Re: File manager tree.

From: "Alexander V. Lukyanov" <lav yars free net>
To: gnome-list gnome org
Cc: gnome-hackers nuclecu unam mx, mc nuclecu unam mx, msf redhat com, federico nuclecu unam mx, wroberts1 cx983858-b orng1 occa home com
Subject: Re: File manager tree.
Date: Sat, 29 May 1999 23:54:22 +0400

On Fri, May 28, 1999 at 12:36:13PM -0500, Miguel de Icaza wrote:
>        2. Slow file systems are all over the place in Unix.  They
>           appear on the most unusual places: special directories might
>           refer to remote servers (afs, dfs), arbitrary locations can
>           be slow (NFS /users), or special vfs places (/#smb/ for
>           server listings).

Maybe it is possible to interrupt directory scanning on timeout?
Then it would be nice to spend e.g. at most 1 second on each directory 
to know if it has subdirectories, and assume it has on timeout.

Don't know if it is possible for VFS, but for real (i.e. nfs/smbfs
etc. mounted) directories it seems to be.

BTW, on certain filesystems it is possible to know number of subdirectories
by looking at number of hard links of the directory. It can be a nice
optimization.

   Alexander.

References:
- File manager tree.
  - From: Miguel de Icaza

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