Re: [PATCH 0/2] tmpfs: Improve tmpfs scalability

From: Tim Chen
Date: Fri May 21 2010 - 12:09:46 EST


On Thu, 2010-05-20 at 18:55 -0700, Hugh Dickins wrote:

>
> Interesting, thank you - I'll take a look, but not this week.
>
> I do hope you're using Aim7 just as an example: you know that mounting
> tmpfs with nr_blocks=0,nr_inodes=0 skips those shmem_sb_info updates
> altogether? Mounting in such a way should be fine for getting better
> numbers out of Aim7; but yes, there are reallife uses for tmpfs which
> are safer with the nr_blocks,nr_inodes limits.
>

Yes, Aim7 was provided as an example to illustrate the locking
bottleneck when blocks limit are imposed.

Tim


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