_div(cylinder_times_heads, sectors_per_track); - } else { - sectors_per_track = 17; - - cylinder_times_heads = total_sectors; - /* sector_div stores the quotient in cylinder_times_heads */ - rem = sector_div(cylinder_times_heads, sectors_per_track); - - temp = cylinder_times_heads + 1023; - /* sector_div stores the quotient in temp */ - rem = sector_div(temp, 1024); - - heads = temp; - - if (heads < 4) - heads = 4; - - - if (cylinder_times_heads >= (heads * 1024) || (heads > 16)) { - sectors_per_track = 31; - heads = 16; - - cylinder_times_heads = total_sectors; - /* - * sector_div stores the quotient in - * cylinder_times_heads - */ - rem = sector_div(cylinder_times_heads, - sectors_per_track); - } - - if (cylinder_times_heads >= (heads * 1024)) { - sectors_per_track = 63; - heads = 16; - - cylinder_times_heads = total_sectors; - /* - * sector_div stores the quotient in - * cylinder_times_heads - */ - rem = sector_div(cylinder_times_heads, - sectors_per_track); - } - } - - temp = cylinder_times_heads; - /* sector_div stores the quotient in temp */ - rem = sector_div(temp, heads); - cylinders = temp; - - hg->heads = heads; - hg->sectors = sectors_per_track; - hg->cylinders = cylinders; - - DPRINT_INFO(BLKVSC_DRV, "CHS (%d, %d, %d)", cylinders, heads, - sectors_per_track); - - return 0; -} - static int blkvsc_ioctl(struct block_device *bd, fmode_t mode, unsigned cmd, unsigned long argument) { -- 2.20.1