[PATCH] ash: add support for history buffer

[Denys Vlasenko]

On Tuesday 12 July 2011 20:14, Laurent Bercot wrote:
> > BusyBox writes to .ash_history after each and every command, which we don't 
> > want on e.g. mobile devices with a flash-based storage device.
> > Using a buffer helps reducing the amount of erase/write cycles on the 
> > storage medium
> 
>  Wouldn't mobile devices with flash-based storage be better off using an
> adapted filesystem layer, such as UBI ? Patching every application to
> avoid writing to the filesystem does not sound like the right way to
> handle this.

Yes, I think the approach this patch takes is not sustainable.

History is a small file. If your flash fs and hardware can't cope
even with periodic updates of a small file, then how it copes with
other real-world cases?

BTW, what about solving it with
"ln -s /tmp/.ash_history-$USERNAME ~/.ash_history" ?


-- 
vda