From: Christoph Hellwig <hch@lst.de> To: Jens Axboe <axboe@kernel.dk> Cc: Ilya Dryomov <idryomov@gmail.com>, "Michael S. Tsirkin" <mst@redhat.com>, Jason Wang <jasowang@redhat.com>, Minchan Kim <minchan@kernel.org>, Sergey Senozhatsky <senozhatsky@chromium.org>, Keith Busch <kbusch@kernel.org>, Sagi Grimberg <sagi@grimberg.me>, Chaitanya Kulkarni <kch@nvidia.com>, "Martin K. Petersen" <martin.petersen@oracle.com>, David Howells <dhowells@redhat.com>, Marc Dionne <marc.dionne@auristor.com>, Xiubo Li <xiubli@redhat.com>, Steve French <sfrench@samba.org>, Trond Myklebust <trond.myklebust@hammerspace.com>, Anna Schumaker <anna@kernel.org>, Mike Marshall <hubcap@omnibond.com>, Andrew Morton <akpm@linux-foundation.org>, "David S. Miller" <davem@davemloft.net>, Eric Dumazet <edumazet@google.com>, Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>, Chuck Lever <chuck.lever@oracle.com>, linux-block@vger.kernel.org, ceph-devel@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-nvme@lists.infradead.org, linux-scsi@vger.kernel.org, target-devel@vger.kernel.org, kvm@vger.kernel.org, netdev@vger.kernel.org, linux-afs@lists.infradead.org, linux-cifs@vger.kernel.org, samba-technical@lists.samba.org, linux-fsdevel@vger.kernel.org, linux-nfs@vger.kernel.org, devel@lists.orangefs.org, io-uring@vger.kernel.org, linux-mm@kvack.org, Johannes Thumshirn <johannes.thumshirn@wdc.com> Subject: [PATCH 03/23] block: add a bvec_set_virt helper Date: Fri, 3 Feb 2023 16:06:14 +0100 [thread overview] Message-ID: <20230203150634.3199647-4-hch@lst.de> (raw) In-Reply-To: <20230203150634.3199647-1-hch@lst.de> A small wrapper around bvec_set_page for callers that have a virtual address. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com> Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> --- 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
WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de> To: Jens Axboe <axboe@kernel.dk> Cc: kvm@vger.kernel.org, "Michael S. Tsirkin" <mst@redhat.com>, linux-nvme@lists.infradead.org, virtualization@lists.linux-foundation.org, David Howells <dhowells@redhat.com>, linux-mm@kvack.org, Eric Dumazet <edumazet@google.com>, target-devel@vger.kernel.org, Marc Dionne <marc.dionne@auristor.com>, linux-afs@lists.infradead.org, Mike Marshall <hubcap@omnibond.com>, linux-cifs@vger.kernel.org, Sagi Grimberg <sagi@grimberg.me>, linux-scsi@vger.kernel.org, Minchan Kim <minchan@kernel.org>, io-uring@vger.kernel.org, Jakub Kicinski <kuba@kernel.org>, Ilya Dryomov <idryomov@gmail.com>, Paolo Abeni <pabeni@redhat.com>, devel@lists.orangefs.org, linux-block@vger.kernel.org, Keith Busch <kbusch@kernel.org>, ceph-devel@vger.kernel.org, Xiubo Li <xiubli@redhat.com>, Trond Myklebust <trond.myklebust@hammerspace.com>, linux-nfs@vger.kernel.org, "Martin K. Petersen" <martin.petersen@oracle.com>, netdev@vger.kernel.org, samba-technical@lists.samba.org, Steve French <sfrench@samba.org>, Sergey Senozhatsky <senozhatsky@chromium.org>, Chuck Lever <chuck.lever@oracle.com>, Anna Schumaker <anna@kernel.org>, Johannes Thumshirn <johannes.thumshirn@wdc.com>, linux-fsdevel@vger.kernel.org, Andrew Morton <akpm@linux-foundation.org>, "David S. Miller" <davem@davemloft.net> Subject: [PATCH 03/23] block: add a bvec_set_virt helper Date: Fri, 3 Feb 2023 16:06:14 +0100 [thread overview] Message-ID: <20230203150634.3199647-4-hch@lst.de> (raw) In-Reply-To: <20230203150634.3199647-1-hch@lst.de> A small wrapper around bvec_set_page for callers that have a virtual address. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com> Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> --- 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 _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization
next prev parent reply other threads:[~2023-02-03 15:07 UTC|newest] Thread overview: 55+ 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 ` 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 ` 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 2023-02-03 15:06 ` Christoph Hellwig [this message] 2023-02-03 15:06 ` [PATCH 03/23] block: add a bvec_set_virt helper Christoph Hellwig 2023-02-03 15:06 ` [PATCH 04/23] sd: factor out a sd_set_special_bvec helper Christoph Hellwig 2023-02-03 15:06 ` 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 ` Christoph Hellwig 2023-02-03 15:06 ` [PATCH 06/23] nvmet: " Christoph Hellwig 2023-02-03 15:06 ` 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 ` 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 ` 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 ` 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 ` 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 ` Christoph Hellwig 2023-02-03 15:06 ` [PATCH 12/23] ceph: use bvec_set_page " Christoph Hellwig 2023-02-03 15:06 ` 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 ` 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 ` 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 ` Christoph Hellwig 2023-02-03 15:06 ` [PATCH 16/23] orangefs: use bvec_set_{page,folio} " 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 ` Christoph Hellwig 2023-02-03 15:06 ` [PATCH 18/23] io_uring: " Christoph Hellwig 2023-02-03 15:06 ` 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 ` 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 ` 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 ` 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 ` Christoph Hellwig 2023-02-03 15:06 ` [PATCH 23/23] libceph: use bvec_set_page to initialize bvecs Christoph Hellwig 2023-02-03 15:06 ` Christoph Hellwig 2023-02-03 17:18 ` add bvec initialization helpers v2 Jens Axboe 2023-02-03 17:18 ` 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 9:21 ` Christoph Hellwig 2023-01-30 12:08 ` Johannes Thumshirn 2023-01-31 6:55 ` Chaitanya Kulkarni
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