On Sat, Jul 26, 2025 at 05:09:56PM +0800, alexjlzheng@xxxxxxxxx wrote: > @@ -992,6 +977,12 @@ static int iomap_write_iter(struct iomap_iter *iter, struct iov_iter *i) > if (mapping_writably_mapped(mapping)) > flush_dcache_folio(folio); > > + /* > + * copy_folio_from_iter_atomic() short-circuits page fault handle > + * logics via pagefault_disable(), to prevent deadlock scenarios > + * when both source and destination buffers reside within the same > + * folio (mmap, ...). > + */ Why did you change this comment from the one in 665575cff098? The comment in that commit is correct. This comment is so badly mangled, it isn't even wrong.
