wrappers for ->i_mutex access

parallel to mutex_{lock,unlock,trylock,is_locked,lock_nested},
inode_foo(inode) being mutex_foo(&inode->i_mutex).

Please, use those for access to ->i_mutex; over the coming cycle
->i_mutex will become rwsem, with ->lookup() done with it held
only shared.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 8 insertions, 8 deletions

diff --git a/drivers/oprofile/oprofilefs.c b/drivers/oprofile/oprofilefs.c
index dd92c5edf219..b48ac6300c79 100644
--- a/drivers/oprofile/oprofilefs.c
+++ b/drivers/oprofile/oprofilefs.c
@@ -138,22 +138,22 @@ static int __oprofilefs_create_file(struct dentry *root, char const *name,
         struct dentry *dentry;
         struct inode *inode;
 
-        mutex_lock(&d_inode(root)->i_mutex);
+        inode_lock(d_inode(root));
         dentry = d_alloc_name(root, name);
         if (!dentry) {
-                mutex_unlock(&d_inode(root)->i_mutex);
+                inode_unlock(d_inode(root));
                 return -ENOMEM;
         }
         inode = oprofilefs_get_inode(root->d_sb, S_IFREG | perm);
         if (!inode) {
                 dput(dentry);
-                mutex_unlock(&d_inode(root)->i_mutex);
+                inode_unlock(d_inode(root));
                 return -ENOMEM;
         }
         inode->i_fop = fops;
         inode->i_private = priv;
         d_add(dentry, inode);
-        mutex_unlock(&d_inode(root)->i_mutex);
+        inode_unlock(d_inode(root));
         return 0;
 }
 
@@ -215,22 +215,22 @@ struct dentry *oprofilefs_mkdir(struct dentry *parent, char const *name)
         struct dentry *dentry;
         struct inode *inode;
 
-        mutex_lock(&d_inode(parent)->i_mutex);
+        inode_lock(d_inode(parent));
         dentry = d_alloc_name(parent, name);
         if (!dentry) {
-                mutex_unlock(&d_inode(parent)->i_mutex);
+                inode_unlock(d_inode(parent));
                 return NULL;
         }
         inode = oprofilefs_get_inode(parent->d_sb, S_IFDIR | 0755);
         if (!inode) {
                 dput(dentry);
-                mutex_unlock(&d_inode(parent)->i_mutex);
+                inode_unlock(d_inode(parent));
                 return NULL;
         }
         inode->i_op = &simple_dir_inode_operations;
         inode->i_fop = &simple_dir_operations;
         d_add(dentry, inode);
-        mutex_unlock(&d_inode(parent)->i_mutex);
+        inode_unlock(d_inode(parent));
         return dentry;
 }