Messages in this thread | | | Date | Mon, 26 Mar 2012 09:30:28 -0400 | From | Christoph Hellwig <> | Subject | Re: [PATCH 03/25] vfs: split __dentry_open() |
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On Mon, Mar 26, 2012 at 03:22:09PM +0200, Miklos Szeredi wrote: > > I think the O_DIRECT checks should move out of the VFS. ??The direct I/O > > method isn't called from the VFS anywhere, but just from the > > generic_file_* routines in filemap.c, which suggest doing the O_DIRECT > > check in there as well. > > Returning the error at the earliest opportunity (from open as opposed > to read/write) makes sense. Given that some apps may actually rely on > the return value from open to verify O_DIRECT support, it doesn't seem > to be a good idea to move the checks to read/write.
I'm fine with keeping it in open, bu it should be in generic_file_open, not in the VFS (and yeah, generic_file_open is in open.c not filemap.c where it should be, sorry)
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