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, 5 insertions, 5 deletions

diff --git a/security/inode.c b/security/inode.c
index 16622aef9bde..28414b0207ce 100644
--- a/security/inode.c
+++ b/security/inode.c
@@ -99,7 +99,7 @@ struct dentry *securityfs_create_file(const char *name, umode_t mode,
 
         dir = d_inode(parent);
 
-        mutex_lock(&dir->i_mutex);
+        inode_lock(dir);
         dentry = lookup_one_len(name, parent, strlen(name));
         if (IS_ERR(dentry))
                 goto out;
@@ -129,14 +129,14 @@ struct dentry *securityfs_create_file(const char *name, umode_t mode,
         }
         d_instantiate(dentry, inode);
         dget(dentry);
-        mutex_unlock(&dir->i_mutex);
+        inode_unlock(dir);
         return dentry;
 
 out1:
         dput(dentry);
         dentry = ERR_PTR(error);
 out:
-        mutex_unlock(&dir->i_mutex);
+        inode_unlock(dir);
         simple_release_fs(&mount, &mount_count);
         return dentry;
 }
@@ -195,7 +195,7 @@ void securityfs_remove(struct dentry *dentry)
         if (!parent || d_really_is_negative(parent))
                 return;
 
-        mutex_lock(&d_inode(parent)->i_mutex);
+        inode_lock(d_inode(parent));
         if (simple_positive(dentry)) {
                 if (d_is_dir(dentry))
                         simple_rmdir(d_inode(parent), dentry);
@@ -203,7 +203,7 @@ void securityfs_remove(struct dentry *dentry)
                         simple_unlink(d_inode(parent), dentry);
                 dput(dentry);
         }
-        mutex_unlock(&d_inode(parent)->i_mutex);
+        inode_unlock(d_inode(parent));
         simple_release_fs(&mount, &mount_count);
 }
 EXPORT_SYMBOL_GPL(securityfs_remove);