Messages in this thread | | | Date | Mon, 3 Jul 2023 15:52:26 -0400 | From | Steven Rostedt <> | Subject | Re: [PATCH v3 03/10] eventfs: adding eventfs dir add functions |
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On Mon, 3 Jul 2023 18:51:22 +0000 Ajay Kaher <akaher@vmware.com> 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
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