On Wed, Jul 11, 2007 at 01:01:07PM +0300, Pekka J Enberg wrote: > On Wed, 11 Jul 2007, Al Viro wrote: > > BTW, read() or write() in progress might get rather unhappy if your > > live replacement of ->f_mapping races with them... > > For writes, we (1) never start any new operations after we've cleaned up > the file descriptor tables so (2) after we're done with do_fsync() we > never touch ->f_mapping again. Er, no. do_fsync() won't hit the sys_write() that is yet to enter ->write(). And you can't get rid of new callers _anyway_ (see previous mail). - To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
