From: Al Viro <viro@zeniv.linux.org.uk>
Date: Fri, 22 Sep 2017 18:18:55 -0400
Subject: [PATCH] st: use get_user_pages_fast()
Git-commit: 43bfe7bc3c2817f42548f650e82aa506d605c0a3
Patch-mainline: v4.15-rc1
References: bsc#1118139
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Acked-by: Hannes Reinecke <hare@suse.com>
---
drivers/scsi/st.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index 94e402ed30f6..b141d7641a2e 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -4920,11 +4920,7 @@ static int sgl_map_user_pages(struct st_buffer *STbp,
/* Try to fault in all of the necessary pages */
/* rw==READ means read from drive, write into memory area */
- res = get_user_pages_unlocked(
- uaddr,
- nr_pages,
- pages,
- rw == READ ? FOLL_WRITE : 0); /* don't force */
+ res = get_user_pages_fast(uaddr, nr_pages, rw == READ, pages);
/* Errors and no page mapped should return here */
if (res < nr_pages)
--
2.12.3