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>
diff --git a/fs/9p/acl.c b/fs/9p/acl.c
index 8482f2d..31c0103 100644
--- a/fs/9p/acl.c
+++ b/fs/9p/acl.c
@@ -247,7 +247,7 @@
 	if ((v9ses->flags & V9FS_ACCESS_MASK) != V9FS_ACCESS_CLIENT)
 		return v9fs_remote_get_acl(dentry, name, buffer, size, type);
 
-	acl = v9fs_get_cached_acl(dentry->d_inode, type);
+	acl = v9fs_get_cached_acl(d_inode(dentry), type);
 	if (IS_ERR(acl))
 		return PTR_ERR(acl);
 	if (acl == NULL)
@@ -285,7 +285,7 @@
 	int retval;
 	struct posix_acl *acl;
 	struct v9fs_session_info *v9ses;
-	struct inode *inode = dentry->d_inode;
+	struct inode *inode = d_inode(dentry);
 
 	if (strcmp(name, "") != 0)
 		return -EINVAL;
diff --git a/fs/9p/vfs_dentry.c b/fs/9p/vfs_dentry.c
index a345b2d..bd456c6 100644
--- a/fs/9p/vfs_dentry.c
+++ b/fs/9p/vfs_dentry.c
@@ -53,7 +53,7 @@
 		 dentry, dentry);
 
 	/* Don't cache negative dentries */
-	if (!dentry->d_inode)
+	if (d_really_is_negative(dentry))
 		return 1;
 	return 0;
 }
@@ -83,7 +83,7 @@
 	if (flags & LOOKUP_RCU)
 		return -ECHILD;
 
-	inode = dentry->d_inode;
+	inode = d_inode(dentry);
 	if (!inode)
 		goto out_valid;
 
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index 3662f1d..703342e 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -595,7 +595,7 @@
 		 dir, dentry, flags);
 
 	v9ses = v9fs_inode2v9ses(dir);
-	inode = dentry->d_inode;
+	inode = d_inode(dentry);
 	dfid = v9fs_fid_lookup(dentry->d_parent);
 	if (IS_ERR(dfid)) {
 		retval = PTR_ERR(dfid);
@@ -864,7 +864,7 @@
 	}
 
 	/* Only creates */
-	if (!(flags & O_CREAT) || dentry->d_inode)
+	if (!(flags & O_CREAT) || d_really_is_positive(dentry))
 		return finish_no_open(file, res);
 
 	err = 0;
@@ -881,7 +881,7 @@
 	}
 
 	v9fs_invalidate_inode_attr(dir);
-	v9inode = V9FS_I(dentry->d_inode);
+	v9inode = V9FS_I(d_inode(dentry));
 	mutex_lock(&v9inode->v_mutex);
 	if ((v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) &&
 	    !v9inode->writeback_fid &&
@@ -908,7 +908,7 @@
 
 	file->private_data = fid;
 	if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE)
-		v9fs_cache_inode_set_cookie(dentry->d_inode, file);
+		v9fs_cache_inode_set_cookie(d_inode(dentry), file);
 
 	*opened |= FILE_CREATED;
 out:
@@ -969,8 +969,8 @@
 
 	p9_debug(P9_DEBUG_VFS, "\n");
 	retval = 0;
-	old_inode = old_dentry->d_inode;
-	new_inode = new_dentry->d_inode;
+	old_inode = d_inode(old_dentry);
+	new_inode = d_inode(new_dentry);
 	v9ses = v9fs_inode2v9ses(old_inode);
 	oldfid = v9fs_fid_lookup(old_dentry);
 	if (IS_ERR(oldfid))
@@ -1061,7 +1061,7 @@
 	p9_debug(P9_DEBUG_VFS, "dentry: %p\n", dentry);
 	v9ses = v9fs_dentry2v9ses(dentry);
 	if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) {
-		generic_fillattr(dentry->d_inode, stat);
+		generic_fillattr(d_inode(dentry), stat);
 		return 0;
 	}
 	fid = v9fs_fid_lookup(dentry);
@@ -1072,8 +1072,8 @@
 	if (IS_ERR(st))
 		return PTR_ERR(st);
 
-	v9fs_stat2inode(st, dentry->d_inode, dentry->d_inode->i_sb);
-	generic_fillattr(dentry->d_inode, stat);
+	v9fs_stat2inode(st, d_inode(dentry), d_inode(dentry)->i_sb);
+	generic_fillattr(d_inode(dentry), stat);
 
 	p9stat_free(st);
 	kfree(st);
@@ -1095,7 +1095,7 @@
 	struct p9_wstat wstat;
 
 	p9_debug(P9_DEBUG_VFS, "\n");
-	retval = inode_change_ok(dentry->d_inode, iattr);
+	retval = inode_change_ok(d_inode(dentry), iattr);
 	if (retval)
 		return retval;
 
