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authorNick Piggin <npiggin@kernel.dk>2011-01-07 07:49:38 +0100
committerNick Piggin <npiggin@kernel.dk>2011-01-07 07:50:23 +0100
commitb5c84bf6f6fa3a7dfdcb556023a62953574b60ee (patch)
tree7a2c299a180713e21d5cb653cb933121adf53c31 /fs/nfs/namespace.c
parentfs: Use rename lock and RCU for multi-step operations (diff)
downloadlinux-b5c84bf6f6fa3a7dfdcb556023a62953574b60ee.tar.xz
linux-b5c84bf6f6fa3a7dfdcb556023a62953574b60ee.zip
fs: dcache remove dcache_lock
dcache_lock no longer protects anything. remove it. Signed-off-by: Nick Piggin <npiggin@kernel.dk>
Diffstat (limited to 'fs/nfs/namespace.c')
-rw-r--r--fs/nfs/namespace.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/fs/nfs/namespace.c b/fs/nfs/namespace.c
index 78c0ebb0b07c..74aaf3963c10 100644
--- a/fs/nfs/namespace.c
+++ b/fs/nfs/namespace.c
@@ -60,7 +60,6 @@ rename_retry:
seq = read_seqbegin(&rename_lock);
rcu_read_lock();
- spin_lock(&dcache_lock);
while (!IS_ROOT(dentry) && dentry != droot) {
namelen = dentry->d_name.len;
buflen -= namelen + 1;
@@ -71,7 +70,6 @@ rename_retry:
*--end = '/';
dentry = dentry->d_parent;
}
- spin_unlock(&dcache_lock);
rcu_read_unlock();
if (read_seqretry(&rename_lock, seq))
goto rename_retry;
@@ -91,7 +89,6 @@ rename_retry:
memcpy(end, base, namelen);
return end;
Elong_unlock:
- spin_unlock(&dcache_lock);
rcu_read_unlock();
if (read_seqretry(&rename_lock, seq))
goto rename_retry;