Re: [dm-devel] [PATCH v3 09/26] block: Remove bi_idx references

[Vivek Goyal]

On Mon, Sep 24, 2012 at 03:34:49PM -0700, Kent Overstreet wrote:

[..]
> diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
> index 95e52879..24e5cef 100644
> --- a/drivers/block/floppy.c
> +++ b/drivers/block/floppy.c
> @@ -3778,7 +3778,6 @@ static int __floppy_read_block_0(struct block_device *bdev)
>  	bio_vec.bv_len = size;
>  	bio_vec.bv_offset = 0;
>  	bio.bi_vcnt = 1;
> -	bio.bi_idx = 0;

So leaving bio.bi_idx uninitialized is safer than setting it to zero? Can
you explain a bit more that why this change is required? 

Thanks
Vivek
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