On Wed, Jun 29, 2011 at 06:05:32PM +0200, Andrea Righi wrote: [..] > > > Have you tried to do some tests? (i.e. create multiple cgroups with very > > > low I/O limit doing parallel O_DIRECT WRITEs, and try to run at the same > > > time "ls" or other simple commands from the root cgroup or unlimited > > > cgroup). > > > > I did. On ext4, I created a cgroup with limit 1byte per second and > > started a direct write and did "ls", "sync" and some directory traversal > > operations in same diretory and it seems to work. > > Confirm. Everything seems to work fine also on my side. > > Tested-by: Andrea Righi <andrea@xxxxxxxxxxxxxxx> > > FYI, I've used the following script to test it if you're interested. > I tested both with O_DIRECT=1 and O_DIRECT=0. Thanks for testing these patches. This script looks good. Will save it. Thanks Vivek -- 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