Re: [PATCH 6/8] nowait aio: ext4

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On 04/04/2017 03:41 AM, Christoph Hellwig wrote:
> On Tue, Apr 04, 2017 at 09:58:53AM +0200, Jan Kara wrote:
>> FS_NOWAIT looks a bit too generic given these are filesystem feature flags.
>> Can we call it FS_NOWAIT_IO?
> 
> It's way to generic as it's a feature of the particular file_operations
> instance.  But once we switch to using RWF_* we can just the existing
> per-op feature checks for thos and the per-fs flag should just go away.
> 

I am working on incorporating RWF_* flags. However, I am not sure how
RWF_* flags would get rid of FS_NOWAIT/FS_NOWAIT_IO. Since most of
"blocking" information is with the filesystem, it is a per-filesystem
flag to block out (EOPNOTSUPP) the filesystems which do not support it.

-- 
Goldwyn



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