Re: [PATCH 2/3] net/ceph: do not define list_entry_next

From: Ilya Dryomov
Date: Wed Nov 18 2015 - 08:13:36 EST


On Wed, Nov 18, 2015 at 1:13 PM, Sergey Senozhatsky
<sergey.senozhatsky@xxxxxxxxx> wrote:
> Cosmetic.
>
> Do not define list_entry_next() and use list_next_entry()
> from list.h.
>
> Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@xxxxxxxxx>
> ---
> net/ceph/messenger.c | 8 +++-----
> 1 file changed, 3 insertions(+), 5 deletions(-)
>
> diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
> index 9981039..77ccca9 100644
> --- a/net/ceph/messenger.c
> +++ b/net/ceph/messenger.c
> @@ -10,6 +10,7 @@
> #include <linux/slab.h>
> #include <linux/socket.h>
> #include <linux/string.h>
> +#include <linux/list.h>
> #ifdef CONFIG_BLOCK
> #include <linux/bio.h>
> #endif /* CONFIG_BLOCK */
> @@ -23,9 +24,6 @@
> #include <linux/ceph/pagelist.h>
> #include <linux/export.h>
>
> -#define list_entry_next(pos, member) \
> - list_entry(pos->member.next, typeof(*pos), member)
> -
> /*
> * Ceph uses the messenger to exchange ceph_msg messages with other
> * hosts in the system. The messenger provides ordered and reliable
> @@ -1042,7 +1040,7 @@ static bool ceph_msg_data_pagelist_advance(struct ceph_msg_data_cursor *cursor,
> /* Move on to the next page */
>
> BUG_ON(list_is_last(&cursor->page->lru, &pagelist->head));
> - cursor->page = list_entry_next(cursor->page, lru);
> + cursor->page = list_next_entry(cursor->page, lru);
> cursor->last_piece = cursor->resid <= PAGE_SIZE;
>
> return true;
> @@ -1166,7 +1164,7 @@ static bool ceph_msg_data_advance(struct ceph_msg_data_cursor *cursor,
> if (!cursor->resid && cursor->total_resid) {
> WARN_ON(!cursor->last_piece);
> BUG_ON(list_is_last(&cursor->data->links, cursor->data_head));
> - cursor->data = list_entry_next(cursor->data, links);
> + cursor->data = list_next_entry(cursor->data, links);
> __ceph_msg_data_cursor_init(cursor);
> new_piece = true;
> }

Someone beat you to it ;)

https://github.com/ceph/ceph-client/commit/76b4a27faebb369c1c50df01ef08b614a2854fc5

Thanks,

Ilya
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