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From: Xiubo Li <[email protected]>
To: Ilya Dryomov <[email protected]>, Christoph Hellwig <[email protected]>
Cc: Jens Axboe <[email protected]>,
	"Michael S. Tsirkin" <[email protected]>,
	Jason Wang <[email protected]>,
	Minchan Kim <[email protected]>,
	Sergey Senozhatsky <[email protected]>,
	Keith Busch <[email protected]>, Sagi Grimberg <[email protected]>,
	Chaitanya Kulkarni <[email protected]>,
	"Martin K. Petersen" <[email protected]>,
	David Howells <[email protected]>,
	Marc Dionne <[email protected]>,
	Steve French <[email protected]>,
	Trond Myklebust <[email protected]>,
	Anna Schumaker <[email protected]>,
	Mike Marshall <[email protected]>,
	Andrew Morton <[email protected]>,
	"David S. Miller" <[email protected]>,
	Eric Dumazet <[email protected]>,
	Jakub Kicinski <[email protected]>, Paolo Abeni <[email protected]>,
	Chuck Lever <[email protected]>,
	[email protected], [email protected],
	[email protected],
	[email protected], [email protected],
	[email protected], [email protected],
	[email protected], [email protected],
	[email protected], [email protected],
	[email protected], [email protected],
	[email protected], [email protected],
	[email protected]
Subject: Re: [PATCH 12/23] ceph: use bvec_set_page to initialize a bvec
Date: Tue, 31 Jan 2023 09:51:00 +0800	[thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <CAOi1vP_b77Pq=hYmFMi1zGGRMee2uNjbAbHz_gCCoByOdbRqLw@mail.gmail.com>


On 31/01/2023 02:02, Ilya Dryomov wrote:
> On Mon, Jan 30, 2023 at 10:22 AM Christoph Hellwig <[email protected]> wrote:
>> Use the bvec_set_page helper to initialize a bvec.
>>
>> Signed-off-by: Christoph Hellwig <[email protected]>
>> ---
>>   fs/ceph/file.c | 10 +++++-----
>>   1 file changed, 5 insertions(+), 5 deletions(-)
>>
>> diff --git a/fs/ceph/file.c b/fs/ceph/file.c
>> index 764598e1efd91f..6419dce7c57987 100644
>> --- a/fs/ceph/file.c
>> +++ b/fs/ceph/file.c
>> @@ -103,11 +103,11 @@ static ssize_t __iter_get_bvecs(struct iov_iter *iter, size_t maxsize,
>>                  size += bytes;
>>
>>                  for ( ; bytes; idx++, bvec_idx++) {
>> -                       struct bio_vec bv = {
>> -                               .bv_page = pages[idx],
>> -                               .bv_len = min_t(int, bytes, PAGE_SIZE - start),
>> -                               .bv_offset = start,
>> -                       };
>> +                       struct bio_vec bv;
>> +
>> +                       bvec_set_page(&bv, pages[idx],
> Hi Christoph,
>
> There is trailing whitespace on this line which git complains about
> and it made me take a second look.  I think bvec_set_page() allows to
> make this more compact:
>
>          for ( ; bytes; idx++, bvec_idx++) {
>                  int len = min_t(int, bytes, PAGE_SIZE - start);
>
>                  bvec_set_page(&bvecs[bvec_idx], pages[idx], len, start);
>                  bytes -= len;
>                  start = 0;
>          }
>
This looks better.

Thanks


  reply	other threads:[~2023-01-31  1:52 UTC|newest]

