Re: [PATCH] BTRFS: Transpose parent_objectid and parent_gen instruct btrfs_fid

From: Chris Mason
Date: Wed Mar 18 2009 - 13:01:21 EST


On Wed, 2009-03-18 at 16:16 +0000, David Howells wrote:
> Transpose parent_objectid and parent_gen in struct btrfs_fid so that gen and
> parent_gen (both u32) are adjacent, thus packing nicely between the u64
> members.
>
> This would seem to be reasonable as the parent generation number is always
> used if the parent objectid is.
>

Won't this confuse any handles the clients already have if the server
reboots with the new handle format?

-chris


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