Re: [PATCH 01/11] sysfs: Support for preventing unmounts.
From: Dave Hansen
Date: Thu Jun 19 2008 - 12:32:34 EST
On Wed, 2008-06-18 at 13:12 -0700, Eric W. Biederman wrote:
>
> - The data in sysfs fundamentally changes behind the back of the
> VFS and we need to keep the VFS in sync. Essentially this is the
> distributed filesystem problem.
>
> - In particular for sysfs_rename and sysfs_move_dir we need to support
> finding
> the dcache entries and calling d_move. So that the dcache does not
> get into an inconsistent state. Timeouts and invalidates like NFS
> uses are to be avoided if at all possible.
Much clearer now, thanks!
Can we get this description into the changelog, pretty please?
-- Dave
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