On Mon, Mar 16, 2015 at 10:44:52AM +1100, NeilBrown wrote: > > > Kernfs supports two styles of read: direct_read and seqfile_read. > > The latter supports 'poll' correctly thanks to the update of > '->event' in kernfs_seq_show. > The former does not as '->event' is never updated on a read. > > So add an appropriate update in kernfs_file_direct_read(). > > This was noticed because some 'md' sysfs attributes were > recently changed to use direct reads. > > Reported-by: Prakash Punnoor <prakash@xxxxxxxxxx> > Reported-by: Torsten Kaiser <just.for.lkml@xxxxxxxxxxxxxx> > Fixes: 750f199ee8b578062341e6ddfe36c59ac8ff2dcb This fixes tag is kinda weird without further explanation. > Signed-off-by: NeilBrown <neilb@xxxxxxx> Acked-by: Tejun Heo <tj@xxxxxxxxxx> Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
