From: Tian Tao
mainline inclusion
from mainline-5.12-rc1
commit e818e820c6a0e819d239264fc863531bbcd72c30
category: bugfix
issue: #I3ZXZF
CVE: NA
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?i...
----------------------------------------------------------------------
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@hisilic...
Signed-off-by: Tian Tao
Reviewed-by: Vitaly Wool
Acked-by: Sebastian Andrzej Siewior
Reported-by: Mike Galbraith
Cc: Seth Jennings
Cc: Dan Streetman
Cc: Barry Song
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
Signed-off-by: Chen Huang
Reviewed-by: Kefeng Wang
Signed-off-by: Chen Jun
Signed-off-by: Yu Changchun
---
mm/z3fold.c | 1 +
mm/zbud.c | 1 +
2 files changed, 2 insertions(+)
diff --git a/mm/z3fold.c b/mm/z3fold.c
index 912ac9a64a15..f75c638c69db 100644
--- a/mm/z3fold.c
+++ b/mm/z3fold.c
@@ -1790,6 +1790,7 @@ 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 c49966ece674..7ec5f27a68b0 100644
--- 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,
--
2.22.0
