Re: [PATCH] vfs: renumber FMODE_NONOTIFY and add to uniqueness check

From: David Miller
Date: Fri Nov 21 2014 - 17:24:04 EST

From: David Drysdale <drysdale@xxxxxxxxxx>
Date: Fri, 21 Nov 2014 09:41:22 +0000

> Although FMODE_NONOTIFY is only used internally in the kernel it is in
> the same numbering space as the other O_* flags, as indicated by the
> comment at the top of include/uapi/asm-generic/fcntl.h (and its use
> in fs/notify/fanotify/fanotify_user.c). However, its current value
> clashes with the value of O_PATH on sparc, so renumber it to avoid
> the clash.
> All of this has happened before (12ed2e36c98aec6c4155, "fanotify:
> FMODE_NONOTIFY and __O_SYNC in sparc conflict"), and all of this
> will happen again -- so update the uniqueness check in fcntl_init()
> to include __FMODE_NONOTIFY.
> Signed-off-by: David Drysdale <drysdale@xxxxxxxxxx>

Acked-by: David S. Miller <davem@xxxxxxxxxxxxx>
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