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ubifs: Convert to filemap_migrate_folio()

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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>
This commit is contained in:
Matthew Wilcox (Oracle) 2022-06-06 10:47:21 -04:00
parent e7a60a1787
commit e7b15bae55
1 changed files with 2 additions and 27 deletions
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27
fs/ubifs/file.c
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@ -1461,29 +1461,6 @@ static bool ubifs_dirty_folio(struct address_space *mapping,
return ret; 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) static bool ubifs_release_folio(struct folio *folio, gfp_t unused_gfp_flags)
{ {
struct inode *inode = folio->mapping->host; struct inode *inode = folio->mapping->host;
@ -1649,9 +1626,7 @@ const struct address_space_operations ubifs_file_address_operations = {
.write_end = ubifs_write_end, .write_end = ubifs_write_end,
.invalidate_folio = ubifs_invalidate_folio, .invalidate_folio = ubifs_invalidate_folio,
.dirty_folio = ubifs_dirty_folio, .dirty_folio = ubifs_dirty_folio,
#ifdef CONFIG_MIGRATION .migrate_folio = filemap_migrate_folio,
.migratepage = ubifs_migrate_page,
#endif
.release_folio = ubifs_release_folio, .release_folio = ubifs_release_folio,
}; };