[ros-kernel] Re: Filesystem cache

[David W. <we...@cw...>]

On Mon, Oct 01, 2001 at 10:47:33PM +0200, Hartmut Birr wrote:
> Vfatfs hasn't a real file cache like NT. When a file is opening, vfatfs 
> uses cached directorie data. But the file/dir info functions doesn't use 
> the cache. 
>
Are you sure? It seems like the file/dir info functions use the same 
functions are getting directory entries as the create file function.

> At the moment, vfatfs doesn't free memory from cached directorie 
> datas. When the file info functions uses cached directorie data, a simple 
> 'dir /s' (from cmd.exe) reserves ca. 25MB for a partition with 100000 
> files.
> 
This is certainly true.

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