+ memory-failure-convert-truncate_error_page-to-truncate_error_folio.patch added to mm-unstable branch

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The patch titled
     Subject: memory-failure: convert truncate_error_page to truncate_error_folio
has been added to the -mm mm-unstable branch.  Its filename is
     memory-failure-convert-truncate_error_page-to-truncate_error_folio.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/memory-failure-convert-truncate_error_page-to-truncate_error_folio.patch

This patch will later appear in the mm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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------------------------------------------------------
From: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>
Subject: memory-failure: convert truncate_error_page to truncate_error_folio
Date: Fri, 17 Nov 2023 16:14:46 +0000

Both callers now have a folio, so pass it in.  Nothing downstream was
expecting a tail page; that's asserted in generic_error_remove_page(), for
example.

Link: https://lkml.kernel.org/r/20231117161447.2461643-6-willy@xxxxxxxxxxxxx
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Cc: Naoya Horiguchi <naoya.horiguchi@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 mm/memory-failure.c |    9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

--- a/mm/memory-failure.c~memory-failure-convert-truncate_error_page-to-truncate_error_folio
+++ a/mm/memory-failure.c
@@ -927,14 +927,13 @@ static int delete_from_lru_cache(struct
 	return -EIO;
 }
 
-static int truncate_error_page(struct page *p, unsigned long pfn,
+static int truncate_error_page(struct folio *folio, unsigned long pfn,
 				struct address_space *mapping)
 {
-	struct folio *folio = page_folio(p);
 	int ret = MF_FAILED;
 
 	if (mapping->a_ops->error_remove_page) {
-		int err = mapping->a_ops->error_remove_page(mapping, p);
+		int err = mapping->a_ops->error_remove_page(mapping, &folio->page);
 
 		if (err != 0)
 			pr_info("%#lx: Failed to punch page: %d\n", pfn, err);
@@ -1055,7 +1054,7 @@ static int me_pagecache_clean(struct pag
 	 *
 	 * Open: to take i_rwsem or not for this? Right now we don't.
 	 */
-	ret = truncate_error_page(p, page_to_pfn(p), mapping);
+	ret = truncate_error_page(folio, page_to_pfn(p), mapping);
 	if (has_extra_refcount(ps, p, extra_pins))
 		ret = MF_FAILED;
 
@@ -1189,7 +1188,7 @@ static int me_huge_page(struct page_stat
 
 	mapping = folio_mapping(folio);
 	if (mapping) {
-		res = truncate_error_page(&folio->page, page_to_pfn(p), mapping);
+		res = truncate_error_page(folio, page_to_pfn(p), mapping);
 		/* The page is kept in page cache. */
 		extra_pins = true;
 		folio_unlock(folio);
_

Patches currently in -mm which might be from willy@xxxxxxxxxxxxx are

mm-add-folio_zero_tail-and-use-it-in-ext4.patch
mm-add-folio_fill_tail-and-use-it-in-iomap.patch
gfs2-convert-stuffed_readpage-to-stuffed_read_folio.patch
mm-remove-test_set_page_writeback.patch
afs-do-not-test-the-return-value-of-folio_start_writeback.patch
smb-do-not-test-the-return-value-of-folio_start_writeback.patch
mm-return-void-from-folio_start_writeback-and-related-functions.patch
mm-make-mapping_evict_folio-the-preferred-way-to-evict-clean-folios.patch
mm-convert-__do_fault-to-use-a-folio.patch
mm-use-mapping_evict_folio-in-truncate_error_page.patch
mm-convert-soft_offline_in_use_page-to-use-a-folio.patch
mm-convert-isolate_page-to-mf_isolate_folio.patch
mm-remove-invalidate_inode_page.patch
buffer-return-bool-from-grow_dev_folio.patch
buffer-calculate-block-number-inside-folio_init_buffers.patch
buffer-fix-grow_buffers-for-block-size-page_size.patch
buffer-cast-block-to-loff_t-before-shifting-it.patch
buffer-fix-various-functions-for-block-size-page_size.patch
buffer-handle-large-folios-in-__block_write_begin_int.patch
buffer-fix-more-functions-for-block-size-page_size.patch
gfp-include-__gfp_nowarn-in-gfp_nowait.patch
memory-failure-use-a-folio-in-me_pagecache_clean.patch
memory-failure-use-a-folio-in-me_pagecache_dirty.patch
memory-failure-convert-delete_from_lru_cache-to-take-a-folio.patch
memory-failure-use-a-folio-in-me_huge_page.patch
memory-failure-convert-truncate_error_page-to-truncate_error_folio.patch
fs-convert-error_remove_page-to-error_remove_folio.patch
nilfs2-add-nilfs_end_folio_io.patch
nilfs2-convert-nilfs_abort_logs-to-use-folios.patch
nilfs2-convert-nilfs_segctor_complete_write-to-use-folios.patch
nilfs2-convert-nilfs_forget_buffer-to-use-a-folio.patch
nilfs2-convert-to-nilfs_folio_buffers_clean.patch
nilfs2-convert-nilfs_writepage-to-use-a-folio.patch
nilfs2-convert-nilfs_mdt_write_page-to-use-a-folio.patch
nilfs2-convert-to-nilfs_clear_folio_dirty.patch
nilfs2-convert-to-__nilfs_clear_folio_dirty.patch
nilfs2-convert-nilfs_segctor_prepare_write-to-use-folios.patch
nilfs2-convert-nilfs_page_mkwrite-to-use-a-folio.patch
nilfs2-convert-nilfs_mdt_create_block-to-use-a-folio.patch
nilfs2-convert-nilfs_mdt_submit_block-to-use-a-folio.patch
nilfs2-convert-nilfs_gccache_submit_read_data-to-use-a-folio.patch
nilfs2-convert-nilfs_btnode_create_block-to-use-a-folio.patch
nilfs2-convert-nilfs_btnode_submit_block-to-use-a-folio.patch
nilfs2-convert-nilfs_btnode_delete-to-use-a-folio.patch
nilfs2-convert-nilfs_btnode_prepare_change_key-to-use-a-folio.patch
nilfs2-convert-nilfs_btnode_commit_change_key-to-use-a-folio.patch
nilfs2-convert-nilfs_btnode_abort_change_key-to-use-a-folio.patch




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