Re: [PATCH 11/16] GFS: mount and tuning options

From: David Teigland
Date: Wed Oct 12 2005 - 11:14:07 EST

On Wed, Oct 12, 2005 at 10:43:24AM +0200, Jan Hudec wrote:
> They are normal directories and normal files, except they are not
> exposed in the mount-point, right? Then why don't you simply provide a
> directory handle for the master directory and use normal filesystem
> operations for the rest?
> That way you would have just one ioctl -- getmasterdir. The tool would
> fchdir to the handle returned and manipulate the files from there with
> normal syscalls. It would still see to the user-visible part throught
> the root directory too (since bind mounts are supported, this should not
> be a problem).

That sounds nice, we'll give it a try.

> Well, if you get rid of the access to files in the master directory by
> making that directory visible somehow, you will be left with a bunch of
> ioctls on files, which are different enough to warrant individual ioctl
> numbers for sake of efficiency.

Sure, that may well be saner when we get the ioctl command set further


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