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, 4 insertions, 4 deletions

diff --git a/drivers/staging/rdma/ipath/ipath_fs.c b/drivers/staging/rdma/ipath/ipath_fs.c
index 796af686..476fcdf 100644
--- a/drivers/staging/rdma/ipath/ipath_fs.c
+++ b/drivers/staging/rdma/ipath/ipath_fs.c
@@ -82,14 +82,14 @@ static int create_file(const char *name, umode_t mode,
 {
 	int error;
 
-	mutex_lock(&d_inode(parent)->i_mutex);
+	inode_lock(d_inode(parent));
 	*dentry = lookup_one_len(name, parent, strlen(name));
 	if (!IS_ERR(*dentry))
 		error = ipathfs_mknod(d_inode(parent), *dentry,
 				      mode, fops, data);
 	else
 		error = PTR_ERR(*dentry);
-	mutex_unlock(&d_inode(parent)->i_mutex);
+	inode_unlock(d_inode(parent));
 
 	return error;
 }
@@ -295,7 +295,7 @@ static int remove_device_files(struct super_block *sb,
 	int ret;
 
 	root = dget(sb->s_root);
-	mutex_lock(&d_inode(root)->i_mutex);
+	inode_lock(d_inode(root));
 	snprintf(unit, sizeof unit, "%02d", dd->ipath_unit);
 	dir = lookup_one_len(unit, root, strlen(unit));
 
@@ -311,7 +311,7 @@ static int remove_device_files(struct super_block *sb,
 	ret = simple_rmdir(d_inode(root), dir);
 
 bail:
-	mutex_unlock(&d_inode(root)->i_mutex);
+	inode_unlock(d_inode(root));
 	dput(root);
 	return ret;
 }