iomap: return VM_FAULT_* codes from iomap_page_mkwrite

All callers will need the VM_FAULT_* flags, so convert in the helper.

Signed-off-by: Christoph Hellwig <[e-mail]>
Reviewed-by: Ross Zwisler <[e-mail]>
Reviewed-by: Jan Kara <[e-mail]>
Reviewed-by: Darrick J. Wong <[e-mail]>
Signed-off-by: Darrick J. Wong <[e-mail]>

fs/iomap.c

···
 
 	set_page_dirty(page);
 	wait_for_stable_page(page);
-	return 0;
+	return VM_FAULT_LOCKED;
 out_unlock:
 	unlock_page(page);
-	return ret;
+	return block_page_mkwrite_return(ret);
 }
 EXPORT_SYMBOL_GPL(iomap_page_mkwrite);
 

fs/xfs/xfs_file.c

···
 		ret = dax_iomap_fault(vmf, PE_SIZE_PTE, &xfs_iomap_ops);
 	} else {
 		ret = iomap_page_mkwrite(vmf, &xfs_iomap_ops);
-		ret = block_page_mkwrite_return(ret);
 	}
 
 	xfs_iunlock(XFS_I(inode), XFS_MMAPLOCK_SHARED);