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| author | Nick Piggin <npiggin@kernel.dk> | 2011-01-07 07:49:32 +0100 |
|---|---|---|
| committer | Nick Piggin <npiggin@kernel.dk> | 2011-01-07 07:50:21 +0100 |
| commit | b7ab39f631f505edc2bbdb86620d5493f995c9da (patch) | |
| tree | 62be97ebc7fc69ceb601f23312d335ebb8038ee7 /fs/nfs/unlink.c | |
| parent | fs: dcache scale lru (diff) | |
| download | linux-b7ab39f631f505edc2bbdb86620d5493f995c9da.tar.xz linux-b7ab39f631f505edc2bbdb86620d5493f995c9da.zip | |
fs: dcache scale dentry refcount
Make d_count non-atomic and protect it with d_lock. This allows us to ensure a
0 refcount dentry remains 0 without dcache_lock. It is also fairly natural when
we start protecting many other dentry members with d_lock.
Signed-off-by: Nick Piggin <npiggin@kernel.dk>
Diffstat (limited to 'fs/nfs/unlink.c')
| -rw-r--r-- | fs/nfs/unlink.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/nfs/unlink.c b/fs/nfs/unlink.c index 7bdec8531400..8fe9eb47a97f 100644 --- a/fs/nfs/unlink.c +++ b/fs/nfs/unlink.c @@ -496,7 +496,7 @@ nfs_sillyrename(struct inode *dir, struct dentry *dentry) dfprintk(VFS, "NFS: silly-rename(%s/%s, ct=%d)\n", dentry->d_parent->d_name.name, dentry->d_name.name, - atomic_read(&dentry->d_count)); + dentry->d_count); nfs_inc_stats(dir, NFSIOS_SILLYRENAME); /* |