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>

3 files changed, 12 insertions, 12 deletions

diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c
index 5038fd578e65..2936a0044c04 100644
--- a/arch/powerpc/platforms/cell/spufs/file.c
+++ b/arch/powerpc/platforms/cell/spufs/file.c
@@ -1799,9 +1799,9 @@ static int spufs_mfc_fsync(struct file *file, loff_t start, loff_t end, int data
 	struct inode *inode = file_inode(file);
 	int err = filemap_write_and_wait_range(inode->i_mapping, start, end);
 	if (!err) {
-		mutex_lock(&inode->i_mutex);
+		inode_lock(inode);
 		err = spufs_mfc_flush(file, NULL);
-		mutex_unlock(&inode->i_mutex);
+		inode_unlock(inode);
 	}
 	return err;
 }
diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c
index ad4840f86be1..dfa863876778 100644
--- a/arch/powerpc/platforms/cell/spufs/inode.c
+++ b/arch/powerpc/platforms/cell/spufs/inode.c
@@ -163,7 +163,7 @@ static void spufs_prune_dir(struct dentry *dir)
 {
 	struct dentry *dentry, *tmp;
 
-	mutex_lock(&d_inode(dir)->i_mutex);
+	inode_lock(d_inode(dir));
 	list_for_each_entry_safe(dentry, tmp, &dir->d_subdirs, d_child) {
 		spin_lock(&dentry->d_lock);
 		if (simple_positive(dentry)) {
@@ -180,7 +180,7 @@ static void spufs_prune_dir(struct dentry *dir)
 		}
 	}
 	shrink_dcache_parent(dir);
-	mutex_unlock(&d_inode(dir)->i_mutex);
+	inode_unlock(d_inode(dir));
 }
 
 /* Caller must hold parent->i_mutex */
@@ -225,9 +225,9 @@ static int spufs_dir_close(struct inode *inode, struct file *file)
 	parent = d_inode(dir->d_parent);
 	ctx = SPUFS_I(d_inode(dir))->i_ctx;
 
-	mutex_lock_nested(&parent->i_mutex, I_MUTEX_PARENT);
+	inode_lock_nested(parent, I_MUTEX_PARENT);
 	ret = spufs_rmdir(parent, dir);
-	mutex_unlock(&parent->i_mutex);
+	inode_unlock(parent);
 	WARN_ON(ret);
 
 	return dcache_dir_close(inode, file);
@@ -270,7 +270,7 @@ spufs_mkdir(struct inode *dir, struct dentry *dentry, unsigned int flags,
 	inode->i_op = &simple_dir_inode_operations;
 	inode->i_fop = &simple_dir_operations;
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 
 	dget(dentry);
 	inc_nlink(dir);
@@ -291,7 +291,7 @@ spufs_mkdir(struct inode *dir, struct dentry *dentry, unsigned int flags,
 	if (ret)
 		spufs_rmdir(dir, dentry);
 
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 
 	return ret;
 }
diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c
index b2e5902bd8f4..0f3da2cb2bd6 100644
--- a/arch/s390/hypfs/inode.c
+++ b/arch/s390/hypfs/inode.c
@@ -67,7 +67,7 @@ static void hypfs_remove(struct dentry *dentry)
 	struct dentry *parent;
 
 	parent = dentry->d_parent;
-	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);
@@ -76,7 +76,7 @@ static void hypfs_remove(struct dentry *dentry)
 	}
 	d_delete(dentry);
 	dput(dentry);
-	mutex_unlock(&d_inode(parent)->i_mutex);
+	inode_unlock(d_inode(parent));
 }
 
 static void hypfs_delete_tree(struct dentry *root)
@@ -331,7 +331,7 @@ static struct dentry *hypfs_create_file(struct dentry *parent, const char *name,
 	struct dentry *dentry;
 	struct inode *inode;
 
-	mutex_lock(&d_inode(parent)->i_mutex);
+	inode_lock(d_inode(parent));
 	dentry = lookup_one_len(name, parent, strlen(name));
 	if (IS_ERR(dentry)) {
 		dentry = ERR_PTR(-ENOMEM);
@@ -359,7 +359,7 @@ static struct dentry *hypfs_create_file(struct dentry *parent, const char *name,
 	d_instantiate(dentry, inode);
 	dget(dentry);
 fail:
-	mutex_unlock(&d_inode(parent)->i_mutex);
+	inode_unlock(d_inode(parent));
 	return dentry;
 }