fs: dcache scale hash
authorNick Piggin <npiggin@kernel.dk>
Fri, 7 Jan 2011 06:49:30 +0000 (17:49 +1100)
committerNick Piggin <npiggin@kernel.dk>
Fri, 7 Jan 2011 06:50:20 +0000 (17:50 +1100)
Add a new lock, dcache_hash_lock, to protect the dcache hash table from
concurrent modification. d_hash is also protected by d_lock.

Signed-off-by: Nick Piggin <npiggin@kernel.dk>

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