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>

2 files changed, 4 insertions, 4 deletions

diff --git a/fs/nilfs2/inode.c b/fs/nilfs2/inode.c
index 10b2252..21a1e2e 100644
--- a/fs/nilfs2/inode.c
+++ b/fs/nilfs2/inode.c
@@ -1003,7 +1003,7 @@ int nilfs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
 	if (ret)
 		return ret;
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 
 	isize = i_size_read(inode);
 
@@ -1113,6 +1113,6 @@ int nilfs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
 	if (ret == 1)
 		ret = 0;
 
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 	return ret;
 }
diff --git a/fs/nilfs2/ioctl.c b/fs/nilfs2/ioctl.c
index aba4381..e8fe248 100644
--- a/fs/nilfs2/ioctl.c
+++ b/fs/nilfs2/ioctl.c
@@ -158,7 +158,7 @@ static int nilfs_ioctl_setflags(struct inode *inode, struct file *filp,
 
 	flags = nilfs_mask_flags(inode->i_mode, flags);
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 
 	oldflags = NILFS_I(inode)->i_flags;
 
@@ -186,7 +186,7 @@ static int nilfs_ioctl_setflags(struct inode *inode, struct file *filp,
 	nilfs_mark_inode_dirty(inode);
 	ret = nilfs_transaction_commit(inode->i_sb);
 out:
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 	mnt_drop_write_file(filp);
 	return ret;
 }