libceph: Remove unused ceph_pagelist functions

ceph_pagelist_truncate() and ceph_pagelist_set_cursor() have been unused
since commit
39be95e9c8c0 ("ceph: ceph_pagelist_append might sleep while atomic")

Remove them.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>

1 files changed, 0 insertions, 38 deletions

diff --git a/net/ceph/pagelist.c b/net/ceph/pagelist.c
index 74622b278d57..5a9c4be5f222 100644
--- a/net/ceph/pagelist.c
+++ b/net/ceph/pagelist.c
@@ -131,41 +131,3 @@ int ceph_pagelist_free_reserve(struct ceph_pagelist *pl)
 	return 0;
 }
 EXPORT_SYMBOL(ceph_pagelist_free_reserve);
-
-/* Create a truncation point. */
-void ceph_pagelist_set_cursor(struct ceph_pagelist *pl,
-			      struct ceph_pagelist_cursor *c)
-{
-	c->pl = pl;
-	c->page_lru = pl->head.prev;
-	c->room = pl->room;
-}
-EXPORT_SYMBOL(ceph_pagelist_set_cursor);
-
-/* Truncate a pagelist to the given point. Move extra pages to reserve.
- * This won't sleep.
- * Returns: 0 on success,
- *          -EINVAL if the pagelist doesn't match the trunc point pagelist
- */
-int ceph_pagelist_truncate(struct ceph_pagelist *pl,
-			   struct ceph_pagelist_cursor *c)
-{
-	struct page *page;
-
-	if (pl != c->pl)
-		return -EINVAL;
-	ceph_pagelist_unmap_tail(pl);
-	while (pl->head.prev != c->page_lru) {
-		page = list_entry(pl->head.prev, struct page, lru);
-		/* move from pagelist to reserve */
-		list_move_tail(&page->lru, &pl->free_list);
-		++pl->num_pages_free;
-	}
-	pl->room = c->room;
-	if (!list_empty(&pl->head)) {
-		page = list_entry(pl->head.prev, struct page, lru);
-		pl->mapped_tail = kmap(page);
-	}
-	return 0;
-}
-EXPORT_SYMBOL(ceph_pagelist_truncate);