From: Gao Xiang hsiangkao@redhat.com
pcluster should be only set up for all managed pages instead of temporary pages. Since it currently uses page->mapping to identify, the impact is minor for now.
Fixes: 5ddcee1f3a1c ("erofs: get rid of __stagingpage_alloc helper") Cc: stable@vger.kernel.org # 5.5+ Signed-off-by: Gao Xiang hsiangkao@redhat.com --- fs/erofs/zdata.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/fs/erofs/zdata.c b/fs/erofs/zdata.c index 50912a5420b4..86fd3bf62af6 100644 --- a/fs/erofs/zdata.c +++ b/fs/erofs/zdata.c @@ -1078,8 +1078,11 @@ static struct page *pickup_page_for_submission(struct z_erofs_pcluster *pcl, cond_resched(); goto repeat; } - set_page_private(page, (unsigned long)pcl); - SetPagePrivate(page); + + if (tocache) { + set_page_private(page, (unsigned long)pcl); + SetPagePrivate(page); + } out: /* the only exit (for tracing and debugging) */ return page; }