Hello, On Sun, Jun 18, 2017 at 03:43:36PM +0200, Christoph Hellwig wrote: > On Sun, Jun 18, 2017 at 06:20:20AM -0400, Tejun Heo wrote: > > If you "cd /sys/kernel/debug/tracing; cd -" before doing the find, > > does it succeed the first time? It could be that the on-demand > > mounting of tracefs is giving incoherent results across the mounting > > and confusing find. > > Yes, that works fine: > > root@testvm:~# cd /sys/kernel/debug/tracing; cd - > /root > root@testvm:~# find /sys -name uuid > /sys/devices/virtual/nvme-fabrics/ctl/nvme3/nvme3n1/uuid > /sys/devices/virtual/nvme-fabrics/ctl/nvme2/nvme2n1/uuid So, looks like this is the debugfs automount mechanism changing nlinks across automounts and confusing find in the process. Greg? Thanks. -- tejun
