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SubjectRe: [PATCH 1/8] vfs: new d_allocate method
On Wed, Jun 22, 2016 at 04:35:03PM +0200, Miklos Szeredi wrote:
> Allow filesystem to initialize dentry (->d_fsdata to be explicit) at
> allocation time.

Something similar had been discussed a while ago (I don't remember whether
you'd been on Cc, though). E.g. ceph and lustre would benefit from having
such method (proposed name was ->d_init(), seeing that it's not always
just an allocation). The subtle part is barriers and I would really like
to see a proof that you don't need any.

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