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ff9630d1a8
struct pathname is originally from Solaris VFS, and it has been used in ZoL to merely call VOP from Linux VFS interface without API change, therefore pathname::pn_path* are unused and unneeded. Technically, struct pathname is a wrapper for C string in ZoL. Saves stack a bit on lookup and unlink. (#if0'd members instead of removing since comments refer to them.) Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Richard Elling <Richard.Elling@RichardElling.com> Reviewed-by: George Melikov <mail@gmelikov.ru> Signed-off-by: Tomohiro Kusumi <kusumi.tomohiro@gmail.com> Closes #9025