@@ -493,17 +493,21 @@ EXPORT_SYMBOL_GPL(iomap_releasepage);
void
iomap_invalidatepage(struct page *page, unsigned int offset, unsigned int len)
{
+ bool full_page = (offset == 0) && (len == thp_size(page));
trace_iomap_invalidatepage(page->mapping->host, offset, len);
/*
* If we are invalidating the entire page, clear the dirty state from it
* and release it to avoid unnecessary buildup of the LRU.
*/
- if (offset == 0 && len == PAGE_SIZE) {
+ if (full_page) {
WARN_ON_ONCE(PageWriteback(page));
cancel_dirty_page(page);
- iomap_page_release(page);
}
+
+ /* Punching a hole in a THP requires releasing the iop */
+ if (full_page || thp_order(page) > 0)
+ iomap_page_release(page);
}
EXPORT_SYMBOL_GPL(iomap_invalidatepage);