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Pull tracefs updates from Steven Rostedt: - Simplify error handling with guards() Use guards() to simplify the handling of releasing locks in exit paths. - Use dentry name snapshots instead of allocation Instead of allocating a temp buffer to store the dentry name to use in mkdir() and rmdir() use take_dentry_name_snapshot(). - Fix default permissions not being applied at boot The default permissions for tracefs was 0700 to only allow root having access. But after a change to fix other mount options the update to permissions ignored the defined default and used the system default of 0755. This is a regression and is fixed. * tag 'tracefs-v7.1-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: tracefs: Removed unused 'ret' variable in eventfs_iterate() tracefs: Fix default permissions not being applied on initial mount tracefs: Use dentry name snapshots instead of heap allocation eventfs: Simplify code using guard()s