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@hisilicon.com
Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
Reviewed-by: Vitaly Wool <vitaly.wool@konsulko.com>
Acked-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Reported-by: Mike Galbraith <efault@gmx.de>
Cc: Seth Jennings <sjenning@redhat.com>
Cc: Dan Streetman <ddstreet@ieee.org>
Cc: Barry Song <song.bao.hua@hisilicon.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/mm/z3fold.c b/mm/z3fold.c
index c1ccf6b..b5dafa7 100644 (file)
--- a/mm/z3fold.c
+++ b/mm/z3fold.c
@@ -1771,6 +1771,7 @@ static u64 z3fold_zpool_total_size(void *pool)
 
 static struct zpool_driver z3fold_zpool_driver = {
        .type =         "z3fold",
+       .sleep_mapped = true,
        .owner =        THIS_MODULE,
        .create =       z3fold_zpool_create,
        .destroy =      z3fold_zpool_destroy,

diff --git a/mm/zbud.c b/mm/zbud.c
index c49966e..7ec5f27 100644 (file)
--- a/mm/zbud.c
+++ b/mm/zbud.c
@@ -203,6 +203,7 @@ static u64 zbud_zpool_total_size(void *pool)
 
 static struct zpool_driver zbud_zpool_driver = {
        .type =         "zbud",
+       .sleep_mapped = true,
        .owner =        THIS_MODULE,
        .create =       zbud_zpool_create,
        .destroy =      zbud_zpool_destroy,