Commit e26355e2 authored by Jan Kara's avatar Jan Kara Committed by Theodore Ts'o
Browse files

mm: export buffer_migrate_folio_norefs() 



Ext4 needs this function to allow safe migration for journalled data
pages.

Signed-off-by: default avatarJan Kara <jack@suse.cz>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20221207112722.22220-11-jack@suse.cz


Signed-off-by: default avatarTheodore Ts'o <tytso@mit.edu>
parent 49977f97

mm/migrate.c

+1 −0
Original line number Diff line number Diff line
@@ -820,6 +820,7 @@ int buffer_migrate_folio_norefs(struct address_space *mapping, 
{

	return __buffer_migrate_folio(mapping, dst, src, mode, true);

}

EXPORT_SYMBOL_GPL(buffer_migrate_folio_norefs);

#endif



int filemap_migrate_folio(struct address_space *mapping,