Re: [PATCH 1/3] misc: mic/scif: use list_next_entry instead of list_entry_next

From: Sudeep Dutt
Date: Mon Nov 16 2015 - 12:10:48 EST


On Mon, 2015-11-16 at 21:46 +0800, Geliang Tang wrote:
> list_next_entry has been defined in list.h, so I replace list_entry_next
> with it.
>

Thanks for the cleanup.

Reviewed-by: Sudeep Dutt <sudeep.dutt@xxxxxxxxx>

> Signed-off-by: Geliang Tang <geliangtang@xxxxxxx>
> ---
> drivers/misc/mic/scif/scif_dma.c | 27 +++++++++++----------------
> 1 file changed, 11 insertions(+), 16 deletions(-)
>
> diff --git a/drivers/misc/mic/scif/scif_dma.c b/drivers/misc/mic/scif/scif_dma.c
> index 95a13c6..8804bcc 100644
> --- a/drivers/misc/mic/scif/scif_dma.c
> +++ b/drivers/misc/mic/scif/scif_dma.c
> @@ -74,11 +74,6 @@ struct scif_copy_work {
> bool ordered;
> };
>
> -#ifndef list_entry_next
> -#define list_entry_next(pos, member) \
> - list_entry(pos->member.next, typeof(*pos), member)
> -#endif
> -
> /**
> * scif_reserve_dma_chan:
> * @ep: Endpoint Descriptor.
> @@ -851,7 +846,7 @@ static void scif_rma_local_cpu_copy(s64 offset, struct scif_window *window,
> (window->nr_pages << PAGE_SHIFT);
> while (rem_len) {
> if (offset == end_offset) {
> - window = list_entry_next(window, list);
> + window = list_next_entry(window, list);
> end_offset = window->offset +
> (window->nr_pages << PAGE_SHIFT);
> }
> @@ -957,7 +952,7 @@ scif_rma_list_dma_copy_unaligned(struct scif_copy_work *work,
> remaining_len -= tail_len;
> while (remaining_len) {
> if (offset == end_offset) {
> - window = list_entry_next(window, list);
> + window = list_next_entry(window, list);
> end_offset = window->offset +
> (window->nr_pages << PAGE_SHIFT);
> }
> @@ -1064,7 +1059,7 @@ scif_rma_list_dma_copy_unaligned(struct scif_copy_work *work,
> }
> if (tail_len) {
> if (offset == end_offset) {
> - window = list_entry_next(window, list);
> + window = list_next_entry(window, list);
> end_offset = window->offset +
> (window->nr_pages << PAGE_SHIFT);
> }
> @@ -1147,13 +1142,13 @@ static int _scif_rma_list_dma_copy_aligned(struct scif_copy_work *work,
> (dst_window->nr_pages << PAGE_SHIFT);
> while (remaining_len) {
> if (src_offset == end_src_offset) {
> - src_window = list_entry_next(src_window, list);
> + src_window = list_next_entry(src_window, list);
> end_src_offset = src_window->offset +
> (src_window->nr_pages << PAGE_SHIFT);
> scif_init_window_iter(src_window, &src_win_iter);
> }
> if (dst_offset == end_dst_offset) {
> - dst_window = list_entry_next(dst_window, list);
> + dst_window = list_next_entry(dst_window, list);
> end_dst_offset = dst_window->offset +
> (dst_window->nr_pages << PAGE_SHIFT);
> scif_init_window_iter(dst_window, &dst_win_iter);
> @@ -1314,13 +1309,13 @@ static int scif_rma_list_dma_copy_aligned(struct scif_copy_work *work,
> remaining_len -= tail_len;
> while (remaining_len) {
> if (src_offset == end_src_offset) {
> - src_window = list_entry_next(src_window, list);
> + src_window = list_next_entry(src_window, list);
> end_src_offset = src_window->offset +
> (src_window->nr_pages << PAGE_SHIFT);
> scif_init_window_iter(src_window, &src_win_iter);
> }
> if (dst_offset == end_dst_offset) {
> - dst_window = list_entry_next(dst_window, list);
> + dst_window = list_next_entry(dst_window, list);
> end_dst_offset = dst_window->offset +
> (dst_window->nr_pages << PAGE_SHIFT);
> scif_init_window_iter(dst_window, &dst_win_iter);
> @@ -1405,9 +1400,9 @@ static int scif_rma_list_dma_copy_aligned(struct scif_copy_work *work,
> if (remaining_len) {
> loop_len = remaining_len;
> if (src_offset == end_src_offset)
> - src_window = list_entry_next(src_window, list);
> + src_window = list_next_entry(src_window, list);
> if (dst_offset == end_dst_offset)
> - dst_window = list_entry_next(dst_window, list);
> + dst_window = list_next_entry(dst_window, list);
>
> src_dma_addr = __scif_off_to_dma_addr(src_window, src_offset);
> dst_dma_addr = __scif_off_to_dma_addr(dst_window, dst_offset);
> @@ -1550,12 +1545,12 @@ static int scif_rma_list_cpu_copy(struct scif_copy_work *work)
> end_dst_offset = dst_window->offset +
> (dst_window->nr_pages << PAGE_SHIFT);
> if (src_offset == end_src_offset) {
> - src_window = list_entry_next(src_window, list);
> + src_window = list_next_entry(src_window, list);
> scif_init_window_iter(src_window,
> &src_win_iter);
> }
> if (dst_offset == end_dst_offset) {
> - dst_window = list_entry_next(dst_window, list);
> + dst_window = list_next_entry(dst_window, list);
> scif_init_window_iter(dst_window,
> &dst_win_iter);
> }


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