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be9eee2e8b
Use dget_parent instead of opencoding it. This simplifies the code, but more importanly prepares for the more complicated locking for a parent dget in the dcache scale patch series. Note that the d_time assignment in smb_renew_times moves out of d_lock, but it's a single atomic 32-bit value, and that's what other sites setting it do already. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>