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Re: [dm-devel] Review of dm-block-manager.c



On Mon, Aug 01 2011 at  5:00pm -0400,
Mikulas Patocka <mpatocka redhat com> wrote:

> Hi
> 
> This is review of dm-block-manager.c:
> 
> 
> char buffer_cache_name[32];
> sprintf(bm->buffer_cache_name, "dm_block_buffer-%d:%d",
> --- it may not fit in 32 bytes.

It can accomodate nearly 1 trillion DM devices:

dm_block_buffer-253:9999999999

The goal is to move to using a common slab cache per blocksize long
before this limit becomes a concern.

Mike


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