From: Christoph Hellwig <hch@infradead.org>
To: Ming Lei <ming.lei@redhat.com>
Cc: Jens Axboe <axboe@kernel.dk>,
linux-block@vger.kernel.org, io-uring@vger.kernel.org,
Caleb Sander Mateos <csander@purestorage.com>,
huang-jl <huang-jl@deepseek.com>,
Nitesh Shetty <nj.shetty@samsung.com>
Subject: Re: [PATCH 2/3] block: don't initialize bi_vcnt for cloned bio in bio_iov_bvec_set()
Date: Thu, 18 Dec 2025 01:38:55 -0800 [thread overview]
Message-ID: <aUPLr_cUd9nmvoI0@infradead.org> (raw)
In-Reply-To: <20251218093146.1218279-3-ming.lei@redhat.com>
On Thu, Dec 18, 2025 at 05:31:43PM +0800, Ming Lei wrote:
> For a cloned bio, bi_vcnt should not be initialized since the bio_vec
> array is shared and owned by the original bio.
Maybe, maybe not. What is the rational for that "should" ?
next prev parent reply other threads:[~2025-12-18 9:38 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-18 9:31 [PATCH 0/3] block: fix bi_vcnt misuse for cloned bio Ming Lei
2025-12-18 9:31 ` [PATCH 1/3] block: fix bio_may_need_split() by using bvec iterator way Ming Lei
2025-12-18 9:37 ` Christoph Hellwig
2025-12-18 9:45 ` Ming Lei
2025-12-18 15:16 ` Nitesh Shetty
2025-12-18 16:08 ` Ming Lei
2025-12-20 8:16 ` Nitesh Shetty
2025-12-20 8:19 ` Nitesh Shetty
2025-12-18 9:31 ` [PATCH 2/3] block: don't initialize bi_vcnt for cloned bio in bio_iov_bvec_set() Ming Lei
2025-12-18 9:38 ` Christoph Hellwig [this message]
2025-12-18 9:48 ` Ming Lei
2025-12-18 9:31 ` [PATCH 3/3] io_uring: don't re-calculate iov_iter nr_segs in io_import_kbuf() Ming Lei
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