[Btrfs-devel] Re: btrfs and Solid State Disks (SSD).

Andi Kleen andi at firstfloor.org
Wed Feb 13 07:27:26 PST 2008


Chris Mason <chris.mason at oracle.com> writes:
>
> Yes, SSDs are a big target of mine, and so the parts that are not currently 
> favorable for SSDs will be changed.  The big problem right now is that btrfs 
> writes to a fixed super block for every commit.  That will change to a 
> rotating set of fixed super blocks to lower wear and improve redundancy.

The firmwares of the SSDs tend to do that anyways (except on embedded systems
where the flash is directly connected without firmware, but that is probably
not the right target for btrfs). So doing it in the FS is likely redundant.

-Andi

>



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