Thread overview: 68+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-30  9:21 add bvec initialization helpers Christoph Hellwig
2023-01-30  9:21 ` [PATCH 01/23] block: factor out a bvec_set_page helper Christoph Hellwig
2023-01-30 11:55   ` Johannes Thumshirn
2023-01-30 17:09   ` Bart Van Assche
2023-01-30 19:24     ` Bart Van Assche
2023-01-31 13:45     ` Christoph Hellwig
2023-01-31  4:47   ` Jakub Kicinski
2023-01-31  5:00     ` Matthew Wilcox
2023-01-31  5:28       ` Matthew Wilcox
2023-01-31  5:52         ` Jakub Kicinski
2023-01-31  6:55   ` Chaitanya Kulkarni
2023-01-30  9:21 ` [PATCH 02/23] block: add a bvec_set_folio helper Christoph Hellwig
2023-01-30 11:54   ` Johannes Thumshirn
2023-01-31  6:55   ` Chaitanya Kulkarni
2023-01-30  9:21 ` [PATCH 03/23] block: add a bvec_set_virt helper Christoph Hellwig
2023-01-30 12:08   ` Johannes Thumshirn
2023-01-31  6:55   ` Chaitanya Kulkarni
2023-01-30  9:21 ` [PATCH 04/23] sd: factor out a sd_set_special_bvec helper Christoph Hellwig
2023-01-31  6:56   ` Chaitanya Kulkarni
2023-01-30  9:21 ` [PATCH 05/23] target: use bvec_set_page to initialize bvecs Christoph Hellwig
2023-01-31  6:56   ` Chaitanya Kulkarni
2023-01-30  9:21 ` [PATCH 06/23] nvmet: " Christoph Hellwig
2023-01-30 12:07   ` Johannes Thumshirn
2023-01-31  6:57   ` Chaitanya Kulkarni
2023-01-30  9:21 ` [PATCH 07/23] nvme: use bvec_set_virt to initialize special_vec Christoph Hellwig
2023-01-30 12:09   ` Johannes Thumshirn
2023-01-31  6:58   ` Chaitanya Kulkarni
2023-01-30  9:21 ` [PATCH 08/23] rbd: use bvec_set_page to initialize the copy up bvec Christoph Hellwig
2023-01-30 17:47   ` Ilya Dryomov
2023-01-30  9:21 ` [PATCH 09/23] virtio_blk: use bvec_set_virt to initialize special_vec Christoph Hellwig
2023-01-30 15:17   ` Michael S. Tsirkin
2023-01-31  3:22     ` Jason Wang
2023-01-31  6:57   ` Chaitanya Kulkarni
2023-01-30  9:21 ` [PATCH 10/23] zram: use bvec_set_page to initialize bvecs Christoph Hellwig
2023-01-30 13:31   ` Johannes Thumshirn
2023-01-31  2:34   ` Sergey Senozhatsky
2023-01-30  9:21 ` [PATCH 11/23] afs: use bvec_set_folio to initialize a bvec Christoph Hellwig
2023-01-30  9:21 ` [PATCH 12/23] ceph: use bvec_set_page " Christoph Hellwig
2023-01-30 18:02   ` Ilya Dryomov
2023-01-31  1:51     ` Xiubo Li [this message]
2023-01-30  9:21 ` [PATCH 13/23] cifs: use bvec_set_page to initialize bvecs Christoph Hellwig
2023-01-30 15:56   ` Paulo Alcantara
2023-01-30  9:21 ` [PATCH 14/23] coredump: use bvec_set_page to initialize a bvec Christoph Hellwig
2023-01-30  9:21 ` [PATCH 15/23] nfs: use bvec_set_page to initialize bvecs Christoph Hellwig
2023-01-30  9:21 ` [PATCH 16/23] orangefs: use bvec_set_{page,folio} " Christoph Hellwig
2023-01-30  9:21 ` [PATCH 17/23] splice: use bvec_set_page to initialize a bvec Christoph Hellwig
2023-01-30  9:21 ` [PATCH 18/23] io_uring: " Christoph Hellwig
2023-01-31  6:59   ` Chaitanya Kulkarni
2023-01-30  9:21 ` [PATCH 19/23] swap: use bvec_set_page to initialize bvecs Christoph Hellwig
2023-01-30  9:21 ` [PATCH 20/23] rxrpc: use bvec_set_page to initialize a bvec Christoph Hellwig
2023-01-30  9:21 ` [PATCH 21/23] sunrpc: use bvec_set_page to initialize bvecs Christoph Hellwig
2023-01-30 15:38   ` Chuck Lever III
2023-01-30  9:21 ` [PATCH 22/23] vring: use bvec_set_page to initialize a bvec Christoph Hellwig
2023-01-30 15:19   ` Michael S. Tsirkin
2023-01-31  2:31   ` Jason Wang
2023-01-30  9:21 ` [PATCH 23/23] net-ceph: use bvec_set_page to initialize bvecs Christoph Hellwig
2023-01-30 18:20   ` Ilya Dryomov
2023-01-30 10:31 ` [PATCH 20/23] rxrpc: use bvec_set_page to initialize a bvec David Howells
2023-01-30 10:33   ` Christoph Hellwig
2023-01-30 11:24   ` David Howells
2023-01-30 12:18     ` Christoph Hellwig
2023-01-30 10:33 ` [PATCH 01/23] block: factor out a bvec_set_page helper David Howells
2023-01-30 10:36   ` Christoph Hellwig
2023-01-30 18:35     ` Ilya Dryomov
2023-01-30 15:58 ` [PATCH 20/23] rxrpc: use bvec_set_page to initialize a bvec David Howells
2023-01-30 15:59 ` [PATCH 11/23] afs: use bvec_set_folio " David Howells
  -- strict thread matches above, loose matches on Subject: below --
2023-02-03 15:06 add bvec initialization helpers v2 Christoph Hellwig
2023-02-03 15:06 ` [PATCH 12/23] ceph: use bvec_set_page to initialize a bvec Christoph Hellwig
2023-02-03 17:14   ` Ilya Dryomov

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