VFS: normal filesystems (and lustre): d_inode() annotations

that's the bulk of filesystem drivers dealing with inodes of their own

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

2 files changed, 29 insertions, 29 deletions

diff --git a/fs/debugfs/file.c b/fs/debugfs/file.c
index 517e64938438..830a7e76f5c6 100644
--- a/fs/debugfs/file.c
+++ b/fs/debugfs/file.c
@@ -45,7 +45,7 @@ const struct file_operations debugfs_file_operations = {
 
 static void *debugfs_follow_link(struct dentry *dentry, struct nameidata *nd)
 {
-        nd_set_link(nd, dentry->d_inode->i_private);
+        nd_set_link(nd, d_inode(dentry)->i_private);
         return NULL;
 }
 
diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c
index 26856ecdea5e..61dfe45fdb68 100644
--- a/fs/debugfs/inode.c
+++ b/fs/debugfs/inode.c
@@ -46,7 +46,7 @@ static struct inode *debugfs_get_inode(struct super_block *sb)
 
 static inline int debugfs_positive(struct dentry *dentry)
 {
-        return dentry->d_inode && !d_unhashed(dentry);
+        return d_really_is_positive(dentry) && !d_unhashed(dentry);
 }
 
 struct debugfs_mount_opts {
@@ -124,7 +124,7 @@ static int debugfs_parse_options(char *data, struct debugfs_mount_opts *opts)
 static int debugfs_apply_options(struct super_block *sb)
 {
         struct debugfs_fs_info *fsi = sb->s_fs_info;
-        struct inode *inode = sb->s_root->d_inode;
+        struct inode *inode = d_inode(sb->s_root);
         struct debugfs_mount_opts *opts = &fsi->mount_opts;
 
         inode->i_mode &= ~S_IALLUGO;
@@ -188,7 +188,7 @@ static struct vfsmount *debugfs_automount(struct path *path)
 {
         struct vfsmount *(*f)(void *);
         f = (struct vfsmount *(*)(void *))path->dentry->d_fsdata;
-        return f(path->dentry->d_inode->i_private);
+        return f(d_inode(path->dentry)->i_private);
 }
 
 static const struct dentry_operations debugfs_dops = {
@@ -267,20 +267,20 @@ static struct dentry *start_creating(const char *name, struct dentry *parent)
         if (!parent)
                 parent = debugfs_mount->mnt_root;
 
-        mutex_lock(&parent->d_inode->i_mutex);
+        mutex_lock(&d_inode(parent)->i_mutex);
         dentry = lookup_one_len(name, parent, strlen(name));
-        if (!IS_ERR(dentry) && dentry->d_inode) {
+        if (!IS_ERR(dentry) && d_really_is_positive(dentry)) {
                 dput(dentry);
                 dentry = ERR_PTR(-EEXIST);
         }
         if (IS_ERR(dentry))
-                mutex_unlock(&parent->d_inode->i_mutex);
+                mutex_unlock(&d_inode(parent)->i_mutex);
         return dentry;
 }
 
 static struct dentry *failed_creating(struct dentry *dentry)
 {
-        mutex_unlock(&dentry->d_parent->d_inode->i_mutex);
+        mutex_unlock(&d_inode(dentry->d_parent)->i_mutex);
         dput(dentry);
         simple_release_fs(&debugfs_mount, &debugfs_mount_count);
         return NULL;
@@ -288,7 +288,7 @@ static struct dentry *failed_creating(struct dentry *dentry)
 
 static struct dentry *end_creating(struct dentry *dentry)
 {
-        mutex_unlock(&dentry->d_parent->d_inode->i_mutex);
+        mutex_unlock(&d_inode(dentry->d_parent)->i_mutex);
         return dentry;
 }
 
@@ -341,7 +341,7 @@ struct dentry *debugfs_create_file(const char *name, umode_t mode,
         inode->i_fop = fops ? fops : &debugfs_file_operations;
         inode->i_private = data;
         d_instantiate(dentry, inode);
-        fsnotify_create(dentry->d_parent->d_inode, dentry);
+        fsnotify_create(d_inode(dentry->d_parent), dentry);
         return end_creating(dentry);
 }
 EXPORT_SYMBOL_GPL(debugfs_create_file);
@@ -381,7 +381,7 @@ struct dentry *debugfs_create_file_size(const char *name, umode_t mode,
         struct dentry *de = debugfs_create_file(name, mode, parent, data, fops);
 
