On Wed, 2004-03-24 at 08:49, Domenico Di Tullio wrote:
> Hello,
> 
> I would to know for the jfs file system the follows charateristics :

> - max total number of files;
This is limited by the 32-bit inode number, so just under 4G.

> -max total number of directories;
again just under 4G.  files + directories < 4G.

> -max number of files per directories;
just under 4G.  I think it might be 4G-3, but I'm not exactly sure.

> -max file size;
2^52, or 4 Petabytes.  blocksize = 4K, and jfs used 40 bits to store the
block number.  This also limits the file system size on 64-bit systems.

> -max number of simultaneously opened files.
jfs has no limit.  I'm not sure what limits this in the vfs.

-- 
David Kleikamp
IBM Linux Technology Center

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