On Mon, Jun 14, 2021 at 05:19:02PM -0400, Johannes Weiner wrote: > When drop_caches truncates the page cache in an inode it also includes > any shadow entries for evicted pages. However, there is a preliminary > check on whether the inode has pages: if it has *only* shadow entries, > it will skip running truncation on the inode and leave it behind. > > Fix the check to mapping_empty(), such that it runs truncation on any > inode that has cache entries at all. > > Reported-by: Roman Gushchin <guro@xxxxxx> > Signed-off-by: Johannes Weiner <hannes@xxxxxxxxxxx> Acked-by: Roman Gushchin <guro@xxxxxx> Thanks!
