diff options
author | Nick Piggin <npiggin@kernel.dk> | 2011-01-07 17:49:32 +1100 |
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committer | Nick Piggin <npiggin@kernel.dk> | 2011-01-07 17:50:21 +1100 |
commit | b7ab39f631f505edc2bbdb86620d5493f995c9da (patch) | |
tree | 62be97ebc7fc69ceb601f23312d335ebb8038ee7 /fs/ceph/mds_client.c | |
parent | 2304450783dfde7b0b94ae234edd0dbffa865073 (diff) |
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/ceph/mds_client.c')
-rw-r--r-- | fs/ceph/mds_client.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index 38800eaa81d0..a50fca1e03be 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -1486,7 +1486,7 @@ retry: *base = ceph_ino(temp->d_inode); *plen = len; dout("build_path on %p %d built %llx '%.*s'\n", - dentry, atomic_read(&dentry->d_count), *base, len, path); + dentry, dentry->d_count, *base, len, path); return path; } |