diff options
| author | Jérôme Glisse <jglisse@redhat.com> | 2019-04-10 16:56:28 -0400 |
|---|---|---|
| committer | Jérôme Glisse <jglisse@redhat.com> | 2019-04-11 16:25:40 -0400 |
| commit | 89d0119803c7f728c2438677bc8a0d6157fb0b9a (patch) | |
| tree | a7c592fcabea4c839ed85ef867e93c686552473b | |
| parent | 22a7dfe3050e3e296a13f40f059cff577f482b4b (diff) | |
ceph: use put_user_pages() instead of ceph_put_page_vector()gup-fs-block
When page reference were taken through GUP (get_user_page*()) we need
to drop them with put_user_pages().
Signed-off-by: Jérôme Glisse <jglisse@redhat.com>
Cc: linux-fsdevel@vger.kernel.org
Cc: linux-block@vger.kernel.org
Cc: linux-mm@kvack.org
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Jan Kara <jack@suse.cz>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Johannes Thumshirn <jthumshirn@suse.de>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Ming Lei <ming.lei@redhat.com>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Yan, Zheng <zyan@redhat.com>
Cc: Sage Weil <sage@redhat.com>
Cc: Ilya Dryomov <idryomov@gmail.com>
Cc: ceph-devel@vger.kernel.org
| -rw-r--r-- | fs/ceph/file.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/ceph/file.c b/fs/ceph/file.c index 6c5b85f01721..5842ad3a4218 100644 --- a/fs/ceph/file.c +++ b/fs/ceph/file.c @@ -667,7 +667,8 @@ static ssize_t ceph_sync_read(struct kiocb *iocb, struct iov_iter *to, } else { iov_iter_advance(to, 0); } - ceph_put_page_vector(pages, num_pages, false); + /* iov_iter_get_pages_alloc() did call GUP */ + put_user_pages(pages, num_pages); } else { int idx = 0; size_t left = ret > 0 ? ret : 0; |