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, 6 insertions, 6 deletions

diff --git a/fs/ext2/ioctl.c b/fs/ext2/ioctl.c
index 5d46c09863f0..b386af2e45f4 100644
--- a/fs/ext2/ioctl.c
+++ b/fs/ext2/ioctl.c
@@ -51,10 +51,10 @@ long ext2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 
                 flags = ext2_mask_flags(inode->i_mode, flags);
 
-                mutex_lock(&inode->i_mutex);
+                inode_lock(inode);
                 /* Is it quota file? Do not allow user to mess with it */
                 if (IS_NOQUOTA(inode)) {
-                        mutex_unlock(&inode->i_mutex);
+                        inode_unlock(inode);
                         ret = -EPERM;
                         goto setflags_out;
                 }
@@ -68,7 +68,7 @@ long ext2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
                  */
                 if ((flags ^ oldflags) & (EXT2_APPEND_FL | EXT2_IMMUTABLE_FL)) {
                         if (!capable(CAP_LINUX_IMMUTABLE)) {
-                                mutex_unlock(&inode->i_mutex);
+                                inode_unlock(inode);
                                 ret = -EPERM;
                                 goto setflags_out;
                         }
@@ -80,7 +80,7 @@ long ext2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 
                 ext2_set_inode_flags(inode);
                 inode->i_ctime = CURRENT_TIME_SEC;
-                mutex_unlock(&inode->i_mutex);
+                inode_unlock(inode);
 
                 mark_inode_dirty(inode);
 setflags_out:
@@ -102,10 +102,10 @@ setflags_out:
                         goto setversion_out;
                 }
 
-                mutex_lock(&inode->i_mutex);
+                inode_lock(inode);
                 inode->i_ctime = CURRENT_TIME_SEC;
                 inode->i_generation = generation;
-                mutex_unlock(&inode->i_mutex);
+                inode_unlock(inode);
 
                 mark_inode_dirty(inode);
 setversion_out: