From: Christoph Hellwig <hch@lst.de>
To: Keisuke Nishimura <keisuke.nishimura@inria.fr>
Cc: Keith Busch <kbusch@kernel.org>, Jens Axboe <axboe@kernel.dk>,
Christoph Hellwig <hch@lst.de>, Sagi Grimberg <sagi@grimberg.me>,
linux-nvme@lists.infradead.org
Subject: Re: [PATCH] nvme: Allocate memory for xa_store in advance in nvme_get_effects_log
Date: Thu, 12 Dec 2024 07:27:49 +0100 [thread overview]
Message-ID: <20241212062749.GA5718@lst.de> (raw)
In-Reply-To: <20241202124239.49894-1-keisuke.nishimura@inria.fr>
On Mon, Dec 02, 2024 at 01:42:40PM +0100, Keisuke Nishimura wrote:
> + ret = xa_reserve(&ctrl->cels, csi, GFP_KERNEL);
> + if (ret) {
> + kfree(cel);
> + return ret;
> + }
> +
> ret = nvme_get_log(ctrl, 0x00, NVME_LOG_CMD_EFFECTS, 0, csi,
> cel, sizeof(*cel), 0);
There isn't really any point in doing a xa_reserve here vs simply
handling the xa_store error a bit below.
next prev parent reply other threads:[~2024-12-12 6:28 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-12-02 12:42 [PATCH] nvme: Allocate memory for xa_store in advance in nvme_get_effects_log Keisuke Nishimura
2024-12-12 6:27 ` Christoph Hellwig [this message]
2024-12-16 13:06 ` Keisuke Nishimura
2024-12-16 15:52 ` Christoph Hellwig
2024-12-20 11:50 ` Keisuke Nishimura
2024-12-20 12:00 ` [PATCH] nvme: Add error check for xa_store " Keisuke Nishimura
2024-12-24 10:11 ` Sagi Grimberg
2025-01-03 6:52 ` Christoph Hellwig
2025-01-07 16:48 ` Keith Busch
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