diff options
| author | Christoph Hellwig <hch@lst.de> | 2019-05-01 16:40:32 -0400 |
|---|---|---|
| committer | Ilya Dryomov <idryomov@gmail.com> | 2019-07-08 14:01:40 +0200 |
| commit | 97a385e558292ba0851906783642239865670a5f (patch) | |
| tree | bb736335b7c5e39f975a213d2ce0413f4fb28138 | |
| parent | 0ecfebd2b52404ae0c54a878c872bb93363ada36 (diff) | |
| download | linux-97a385e558292ba0851906783642239865670a5f.tar.bz2 | |
libceph: remove ceph_get_direct_page_vector()
This function is entirely unused.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
| -rw-r--r-- | include/linux/ceph/libceph.h | 4 | ||||
| -rw-r--r-- | net/ceph/pagevec.c | 33 |
2 files changed, 0 insertions, 37 deletions
diff --git a/include/linux/ceph/libceph.h b/include/linux/ceph/libceph.h index 337d5049ff93..a3cddf5f0e60 100644 --- a/include/linux/ceph/libceph.h +++ b/include/linux/ceph/libceph.h @@ -299,10 +299,6 @@ int ceph_wait_for_latest_osdmap(struct ceph_client *client, /* pagevec.c */ extern void ceph_release_page_vector(struct page **pages, int num_pages); - -extern struct page **ceph_get_direct_page_vector(const void __user *data, - int num_pages, - bool write_page); extern void ceph_put_page_vector(struct page **pages, int num_pages, bool dirty); extern struct page **ceph_alloc_page_vector(int num_pages, gfp_t flags); diff --git a/net/ceph/pagevec.c b/net/ceph/pagevec.c index 74cafc0142ea..64305e7056a1 100644 --- a/net/ceph/pagevec.c +++ b/net/ceph/pagevec.c @@ -10,39 +10,6 @@ #include <linux/ceph/libceph.h> -/* - * build a vector of user pages - */ -struct page **ceph_get_direct_page_vector(const void __user *data, - int num_pages, bool write_page) -{ - struct page **pages; - int got = 0; - int rc = 0; - - pages = kmalloc_array(num_pages, sizeof(*pages), GFP_NOFS); - if (!pages) - return ERR_PTR(-ENOMEM); - - while (got < num_pages) { - rc = get_user_pages_fast( - (unsigned long)data + ((unsigned long)got * PAGE_SIZE), - num_pages - got, write_page ? FOLL_WRITE : 0, pages + got); - if (rc < 0) - break; - BUG_ON(rc == 0); - got += rc; - } - if (rc < 0) - goto fail; - return pages; - -fail: - ceph_put_page_vector(pages, got, false); - return ERR_PTR(rc); -} -EXPORT_SYMBOL(ceph_get_direct_page_vector); - void ceph_put_page_vector(struct page **pages, int num_pages, bool dirty) { int i; |