1 files changed, 23 insertions, 16 deletions

diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index 34bf71b56542..59782981b225 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -237,10 +237,17 @@ struct inode *v9fs_alloc_inode(struct super_block *sb)
  *
  */
 
-void v9fs_destroy_inode(struct inode *inode)
+static void v9fs_i_callback(struct rcu_head *head)
 {
+        struct inode *inode = container_of(head, struct inode, i_rcu);
+        INIT_LIST_HEAD(&inode->i_dentry);
         kmem_cache_free(vcookie_cache, v9fs_inode2cookie(inode));
 }
+
+void v9fs_destroy_inode(struct inode *inode)
+{
+        call_rcu(&inode->i_rcu, v9fs_i_callback);
+}
 #endif
 
 /**
@@ -270,11 +277,11 @@ static struct dentry *v9fs_dentry_from_dir_inode(struct inode *inode)
 {
         struct dentry *dentry;
 
-        spin_lock(&dcache_lock);
+        spin_lock(&inode->i_lock);
         /* Directory should have only one entry. */
         BUG_ON(S_ISDIR(inode->i_mode) && !list_is_singular(&inode->i_dentry));
         dentry = list_entry(inode->i_dentry.next, struct dentry, d_alias);
-        spin_unlock(&dcache_lock);
+        spin_unlock(&inode->i_lock);
         return dentry;
 }
 
@@ -628,9 +635,9 @@ v9fs_create(struct v9fs_session_info *v9ses, struct inode *dir,
         }
 
         if (v9ses->cache)
-                dentry->d_op = &v9fs_cached_dentry_operations;
+                d_set_d_op(dentry, &v9fs_cached_dentry_operations);
         else
-                dentry->d_op = &v9fs_dentry_operations;
+                d_set_d_op(dentry, &v9fs_dentry_operations);
 
         d_instantiate(dentry, inode);
         err = v9fs_fid_add(dentry, fid);
@@ -742,7 +749,7 @@ v9fs_vfs_create_dotl(struct inode *dir, struct dentry *dentry, int omode,
                                 err);
                         goto error;
                 }
-                dentry->d_op = &v9fs_cached_dentry_operations;
+                d_set_d_op(dentry, &v9fs_cached_dentry_operations);
                 d_instantiate(dentry, inode);
                 err = v9fs_fid_add(dentry, fid);
                 if (err < 0)
@@ -760,7 +767,7 @@ v9fs_vfs_create_dotl(struct inode *dir, struct dentry *dentry, int omode,
                         err = PTR_ERR(inode);
                         goto error;
                 }
-                dentry->d_op = &v9fs_dentry_operations;
+                d_set_d_op(dentry, &v9fs_dentry_operations);
                 d_instantiate(dentry, inode);
         }
         /* Now set the ACL based on the default value */
@@ -949,7 +956,7 @@ static int v9fs_vfs_mkdir_dotl(struct inode *dir,
                                 err);
                         goto error;
                 }
-                dentry->d_op = &v9fs_cached_dentry_operations;
+                d_set_d_op(dentry, &v9fs_cached_dentry_operations);
                 d_instantiate(dentry, inode);
                 err = v9fs_fid_add(dentry, fid);
                 if (err < 0)
@@ -966,7 +973,7 @@ static int v9fs_vfs_mkdir_dotl(struct inode *dir,
                         err = PTR_ERR(inode);
                         goto error;
                 }
-                dentry->d_op = &v9fs_dentry_operations;
+                d_set_d_op(dentry, &v9fs_dentry_operations);
                 d_instantiate(dentry, inode);
         }
         /* Now set the ACL based on the default value */
@@ -1034,9 +1041,9 @@ static struct dentry *v9fs_vfs_lookup(struct inode *dir, struct dentry *dentry,
 
 inst_out:
         if (v9ses->cache)
-                dentry->d_op = &v9fs_cached_dentry_operations;
+                d_set_d_op(dentry, &v9fs_cached_dentry_operations);
         else
-                dentry->d_op = &v9fs_dentry_operations;
+                d_set_d_op(dentry, &v9fs_dentry_operations);
 
         d_add(dentry, inode);
         return NULL;
@@ -1702,7 +1709,7 @@ v9fs_vfs_symlink_dotl(struct inode *dir, struct dentry *dentry,
                                         err);
                         goto error;
                 }
-                dentry->d_op = &v9fs_cached_dentry_operations;
+                d_set_d_op(dentry, &v9fs_cached_dentry_operations);
                 d_instantiate(dentry, inode);
                 err = v9fs_fid_add(dentry, fid);
                 if (err < 0)
@@ -1715,7 +1722,7 @@ v9fs_vfs_symlink_dotl(struct inode *dir, struct dentry *dentry,
                         err = PTR_ERR(inode);
                         goto error;
                 }
-                dentry->d_op = &v9fs_dentry_operations;
+                d_set_d_op(dentry, &v9fs_dentry_operations);
                 d_instantiate(dentry, inode);
         }
 
@@ -1849,7 +1856,7 @@ v9fs_vfs_link_dotl(struct dentry *old_dentry, struct inode *dir,
                 ihold(old_dentry->d_inode);
         }
 
-        dentry->d_op = old_dentry->d_op;
+        d_set_d_op(dentry, old_dentry->d_op);
         d_instantiate(dentry, old_dentry->d_inode);
 
         return err;
@@ -1973,7 +1980,7 @@ v9fs_vfs_mknod_dotl(struct inode *dir, struct dentry *dentry, int omode,
                                 err);
                         goto error;
                 }
-                dentry->d_op = &v9fs_cached_dentry_operations;
+                d_set_d_op(dentry, &v9fs_cached_dentry_operations);
                 d_instantiate(dentry, inode);
                 err = v9fs_fid_add(dentry, fid);
                 if (err < 0)
@@ -1989,7 +1996,7 @@ v9fs_vfs_mknod_dotl(struct inode *dir, struct dentry *dentry, int omode,
                         err = PTR_ERR(inode);
                         goto error;
                 }
-                dentry->d_op = &v9fs_dentry_operations;
+                d_set_d_op(dentry, &v9fs_dentry_operations);
                 d_instantiate(dentry, inode);
         }
         /* Now set the ACL based on the default value */