linux-kernel - Re: [PATCH] ublk: complete command synchronously on error

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Message-Id: <174058032466.2230500.13734000197859662068.b4-ty@kernel.dk>
Date: Wed, 26 Feb 2025 07:32:04 -0700
From: Jens Axboe <axboe@...nel.dk>
To: Keith Busch <kbusch@...nel.org>, Ming Lei <ming.lei@...hat.com>, 
 Caleb Sander Mateos <csander@...estorage.com>
Cc: io-uring@...r.kernel.org, linux-block@...r.kernel.org, 
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ublk: complete command synchronously on error


On Tue, 25 Feb 2025 14:24:55 -0700, Caleb Sander Mateos wrote:
> In case of an error, ublk's ->uring_cmd() functions currently return
> -EIOCBQUEUED and immediately call io_uring_cmd_done(). -EIOCBQUEUED and
> io_uring_cmd_done() are intended for asynchronous completions. For
> synchronous completions, the ->uring_cmd() function can just return the
> negative return code directly. This skips io_uring_cmd_del_cancelable(),
> and deferring the completion to task work. So return the error code
> directly from __ublk_ch_uring_cmd() and ublk_ctrl_uring_cmd().
> 
> [...]

Applied, thanks!

[1/1] ublk: complete command synchronously on error
      commit: 6376ef2b6af3bbcb7c50dc657bdfb83aba467aef

Best regards,
-- 
Jens Axboe