From: Tian Tao <tiantao6@xxxxxxxxxxxxx> Subject: mm: set the sleep_mapped to true for zbud and z3fold zpool driver adds a flag to indicate whether the zpool driver can enter an atomic context after mapping. This patch sets it true for z3fold and zbud. Link: https://lkml.kernel.org/r/1611035683-12732-3-git-send-email-tiantao6@xxxxxxxxxxxxx Signed-off-by: Tian Tao <tiantao6@xxxxxxxxxxxxx> Reviewed-by: Vitaly Wool <vitaly.wool@xxxxxxxxxxxx> Acked-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> Reported-by: Mike Galbraith <efault@xxxxxx> Cc: Seth Jennings <sjenning@xxxxxxxxxx> Cc: Dan Streetman <ddstreet@xxxxxxxx> Cc: Barry Song <song.bao.hua@xxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/z3fold.c | 1 + mm/zbud.c | 1 + 2 files changed, 2 insertions(+) --- a/mm/z3fold.c~mm-set-the-sleep_mapped-to-true-for-zbud-and-z3fold +++ a/mm/z3fold.c @@ -1771,6 +1771,7 @@ static u64 z3fold_zpool_total_size(void static struct zpool_driver z3fold_zpool_driver = { .type = "z3fold", + .sleep_mapped = true, .owner = THIS_MODULE, .create = z3fold_zpool_create, .destroy = z3fold_zpool_destroy, --- a/mm/zbud.c~mm-set-the-sleep_mapped-to-true-for-zbud-and-z3fold +++ a/mm/zbud.c @@ -203,6 +203,7 @@ static u64 zbud_zpool_total_size(void *p static struct zpool_driver zbud_zpool_driver = { .type = "zbud", + .sleep_mapped = true, .owner = THIS_MODULE, .create = zbud_zpool_create, .destroy = zbud_zpool_destroy, _
