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Subject[PATCH v2 13/19] ubifs: Convert to filemap_migrate_folio()
Date
filemap_migrate_folio() is a little more general than ubifs really needs,
but it's better to share the code.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
---
fs/ubifs/file.c | 29 ++---------------------------
1 file changed, 2 insertions(+), 27 deletions(-)

diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index 04ced154960f..f2353dd676ef 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -1461,29 +1461,6 @@ static bool ubifs_dirty_folio(struct address_space *mapping,
return ret;
}

-#ifdef CONFIG_MIGRATION
-static int ubifs_migrate_page(struct address_space *mapping,
- struct page *newpage, struct page *page, enum migrate_mode mode)
-{
- int rc;
-
- rc = migrate_page_move_mapping(mapping, newpage, page, 0);
- if (rc != MIGRATEPAGE_SUCCESS)
- return rc;
-
- if (PagePrivate(page)) {
- detach_page_private(page);
- attach_page_private(newpage, (void *)1);
- }
-
- if (mode != MIGRATE_SYNC_NO_COPY)
- migrate_page_copy(newpage, page);
- else
- migrate_page_states(newpage, page);
- return MIGRATEPAGE_SUCCESS;
-}
-#endif
-
static bool ubifs_release_folio(struct folio *folio, gfp_t unused_gfp_flags)
{
struct inode *inode = folio->mapping->host;
@@ -1649,10 +1626,8 @@ const struct address_space_operations ubifs_file_address_operations = {
.write_end = ubifs_write_end,
.invalidate_folio = ubifs_invalidate_folio,
.dirty_folio = ubifs_dirty_folio,
-#ifdef CONFIG_MIGRATION
- .migratepage = ubifs_migrate_page,
-#endif
- .release_folio = ubifs_release_folio,
+ .migrate_folio = filemap_migrate_folio,
+ .release_folio = ubifs_release_folio,
};

const struct inode_operations ubifs_file_inode_operations = {
--
2.35.1
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