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