On Sat, Aug 23, 2014 at 10:41:09AM -0400, Jeff Layton wrote: > lease_get_mtime is called without the i_lock held, so there's no > guarantee about the stability of the list. Between the time when we > assign "flock" and then dereference it to check whether it's a lease > and for write, the lease could be freed. > > Ensure that that doesn't occur by taking the i_lock before trying > to check the lease. Looks good. Also looks way cleaner than before by being just a tad more verbose.. Reviewed-by: Christoph Hellwig <hch@xxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html