Hello.
Sergei Trofimovich wrote:
> Before:
> Marvell>> usb storage
> Device 0: Vendor: StoreJet Rev: Prod: Transcend
> Type: Hard Disk
> Capacity: 28759.9 MB = 28.0 GB (488397168 x 512)
> After:
> Marvell>> usb storage
> Device 0: Vendor: StoreJet Rev: Prod: Transcend
> Type: Hard Disk
> Capacity: 238475.1 MB = 232.8 GB (488397168 x 512)
> Signed-off-by: Sergei Trofimovich <sly...@gentoo.org>
> ---
> disk/part.c | 28 +++++++++++++++++++++++-----
> 1 files changed, 23 insertions(+), 5 deletions(-)
> diff --git a/disk/part.c b/disk/part.c
> index b6bae17..ee5be2b 100644
> --- a/disk/part.c
> +++ b/disk/part.c
> @@ -109,14 +109,31 @@ block_dev_desc_t *get_dev(char* ifname, int dev)
> /*
> * reports device info to the user
> */
> -void dev_print (block_dev_desc_t *dev_desc)
> -{
> +
> #ifdef CONFIG_LBA48
> - uint64_t lba512; /* number of blocks if 512bytes block size */
> +typedef uint64_t lba512_t;
> #else
> - lbaint_t lba512;
> +typedef lbaint_t lba512_t;
> #endif
>
> +/*
> + * Overflowless variant of (block_count * mul_by / div_by)
> + * when div_by > mul_by
> + */
> +static lba512_t lba512_muldiv (lba512_t block_count, lba512_t mul_by,
> lba512_t div_by)
> +{
> + lba512_t bc_quot, bc_rem;
> +
> + /* x * m / d == x / d * m + (x % d) * m / d */
> + bc_quot = block_count / div_by;
> + bc_rem = block_count - div_by * bc_quot;
> + return bc_quot * mul_by + (bc_rem * mul_by) / div_by;
Please use tabs to indent the code to match the style of that file.
WBR, Sergei
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