public inbox for [email protected]
 help / color / mirror / Atom feed
From: Christoph Hellwig <[email protected]>
To: Jens Axboe <[email protected]>
Cc: Ilya Dryomov <[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]>,
	Xiubo Li <[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],
	Johannes Thumshirn <[email protected]>
Subject: [PATCH 03/23] block: add a bvec_set_virt helper
Date: Fri,  3 Feb 2023 16:06:14 +0100	[thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>

A small wrapper around bvec_set_page for callers that have a virtual
address.

Signed-off-by: Christoph Hellwig <[email protected]>
Reviewed-by: Chaitanya Kulkarni <[email protected]>
Reviewed-by: Johannes Thumshirn <[email protected]>
---
 include/linux/bvec.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/include/linux/bvec.h b/include/linux/bvec.h
index 2bae1134499e7f..f2d22931f3030a 100644
--- a/include/linux/bvec.h
+++ b/include/linux/bvec.h
@@ -63,6 +63,18 @@ static inline void bvec_set_folio(struct bio_vec *bv, struct folio *folio,
 	bvec_set_page(bv, &folio->page, len, offset);
 }
 
+/**
+ * bvec_set_virt - initialize a bvec based on a virtual address
+ * @bv:		bvec to initialize
+ * @vaddr:	virtual address to set the bvec to
+ * @len:	length of the bvec
+ */
+static inline void bvec_set_virt(struct bio_vec *bv, void *vaddr,
+		unsigned int len)
+{
+	bvec_set_page(bv, virt_to_page(vaddr), len, offset_in_page(vaddr));
+}
+
 struct bvec_iter {
 	sector_t		bi_sector;	/* device address in 512 byte
 						   sectors */
-- 
2.39.0


  parent reply	other threads:[~2023-02-03 15:07 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-02-03 15:06 add bvec initialization helpers v2 Christoph Hellwig
2023-02-03 15:06 ` [PATCH 01/23] block: factor out a bvec_set_page helper Christoph Hellwig
2023-02-03 15:06 ` [PATCH 02/23] block: add a bvec_set_folio helper Christoph Hellwig
2023-02-03 15:06 ` Christoph Hellwig [this message]
2023-02-03 15:06 ` [PATCH 04/23] sd: factor out a sd_set_special_bvec helper Christoph Hellwig
2023-02-03 15:06 ` [PATCH 05/23] target: use bvec_set_page to initialize bvecs Christoph Hellwig
2023-02-03 15:06 ` [PATCH 06/23] nvmet: " Christoph Hellwig
2023-02-03 15:06 ` [PATCH 07/23] nvme: use bvec_set_virt to initialize special_vec Christoph Hellwig
2023-02-03 15:06 ` [PATCH 08/23] rbd: use bvec_set_page to initialize the copy up bvec Christoph Hellwig
2023-02-03 15:06 ` [PATCH 09/23] virtio_blk: use bvec_set_virt to initialize special_vec Christoph Hellwig
2023-02-03 15:06 ` [PATCH 10/23] zram: use bvec_set_page to initialize bvecs Christoph Hellwig
2023-02-03 15:06 ` [PATCH 11/23] afs: use bvec_set_folio to initialize a bvec Christoph Hellwig
2023-02-03 15:06 ` [PATCH 12/23] ceph: use bvec_set_page " Christoph Hellwig
2023-02-03 17:14   ` Ilya Dryomov
2023-02-03 15:06 ` [PATCH 13/23] cifs: use bvec_set_page to initialize bvecs Christoph Hellwig
2023-02-03 15:06 ` [PATCH 14/23] coredump: use bvec_set_page to initialize a bvec Christoph Hellwig
2023-02-03 15:06 ` [PATCH 15/23] nfs: use bvec_set_page to initialize bvecs Christoph Hellwig
2023-02-03 15:06 ` [PATCH 16/23] orangefs: use bvec_set_{page,folio} " Christoph Hellwig
2023-02-03 15:06 ` [PATCH 17/23] splice: use bvec_set_page to initialize a bvec Christoph Hellwig
2023-02-03 15:06 ` [PATCH 18/23] io_uring: " Christoph Hellwig
2023-02-03 15:06 ` [PATCH 19/23] swap: use bvec_set_page to initialize bvecs Christoph Hellwig
2023-02-03 15:06 ` [PATCH 20/23] rxrpc: use bvec_set_page to initialize a bvec Christoph Hellwig
2023-02-03 15:06 ` [PATCH 21/23] sunrpc: use bvec_set_page to initialize bvecs Christoph Hellwig
2023-02-03 15:06 ` [PATCH 22/23] vringh: use bvec_set_page to initialize a bvec Christoph Hellwig
2023-02-03 15:06 ` [PATCH 23/23] libceph: use bvec_set_page to initialize bvecs Christoph Hellwig
2023-02-03 17:18 ` add bvec initialization helpers v2 Jens Axboe
  -- strict thread matches above, loose matches on Subject: below --
2023-01-30  9:21 add bvec initialization helpers Christoph Hellwig
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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    [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] \
    [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] \
    [email protected] \
    [email protected] \
    [email protected] \
    [email protected] \
    [email protected] \
    [email protected] \
    [email protected] \
    [email protected] \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox