From: Christoph Hellwig <hch@lst.de>
To: Keith Busch <kbusch@kernel.org>
Cc: Christoph Hellwig <hch@lst.de>, Sagi Grimberg <sagi@grimberg.me>,
Chaitanya Kulkarni <kch@nvidia.com>,
Kanchan Joshi <joshi.k@samsung.com>,
linux-nvme@lists.infradead.org
Subject: Re: [PATCH 6/7] nvme: also return I/O command effects from nvme_command_effects
Date: Wed, 14 Dec 2022 08:58:03 +0100 [thread overview]
Message-ID: <20221214075803.GA4250@lst.de> (raw)
In-Reply-To: <Y5jQF51E+/vH/5Cv@kbusch-mbp>
On Tue, Dec 13, 2022 at 12:18:47PM -0700, Keith Busch wrote:
> + if (!ctrl->effects) {
> + if (id->lpa & NVME_CTRL_LPA_CMD_EFFECTS_LOG) {
> + ret = nvme_get_effects_log(ctrl, NVME_CSI_NVM,
> + &ctrl->effects);
> + if (ret < 0)
> + goto out_free;
> + } else {
> + ctrl->effects = kzalloc(sizeof(*ctrl->effects),
> + GFP_KERNEL);
> + if (!ctrl->effects) {
> + ret = -ENOMEM;
> + goto out_free;
> + }
> + }
> + nvme_init_known_nvm_effects(ctrl);
I'd probably move this entire block into a helper, but otherwise
this looks reasonable.
next prev parent reply other threads:[~2022-12-14 7:58 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-13 16:24 only allow unprivileged passthrough for commands without effects Christoph Hellwig
2022-12-13 16:24 ` [PATCH 1/7] nvmet: use NVME_CMD_EFFECTS_CSUPP instead of open coding it Christoph Hellwig
2022-12-14 4:46 ` Chaitanya Kulkarni
2022-12-13 16:24 ` [PATCH 2/7] nvmet: set the LBCC bit for commands that modify data Christoph Hellwig
2022-12-14 4:47 ` Chaitanya Kulkarni
2022-12-13 16:24 ` [PATCH 3/7] nvmet: allow async passthrough of commands that change logical block contents Christoph Hellwig
2022-12-14 4:52 ` Chaitanya Kulkarni
2022-12-14 7:59 ` Christoph Hellwig
2022-12-13 16:24 ` [PATCH 4/7] nvme: remove nvme_execute_passthru_rq Christoph Hellwig
2022-12-14 4:54 ` Chaitanya Kulkarni
2022-12-13 16:24 ` [PATCH 5/7] nvme: only return actual effects from nvme_command_effects Christoph Hellwig
2022-12-13 16:24 ` [PATCH 6/7] nvme: also return I/O command " Christoph Hellwig
2022-12-13 17:53 ` Keith Busch
2022-12-13 18:54 ` Christoph Hellwig
2022-12-13 19:18 ` Keith Busch
2022-12-14 7:58 ` Christoph Hellwig [this message]
2022-12-13 16:24 ` [PATCH 7/7] nvme: don't allow unprivileged passthrough of commands that have effects Christoph Hellwig
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