Rough notes from Kernel Consolidation meeting

Loïc Minier loic.minier at
Thu Sep 23 16:38:42 BST 2010

On Thu, Sep 23, 2010, Arnd Bergmann wrote:
> The current state is mostly that people put unaligned partitions on their
> SD card, stick an ext3 fs on a partition and watch performance suck
> while destroying their cards.

 Agreed  :-)

> There has been a study by Thomas Gleixner on what CF cards do, which
> basically showed that they all use the same broken algorithm. It may
> be interesting to do the same for SD cards. We could also ask the
> Samsung people in Linaro to find out more technical details than
> are currently known publically about Samsung SD cards.

 Ok; that sounds good, will check out with the TSC what exact SD work
 they are expecting and then we can see whether there's an FS part to
 it, but it sounds like useful research in any case

Loïc Minier

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