9p: switch v9fs_acl_chmod() from dentry to inode+fid

caller has both, might as well pass them explicitly.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

fs/9p/acl.c

@@ -147,17 +147,13 @@ static int v9fs_set_acl(struct p9_fid *fid, int type, struct posix_acl *acl)
 	return retval;
 }
 
-int v9fs_acl_chmod(struct dentry *dentry)
+int v9fs_acl_chmod(struct inode *inode, struct p9_fid *fid)
 {
 	int retval = 0;
 	struct posix_acl *acl;
-	struct inode *inode = dentry->d_inode;
-	struct p9_fid *fid = v9fs_fid_lookup(dentry);
 
 	if (S_ISLNK(inode->i_mode))
 		return -EOPNOTSUPP;
-	if (IS_ERR(fid))
-		return PTR_ERR(fid);
 	acl = v9fs_get_cached_acl(inode, ACL_TYPE_ACCESS);
 	if (acl) {
 		retval = posix_acl_chmod(&acl, GFP_KERNEL, inode->i_mode);

fs/9p/acl.h

@@ -17,7 +17,7 @@
 #ifdef CONFIG_9P_FS_POSIX_ACL
 extern int v9fs_get_acl(struct inode *, struct p9_fid *);
 extern struct posix_acl *v9fs_iop_get_acl(struct inode *inode, int type);
-extern int v9fs_acl_chmod(struct dentry *);
+extern int v9fs_acl_chmod(struct inode *, struct p9_fid *);
 extern int v9fs_set_create_acl(struct dentry *,
 			       struct posix_acl **, struct posix_acl **);
 extern int v9fs_acl_mode(struct inode *dir, umode_t *modep,
@@ -28,7 +28,7 @@ static inline int v9fs_get_acl(struct inode *inode, struct p9_fid *fid)
 {
 	return 0;
 }
-static inline int v9fs_acl_chmod(struct dentry *dentry)
+static inline int v9fs_acl_chmod(struct inode *inode, struct p9_fid *fid)
 {
 	return 0;
 }

fs/9p/vfs_inode_dotl.c

@@ -567,10 +567,11 @@ int v9fs_vfs_setattr_dotl(struct dentry *dentry, struct iattr *iattr)
 	struct v9fs_session_info *v9ses;
 	struct p9_fid *fid;
 	struct p9_iattr_dotl p9attr;
+	struct inode *inode = dentry->d_inode;
 
 	p9_debug(P9_DEBUG_VFS, "\n");
 
-	retval = inode_change_ok(dentry->d_inode, iattr);
+	retval = inode_change_ok(inode, iattr);
 	if (retval)
 		return retval;
 
@@ -591,23 +592,23 @@ int v9fs_vfs_setattr_dotl(struct dentry *dentry, struct iattr *iattr)
 		return PTR_ERR(fid);
 
 	/* Write all dirty data */
-	if (S_ISREG(dentry->d_inode->i_mode))
-		filemap_write_and_wait(dentry->d_inode->i_mapping);
+	if (S_ISREG(inode->i_mode))
+		filemap_write_and_wait(inode->i_mapping);
 
 	retval = p9_client_setattr(fid, &p9attr);
 	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(inode))
+		truncate_setsize(inode, iattr->ia_size);
 
-	v9fs_invalidate_inode_attr(dentry->d_inode);
-	setattr_copy(dentry->d_inode, iattr);
-	mark_inode_dirty(dentry->d_inode);
+	v9fs_invalidate_inode_attr(inode);
+	setattr_copy(inode, iattr);
+	mark_inode_dirty(inode);
 	if (iattr->ia_valid & ATTR_MODE) {
 		/* We also want to update ACL when we update mode bits */
-		retval = v9fs_acl_chmod(dentry);
+		retval = v9fs_acl_chmod(inode, fid);
 		if (retval < 0)
 			return retval;
 	}