On Mon, 3 Jul 2023 18:51:22 +0000 Ajay Kaher <akaher@xxxxxxxxxx> wrote: > > > > We can also look to see if we can implement this with RCU. What exactly > > is this rwsem protecting? > > > > - struct eventfs_file holds the meta-data for file or dir. > https://github.com/intel-lab-lkp/linux/blob/dfe0dc15a73261ed83cdc728e43f4b3d4e315aae/include/linux/tracefs.h#L28 > - eventfs_rwsem is supposed to protect the 'link-list which is made of struct eventfs_file > ' and elements of struct eventfs_file. RCU is usually the perfect solution for protecting link lists though. I'll take a look at this when I get back to work. -- Steve
