Messages in this thread | | | Date | Thu, 27 Jul 2006 20:07:47 +0300 (EEST) | From | Pekka J Enberg <> | Subject | Re: Re: [RFC/PATCH] revoke/frevoke system calls V2 |
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Ar Iau, 2006-07-27 am 19:01 +0300, ysgrifennodd Pekka J Enberg: > > Yes revoke calls it too, but is that sufficient, or do we need ->revoke? > > Ouch. You are right. I need to stick that invalidate_inode_pages2 > > back in there. The do_fsync call takes care of writes only, obviously.
On Thu, 27 Jul 2006, Alan Cox wrote: > Actually that isn't true either - it takes care of *regular file* > writes. Devices will need a revoke hook and thats really probably only > right. If they don't have one just -EOPNOTSUPP, you can check it before > you begin any other processing so its easy to check.
Ah, you're right. So I'll make a generic_file_revoke and f_ops->revoke that can be used by filesystems to do sync and inode page invalidation. That hook should be sufficient for device drivers too?
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