@@ -1128,20 +1128,20 @@
 
 	/* Write all dirty data */
 	if (d_is_reg(dentry))
-		filemap_write_and_wait(dentry->d_inode->i_mapping);
+		filemap_write_and_wait(d_inode(dentry)->i_mapping);
 
 	retval = p9_client_wstat(fid, &wstat);
 	if (retval < 0)
 		return retval;
 
 	if ((iattr->ia_valid & ATTR_SIZE) &&
-	    iattr->ia_size != i_size_read(dentry->d_inode))
-		truncate_setsize(dentry->d_inode, iattr->ia_size);
+	    iattr->ia_size != i_size_read(d_inode(dentry)))
+		truncate_setsize(d_inode(dentry), iattr->ia_size);
 
-	v9fs_invalidate_inode_attr(dentry->d_inode);
+	v9fs_invalidate_inode_attr(d_inode(dentry));
 
-	setattr_copy(dentry->d_inode, iattr);
-	mark_inode_dirty(dentry->d_inode);
+	setattr_copy(d_inode(dentry), iattr);
+	mark_inode_dirty(d_inode(dentry));
 	return 0;
 }
 
@@ -1403,7 +1403,7 @@
 	retval = v9fs_vfs_mkspecial(dir, dentry, P9_DMLINK, name);
 	__putname(name);
 	if (!retval) {
-		v9fs_refresh_inode(oldfid, old_dentry->d_inode);
+		v9fs_refresh_inode(oldfid, d_inode(old_dentry));
 		v9fs_invalidate_inode_attr(dir);
 	}
 clunk_fid:
diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c
index 6054c16b..9861c7c 100644
--- a/fs/9p/vfs_inode_dotl.c
+++ b/fs/9p/vfs_inode_dotl.c
@@ -265,7 +265,7 @@
 	}
 
 	/* Only creates */
-	if (!(flags & O_CREAT) || dentry->d_inode)
+	if (!(flags & O_CREAT) || d_really_is_positive(dentry))
 		return	finish_no_open(file, res);
 
 	v9ses = v9fs_inode2v9ses(dir);
@@ -481,7 +481,7 @@
 	p9_debug(P9_DEBUG_VFS, "dentry: %p\n", dentry);
 	v9ses = v9fs_dentry2v9ses(dentry);
 	if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) {
-		generic_fillattr(dentry->d_inode, stat);
+		generic_fillattr(d_inode(dentry), stat);
 		return 0;
 	}
 	fid = v9fs_fid_lookup(dentry);
@@ -496,8 +496,8 @@
 	if (IS_ERR(st))
 		return PTR_ERR(st);
 
-	v9fs_stat2inode_dotl(st, dentry->d_inode);
-	generic_fillattr(dentry->d_inode, stat);
+	v9fs_stat2inode_dotl(st, d_inode(dentry));
+	generic_fillattr(d_inode(dentry), stat);
 	/* Change block size to what the server returned */
 	stat->blksize = st->st_blksize;
 
@@ -557,7 +557,7 @@
 	int retval;
 	struct p9_fid *fid;
 	struct p9_iattr_dotl p9attr;
-	struct inode *inode = dentry->d_inode;
+	struct inode *inode = d_inode(dentry);
 
 	p9_debug(P9_DEBUG_VFS, "\n");
 
@@ -795,10 +795,10 @@
 		if (IS_ERR(fid))
 			return PTR_ERR(fid);
 
-		v9fs_refresh_inode_dotl(fid, old_dentry->d_inode);
+		v9fs_refresh_inode_dotl(fid, d_inode(old_dentry));
 	}
-	ihold(old_dentry->d_inode);
-	d_instantiate(dentry, old_dentry->d_inode);
+	ihold(d_inode(old_dentry));
+	d_instantiate(dentry, d_inode(old_dentry));
 
 	return err;
 }
diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c
index 0afd038..e99a338 100644
--- a/fs/9p/vfs_super.c
+++ b/fs/9p/vfs_super.c
@@ -168,8 +168,8 @@
 			retval = PTR_ERR(st);
 			goto release_sb;
 		}
-		root->d_inode->i_ino = v9fs_qid2ino(&st->qid);
-		v9fs_stat2inode_dotl(st, root->d_inode);
+		d_inode(root)->i_ino = v9fs_qid2ino(&st->qid);
+		v9fs_stat2inode_dotl(st, d_inode(root));
 		kfree(st);
 	} else {
 		struct p9_wstat *st = NULL;
@@ -179,8 +179,8 @@
 			goto release_sb;
 		}
 
-		root->d_inode->i_ino = v9fs_qid2ino(&st->qid);
-		v9fs_stat2inode(st, root->d_inode, sb);
+		d_inode(root)->i_ino = v9fs_qid2ino(&st->qid);
+		v9fs_stat2inode(st, d_inode(root), sb);
 
 		p9stat_free(st);
 		kfree(st);