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Sun, 27 Jul 2025 09:47:23 -0700 (PDT) From: Tang Yizhou X-Google-Original-From: Tang Yizhou To: axboe@kernel.dk, hch@lst.de, jack@suse.cz Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, tangyeechou@gmail.com, Tang Yizhou Subject: [PATCH v2 3/3] blk-wbt: doc: Update the doc of the wbt_lat_usec interface Date: Mon, 28 Jul 2025 00:47:09 +0800 Message-Id: <20250727164709.96477-4-yizhou.tang@shopee.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20250727164709.96477-1-yizhou.tang@shopee.com> References: <20250727164709.96477-1-yizhou.tang@shopee.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Tang Yizhou The symbol wb_window_usec cannot be found. Update the doc to reflect the latest implementation, in other words, the cur_win_nsec member of struct rq_wb. Signed-off-by: Tang Yizhou --- Documentation/ABI/stable/sysfs-block | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Documentation/ABI/stable/sysfs-block b/Documentation/ABI/stabl= e/sysfs-block index 4ba771b56b3b..277d89815edd 100644 --- a/Documentation/ABI/stable/sysfs-block +++ b/Documentation/ABI/stable/sysfs-block @@ -731,7 +731,7 @@ Contact: linux-block@vger.kernel.org Description: [RW] If the device is registered for writeback throttling, then this file shows the target minimum read latency. If this latency - is exceeded in a given window of time (see wb_window_usec), then + is exceeded in a given window of time (see cur_win_nsec), then the writeback throttling will start scaling back writes. Writing a value of '0' to this file disables the feature. Writing a value of '-1' to this file resets the value to the default --=20 2.25.1