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-rw-r--r--mm/truncate.c51
1 files changed, 21 insertions, 30 deletions
diff --git a/mm/truncate.c b/mm/truncate.c
index 8e3aa9e8618e..725b150e47ac 100644
--- a/mm/truncate.c
+++ b/mm/truncate.c
@@ -250,10 +250,9 @@ bool truncate_inode_partial_folio(struct folio *folio, loff_t start, loff_t end)
/*
* Used to get rid of pages on hardware memory corruption.
*/
-int generic_error_remove_page(struct address_space *mapping, struct page *page)
+int generic_error_remove_folio(struct address_space *mapping,
+ struct folio *folio)
{
- VM_BUG_ON_PAGE(PageTail(page), page);
-
if (!mapping)
return -EINVAL;
/*
@@ -262,13 +261,26 @@ int generic_error_remove_page(struct address_space *mapping, struct page *page)
*/
if (!S_ISREG(mapping->host->i_mode))
return -EIO;
- return truncate_inode_folio(mapping, page_folio(page));
+ return truncate_inode_folio(mapping, folio);
}
-EXPORT_SYMBOL(generic_error_remove_page);
+EXPORT_SYMBOL(generic_error_remove_folio);
-static long mapping_evict_folio(struct address_space *mapping,
- struct folio *folio)
+/**
+ * mapping_evict_folio() - Remove an unused folio from the page-cache.
+ * @mapping: The mapping this folio belongs to.
+ * @folio: The folio to remove.
+ *
+ * Safely remove one folio from the page cache.
+ * It only drops clean, unused folios.
+ *
+ * Context: Folio must be locked.
+ * Return: The number of pages successfully removed.
+ */
+long mapping_evict_folio(struct address_space *mapping, struct folio *folio)
{
+ /* The page may have been truncated before it was locked */
+ if (!mapping)
+ return 0;
if (folio_test_dirty(folio) || folio_test_writeback(folio))
return 0;
/* The refcount will be elevated if any page in the folio is mapped */
@@ -282,27 +294,6 @@ static long mapping_evict_folio(struct address_space *mapping,
}
/**
- * invalidate_inode_page() - Remove an unused page from the pagecache.
- * @page: The page to remove.
- *
- * Safely invalidate one page from its pagecache mapping.
- * It only drops clean, unused pages.
- *
- * Context: Page must be locked.
- * Return: The number of pages successfully removed.
- */
-long invalidate_inode_page(struct page *page)
-{
- struct folio *folio = page_folio(page);
- struct address_space *mapping = folio_mapping(folio);
-
- /* The page may have been truncated before it was locked */
- if (!mapping)
- return 0;
- return mapping_evict_folio(mapping, folio);
-}
-
-/**
* truncate_inode_pages_range - truncate range of pages specified by start & end byte offsets
* @mapping: mapping to truncate
* @lstart: offset from which to truncate
@@ -560,9 +551,9 @@ unsigned long invalidate_mapping_pages(struct address_space *mapping,
EXPORT_SYMBOL(invalidate_mapping_pages);
/*
- * This is like invalidate_inode_page(), except it ignores the page's
+ * This is like mapping_evict_folio(), except it ignores the folio's
* refcount. We do this because invalidate_inode_pages2() needs stronger
- * invalidation guarantees, and cannot afford to leave pages behind because
+ * invalidation guarantees, and cannot afford to leave folios behind because
* shrink_page_list() has a temp ref on them, or because they're transiently
* sitting in the folio_add_lru() caches.
*/