Messages in this thread | | | From | Miklos Szeredi <> | Subject | Re: [PATCH 06/25] vfs: add i_op->atomic_create() | Date | Tue, 13 Mar 2012 14:26:28 +0100 |
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Christoph Hellwig <hch@infradead.org> writes:
> On Tue, Mar 13, 2012 at 12:22:10PM +0100, Miklos Szeredi wrote: >> Good point. Yes, ->create is probably worth getting rid of. Mkdir, I'm >> not so sure, but I'll look at what filesystems are doing. > > Btw, is there any good reason to keep ->atomic_open and ->atomic_create > separate? It seems like the instances in general share code anyway.
->atomic_open is called before lookup, ->atomic_create after lookup.
How would we differentiate between the two if they were common? We could have a filesystem flag, but for example CEPH does weird things like using ->atomic_open for !O_CREAT and ->atomic_create for O_CREAT.
Thanks, Miklos
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