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([2620:15c:2cd:203:5cdc:422c:7b28:ebb5]) by smtp.gmail.com with ESMTPSA id z186sm10232485pfz.119.2018.11.28.09.06.52 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 28 Nov 2018 09:06:52 -0800 (PST) Message-ID: <1543424811.185366.106.camel@acm.org> Subject: Re: [PATCH] block: add documentation for io_timeout From: Bart Van Assche To: Weiping Zhang , axboe@kernel.dk Cc: linux-block@vger.kernel.org Date: Wed, 28 Nov 2018 09:06:51 -0800 In-Reply-To: <20181128165415.GA38237@192.168.3.9> References: <20181128165415.GA38237@192.168.3.9> Content-Type: text/plain; charset="UTF-7" X-Mailer: Evolution 3.26.2-1 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org On Thu, 2018-11-29 at 00:54 +-0800, Weiping Zhang wrote: +AD4 add documentation for /sys/block/+ADw-disk+AD4-/queue/io+AF8-timeout +AD4 +AD4 Signed-off-by: Weiping Zhang +ADw-zhangweiping+AEA-didiglobal.com+AD4 +AD4 --- +AD4 Documentation/ABI/testing/sysfs-block +AHw 9 +-+-+-+-+-+-+-+-+- +AD4 Documentation/block/queue-sysfs.txt +AHw 6 +-+-+-+-+-+- +AD4 2 files changed, 15 insertions(+-) +AD4 +AD4 diff --git a/Documentation/ABI/testing/sysfs-block b/Documentation/ABI/testing/sysfs-block +AD4 index dea212db9df3..f37c0000ca16 100644 +AD4 --- a/Documentation/ABI/testing/sysfs-block +AD4 +-+-+- b/Documentation/ABI/testing/sysfs-block +AD4 +AEAAQA -271,3 +-271,12 +AEAAQA Description: +AD4 size of 512B sectors of the zones of the device, with +AD4 the eventual exception of the last zone of the device +AD4 which may be smaller. +AD4 +- +AD4 +-What: /sys/block/+ADw-disk+AD4-/queue/io+AF8-timeout +AD4 +-Date: November 2018 +AD4 +-Contact: Weiping Zhang +ADw-zhangweiping+AEA-didiglobal.com+AD4 +AD4 +-Description: +AD4 +- io+AF8-timeout is the timeout in millisecods of a request in +AD4 +- block layer. The block layer will start a timer when low +AD4 +- level device driver start the request, and cancle timer +AD4 +- when request completes. +AD4 diff --git a/Documentation/block/queue-sysfs.txt b/Documentation/block/queue-sysfs.txt +AD4 index 2c1e67058fd3..cbd44fe056fa 100644 +AD4 --- a/Documentation/block/queue-sysfs.txt +AD4 +-+-+- b/Documentation/block/queue-sysfs.txt +AD4 +AEAAQA -67,6 +-67,12 +AEAAQA If set to a value larger than 0, the kernel will put the process issuing +AD4 IO to sleep for this amont of microseconds before entering classic +AD4 polling. +AD4 +AD4 +-io+AF8-timeout (RW) +AD4 +---------------- +AD4 +-This is the timeout in millisecods of a request in block layer. +AD4 +-The block layer will start a timer when low level device driver start +AD4 +-the request, and cancle timer when request completes. +AD4 +- +AD4 iostats (RW) +AD4 ------------- +AD4 This file is used to control (on/off) the iostats accounting of the Please run this patch through a spelling checker. I think +ACI-millisecods+ACI should be changed into +ACI-milliseconds+ACI and also that +ACI-cancle+ACI should be changed into +ACI-cancel+ACI. Thanks, Bart.