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From: Roman Penyaev <rpenyaev@suse.de>
Cc: Ilya Dryomov <idryomov@gmail.com>,
	Jeff Layton <jlayton@kernel.org>,
	ceph-devel@vger.kernel.org, Roman Penyaev <rpenyaev@suse.de>
Subject: [PATCH 01/16] libceph: remove unused ceph_pagelist_cursor
Date: Tue, 21 Apr 2020 15:18:35 +0200	[thread overview]
Message-ID: <20200421131850.443228-2-rpenyaev@suse.de> (raw)
In-Reply-To: <20200421131850.443228-1-rpenyaev@suse.de>

Signed-off-by: Roman Penyaev <rpenyaev@suse.de>
---
 include/linux/ceph/pagelist.h | 12 -----------
 net/ceph/pagelist.c           | 38 -----------------------------------
 2 files changed, 50 deletions(-)

diff --git a/include/linux/ceph/pagelist.h b/include/linux/ceph/pagelist.h
index 5dead8486fd8..879bec0863aa 100644
--- a/include/linux/ceph/pagelist.h
+++ b/include/linux/ceph/pagelist.h
@@ -17,12 +17,6 @@ struct ceph_pagelist {
 	refcount_t refcnt;
 };
 
-struct ceph_pagelist_cursor {
-	struct ceph_pagelist *pl;   /* pagelist, for error checking */
-	struct list_head *page_lru; /* page in list */
-	size_t room;		    /* room remaining to reset to */
-};
-
 struct ceph_pagelist *ceph_pagelist_alloc(gfp_t gfp_flags);
 
 extern void ceph_pagelist_release(struct ceph_pagelist *pl);
@@ -33,12 +27,6 @@ extern int ceph_pagelist_reserve(struct ceph_pagelist *pl, size_t space);
 
 extern int ceph_pagelist_free_reserve(struct ceph_pagelist *pl);
 
-extern void ceph_pagelist_set_cursor(struct ceph_pagelist *pl,
-				     struct ceph_pagelist_cursor *c);
-
-extern int ceph_pagelist_truncate(struct ceph_pagelist *pl,
-				  struct ceph_pagelist_cursor *c);
-
 static inline int ceph_pagelist_encode_64(struct ceph_pagelist *pl, u64 v)
 {
 	__le64 ev = cpu_to_le64(v);
diff --git a/net/ceph/pagelist.c b/net/ceph/pagelist.c
index 65e34f78b05d..87074a74d35f 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);
-- 
2.24.1

  reply	other threads:[~2020-04-21 13:18 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-21 13:18 [PATCH 00/16] libceph: messenger: send/recv data at one go Roman Penyaev
2020-04-21 13:18 ` Roman Penyaev [this message]
2020-04-21 13:18 ` [PATCH 02/16] libceph: extend ceph_msg_data API in order to switch on it Roman Penyaev
2020-04-21 13:18 ` [PATCH 03/16] libceph,rbd,cephfs: switch from ceph_osd_data to ceph_msg_data Roman Penyaev
2020-04-21 13:18 ` [PATCH 04/16] libceph: remove ceph_osd_data completely Roman Penyaev
2020-04-21 13:18 ` [PATCH 05/16] libceph: remove unused last_piece out parameter from ceph_msg_data_next() Roman Penyaev
2020-04-21 13:18 ` [PATCH 06/16] libceph: switch data cursor from page to iov_iter for messenger Roman Penyaev
2020-04-21 13:18 ` [PATCH 07/16] libceph: use new tcp_sendiov() instead of tcp_sendmsg() " Roman Penyaev
2020-04-21 13:18 ` [PATCH 08/16] libceph: remove unused tcp wrappers, now iov_iter is used " Roman Penyaev
2020-04-21 13:18 ` [PATCH 09/16] libceph: no need for cursor->need_crc " Roman Penyaev
2020-04-21 13:18 ` [PATCH 10/16] libceph: remove ->last_piece member for message data cursor Roman Penyaev
2020-04-21 13:18 ` [PATCH 11/16] libceph: remove not necessary checks on doing advance on bio and bvecs cursor Roman Penyaev
2020-04-21 13:18 ` [PATCH 12/16] libceph: switch bvecs cursor to iov_iter for messenger Roman Penyaev
2020-04-21 13:18 ` [PATCH 13/16] libceph: switch bio " Roman Penyaev
2020-04-21 13:18 ` [PATCH 14/16] libceph: switch pages " Roman Penyaev
2020-04-21 13:18 ` [PATCH 15/16] libceph: switch pageslist " Roman Penyaev
2020-04-21 13:18 ` [PATCH 16/16] libceph: remove ceph_msg_data_*_next() from messenger Roman Penyaev
2020-04-21 15:51 ` [PATCH 00/16] libceph: messenger: send/recv data at one go Ilya Dryomov
2020-04-21 16:28   ` Roman Penyaev

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