Re: [PATCH 20/20] honor r/w changes at do_remount() time

[Dave Hansen]

On Wed, 2006-06-28 at 06:19 +0100, Al Viro wrote:
>         * make the moments when i_nlink hits 0 bump the superblock writers
> count; drop it when such sucker gets freed on final iput. 

Could you elaborate on this one a bit?  

I assume that there are rules that once i_nlink hits 0, it never goes
back up again.  It seems that a whole bunch (if not all) of the
individual filesystems do things to it.  Is it really necessary to go
into all of those looking for the places that i_nlink hits 0?  Seems
like it would be an awful lot of patching.

-- Dave


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