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| author | Nick Piggin <npiggin@kernel.dk> | 2011-01-07 07:49:45 +0100 |
|---|---|---|
| committer | Nick Piggin <npiggin@kernel.dk> | 2011-01-07 07:50:25 +0100 |
| commit | 89e6054836a7b1e7500cd70a14b5579e752c9250 (patch) | |
| tree | b74d2ecd1ac2a571d289e5525a0dc067ec1f35eb /arch/xtensa | |
| parent | fs: dcache reduce d_parent locking (diff) | |
| download | linux-89e6054836a7b1e7500cd70a14b5579e752c9250.tar.xz linux-89e6054836a7b1e7500cd70a14b5579e752c9250.zip | |
fs: dcache reduce prune_one_dentry locking
prune_one_dentry can avoid quite a bit of locking in the common case where
ancestors have an elevated refcount. Alternatively, we could have gone the
other way and made fewer trylocks in the case where d_count goes to zero, but
is probably less common.
Signed-off-by: Nick Piggin <npiggin@kernel.dk>
Diffstat (limited to 'arch/xtensa')
0 files changed, 0 insertions, 0 deletions