Thread (44 messages) 44 messages, 3 authors, 2018-12-18

Re: [PATCH 23/26] block: implement bio helper to add iter bvec pages to bio

From: Jens Axboe <axboe@kernel.dk>
Date: 2018-12-16 16:43:14
Also in: linux-fsdevel

On 12/16/18 9:40 AM, Christoph Hellwig wrote:
quoted
+	do {
+		size_t size;
+
+		bv = iter->bvec + iter->iov_offset;
+		size = bio_add_page(bio, bv->bv_page, bv->bv_len, bv->bv_offset);
Overly long line here.
Will fix.
quoted
+		if (size != bv->bv_len)
+			break;
+		iov_iter_advance(iter, size);
+	} while (iov_iter_count(iter) && !bio_full(bio));
bio_add_page already does the bio_full check for you.
get_pages does the same thing, but I guess it makes more sense there since
we'd have to undo if we could not add.

-- 
Jens Axboe
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