         if (de)
-                de->d_inode->i_size = file_size;
+                d_inode(de)->i_size = file_size;
         return de;
 }
 EXPORT_SYMBOL_GPL(debugfs_create_file_size);
@@ -423,8 +423,8 @@ struct dentry *debugfs_create_dir(const char *name, struct dentry *parent)
         /* directory inodes start off with i_nlink == 2 (for "." entry) */
         inc_nlink(inode);
         d_instantiate(dentry, inode);
-        inc_nlink(dentry->d_parent->d_inode);
-        fsnotify_mkdir(dentry->d_parent->d_inode, dentry);
+        inc_nlink(d_inode(dentry->d_parent));
+        fsnotify_mkdir(d_inode(dentry->d_parent), dentry);
         return end_creating(dentry);
 }
 EXPORT_SYMBOL_GPL(debugfs_create_dir);
@@ -522,9 +522,9 @@ static int __debugfs_remove(struct dentry *dentry, struct dentry *parent)
         if (debugfs_positive(dentry)) {
                 dget(dentry);
                 if (d_is_dir(dentry))
-                        ret = simple_rmdir(parent->d_inode, dentry);
+                        ret = simple_rmdir(d_inode(parent), dentry);
                 else
-                        simple_unlink(parent->d_inode, dentry);
+                        simple_unlink(d_inode(parent), dentry);
                 if (!ret)
                         d_delete(dentry);
                 dput(dentry);
@@ -554,12 +554,12 @@ void debugfs_remove(struct dentry *dentry)
                 return;
 
         parent = dentry->d_parent;
-        if (!parent || !parent->d_inode)
+        if (!parent || d_really_is_negative(parent))
                 return;
 
-        mutex_lock(&parent->d_inode->i_mutex);
+        mutex_lock(&d_inode(parent)->i_mutex);
         ret = __debugfs_remove(dentry, parent);
-        mutex_unlock(&parent->d_inode->i_mutex);
+        mutex_unlock(&d_inode(parent)->i_mutex);
         if (!ret)
                 simple_release_fs(&debugfs_mount, &debugfs_mount_count);
 }
@@ -585,12 +585,12 @@ void debugfs_remove_recursive(struct dentry *dentry)
                 return;
 
         parent = dentry->d_parent;
-        if (!parent || !parent->d_inode)
+        if (!parent || d_really_is_negative(parent))
                 return;
 
         parent = dentry;
  down:
-        mutex_lock(&parent->d_inode->i_mutex);
+        mutex_lock(&d_inode(parent)->i_mutex);
  loop:
         /*
          * The parent->d_subdirs is protected by the d_lock. Outside that
@@ -605,7 +605,7 @@ void debugfs_remove_recursive(struct dentry *dentry)
                 /* perhaps simple_empty(child) makes more sense */
                 if (!list_empty(&child->d_subdirs)) {
                         spin_unlock(&parent->d_lock);
-                        mutex_unlock(&parent->d_inode->i_mutex);
+                        mutex_unlock(&d_inode(parent)->i_mutex);
                         parent = child;
                         goto down;
                 }
@@ -626,10 +626,10 @@ void debugfs_remove_recursive(struct dentry *dentry)
         }
         spin_unlock(&parent->d_lock);
 
-        mutex_unlock(&parent->d_inode->i_mutex);
+        mutex_unlock(&d_inode(parent)->i_mutex);
         child = parent;
         parent = parent->d_parent;
-        mutex_lock(&parent->d_inode->i_mutex);
+        mutex_lock(&d_inode(parent)->i_mutex);
 
         if (child != dentry)
                 /* go up */
@@ -637,7 +637,7 @@ void debugfs_remove_recursive(struct dentry *dentry)
 
         if (!__debugfs_remove(child, parent))
                 simple_release_fs(&debugfs_mount, &debugfs_mount_count);
-        mutex_unlock(&parent->d_inode->i_mutex);
+        mutex_unlock(&d_inode(parent)->i_mutex);
 }
 EXPORT_SYMBOL_GPL(debugfs_remove_recursive);
 
@@ -669,27 +669,27 @@ struct dentry *debugfs_rename(struct dentry *old_dir, struct dentry *old_dentry,
 
         trap = lock_rename(new_dir, old_dir);
         /* Source or destination directories don't exist? */
-        if (!old_dir->d_inode || !new_dir->d_inode)
+        if (d_really_is_negative(old_dir) || d_really_is_negative(new_dir))
                 goto exit;
         /* Source does not exist, cyclic rename, or mountpoint? */
-        if (!old_dentry->d_inode || old_dentry == trap ||
+        if (d_really_is_negative(old_dentry) || old_dentry == trap ||
             d_mountpoint(old_dentry))
                 goto exit;
         dentry = lookup_one_len(new_name, new_dir, strlen(new_name));
         /* Lookup failed, cyclic rename or target exists? */
-        if (IS_ERR(dentry) || dentry == trap || dentry->d_inode)
+        if (IS_ERR(dentry) || dentry == trap || d_really_is_positive(dentry))
                 goto exit;
 
         old_name = fsnotify_oldname_init(old_dentry->d_name.name);
 
-        error = simple_rename(old_dir->d_inode, old_dentry, new_dir->d_inode,
+        error = simple_rename(d_inode(old_dir), old_dentry, d_inode(new_dir),
                 dentry);
         if (error) {
                 fsnotify_oldname_free(old_name);
                 goto exit;
         }
         d_move(old_dentry, dentry);
-        fsnotify_move(old_dir->d_inode, new_dir->d_inode, old_name,
+        fsnotify_move(d_inode(old_dir), d_inode(new_dir), old_name,
                 d_is_dir(old_dentry),
                 NULL, old_dentry);
         fsnotify_oldname_free(old_name);