Re: [PATCH 3/28] VFS: Move expiry into vfs

[Christoph Hellwig]

On Mon, Oct 25, 2004 at 10:40:00AM -0400, Mike Waychison wrote:
> This patch moves the recently added expiry functionality directly into the
> VFS layer.  Doing this gives us a couple advantages:
> 
>   - Allows for configurable timeouts using a single consolidated timer
>   - Keeps filesystems from having to each implement their own expiry logic
>   - Provides a generic interface that can be used for _any_ filesystem, as
>     desired by user applications and/or the system admninistrator.
> 
> This patch implements expiry by having the VFS recursively register work to
> do.  Checks are done for expiry every 1 second, so expiry is configurable to
> that granularity.

The expiry timer should only run as long as there are filesystems registered
for expiry.

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