From 2cee93a93c43d29ab11b1effc915ef5c2f83a91f Mon Sep 17 00:00:00 2001
From: Park Ju Hyung <qkrwngud825@gmail.com>
Date: Tue, 13 Aug 2019 07:01:45 +0900
Subject: [PATCH] fs: exfat: workaround unexported blk_flush_plug()

Signed-off-by: Park Ju Hyung <qkrwngud825@gmail.com>
Signed-off-by: Khusika Dhamar Gusti <mail@khusika.com>
Change-Id: Ida4d18c2ff29ddbdd664c8900137e483c449f28b
---
 fs/exfat/blkdev.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/fs/exfat/blkdev.c b/fs/exfat/blkdev.c
index d17b5d37dc97..27c627619a56 100644
--- a/fs/exfat/blkdev.c
+++ b/fs/exfat/blkdev.c
@@ -118,8 +118,15 @@ s32 bdev_readahead(struct super_block *sb, u64 secno, u64 num_secs)
 
 	blk_start_plug(&plug);
 	for (i = 0; i < num_secs; i++) {
-		if (i && !(i & (sects_per_page - 1)))
+		if (i && !(i & (sects_per_page - 1))) {
+#ifdef MODULE
+			/* TODO: fix this by using proper APIs */
+			blk_finish_plug(&plug);
+			blk_start_plug(&plug);
+#else
 			blk_flush_plug(current);
+#endif
+		}
 		sb_breadahead(sb, (sector_t)(secno + i));
 	}
 	blk_finish_plug(&plug);