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authorLorenzo Stoakes <lstoakes@gmail.com>2016-10-13 02:20:13 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2016-10-18 23:13:37 +0200
commitc164154f66f0c9b02673f07aa4f044f1d9c70274 (patch)
treefdfdc521c7cadcbbd8b4bb6bd85e8b17c13fcb13 /net/ceph
parentmm: remove write/force parameters from __get_user_pages_unlocked() (diff)
downloadlinux-c164154f66f0c9b02673f07aa4f044f1d9c70274.tar.xz
linux-c164154f66f0c9b02673f07aa4f044f1d9c70274.zip
mm: replace get_user_pages_unlocked() write/force parameters with gup_flags
This removes the 'write' and 'force' use from get_user_pages_unlocked() and replaces them with 'gup_flags' to make the use of FOLL_FORCE explicit in callers as use of this flag can result in surprising behaviour (and hence bugs) within the mm subsystem. Signed-off-by: Lorenzo Stoakes <lstoakes@gmail.com> Reviewed-by: Jan Kara <jack@suse.cz> Acked-by: Michal Hocko <mhocko@suse.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'net/ceph')
-rw-r--r--net/ceph/pagevec.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ceph/pagevec.c b/net/ceph/pagevec.c
index 00d2601407c5..1a7c9a79a53c 100644
--- a/net/ceph/pagevec.c
+++ b/net/ceph/pagevec.c
@@ -26,7 +26,7 @@ struct page **ceph_get_direct_page_vector(const void __user *data,
while (got < num_pages) {
rc = get_user_pages_unlocked(
(unsigned long)data + ((unsigned long)got * PAGE_SIZE),
- num_pages - got, write_page, 0, pages + got);
+ num_pages - got, pages + got, write_page ? FOLL_WRITE : 0);
if (rc < 0)
break;
BUG_ON(rc == 0);