[Yaffs] [Yaffs-archive] Re: YAFFS

Charles Manning manningc2@actrix.gen.nz
Tue, 30 Mar 2004 12:38:06 +1200


On Monday 29 March 2004 20:11, Domenico Di Tullio wrote:
> Dear,
> above all thanks for assistance..
> I would know, also, the following feature:
> -File name max length
255 characters/127 unicode
> -Path max length
That is a fucntion of Linux (or the OS). Symbolic links are limited to 159 
characters.


-- CHarles

>
> thanks
> bye
> ----- Original Message -----
> From: <manningc2@actrix.gen.nz>
> To: <domenico.di-tullio@st.com>; <yaffs@toby-churchill.org>
> Sent: Saturday, March 27, 2004 9:50 AM
> Subject: Re: YAFFS
>
> On Saturday 27 March 2004 01:47, Domenico Di Tullio wrote:
> > I would to know, if possible, for the YAFFS file system the follows
> > charateristics :
> > - max total number of files;
> > -max total number of directories;
>
> There may be up to 2^18 objects (files, directories or whatever).  Limited
> by
> the objectId bitfield in the Tags structure.
>
> > -max number of files per directories;
>
> No limit.
>
> > -max file size;
>
> 2^20 x512-byte pages = 512MB. The biggest file I've ever seen was approx
> 480MB on a 500MB partition. Limited by the chunkId bitfield in the Tags
> structure.
>
> > -max number of simultaneously opened files.
>
> No limit for Linux (except those imposed by Linux).
> For WinCE and YAFFS direct (the RTOS version) the open files are tracked in
> a
> table. The default size is 100, but this is just a compile-time constant
> that
> can be modified.
>
> Hope that helps.
>
> -- CHarles
>
>
>
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