Re: inode/dcache overhead of sysfs attribute files?

[Greg KH <greg@kroah.com>]

On Wed, Jul 02, 2003 at 07:48:11PM -0400, Jeff Garzik wrote:
> Has anybody looked into the inode and dcache overhead of all this stuff, 
> which I assume is pinned into memory a la ramfs?

Yes, there were some numbers in an old thread about 2000 scsi disks.

> I wonder if sysfs attributes could be accessed via the extended 
> attribute VFS API?  A file full of EA's can easily be considered a 
> key-value database, or attribute-value in this case :)  The EA names and 
> values need not pin a bunch of inodes and dcache entries, either.
> (though viro may scream at my mention of EAs :))

Don't know, that could be one way.  I think wli and shaggy were working
on something along these lines, but haven't heard from them in a long
time about it.

thanks,

greg k-h