On Thu, Dec 10, 2015 at 07:16:11PM +0100, Willy Tarreau wrote: > > Is f_flags safe to write like this without holding a lock? > > Unfortunately I have no idea. I've seen places where it's written without > taking a lock such as in blkdev_open() and I don't think that this one is > called with a lock held.
In any ->open() we obviously have nobody else able to find that struct file, let alone modify it, so there the damn thing is essentially caller-private and no locking is needed. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
