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    Subject[PATCH 4.19 13/86] fuse: fix weird page warning
    Date
    From: Miklos Szeredi <mszeredi@redhat.com>

    commit a5005c3cda6eeb6b95645e6cc32f58dafeffc976 upstream.

    When PageWaiters was added, updating this check was missed.

    Reported-by: Nikolaus Rath <Nikolaus@rath.org>
    Reported-by: Hugh Dickins <hughd@google.com>
    Fixes: 62906027091f ("mm: add PageWaiters indicating tasks are waiting for a page bit")
    Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
    Signed-off-by: André Almeida <andrealmeid@collabora.com>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    fs/fuse/dev.c | 3 ++-
    1 file changed, 2 insertions(+), 1 deletion(-)

    diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
    index 6d39143cfa094..01e6ea11822bf 100644
    --- a/fs/fuse/dev.c
    +++ b/fs/fuse/dev.c
    @@ -838,7 +838,8 @@ static int fuse_check_page(struct page *page)
    1 << PG_uptodate |
    1 << PG_lru |
    1 << PG_active |
    - 1 << PG_reclaim))) {
    + 1 << PG_reclaim |
    + 1 << PG_waiters))) {
    printk(KERN_WARNING "fuse: trying to steal weird page\n");
    printk(KERN_WARNING " page=%p index=%li flags=%08lx, count=%i, mapcount=%i, mapping=%p\n", page, page->index, page->flags, page_count(page), page_mapcount(page), page->mapping);
    return 1;
    --
    2.25.1


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