fs: dcache remove dcache_lock

dcache_lock no longer protects anything. remove it.

Signed-off-by: Nick Piggin <npiggin@kernel.dk>

2 files changed, 0 insertions, 7 deletions

diff --git a/fs/ncpfs/dir.c b/fs/ncpfs/dir.c
index 102278ed38bd..de15c533311c 100644
--- a/fs/ncpfs/dir.c
+++ b/fs/ncpfs/dir.c
@@ -391,7 +391,6 @@ ncp_dget_fpos(struct dentry *dentry, struct dentry *parent, unsigned long fpos)
         }
 
         /* If a pointer is invalid, we search the dentry. */
-        spin_lock(&dcache_lock);
         spin_lock(&parent->d_lock);
         next = parent->d_subdirs.next;
         while (next != &parent->d_subdirs) {
@@ -402,13 +401,11 @@ ncp_dget_fpos(struct dentry *dentry, struct dentry *parent, unsigned long fpos)
                         else
                                 dent = NULL;
                         spin_unlock(&parent->d_lock);
-                        spin_unlock(&dcache_lock);
                         goto out;
                 }
                 next = next->next;
         }
         spin_unlock(&parent->d_lock);
-        spin_unlock(&dcache_lock);
         return NULL;
 
 out:
diff --git a/fs/ncpfs/ncplib_kernel.h b/fs/ncpfs/ncplib_kernel.h
index c4b718ff9a6b..1220df75ff22 100644
--- a/fs/ncpfs/ncplib_kernel.h
+++ b/fs/ncpfs/ncplib_kernel.h
@@ -193,7 +193,6 @@ ncp_renew_dentries(struct dentry *parent)
         struct list_head *next;
         struct dentry *dentry;
 
-        spin_lock(&dcache_lock);
         spin_lock(&parent->d_lock);
         next = parent->d_subdirs.next;
         while (next != &parent->d_subdirs) {
@@ -207,7 +206,6 @@ ncp_renew_dentries(struct dentry *parent)
                 next = next->next;
         }
         spin_unlock(&parent->d_lock);
-        spin_unlock(&dcache_lock);
 }
 
 static inline void
@@ -217,7 +215,6 @@ ncp_invalidate_dircache_entries(struct dentry *parent)
         struct list_head *next;
         struct dentry *dentry;
 
-        spin_lock(&dcache_lock);
         spin_lock(&parent->d_lock);
         next = parent->d_subdirs.next;
         while (next != &parent->d_subdirs) {
@@ -227,7 +224,6 @@ ncp_invalidate_dircache_entries(struct dentry *parent)
                 next = next->next;
         }
         spin_unlock(&parent->d_lock);
-        spin_unlock(&dcache_lock);
 }
 
 struct ncp_cache_head {