On Thu, Aug 03, 2017 at 05:25:02PM -0700, Dan Williams wrote: > commit bbb3be170ac2891526ad07b18af7db226879a8e7 upstream. > > Fix warnings of the form... > > WARNING: CPU: 10 PID: 4983 at fs/sysfs/dir.c:31 sysfs_warn_dup+0x62/0x80 > sysfs: cannot create duplicate filename '/class/dax/dax12.0' > Call Trace: > dump_stack+0x63/0x86 > __warn+0xcb/0xf0 > warn_slowpath_fmt+0x5a/0x80 > ? kernfs_path_from_node+0x4f/0x60 > sysfs_warn_dup+0x62/0x80 > sysfs_do_create_link_sd.isra.2+0x97/0xb0 > sysfs_create_link+0x25/0x40 > device_add+0x266/0x630 > devm_create_dax_dev+0x2cf/0x340 [dax] > dax_pmem_probe+0x1f5/0x26e [dax_pmem] > nvdimm_bus_probe+0x71/0x120 > > ...by reusing the namespace id for the device-dax instance name. > > Now that we have decided that there will never by more than one > device-dax instance per libnvdimm-namespace parent device [1], we can > directly reuse the namepace ids. There are some possible follow-on > cleanups, but those are saved for a later patch to simplify the -stable > backport. > > [1]: https://lists.01.org/pipermail/linux-nvdimm/2016-December/008266.html > > Fixes: 98a29c39dc68 ("libnvdimm, namespace: allow creation of multiple pmem...") > Cc: Jeff Moyer <jmoyer@xxxxxxxxxx> > Cc: <stable@xxxxxxxxxxxxxxx> > Reported-by: Dariusz Dokupil <dariusz.dokupil@xxxxxxxxx> > Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx> > --- > drivers/dax/dax.c | 24 ++++++++++++++++-------- > drivers/dax/dax.h | 2 +- > drivers/dax/pmem.c | 12 +++++++----- > 3 files changed, 24 insertions(+), 14 deletions(-) Thanks for the backport, now applied. greg k-h