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tmpfs: drop useless parent locking from tmpfs_dir_getdotdotdent

Description

tmpfs: drop useless parent locking from tmpfs_dir_getdotdotdent

The id field is immutable until the node gets freed.

(cherry picked from commit 7fbeaf33b8e1a5e69af42a77c78a6fcb3029f1ca)

Details

Provenance
mjgAuthored on May 29 2021, 3:38 PM
Parents
rGa138a50c75e4: vfs: use the sentinel trick in locked lookup path parsing
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