From: Christoph Hellwig <hch@infradead.org>
To: Ming Lei <tom.leiming@gmail.com>
Cc: Jens Axboe <axboe@fb.com>,
linux-kernel@vger.kernel.org, linux-block@vger.kernel.org,
Christoph Hellwig <hch@infradead.org>,
Boaz Harrosh <boaz@plexistor.com>,
"Nicholas A. Bellinger" <nab@linux-iscsi.org>,
"open list:TARGET SUBSYSTEM" <linux-scsi@vger.kernel.org>,
"open list:TARGET SUBSYSTEM" <target-devel@vger.kernel.org>
Subject: Re: [PATCH 09/27] target: use bio_is_full()
Date: Tue, 5 Apr 2016 06:02:23 -0700 [thread overview]
Message-ID: <20160405130223.GC32576@infradead.org> (raw)
In-Reply-To: <1459857443-20611-10-git-send-email-tom.leiming@gmail.com>
On Tue, Apr 05, 2016 at 07:56:54PM +0800, Ming Lei wrote:
> +++ b/drivers/target/target_core_pscsi.c
> @@ -951,7 +951,7 @@ pscsi_map_sg(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
> pr_debug("PSCSI: bio->bi_vcnt: %d nr_vecs: %d\n",
> bio->bi_vcnt, nr_vecs);
>
> - if (bio->bi_vcnt > nr_vecs) {
> + if (bio_is_full(bio)) {
> pr_debug("PSCSI: Reached bio->bi_vcnt max:"
> " %d i: %d bio: %p, allocating another"
> " bio\n", bio->bi_vcnt, i, bio);
This check should be removed entirely - bio_add_pc_page takes care of
it.
next prev parent reply other threads:[~2016-04-05 13:02 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-05 11:56 [PATCH 00/27] block: cleanup direct access on .bi_vcnt & .bi_io_vec Ming Lei
2016-04-05 11:56 ` [PATCH 09/27] target: use bio_is_full() Ming Lei
2016-04-05 13:02 ` Christoph Hellwig [this message]
2016-04-07 4:07 ` Ming Lei
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