From: Dave Chinner <dchinner@xxxxxxxxxx> XFS needs this for finding cached dirty data regions when cleaning up short writes, so it needs to be exported as XFS can be built as a module. Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx> --- mm/filemap.c | 1 + 1 file changed, 1 insertion(+) diff --git a/mm/filemap.c b/mm/filemap.c index 08341616ae7a..07d255c41c43 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -2925,6 +2925,7 @@ loff_t mapping_seek_hole_data(struct address_space *mapping, loff_t start, return end; return start; } +EXPORT_SYMBOL_GPL(mapping_seek_hole_data); #ifdef CONFIG_MMU #define MMAP_LOTSAMISS (100) -- 2.37.2