f2fs: issue all big range discards in umount process

This patch modify max_requests to UINT_MAX, to issue
all big range discards in umount.

Signed-off-by: Yunlei He <heyunlei@huawei.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index b1e58b10425fe0f2deaa20ec552cff35792f3494..a7ec952093f8c2f62496402872cb62ee2bebfc2f 100644 (file)
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -943,6 +943,7 @@ static void __init_discard_policy(struct f2fs_sb_info *sbi,
        } else if (discard_type == DPOLICY_FSTRIM) {
                dpolicy->io_aware = false;
        } else if (discard_type == DPOLICY_UMOUNT) {
+               dpolicy->max_requests = UINT_MAX;
                dpolicy->io_aware = false;
        }
 }