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authorNick Piggin <npiggin@kernel.dk>2011-01-07 07:49:31 +0100
committerNick Piggin <npiggin@kernel.dk>2011-01-07 07:50:20 +0100
commit2304450783dfde7b0b94ae234edd0dbffa865073 (patch)
treeb3435e65c24d69ccad9ef9492624f5b6081d86b8 /fs/autofs4/expire.c
parentfs: dcache scale hash (diff)
downloadlinux-2304450783dfde7b0b94ae234edd0dbffa865073.tar.xz
linux-2304450783dfde7b0b94ae234edd0dbffa865073.zip
fs: dcache scale lru
Add a new lock, dcache_lru_lock, to protect the dcache LRU list from concurrent modification. d_lru is also protected by d_lock, which allows LRU lists to be accessed without the lru lock, using RCU in future patches. Signed-off-by: Nick Piggin <npiggin@kernel.dk>
Diffstat (limited to 'fs/autofs4/expire.c')
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