fs: consolidate dentry kill sequence
The tricky locking for disposing of a dentry is duplicated 3 times in the
dcache (dput, pruning a dentry from the LRU, and pruning its ancestors).
Consolidate them all into a single function dentry_kill.
Signed-off-by:
Nick Piggin <npiggin@kernel.dk>
parent
ec33679d
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